936 results on '"Nicholls, James A."'
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2. Cooling low-dimensional electron systems into the microkelvin regime
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Levitin, Lev V., van der Vliet, Harriet, Theisen, Terje, Dimitriadis, Stefanos, Lucas, Marijn, Corcoles, Antonio D., Nyéki, Ján, Casey, Andrew J., Creeth, Graham, Farrer, Ian, Ritchie, David A., Nicholls, James T., and Saunders, John
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Condensed Matter - Mesoscale and Nanoscale Physics ,Condensed Matter - Strongly Correlated Electrons - Abstract
Two-dimensional electron gases (2DEGs) with high mobility, engineered in semiconductor heterostructures host a variety of ordered phases arising from strong correlations, which emerge at sufficiently low temperatures. The 2DEG can be further controlled by surface gates to create quasi-one dimensional systems, with potential spintronic applications. Here we address the long-standing challenge of cooling such electrons to below 1$\,$mK, potentially important for identification of topological phases and spin correlated states. The 2DEG device was immersed in liquid $^3$He, cooled by the nuclear adiabatic demagnetization of copper. The temperature of the 2D electrons was inferred from the electronic noise in a gold wire, connected to the 2DEG by a metallic ohmic contact. With effective screening and filtering, we demonstrate a temperature of 0.9$\,\pm\,$0.1$\,$mK, with scope for significant further improvement. This platform is a key technological step, paving the way to observing new quantum phenomena, and developing new generations of nanoelectronic devices exploiting correlated electron states., Comment: 9 pages, 5 figures plus 5 pages of supplementary information
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- 2021
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3. Evolution across the adaptive landscape in a hyperdiverse beetle radiation
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Li, Yun, Moritz, Craig, Brennan, Ian G., Zwick, Andreas, Nicholls, James, Grealy, Alicia, and Slipinski, Adam
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- 2024
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4. Molecular characterisation of Australasian Ixodiphagus (Hymenoptera; Encyrtidae; Encyrtinae) reveals unexpected diversity and a potential novel host switch
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Giannotta, Madalene M., Smith, Ina, Michie, Michelle, Blasdell, Kim, Dunn, Mike, Nicholls, James, Heath, Allen C.G., Rodriguez, Juanita, and Gofton, Alexander W.
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- 2024
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5. Phylogeny and biogeography of Ceiba Mill. (Malvaceae, Bombacoideae)
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Pezzini, Flávia Fonseca, Dexter, Kyle G., de Carvalho-Sobrinho, Jefferson G., Kidner, Catherine A., Nicholls, James A., de Queiroz, Luciano P., and Pennington, R. Toby
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Caatinga ,multiple accessions ,Neotropics ,radiation ,rain forests ,seasonally dry tropical forests ,species monophyly - Abstract
The Neotropics is the most species-rich area in the world, and the mechanisms that generated and maintain its biodiversity are still debated. This paper contributes to the debate by investigating the evolutionary and biogeographic history of the genus Ceiba Mill. (Malvaceae, Bombacoideae). Ceiba comprises 18 mostly Neotropical species, largely endemic to two major biomes, seasonally dry tropical forests (SDTFs) and rain forests. Its species are among the most characteristic elements of Neotropical SDTF, one of the most threatened biomes in the tropics. Phylogenetic analyses of DNA sequence data (from the nuclear ribosomal internal transcribed spacers [nrITS] for 30 accessions representing 14 species of Ceiba) recovered the genus as monophyletic. The phylogeny showed geographic and ecological structure in three main clades: (i) a rain forest lineage of nine accessions of C. pentandra sister to the remaining species; (ii) a highly supported clade composed of C. schottii and C. aesculifolia from Central American and Mexican SDTF, plus two accessions of C. samauma from semi-humid, inter Andean valleys in Peru; and (iii) a highly supported South American SDTF clade including 10 species showing little sequence variation. Within this South American SDTF clade, no species represented by multiple accessions were resolved as monophyletic. We demonstrate that the patterns of species age, monophyly, and geographic structure previously reported for SDTF species within the Leguminosae family are not shared by Ceiba, suggesting that further phylogenetic studies of unrelated groups are required to understand general patterns.
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- 2021
6. Impacts of Plant Defenses on Host Choice by Lepidoptera in Neotropical Rainforests
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Endara, María-José, Forrister, Dale, Nicholls, James, Stone, Graham N., Kursar, Thomas, Coley, Phyllis, Marquis, Robert J., editor, and Koptur, Suzanne, editor
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- 2022
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7. Effects of media representations of drug related deaths on public stigma and support for harm reduction
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Sumnall, Harry R., Atkinson, Amanda, Montgomery, Catharine, Maynard, Olivia, and Nicholls, James
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- 2023
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8. ‘Why would we not want to keep everybody safe?’ The views of family members of people who use drugs on the implementation of drug consumption rooms in Scotland
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Parkes, Tessa, Price, Tracey, Foster, Rebecca, Trayner, Kirsten M. A., Sumnall, Harry R., Livingston, Wulf, Perkins, Andy, Cairns, Beth, Dumbrell, Josh, and Nicholls, James
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- 2022
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9. Cooling low-dimensional electron systems into the microkelvin regime
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Levitin, Lev V., van der Vliet, Harriet, Theisen, Terje, Dimitriadis, Stefanos, Lucas, Marijn, Corcoles, Antonio D., Nyéki, Ján, Casey, Andrew J., Creeth, Graham, Farrer, Ian, Ritchie, David A., Nicholls, James T., and Saunders, John
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- 2022
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10. Liberal moralities and drug policy reform.
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Nicholls, James
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PHARMACEUTICAL policy , *SOCIAL contract , *DECRIMINALIZATION , *STRATEGIC planning , *LIBERALISM - Abstract
AbstractBackgroundMethodsResultsConclusionWhile debates on drug policy express a range of ethical viewpoints, many are underpinned by core ideas drawn from liberal philosophy. Much recent analysis on the moral principles underpinning drug policy debates focuses on differences between reformers and supporters of the status quo. Less attention has been given to divergences among advocates for drug policy reform, which often hinge on the interpretation and application of liberal principles.This paper examines three concepts from liberal philosophy in relation to drug policy debates: ‘positive’ and ‘negative’ freedom, rational autonomy, and social contract. The articulation of these ideas, and the extent to which they underpin different positions on policy reform, is explored with reference to three areas of advocacy: legal regulation; decriminalization; and harm reduction.Agreement on drug policy reforms does not necessarily imply shared views regarding concepts of freedom, rational autonomy, or social contract. Specific policy solutions may be supported by a range of ethical and political positions and can serve as points where divergent, and sometimes conflicting, philosophical perspectives converge.Drug policy advocacy expresses a range of underpinning moral, political, and philosophical perspectives. Recognizing commonalities and differences among these perspectives is important for coalition-building and strategic planning. [ABSTRACT FROM AUTHOR]
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- 2024
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11. Network structure and taxonomic composition of tritrophic communities of Fagaceae, cynipid gallwasps and parasitoids in Sichuan, China.
