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2. Substantial contribution of tree canopy nitrifiers to nitrogen fluxes in European forests

Author

Guerrieri, Rossella, Cáliz, Joan, Mattana, Stefania, Barceló, Anna, Candela, Marco, Elustondo, David, Fortmann, Heike, Hellsten, Sofie, Koenig, Nils, Lindroos, Antti-Jussi, Matteucci, Giorgio, Merilä, Päivi, Michalski, Greg, Nicolas, Manuel, Thimonier, Anne, Turroni, Silvia, Vanguelova, Elena, Verstraeten, Arne, Waldner, Peter, Watanabe, Mirai, Casamayor, Emilio O., Peñuelas, Josep, and Mencuccini, Maurizio

Published
2024
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10. Bioarchaeological and paleogenomic profiling of the unusual Neolithic burial from Grotta di Pietra Sant’Angelo (Calabria, Italy)

Author

Fontani, Francesco, Boano, Rosa, Cinti, Alessandra, Demarchi, Beatrice, Sandron, Sarah, Rampelli, Simone, Candela, Marco, Traversari, Mirko, Latorre, Adriana, Iacovera, Rocco, Abondio, Paolo, Sarno, Stefania, Mackie, Meaghan, Collins, Matthew, Radini, Anita, Milani, Chantal, Petrella, Enrico, Giampalma, Emanuela, Minelli, Antonella, Larocca, Felice, Cilli, Elisabetta, and Luiselli, Donata

Published
2023
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12. Acclimatization of a coral-dinoflagellate mutualism at a CO2 vent

Author

Prada, Fiorella, Franzellitti, Silvia, Caroselli, Erik, Cohen, Itay, Marini, Mauro, Campanelli, Alessandra, Sana, Lorenzo, Mancuso, Arianna, Marchini, Chiara, Puglisi, Alessia, Candela, Marco, Mass, Tali, Tassi, Franco, LaJeunesse, Todd C., Dubinsky, Zvy, Falini, Giuseppe, and Goffredo, Stefano

Published
2023
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13. Microbiomes of Thalassia testudinum throughout the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico are influenced by site and region while maintaining a core microbiome

Author

Kelly Ugarelli, Justin E. Campbell, O. Kennedy Rhoades, Calvin J. Munson, Andrew H. Altieri, James G. Douglass, Kenneth L. Heck, Valerie J. Paul, Savanna C. Barry, Lindsey Christ, James W. Fourqurean, Thomas K. Frazer, Samantha T. Linhardt, Charles W. Martin, Ashley M. McDonald, Vivienne A. Main, Sarah A. Manuel, Candela Marco-Méndez, Laura K. Reynolds, Alex Rodriguez, Lucia M. Rodriguez Bravo, Yvonne Sawall, Khalil Smith, William L. Wied, Chang Jae Choi, and Ulrich Stingl

Subjects
Thalassia, seagrass microbiome, amplicon sequencing, Caribbean, seagrass beds, seagrass, Microbiology, QR1-502
Abstract

Plant microbiomes are known to serve several important functions for their host, and it is therefore important to understand their composition as well as the factors that may influence these microbial communities. The microbiome of Thalassia testudinum has only recently been explored, and studies to-date have primarily focused on characterizing the microbiome of plants in a single region. Here, we present the first characterization of the composition of the microbial communities of T. testudinum across a wide geographical range spanning three distinct regions with varying physicochemical conditions. We collected samples of leaves, roots, sediment, and water from six sites throughout the Atlantic Ocean, Caribbean Sea, and the Gulf of Mexico. We then analyzed these samples using 16S rRNA amplicon sequencing. We found that site and region can influence the microbial communities of T. testudinum, while maintaining a plant-associated core microbiome. A comprehensive comparison of available microbial community data from T. testudinum studies determined a core microbiome composed of 14 ASVs that consisted mostly of the family Rhodobacteraceae. The most abundant genera in the microbial communities included organisms with possible plant-beneficial functions, like plant-growth promoting taxa, disease suppressing taxa, and nitrogen fixers.

Published
2024
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14. Ageing and Human Gut Microbiome: The Taxonomic and Functional Transition Towards an Elderly-Type Microbiome

Author

Rampelli, Simone, Turroni, Silvia, Candela, Marco, Rattan, Suresh I.S., Editor-in-Chief, Barbagallo, Mario, Editorial Board Member, Çakatay, Ufuk, Editorial Board Member, Fraifeld, Vadim E., Editorial Board Member, Fülöp, Tamàs, Editorial Board Member, Gruber, Jan, Editorial Board Member, Jin, Kunlin, Editorial Board Member, Kaul, Sunil, Editorial Board Member, Kaur, Gurcharan, Editorial Board Member, Le Bourg, Eric, Editorial Board Member, Lopez Lluch, Guillermo, Editorial Board Member, Moskalev, Alexey, Editorial Board Member, Nehlin, Jan, Editorial Board Member, Pawelec, Graham, Editorial Board Member, Rizvi, Syed Ibrahim, Editorial Board Member, Sholl, Jonathan, Editorial Board Member, Stambler, Ilia, Editorial Board Member, Szczerbińska, Katarzyna, Editorial Board Member, Trougakos, Ioannis P., Editorial Board Member, Wadhwa, Renu, Editorial Board Member, Wnuk, Maciej, Editorial Board Member, and Marotta, Francesco, editor