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Fang, Zhiqiang, Tang, Chang‐Ti, Sinclair, Frazer, Csóka, György, Hearn, Jack, McCormack, Koorosh, Melika, George, Mikolajczak, Katarzyna M., Nicholls, James A., Nieves‐Aldrey, José‐Luis, Notton, David G., Radosevic, Sara, Bailey, Richard I., Reiss, Alexander, Zhang, Yuanmeng M., Zhu, Ying, Fang, Shengguo, Schönrogge, Karsten, and Stone, Graham N.
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HOST plants ,BIOTIC communities ,INSECT communities ,INSECT ecology ,PLANT classification - Abstract
Copyright of Insect Conservation & Diversity is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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12. Phylogenomic analysis of protein-coding genes resolves complex gall wasp relationships
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Hearn, Jack, Gobbo, Erik, Nieves-Aldrey, José Luis, Branca, Antoine, Nicholls, James A., Koutsovoulos, Georgios, Lartillot, Nicolas, Stone, Graham N., Ronquist, Fredrik, Hearn, Jack, Gobbo, Erik, Nieves-Aldrey, José Luis, Branca, Antoine, Nicholls, James A., Koutsovoulos, Georgios, Lartillot, Nicolas, Stone, Graham N., and Ronquist, Fredrik
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Gall wasps (Hymenoptera: Cynipidae) comprise 13 distinct tribes whose interrelationships remain incompletely understood. Recent analyses of ultra-conserved elements (UCEs) represent the first attempt at resolving these relationships using phylogenomics. Here, we present the first analysis based on protein-coding sequences from genome and transcriptome assemblies. Unlike UCEs, these data allow more sophisticated substitution models, which can potentially resolve issues with long-branch attraction. We include data for 37 cynipoid species, including two tribes missing in the UCE analysis: Aylacini (s. str.) and Qwaqwaiini. Our results confirm the UCE result that Cynipidae are not monophyletic. Specifically, the Paraulacini and Diplolepidini + Pediaspidini fall outside a core clade (Cynipidae s. str.), which is more closely related to the insect-parasitic Figitidae, and this result is robust to the exclusion of long-branch taxa that could mislead the analysis. Given this, we here divide the Cynipidae into three families: the Paraulacidae stat. prom., Diplolepididae stat. prom. and Cynipidae (s. str.). Our results suggest that the Eschatocerini are the sister group of the remaining Cynipidae (s. str.). Within the Cynipidae (s. str.), the Aylacini (s. str.) are more closely related to oak gall wasps (Cynipini) and some of their inquilines (Ceroptresini) than to other herb gallers (Aulacideini and Phanacidini), and the Qwaqwaiini likely form a clade together with Synergini (s. str.) and Rhoophilini. Several alternative scenarios for the evolution of cynipid life histories are compatible with the relationships suggested by our analysis, but all are complex and require multiple shifts among parasitoids, inquilines and gall inducers.
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- 2024
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13. Plastid phylogenomics reveals evolutionary relationships in the mycoheterotrophic orchid genus Dipodium and provides insights into plastid gene degeneration.
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Goedderz, Stephanie, Clements, Mark A., Bent, Stephen J., Nicholls, James A., Patel, Vidushi S., Crayn, Darren M., Schlüter, Philipp M., and Nargar, Katharina
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NADH dehydrogenase ,PHYLOGEOGRAPHY ,SPECIES diversity ,ORCHIDS ,GENES ,OLIGOCENE Epoch - Abstract
The orchid genus Dipodium R.Br. (Epidendroideae) comprises leafy autotrophic and leafless mycoheterotrophic species, with the latter confined to sect. Dipodium. This study examined plastome degeneration in Dipodium in a phylogenomic and temporal context. Whole plastomes were reconstructed and annotated for 24 Dipodium samples representing 14 species and two putatively new species, encompassing over 80% of species diversity in sect. Dipodium. Phylogenomic analysis based on 68 plastid loci including a broad outgroup sampling across Orchidaceae found that sect. Leopardanthus is the sister lineage to sect. Dipodium. Dipodium ensifolium, the only leafy autotrophic species in sect. Dipodium, was found to be a sister to all leafless, mycoheterotrophic species, supporting a single evolutionary origin of mycoheterotrophy in the genus. Divergence-time estimations found that Dipodium arose ca. 33.3 Ma near the lower boundary of the Oligocene and that crown diversification commenced in the late Miocene, ca. 11.3 Ma. Mycoheterotrophy in the genus was estimated to have evolved in the late Miocene, ca. 7.3 Ma, in sect. Dipodium. The comparative assessment of plastome structure and gene degradation in Dipodium revealed that plastid ndh genes were pseudogenised or physically lost in all Dipodium species, including in leafy autotrophic species of both Dipodium sections. Levels of plastid ndh gene degradation were found to vary among species as well as within species, providing evidence of relaxed selection for retention of the NADH dehydrogenase complex within the genus. Dipodium exhibits an early stage of plastid genome degradation, as all species were found to have retained a full set of functional photosynthesis-related genes and housekeeping genes. This study provides important insights into plastid genome degradation along the transition from autotrophy to mycoheterotrophy in a phylogenomic and temporal context. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Life cycle closure of Cerroneuroterus minutulus (Giraud, 1859) with C. aggregatus (Wachtl, 1880) (Hymenoptera: Cynipidae: Cynipini): experimental, taxonomic and molecular approaches
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SOTTILE, SALVATORE, primary, NICHOLLS, JAMES A., additional, and CERASA, GIULIANO, additional
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- 2024
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15. Plastid phylogenomics reveals evolutionary relationships in the mycoheterotrophic orchid genusDipodiumand provides insights into plastid gene degeneration
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Goedderz, Stephanie, primary, Clements, Mark A., additional, Bent, Stephen J., additional, Nicholls, James A., additional, Patel, Vidushi S., additional, Crayn, Darren M., additional, Schlueter, Philipp M., additional, and Nargar, Katharina, additional
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- 2024
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16. Factors influencing public health engagement in alcohol licensing in England and Scotland including legal and structural differences: comparative interview analysis
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Fitzgerald, Niamh, primary, Mohan, Andrea, additional, Purves, Richard, additional, O’Donnell, Rachel, additional, Egan, Matt, additional, Nicholls, James, additional, Maani, Nason, additional, Smolar, Maria, additional, Fraser, Andrew, additional, Briton, Tim, additional, and Mahon, Laura, additional
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- 2024
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17. Public health engagement in alcohol licensing in England and Scotland: the ExILEnS mixed-method, natural experiment evaluation
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Fitzgerald, Niamh, primary, Egan, Matt, additional, O’Donnell, Rachel, additional, Nicholls, James, additional, Mahon, Laura, additional, de Vocht, Frank, additional, McQuire, Cheryl, additional, Angus, Colin, additional, Purves, Richard, additional, Henney, Madeleine, additional, Mohan, Andrea, additional, Maani, Nason, additional, Shortt, Niamh, additional, and Bauld, Linda, additional
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- 2024
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18. Genetic data confirm the presence of Senecio madagascariensis in New Zealand.