Published
2023
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17. Routes of dispersion of antibiotic resistance genes from the poultry farm system

Author

Scicchitano, Daniel, Babbi, Giulia, Palladino, Giorgia, Turroni, Silvia, Mekonnen, Yitagele Terefe, Laczny, Cédric, Wilmes, Paul, Leekitcharoenphon, Pimlapas, Castagnetti, Andrea, D'Amico, Federica, Brigidi, Patrizia, Savojardo, Castrense, Manfreda, Gerardo, Martelli, Pierluigi, De Cesare, Alessandra, Aarestrup, Frank Møller, Candela, Marco, and Rampelli, Simone

Published
2024
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19. Management of mixed cryoglobulinemia with rituximab: evidence and consensus-based recommendations from the Italian Study Group of Cryoglobulinemia (GISC)

Author

Quartuccio, Luca, Bortoluzzi, Alessandra, Scirè, Carlo Alberto, Marangoni, Antonio, Del Frate, Giulia, Treppo, Elena, Castelnovo, Laura, Saccardo, Francesco, Zani, Roberta, Candela, Marco, Fraticelli, Paolo, Mazzaro, Cesare, Renoldi, Piero, Scaini, Patrizia, Filippini, Davide Antonio, Visentini, Marcella, Scarpato, Salvatore, Giuggioli, Dilia, Mascia, Maria Teresa, Sebastiani, Marco, Zignego, Anna Linda, Lauletta, Gianfranco, Fiorilli, Massimo, Casato, Milvia, Ferri, Clodoveo, Pietrogrande, Maurizio, Pioltelli, Pietro Enrico, De Vita, Salvatore, Monti, Giuseppe, and Galli, Massimo

Published
2023
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21. Gut microbiota diversity before allogeneic hematopoietic stem cell transplantation as a predictor of mortality in children

Author

Masetti, Riccardo, Leardini, Davide, Muratore, Edoardo, Fabbrini, Marco, D’Amico, Federica, Zama, Daniele, Baccelli, Francesco, Gottardi, Francesca, Belotti, Tamara, Ussowicz, Marek, Fraczkiewicz, Jowita, Cesaro, Simone, Zecca, Marco, Merli, Pietro, Candela, Marco, Pession, Andrea, Locatelli, Franco, Prete, Arcangelo, Brigidi, Patrizia, and Turroni, Silvia

Published
2023
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25. Metagenomic shifts in mucus, tissue and skeleton of the coral Balanophyllia europaea living along a natural CO2 gradient

Author

Palladino Giorgia, Caroselli Erik, Tavella Teresa, Federica D’Amico, Prada Fiorella, Mancuso Arianna, Franzellitti Silvia, Rampelli Simone, Candela Marco, Goffredo Stefano, and Biagi Elena

Subjects
Microbial ecology, QR100-130
Abstract

Abstract Using the Mediterranean coral Balanophyllia europaea naturally growing along a pH gradient close to Panarea island (Italy) as a model, we explored the role of host-associated microbiomes in coral acclimatization to ocean acidification (OA). Coral samples were collected at three sites along the gradient, mimicking seawater conditions projected for 2100 under different IPCC (The Intergovernmental Panel on Climate Change) scenarios, and mucus, soft tissue and skeleton associated microbiomes were characterized by shotgun metagenomics. According to our findings, OA induced functional changes in the microbiomes genetic potential that could mitigate the sub-optimal environmental conditions at three levels: i. selection of bacteria genetically equipped with functions related to stress resistance; ii. shifts in microbial carbohydrate metabolism from energy production to maintenance of cell membranes and walls integrity; iii. gain of functions able to respond to variations in nitrogen needs at the holobiont level, such as genes devoted to organic nitrogen mobilization. We hence provided hypotheses about the functional role of the coral associated microbiome in favoring host acclimatation to OA, remarking on the importance of considering the crosstalk among all the components of the holobiont to unveil how and to what extent corals will maintain their functionality under forthcoming ocean conditions.