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Schmidt-Lebuhn, Alexander N., Egli, Daniella, Grealy, Alicia, Nicholls, James A., Zwick, Andreas, Dymock, Jenny J., and Gooden, Ben
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SENECIO ,ACCESS to information - Abstract
The Senecio inaequidens – S. madagascariensis complex (Asteraceae: Senecioneae, subsequently "fireweed complex") is a group of six southern African species of Senecio, three of which are considered invasive in various parts of the world: S. madagascariensis in South America, Japan, Australia, and the Hawaiian Islands, S. skirrhodon in New Zealand, and S. inaequidens in Mexico and Europe. Morphological plasticity and historically limited access to reliable information in the introduced ranges have led to taxonomic confusion in many countries, where the weedy populations have been classified under changing names and sometimes erroneously considered to be native species. This confusion has hampered research into management options such as biological control. Recently, uncertainty has arisen about whether only one or two species of the fireweed complex are present in New Zealand. To resolve this question and test the utility of multi-locus sequence capture data for the understanding of the complex, we produced a first dataset of hundreds of genes for four of its species with a focus on S. madagascariensis and S. skirrhodon. Both species were found to be present in the North Island of New Zealand, with S. madagascariensis widespread in the Northland region and S. skirrhodon present at both sites sampled in the southern half of North Island. Our results show that sequence capture data provide high levels of confidence and resolution even at shallow phylogenetic levels, which will enable a greater understanding of the fireweed complex and its invasion history as the dataset is expanded. [ABSTRACT FROM AUTHOR]
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- 2024
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19. Phylogenomic analysis of protein‐coding genes resolves complex gall wasp relationships
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Hearn, Jack, primary, Gobbo, Erik, additional, Nieves‐Aldrey, José Luis, additional, Branca, Antoine, additional, Nicholls, James A., additional, Koutsovoulos, Georgios, additional, Lartillot, Nicolas, additional, Stone, Graham N., additional, and Ronquist, Fredrik, additional
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- 2023
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20. Do Reticulate Relationships Between Tropical Trees Drive Diversification? Insights from Inga (Fabaceae)
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Schley, Rowan J, primary, Pineiro, Rosalia, additional, Nicholls, James A., additional, Pezzini, Flavia Fonseca, additional, Kidner, Catherine, additional, Farbos, Audrey, additional, Moore, Karen, additional, Ringelberg, Jens J., additional, Twyford, Alex D., additional, Dexter, Kyle G., additional, and Pennington, Toby, additional
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- 2023
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21. Substance use, dangerous classes and spaces
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Nicholls, James, primary and Berridge, Virginia, additional
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- 2020
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22. Modelling of the Caspian Sea
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Farley Nicholls, James and Toumi, Ralf
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530 - Abstract
More advanced models of climate systems are needed for use in present day weather forecasting and climate projection, and there is a drive towards the use of coupled modelling of various processes to achieve this goal. This thesis seeks to investigate coupled ocean-atmosphere-wave modelling using the latest generation of models. The test basin for this investigation is the Caspian Sea, where accurate representation of the water budget is vital for prediction of water level changes, which have historically seen trends of up to 15 cm/year. The individual models of atmosphere, waves and ocean are first run separately to investigate their skill in predicting observed conditions in the Caspian. These models capture the behaviour of the basin when model results are compared with observed wind speeds, currents, wave heights, sea-surface temperatures and precipitation. The coupling of the ROMS ocean and WRF atmosphere models is seen to improve sea-surface temperature prediction, but, under the Janjic Eta surface layer scheme used here, increases evaporation above the level expected. The additional inclusion of wave coupling from the SWAN model decreases strong winds through wave dependent surface roughness, reduces sea-surface temperatures and increases precipitation; all leading to better agreement with measurements. Wave prediction is best when wave-atmosphere coupling is included, but not current-wave coupling - this is believed to be because of the “double counting” of currents, where they are included both implicitly in the model formulation and then explicitly through coupling. The final part of this study considers near-inertial oscillations, which are frequently observed in the measured current records. The model is able to accurately represent the observations, and sees significant near-inertial oscillations over most of the basin. The amplitude of the oscillations in the model is found to increase with distance from the coastline. This agrees with the mechanism of barotropic and baroclinic waves, which are generated by the no flow condition at the coast, controlling inertial oscillations.
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- 2013
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23. Co-production in substance use research
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Cairns, Jo and Nicholls, James
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- 2018
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24. Habitat Type and Density Influence Vocal Signal Design in Satin Bowerbirds
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Nicholls, James A. and Goldizen, Anne W.
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- 2006
25. Patterns of Painting in Satin Bowerbirds Ptilonorhynchus violaceus and Males' Responses to Changes in Their Paint
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Bravery, Benjamin D., Nicholls, James A., and Goldizen, Anne W.
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- 2006
26. Investigating protein complexes that are involved in the function and regulation of the human INK4a/ARF locus
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Nicholls, James Ronald
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616.994042 - Abstract
A common mechanism used by cancer cells to over-ride normal restraints on cellular proliferation is abrogation of the tumour suppressive functions of the INK4a/ARF locus. This can be achieved either through genetic changes to the locus or by dysregulation of the molecular pathways that operate to mediate its function or transcriptional regulation. The INK4a/ARF locus encodes two structurally unrelated proteins which have a common exon translated in alternative reading frames. These proteins are named p16INK4a and p14ARF and they both have antiproliferative effects mediated by the Rb and p53 pathways respectively. In this thesis, proteomic approaches have been used to map out some of the protein-protein interaction networks that are involved in function or regulation of INK4a/ARF. Multiprotein complexes are involved both in function (D cyclin-Cdk) and regulation (Cbx7) of the locus and a major focus of this work has been the determination of their molecular composition. The main findings of this thesis relate to the protein-protein interactions of Cbx7, a known transcriptional repressor of INK4A/ARF, which has been implicated as an oncogene. In an analogous manner to other members of the Polycomb group (PcG) of proteins, it was found to participate in a large multiprotein complex. Constituents of a Cbx7 complex isolated from human cells were identified by mass spectrometry. Analysis revealed that it was made up of a subset of the known human PcG proteins and some novel interacting proteins, including an RNA helicase, which had not previously been reported in PcG complexes. The specificity of these interactions was then validated by other biochemical methods. The impact of some of these interactions on the repressive function of Cbx7 has been evaluated in primary human fibroblasts, with a view to understanding how the complex silences transcription.
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- 2006
27. Coevolutionary arms race versus host defense chase in a tropical herbivore–plant system
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Endara, María-José, Coley, Phyllis D., Ghabash, Gabrielle, Nicholls, James A., Dexter, Kyle G., Donoso, David A., Stone, Graham N., Pennington, R. Toby, and Kursar, Thomas A.
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- 2017
28. Sweet Tetra-Trophic Interactions : Multiple Evolution of Nectar Secretion, a Defensive Extended Phenotype in Cynipid Gall Wasps
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Nicholls, James A., Melika, George, and Stone, Graham N.
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- 2017
29. The Evolution of Cooperative and Pair Breeding in Thornbills Acanthiza (Pardalotidae)
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Nicholls, James A., Double, Michael C., Rowell, David M., and Magrath, Robert D.
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- 2000
30. Life in the Slow Lane: Reproductive Life History of the White-Browed Scrubwren, an Australian Endemic
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Magrath, Robert D., Yezerinac, Stephen M., and Nicholls, James A.
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- 2000
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31. Drink, modernity and modernism : representations of drinking and intoxication in James Joyce, Ernest Hemingway and Jean Rhys
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Nicholls, James
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823.083090912 ,HN Social history and conditions. Social problems. Social reform ,PN Literature (General) - Abstract
This thesis is a study of the representation of drinking in modernist literature. It takes as its core texts novels by James Joyce, Ernest Hemingway and Jean Rhys. It argues that drinking came to acquire a specific set of social, cultural and political meanings in western modernity, and that an understanding of this process is crucial to understanding the semantic complexity which drink and drinking come to acquire in modernist literature. This study combines a close reading of literary texts with a historical overview of changing social attitudes to alcohol legislative reforms, popular representations and aesthetic theory. I not only argue that drink becomes a richly polysemic figure in literary modernism, but also that representations of drink and drinking can be theorised using a number of thematically specific critical techniques. Having outlined the development of the 'drink problem' in the nineteenth century. and, the manifold ideological ramifications of temperance thought, I develop the concept of 'synthetic transcendence' by way of identifying a specifically modernist response to the ideological problematization of both drinking and intoxication. The notion of 'synthetic transcendence' - which is also a radical philosophical response to the experience of secularisation - produces an 'aesthetics of intoxication' through which I read the key texts of this study. The specific narrative function of drink is considered in each of the close readings. At the same time, close analysis of the literature is used to embark upon a broader study of the cultural status of drink in the societies depicted. This thesis addresses a theoretical and analytical gap in prior criticism in that it addresses the broad social and ideological contexts out of which modernist representations of drinking emerged, establishes the intrinsic role of intoxication in a number of modernist texts, and provides critical tools with which these representations can be theorised.
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- 2002
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32. Holocynips undefined-1 Kieffer 1910
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Nicholls, James A., Furlan, Nick E., and Melika, George
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Insecta ,Arthropoda ,Cynipidae ,Animalia ,Holocynips ,Biodiversity ,Hymenoptera ,Taxonomy - Abstract
Key to asexual generation females of Holocynips species 1. Notaulus complete (Figs 9, 24, 44, 55).................................................................... 2 - Notaulus incomplete in anterior 1/3 (Fig. 35)......................................................... hartmani 2. Antenna with 11 flagellomeres (Fig. 21); body, antenna, legs uniformly reddish brown (Figs 17–27)................. badia - Antenna with 12–13 flagellomeres (Figs 5, 52), body not uniformly coloured, primarily brown but with black stripes on mesoscutum along anterior parallel and parapsidal lines, mesoscutellar foveae and propodeum also entirely or partially black (Figs 1–12, 38–47, 48–58).............................................................................. 3 3. Antenna with 13 flagellomeres (Fig. 52), prominent part of ventral spine of hypopygium 8.0–10.0× as long as broad in ventral view (Figs 47, 58)..................................................................................... 4 - Antenna with 12 flagellomeres (Fig. 5), prominent part of ventral spine of hypopygium 3.5–4.0× as long as broad in ventral view (Fig. 12)......................................................................... illinoiensis, sp. nov. 4. Head in front view with dense white setae (Fig. 48), mesoscutum with dense white setae, especially beside notauli and between anterior parallel lines, anterior parallel line extending to a maximum 1/3 of mesoscutum length (Fig. 55), 2nd metasomal tergum smooth, all subsequent terga with minute punctures (Fig. 58).............................................. maxima - Head in front view without or with only a very few white setae (Fig. 38), mesoscutum with very few setae, anterior parallel line extending to half length of mesoscutum (Fig. 44), 2nd metasomal tergum and all subsequent terga with punctures (Fig. 47)............................................................................................... humicola, Published as part of Nicholls, James A., Furlan, Nick E. & Melika, George, 2023, Holocynips illinoiensis, sp. nov., a new species of oak gall wasp (Hymenoptera: Cynipidae) from the USA, pp. 469-485 in Zootaxa 5301 (4) on pages 470-471, DOI: 10.11646/zootaxa.5301.4.5, http://zenodo.org/record/8036063
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- 2023
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33. Holocynips illinoiensis, sp. nov., a new species of oak gall wasp (Hymenoptera: Cynipidae) from the USA
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Nicholls, James A., Furlan, Nick E., and Melika, George
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Insecta ,Arthropoda ,Cynipidae ,Animalia ,Biodiversity ,Hymenoptera ,Taxonomy - Abstract
Nicholls, James A., Furlan, Nick E., Melika, George (2023): Holocynips illinoiensis, sp. nov., a new species of oak gall wasp (Hymenoptera: Cynipidae) from the USA. Zootaxa 5301 (4): 469-485, DOI: 10.11646/zootaxa.5301.4.5, URL: http://dx.doi.org/10.11646/zootaxa.5301.4.5
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- 2023
34. Holocynips illinoiensis Melika & Nicholls 2023, sp. nov
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Nicholls, James A., Furlan, Nick E., and Melika, George
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Insecta ,Arthropoda ,Cynipidae ,Animalia ,Holocynips ,Holocynips illinoiensis ,Biodiversity ,Hymenoptera ,Taxonomy - Abstract
Holocynips illinoiensis Melika & Nicholls, sp. nov. Figs 1–16 urn:lsid:zoobank.org:act: 0D8D00B9-CB7A-41C2-BD1A-D9DD20F1C51B Type material. Holotype female “ USA, Illinois, Lake Co., 17 December 2022, 42.203566, -87.838975. Quercus macrocarpa. Coll. N.E. Furlan ”, red label “Holotype female Holocynips illinoiensis ”. One paratype female with the same labels as the holotype. Holotype deposited at the USNM, one paratype female at the PHDNRL. Etymology. Named after the USA state of Illinois, where the species was collected. Diagnosis. Two Holocynips species are known from the eastern half of the USA, also from Illinois in particular (see Burks 1979), H. badia and H. maxima, but their galls differ from those of H. illinoiensis, sp. nov.. In H. badia and H. maxima the galls are woody and rounded, just below the soil surface, large and polythalamous in H. maxima, small and monothalamous in H. badia; while in H. illinoiensis the galls are monothalamous, just above the soil surface and structurally complex with multiple spongy protrusions surrounding the larval cell. In H. badia the antennae have 11 flagellomeres, the propleuron uniformly reddish brown, mesoscutellar foveae ovate, broader than high, with broad elevated sculptured area between them, the central propodeal area with dense setae only along anterior half of lateral propodeal carinae, the prominent part of ventral spine of hypopygium 6.0× as long as broad, 2nd metasomal tergum with deep punctures. In H. maxima the antenna has 13 flagellomeres, the anterior parallel line extends to a maximum 1/3 of the mesoscutum length, the central propodeal area coriaceous with strong irregular rugae on posterior half, the prominent part of the ventral spine of the hypopygium nearly 10.0× as long as broad in ventral view. In contrast, in H. illinoiensis sp. nov. the antenna has 12 flagellomeres, the propleuron is reddish brown only in its mediocentral part but black along edges, the anterior parallel line extends to 1/2 of the mesoscutum length, mesoscutellar foveae in the form of an anteriorly transverse, smooth, glabrous impressed area, the central propodeal area smooth, glabrous, with dense setae on anterior half, the prominent part of the ventral spine of the hypopygium nearly 3.5–4.0× as long as broad in ventral view. Description. Asexual female (Figs 1–13). Head dark reddish brown anteriorly, black posteriorly, mouthparts yellow, antenna slightly lighter than mesosoma; mesosoma predominantly dark reddish brown, with black stripes along anterior parallel and parapsidal lines; propodeum black; legs uniformly dark reddish brown, metasoma dark reddish brown with almost black posterior terga. Head and mesoscutum with dense yellowish-white setae. Head (Figs 1–4) with dense yellowish white setae, 1.2× as broad as high and as broad as mesosoma in frontal view; 1.8× as broad as long in dorsal view. Gena with deep punctures, broadened behind eye in frontal view, narrower than transverse diameter of eye in lateral view. Malar space punctured, without sulcus; eye 2.2× as high as length of malar space. Inner margins of eyes parallel. POL 1.5× as long as OOL, OOL 1.6× as long as diameter of lateral ocellus and 1.5× as long as LOL, all ocelli ovate, of same size. Transfacial distance 1.2× as long as height of eye; toruli located in the upper half of head and frons shorter than lower face, diameter of antennal torulus nearly 1.8× as long as distance between them, distance between torulus and eye slightly longer than diameter of torulus; lower face and slightly elevated median area with deep rounded punctures, with sparse white setae. Clypeus trapezoid, broader than high, with deep punctures, delicately coriaceous, with a few long setae scattered all over; ventrally rounded, emarginate, without median incision; anterior tentorial pit small, rounded, indistinct, epistomal sulcus distinct, clypeo-pleurostomal line well impressed. Frons, interocellar area, vertex uniformly with deep punctures and setae; area under central ocellus impressed, shining; occiput and postocciput smooth, shining, area beside occipital foramen reticulate, postgena punctured, with dense setae; posterior tentorial pit large, elongated, area below impressed; occipital foramen as high as height of postgenal bridge; hypostomal carina emarginate, continuing into distinct postgenal sulci which diverge strongly toward occipital foramen, postgenal bridge anteriorly slightly broader than occipital foramen. Antenna longer than head+mesosoma, with 12 flagellomeres (suture between F12 and F11 indistinct); pedicel slightly longer than broad; F1 3.7× as long as pedicel and 1.3× as long as F2; F2 1.4× as long as F3; F3=F4, F5 until F7 equal in length, shorter than F4; F8 until F11 shorter and all equal in length, F12 as long as F11; placodeal sensilla on F3–F12 (Fig. 5). Mesosoma longer than high, with dense setae all over (Fig. 7). Pronotum with punctures, foveolate along propleuron, laterally with punctures; propleuron reddish brown, smooth, glabrous in mediocentral part, black and with punctures along sides (Fig. 6). Mesoscutum longer than broad (greatest width measured across mesoscutum level with base of tegulae), uniformly punctured, with dense setae (Fig. 8). Notaulus complete, deep, posteriorly converging and broader than anteriorly, bottom smooth, glabrous; at posterior end the distance between notauli shorter than distance between notaulus and side of mesoscutum; anterior parallel line black, distinct, elevated above mesoscutum, smooth, glabrous, extending to 1/2 length of mesoscutum; parapsidal line distinct, black, smooth; median mesoscutal line absent; circumscutellar carina broad, reaching slightly above level of tegulae. Mesoscutellum trapezoid, longer than broad, with subparallel sides, broader at posterior end; disc of mesoscutellum punctured, with setae, overhanging metanotum; circumscutellar carina indistinct (Fig. 9–10). Mesoscutellar foveae in the form of an anteriorly transverse, smooth, glabrous impressed area, black, well-delimited anteriorly and smoothly continuing into disc of mesoscutellum. Mesopleuron entirely uniformly punctured, with dense setae; mesopleural triangle rugose, with sparse short white setae; dorsal and lateral axillar areas punctured, with dense setae; axillula with delicate parallel longitudinal striae; subaxillular bar smooth, glabrous, triangular, posteriorly as high as height of metanotal trough; metapleural sulcus reaching mesopleuron at half of its height, lower part of sulcus delimiting broad triangular punctured area, with dense setae; upper part of sulcus also distinct, separating smooth, glabrous area with dense setae (Fig. 7). Metascutellum granulose, 2.0× as high as height of smooth, glabrous ventral impressed area; metanotal trough smooth, with dense short setae; central propodeal area with parallel sides, smooth, glabrous, with short irregular rugae and dense setae in anterior half; lateral propodeal carinae parallel, bent slightly outwards in posterior 1/3; lateral propodeal area smooth, glabrous, with long dense white setae. Nucha with irregular rugae dorsally and laterally (Fig. 10). Tarsal claws simple, without basal lobe. Fore wing longer than body, slightly infuscated, with short cilia on margin, veins light brown, radial cell open, 2.7× as long as broad; Rs and R1 nearly reaching wing margin; areolet triangular, closed by distinct veins. Rs+M indistinct, visible on 2/3 of distance between areolet and basalis, its projection reaching basalis at half of its height (Fig. 11). Metasoma as long as head+mesosoma, slightly longer than high in lateral view; second metasomal tergum smooth, extending to 2/3 length of metasoma in dorsal view, with patch of dense white setae anterolaterally, without micropunctures; all subsequent terga and hypopygium with minute micropunctures; prominent part of ventral spine of hypopygium 3.5–4.0× as long as broad in ventral view, with a few short white setae ventrally (Fig. 12). Body length 4.7– 4.9 mm (n = 2). Gall (Figs 14–16). Occurring singly or in closely appressed clusters of 3–6 at the base of small stems (diameter at breast height ≤ 3 cm) or shoot regrowth from cut stumps, most at ground level and either hidden by leaf litter and vegetation or partially buried in the soil. Occasional galls have been observed higher on the stem, up to 75 cm above the ground. Galls are dull red to reddish-brown, darkening to purple-brown or black with age and elemental exposure. Surface texture is finely granulate and dull. Each individual gall consists of a single larval cell surrounded by 6–10 thin-walled parenchyma-filled protrusions in a radial or whorled configuration. Protrusions are septate, becoming hollow and brittle with age and eventually disintegrating. Overall gall morphology ranges from irregularly globular (as when protrusions are small or absent) to more elaborate shapes reminiscent of flowers or dried star anise. Individual galls range in size from 11–20 mm wide and 8–10 mm in height. Gall detachment from the stem surface requires some force and leaves a conically depressed scar 4–6 mm in diameter, paler than the surrounding tissue and enclosed by an elevated margin 1–3 mm high. The larval cell is round or ovate to teardrop-shaped, 4–5 mm wide and 4–5 mm tall. Cell walls are woody, 0.5–0.6 mm thick and lighter in color than the surrounding protrusions.Adult emergence holes observed on old galls are ovate, approximately 2 mm wide by 3mm tall. Biology. Only the asexual generation is known, which induces galls on Q. macrocarpa Michx. (subgenus Quercus, section Quercus). Galls mature in November–December; adults were cut out in December and January under laboratory conditions. Molecular taxonomy. Cytb sequences were compared between a specimen of the new species H. illinoiensis and a specimen of H. badia, a morphologically similar species that also induces unilocular galls at the base of Q. macrocarpa stems. The two species differed by 2.3% at this locus (10 bases different, including one base substitution resulting in an amino acid change), consistent with expected variation between distinct species, especially given that the two specimens were collected only 14.5km apart and hence represent essentially sympatic populations of their respective species. ITS2 sequences from these two species differed by two base substitutions (0.4%) and two indels, which are levels of variation at the lower end of that expected for two close congeners. Variation between H. illinoiensis and H. hartmani was much higher, with 50 bases differing beween their respective cytb sequences (11.5%). All sequences are deposited on GenBank (accessions OQ716584–OQ716586 for cytb, OQ716467– OQ716468 for ITS2).
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- 2023
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35. Measuring How Public Health Stakeholders Seek to Influence Alcohol Premises Licensing in England and Scotland: The Public Health Engagement In Alcohol Licensing (PHIAL) Measure
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Fitzgerald, Niamh, primary, Mohan, Andrea, additional, Maani, Nason, additional, Purves, Richard, additional, De Vocht, Frank, additional, Angus, Colin, additional, Henney, Madeleine, additional, Nicholls, James, additional, Nichols, Tim, additional, Crompton, Gemma, additional, Mahon, Laura, additional, Mcquire, Cheryl, additional, Shortt, Niamh, additional, Bauld, Linda, additional, and Egan, Matt, additional
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- 2023
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36. Precipitation is the main axis of tropical plant phylogenetic turnover across space and time
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Ringelberg, Jens J; https://orcid.org/0000-0003-0567-5210, Koenen, Erik J M; https://orcid.org/0000-0002-4825-4339, Sauter, Benjamin, Aebli, Anahita; https://orcid.org/0000-0002-5736-2219, Rando, Juliana G; https://orcid.org/0000-0002-3714-8231, Iganci, João R; https://orcid.org/0000-0002-5740-3666, de Queiroz, Luciano P; https://orcid.org/0000-0001-7436-0939, Murphy, Daniel J; https://orcid.org/0000-0002-8358-363X, Gaudeul, Myriam, Bruneau, Anne; https://orcid.org/0000-0001-5547-0796, Luckow, Melissa, Lewis, Gwilym P; https://orcid.org/0000-0003-2599-4577, Miller, Joseph T; https://orcid.org/0000-0002-5788-9010, Simon, Marcelo F; https://orcid.org/0000-0002-5732-1716, Jordão, Lucas S B; https://orcid.org/0000-0002-9501-0548, Morales, Matías; https://orcid.org/0000-0001-5540-9725, Bailey, C Donovan; https://orcid.org/0000-0002-3123-4083, Nageswara-Rao, Madhugiri, Nicholls, James A; https://orcid.org/0000-0002-9325-563X, Loiseau, Oriane; https://orcid.org/0000-0002-9852-857X, Pennington, R Toby; https://orcid.org/0000-0002-8196-288X, Dexter, Kyle G; https://orcid.org/0000-0001-9232-5221, Zimmermann, Niklaus E; https://orcid.org/0000-0003-3099-9604, Hughes, Colin E; https://orcid.org/0000-0002-9701-0699, Ringelberg, Jens J; https://orcid.org/0000-0003-0567-5210, Koenen, Erik J M; https://orcid.org/0000-0002-4825-4339, Sauter, Benjamin, Aebli, Anahita; https://orcid.org/0000-0002-5736-2219, Rando, Juliana G; https://orcid.org/0000-0002-3714-8231, Iganci, João R; https://orcid.org/0000-0002-5740-3666, de Queiroz, Luciano P; https://orcid.org/0000-0001-7436-0939, Murphy, Daniel J; https://orcid.org/0000-0002-8358-363X, Gaudeul, Myriam, Bruneau, Anne; https://orcid.org/0000-0001-5547-0796, Luckow, Melissa, Lewis, Gwilym P; https://orcid.org/0000-0003-2599-4577, Miller, Joseph T; https://orcid.org/0000-0002-5788-9010, Simon, Marcelo F; https://orcid.org/0000-0002-5732-1716, Jordão, Lucas S B; https://orcid.org/0000-0002-9501-0548, Morales, Matías; https://orcid.org/0000-0001-5540-9725, Bailey, C Donovan; https://orcid.org/0000-0002-3123-4083, Nageswara-Rao, Madhugiri, Nicholls, James A; https://orcid.org/0000-0002-9325-563X, Loiseau, Oriane; https://orcid.org/0000-0002-9852-857X, Pennington, R Toby; https://orcid.org/0000-0002-8196-288X, Dexter, Kyle G; https://orcid.org/0000-0001-9232-5221, Zimmermann, Niklaus E; https://orcid.org/0000-0003-3099-9604, and Hughes, Colin E; https://orcid.org/0000-0002-9701-0699
- Abstract
Early natural historians-Comte de Buffon, von Humboldt, and De Candolle-established environment and geography as two principal axes determining the distribution of groups of organisms, laying the foundations for biogeography over the subsequent 200 years, yet the relative importance of these two axes remains unresolved. Leveraging phylogenomic and global species distribution data for Mimosoid legumes, a pantropical plant clade of c. 3500 species, we show that the water availability gradient from deserts to rain forests dictates turnover of lineages within continents across the tropics. We demonstrate that 95% of speciation occurs within a precipitation niche, showing profound phylogenetic niche conservatism, and that lineage turnover boundaries coincide with isohyets of precipitation. We reveal similar patterns on different continents, implying that evolution and dispersal follow universal processes.
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- 2023
37. Retrieval of hundreds of nuclear loci from herbarium specimens
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Hart, Michelle L., Forrest, Laura L., Nicholls, James A., and Kidner, Catherine A.
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- 2016
38. What Is the Problem?: Evidence, Politics and Alcohol Policy in England and Wales, 2010-2014
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Nicholls, James and Greenaway, John
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This article considers alcohol policy development in England and Wales under the coalition government after 2010. With a particular focus on minimum unit pricing, it examines why policy departures based on supply-side controls drawn from public health models were abandoned in favour of a restoration of policy equilibrium. This article adopts a historically informed political science perspective, drawing upon insights from John Kingdon's policy streams approach, with a focus on how the ''alcohol problem'' is defined and framed by policy actors. It argues that while the restoration of policy equilibrium was significantly attributable to industry lobbying, also important were the inconsistent framing of policy proposals, lack of departmental synergy, ideological tensions and a lack of coherence in the communication of evidence.
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- 2015
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39. Re-establishment of the Nearctic oak cynipid gall wasp genus Druon Kinsey, 1937 (Hymenoptera: Cynipidae: Cynipini), with description of five new species
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Cuesta-Porta, Victor, Melika, George, Nicholls, James A., Stone, Graham N., and Pujade-Villar, Juli
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Quercus ,Insecta ,Arthropoda ,Cynipidae ,Metazoa ,Wasps ,Animals ,Animalia ,Animal Science and Zoology ,Biodiversity ,Hymenoptera ,Ecology, Evolution, Behavior and Systematics ,Taxonomy - Abstract
The Nearctic cynipid oak gall wasp genus Druon Kinsey comb. rev. is re-established, with 5 new species and 10 species previously placed in the genus Andricus Hartig 1840: D. alexandri Melika, Nicholls & Stone, sp. nov., D. flocculentum (Lyon), comb. nov., D. fullawayi (Beutenmüller), comb. nov., D. garciamartinonae Pujade-Villar, sp. nov., D. gregori Melika, Nicholls & Stone, sp. nov., D. hansoni Cuesta-Porta, Melika & Pujade-Villar, sp. nov., D. ignotum (Bassett), comb. nov., D. linaria Kinsey, comb. rev., D. pattoni (Bassett), comb. nov., D. protagion Kinsey, comb. rev. (D. malinum Kinsey, syn. nov., D. polymorphae Kinsey, syn. nov.), D. quercusflocci (Walsh), comb. nov., D. quercuslanigerum (Ashmead), comb. nov., D. receptum Kinsey, comb. rev., D. rusticum Kinsey, comb. rev. and D. serretae Pujade-Villar, Cuesta-Porta & Melika, sp. nov.. All species are known only from their asexual generation except for D. ignotum and D. quercuslanigerum, for which alternating asexual and sexual generations are known. The sexual generation of D. ignotum and a new morphological variety of D. quercuslanigerum from Mexico are both described for the first time. We provide descriptions, redescriptions, diagnoses, keys to species, DNA sequence data and analyses, and information on biology, phenology, and distribution. Additionally, four Andricus species with woolly galls and striato-reticulated metasomas are transferred to Striatoandricus Pujade-Villar: S. furnessulus, comb. nov., S. furnessae, comb. nov., S. guatemalensis, comb. nov., and S. tenuicornis, comb. nov.
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- 2022
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40. Genetic data confirm the presence of Senecio madagascariensisin New Zealand
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Schmidt-Lebuhn, Alexander N., Egli, Daniella, Grealy, Alicia, Nicholls, James A., Zwick, Andreas, Dymock, Jenny J., and Gooden, Ben
- Abstract
ABSTRACTThe Senecio inaequidens– S. madagascariensiscomplex (Asteraceae: Senecioneae, subsequently “fireweed complex”) is a group of six southern African species of Senecio, three of which are considered invasive in various parts of the world: S. madagascariensisin South America, Japan, Australia, and the Hawaiian Islands, S. skirrhodonin New Zealand, and S. inaequidensin Mexico and Europe. Morphological plasticity and historically limited access to reliable information in the introduced ranges have led to taxonomic confusion in many countries, where the weedy populations have been classified under changing names and sometimes erroneously considered to be native species. This confusion has hampered research into management options such as biological control. Recently, uncertainty has arisen about whether only one or two species of the fireweed complex are present in New Zealand. To resolve this question and test the utility of multi-locus sequence capture data for the understanding of the complex, we produced a first dataset of hundreds of genes for four of its species with a focus on S. madagascariensisand S. skirrhodon. Both species were found to be present in the North Island of New Zealand, with S. madagascariensiswidespread in the Northland region and S. skirrhodonpresent at both sites sampled in the southern half of North Island. Our results show that sequence capture data provide high levels of confidence and resolution even at shallow phylogenetic levels, which will enable a greater understanding of the fireweed complex and its invasion history as the dataset is expanded.
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- 2024
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41. Precipitation is the main axis of tropical plant phylogenetic turnover across space and time
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Ringelberg, Jens J., primary, Koenen, Erik J. M., additional, Sauter, Benjamin, additional, Aebli, Anahita, additional, Rando, Juliana G., additional, Iganci, João R., additional, de Queiroz, Luciano P., additional, Murphy, Daniel J., additional, Gaudeul, Myriam, additional, Bruneau, Anne, additional, Luckow, Melissa, additional, Lewis, Gwilym P., additional, Miller, Joseph T., additional, Simon, Marcelo F., additional, Jordão, Lucas S. B., additional, Morales, Matías, additional, Bailey, C. Donovan, additional, Nageswara-Rao, Madhugiri, additional, Nicholls, James A., additional, Loiseau, Oriane, additional, Pennington, R. Toby, additional, Dexter, Kyle G., additional, Zimmermann, Niklaus E., additional, and Hughes, Colin E., additional
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- 2023
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42. Supplementary Materials for Precipitation is the main axis of tropical plant phylogenetic turnover across space and time
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Ringelberg, Jens J., Koenen, Erik J. M., Sauter, Benjamin, Aebli, Anahita, Rando, Juliana G., Iganci, João R., De Queiroz, Luciano P., Murphy, Daniel J., Gaudeu, Myriam, Bruneau, Anne, Luckow, Melissa, Lewis, Gwilym P., Miller, Joseph T., Simon, Marcelo F., Jordão, Lucas S. B., Morales, Matías, C. Donovan Bailey, Madhugiri Nageswara-Rao, Nicholls, James A., Loiseau, Oriane, R. Toby Pennington, Dexter, Kyle G., Zimmermann, Niklaus E., and Hughes, Colin E.
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Biodiversity ,Taxonomy - Abstract
Jens J. Ringelberg, Erik J. M. Koenen, Benjamin Sauter, Anahita Aebli, Juliana G. Rando, João R. Iganci, Luciano P. de Queiroz, Daniel J. Murphy, Myriam Gaudeu, Anne Bruneau, Melissa Luckow, Gwilym P. Lewis, Joseph T. Miller, Marcelo F. Simon, Lucas S. B. Jordão, Matías Morales, C. Donovan Bailey, Madhugiri Nageswara-Rao, James A. Nicholls, Oriane Loiseau, R. Toby Pennington, Kyle G. Dexter, Niklaus E. Zimmermann, Colin E. Hughes (2023): Supplementary Materials for Precipitation is the main axis of tropical plant phylogenetic turnover across space and time. Science Advances (suppl.) 9: 2-111, DOI: http://doi.org/10.5281/zenodo.7871826, {"references": ["1. A. von Humboldt, A. Bonpland, Essai sur la Geographie des Plantes; Accompagne d'un Table Physique des Regions Equinoxales (Levrault, Schoell et Compagnie, Libraires, 1805).", "2. G.-L. Buffon, Histoire Naturelle, Generale et Particuliere (Imprimerie Royale, 1763), vol. 10.", "3. A. 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43. The development and evaluation of mass media campaigns to reduce stigma towards people who use drugs: a scoping review protocol
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Hickman, Matthew, Carlisle, Victoria, Maynard, Olivia, Holland, Adam, Howkins, Joshua, Attwood, Angela, Freeman, Tom, and Nicholls, James
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Scoping review ,Stigma ,Discrimination ,Medicine and Health Sciences ,Psychiatry and Psychology ,Public Health ,Drug use ,Drug ,Social and Behavioral Sciences ,People who use drugs ,Campaign ,Prejudice ,Mass media - Abstract
Protocol for scoping review of studies evaluating mass media interventions to reduce stigma towards people who use drugs.
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- 2023
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44. A new genus of Neotropical oak gall wasp, Prokius Nieves-Aldrey, Medianero & Nicholls, gen. nov. (Hymenoptera: Cynipidae: Cynipini), with description of two new species from Panama
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Medianero, Enrique, Nicholls, James A., Stone, Graham N., and Nieves-Aldrey, José Luis
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Insecta ,Arthropoda ,Panamá ,Panama ,Wasps ,Oak Gall Wasps ,Biodiversity ,Hymenoptera ,Quercus ,White Oaks ,Cynipidae ,Animalia ,Animals ,Animal Science and Zoology ,Chiriquí ,Phylogeny ,Ecology, Evolution, Behavior and Systematics ,Taxonomy - Abstract
A new genus, Prokius Nieves Aldrey, Medianero & Nicholls, gen. nov., and two new species of oak gall wasps (Hymenoptera: Cynipidae: Cynipini), Prokius cambrai Medianero & Nieves-Aldrey sp. nov. and Prokius lisethiae Medianero & Nieves-Aldrey sp. nov., are described from adults reared from galls on Quercus bumelioides Liebm (Fagaceae, sect. Quercus, white oaks) collected in Panama. The new genus is phylogenetically and morphologically close to Dros Kinsey and forms part of a large clade that includes species from several other genera that appear to require revision, including Andricus Hartig and Phylloteras Ashmead. Molecular and morphological data, diagnostic characters, gall descriptions, distribution and biological data of the new genus and the new species are given. This new genus represents the fourth recently described genus of Cynipidae endemic to the Neotropical region.
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- 2021
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45. Molecular taxonomic analysis of the plant associations of adult pollen beetles (Nitidulidae: Meligethinae), and the population structure of Brassicogethes aeneus
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Ouvrard, Pierre, Hicks, Damien M., Mouland, Molly, Nicholls, James A., Baldock, Katherine C.R., Goddard, Mark A., Kunin, William E., Potts, Simon G., Thieme, Thomas, Veromann, Eve, and Stone, Graham N.
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Molecular systematics -- Research ,DNA barcoding -- Methods ,Beetles -- Genetic aspects -- Identification and classification -- Distribution ,Company distribution practices ,Biological sciences - Abstract
Abstract: Pollen beetles (Nitidulidae: Meligethinae) are among the most abundant flower-visiting insects in Europe. While some species damage millions of hectares of crops annually, the biology of many species is [...]
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- 2016
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46. Molecular Phylogeny of Dermestidae (Coleoptera) Reveals the Polyphyletic Nature of Trogoderma Latreille and the Taxonomic Placement of the Khapra Beetle Trogoderma
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Zhou, Yu-Lingzi, Nicholls, James A., Liu, Zhen-Hua, Hartley, Diana, and Szito, Andras
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Coleoptera ,Insecta ,Arthropoda ,Animalia ,Biodiversity ,Taxonomy ,Dermestidae - Abstract
Zhou, Yu-Lingzi, Nicholls, James A., Liu, Zhen-Hua, Hartley, Diana, Szito, Andras (2022): Molecular Phylogeny of Dermestidae (Coleoptera) Reveals the Polyphyletic Nature of Trogoderma Latreille and the Taxonomic Placement of the Khapra Beetle Trogoderma. Insect Systematics and Diversity 6 (6): 1-24, DOI: 10.1093/isd/ixac026, URL: http://dx.doi.org/10.1093/isd/ixac026
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- 2022
47. Diversity and divergence: evolution of secondary metabolism in the tropical tree genus Inga
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Forrister, Dale L., primary, Endara, María‐José, additional, Soule, Abrianna J., additional, Younkin, Gordon C., additional, Mills, Anthony G., additional, Lokvam, John, additional, Dexter, Kyle G., additional, Pennington, R. Toby, additional, Kidner, Catherine A., additional, Nicholls, James A., additional, Loiseau, Oriane, additional, Kursar, Thomas A., additional, and Coley, Phyllis D., additional
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- 2022
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48. Genetic data confirm the presence of Senecio madagascariensis in New Zealand
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Schmidt-Lebuhn, Alexander N., primary, Egli, Daniella, additional, Grealy, Alicia, additional, Nicholls, James A., additional, Zwick, Andreas, additional, Dymock, Jenny J., additional, and Gooden, Ben, additional
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- 2022
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49. Molecular Phylogeny of Dermestidae (Coleoptera) Reveals the Polyphyletic Nature of Trogoderma Latreille and the Taxonomic Placement of the Khapra Beetle Trogoderma granarium Everts
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Zhou, Yu-Lingzi, primary, Nicholls, James A, additional, Liu, Zhen-Hua, additional, Hartley, Diana, additional, Szito, Andras, additional, Ślipiński, Adam, additional, and Zwick, Andreas, additional
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- 2022
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50. Analysis of the UK Government’s 10-Year Drugs Strategy—a resource for practitioners and policymakers
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Holland, Adam, primary, Stevens, Alex, additional, Harris, Magdalena, additional, Lewer, Dan, additional, Sumnall, Harry, additional, Stewart, Daniel, additional, Gilvarry, Eilish, additional, Wiseman, Alice, additional, Howkins, Joshua, additional, McManus, Jim, additional, Shorter, Gillian W, additional, Nicholls, James, additional, Scott, Jenny, additional, Thomas, Kyla, additional, Reid, Leila, additional, Day, Edward, additional, Horsley, Jason, additional, Measham, Fiona, additional, Rae, Maggie, additional, Fenton, Kevin, additional, and Hickman, Matthew, additional
- Published
- 2022
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