Published
2022
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26. Metabarcoding the eukaryotic community of a threatened, iconic Mediterranean habitat: Posidonia oceanica seagrass meadows

Author

Xavier Turon, Jesús Zarcero, Adrià Antich, Owen Simon Wangensteen, Enric Ballesteros, Emma Cebrian, Candela Marco-Méndez, and Teresa Alcoverro

Subjects
benthos, seagrass, metabarcoding, Posidonia oceanica, cytochrome oxidase I, Science, General. Including nature conservation, geographical distribution, QH1-199.5
Abstract

Against the accelerating pace of worldwide species extinction, reliable biodiversity assessments are critical, both as baselines and to track potential declines. DNA metabarcoding techniques allow for fast and comprehensive assessment of biodiversity in both terrestrial and marine habitats. However, these methods need to be adapted and standardised for each ecosystem in order to be effective. Seagrass meadows are among the most diverse marine habitats and are irreplaceable in terms of the ecosystem services they provide, yet metabarcoding has never been implemented for these systems. In this study, we developed and tested a protocol for metabarcoding the eukaryotic community of meadows of the iconic species, Posidonia oceanica L. (Delile). This seagrass is the main habitat-forming species in Mediterranean coastal waters and is known for its high diversity due to the structural complexity of its canopy and rhizome structures. This habitat is experiencing a range-wide retreat, and there is an urgent need for fast and efficient methods for its biomonitoring and detection of early changes. Our proposed method involves direct sampling of the community, collecting and processing the leaves and rhizome strata separately. To test the utility of the method in distinguishing between different meadow conditions, we sampled two distinct meadows that differ in their prevailing wind and surge conditions, and a nearby rocky reef for comparison. We then adapted a method and pipeline for COI metabarcoding using generalist primers that target the eukaryote diversity present. We detected a high diversity in the two meadows analysed (3,350 molecular operational taxonomic units, dominated by Metazoa and Archaeplastida) and a clear differentiation of the seagrass samples from those of the nearby rocky reefs. The leaves and rhizomes harboured clearly distinct assemblages, and differences were also detected between the two meadows sampled. This new tool has the potential to deliver big biodiversity data for seagrass habitats in a fast and efficient way, which is crucial for the implementation of protection and management measures for this key coastal habitat.

Published
2023
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33. Correction to: Management of mixed cryoglobulinemia with rituximab: evidence and consensus-based recommendations from the Italian Study Group of Cryoglobulinemia (GISC)

Author

Quartuccio, Luca, Bortoluzzi, Alessandra, Scirè, Carlo Alberto, Marangoni, Antonio, Del Frate, Giulia, Treppo, Elena, Castelnovo, Laura, Saccardo, Francesco, Zani, Roberta, Candela, Marco, Fraticelli, Paolo, Mazzaro, Cesare, Renoldi, Piero, Scaini, Patrizia, Filippini, Davide Antonio, Visentini, Marcella, Scarpato, Salvatore, Giuggioli, Dilia, Mascia, Maria Teresa, Sebastiani, Marco, Zignego, Anna Linda, Lauletta, Gianfranco, Fiorilli, Massimo, Casato, Milvia, Ferri, Clodoveo, Pietrogrande, Maurizio, Pioltelli, Pietro Enrico, De Vita, Salvatore, Monti, Giuseppe, and Galli, Massimo

Published
2023
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34. Effects of varying types and amounts of herbivory and nutrient enrichment on a tropicalizing seagrass meadow

Author

Alexandra R. Rodriguez, Candela Marco-Méndez, Justin Campbell, and Kenneth L. Heck

Subjects
seagrass, sea urchin, green turtles, herbivory, grazing, Thalassia testudinum, Science, General. Including nature conservation, geographical distribution, QH1-199.5
Abstract

Climate change is impacting marine ecosystem community dynamics on a global scale. While many have assessed direct effects of climate change, indirect effects on marine ecosystems produced by biotic interactions remain poorly understood. For example, warming-induced range expansions and increased consumption rates of herbivores can lead to significant and unexpected changes in seagrass-dominated ecosystems. To better understand the threats tropicalization presents for the functioning of turtlegrass (Thalassia testudinum) meadows, we focused on the extensive turtlegrass beds of St. Joseph Bay, Florida in the northern Gulf of Mexico, a location with increasing numbers of tropically-associated green turtles. Our goals were to investigate experimentally how different grazing rates (natural and simulated),including high levels reflective of green turtle herbivory, coupled with nutrient supply, might alter turtlegrass structure and functioning in a higher latitude, subtropical turtlegrass meadow. We found that 4 months of varying levels of herbivory did not affect turtlegrass productivity, while 7 months of herbivory reduced percent cover, and 10 months reduced shoot density. Nutrient additions had few important effects. Ten months into the study, a massive recruitment of the herbivorous sea urchin (Lytechinus variegatus), whose densities reached 19 urchins/m2 completely overgrazed our study area and a large portion of the lush turtlegrass meadows of St. Joseph Bay. While local turtlegrass overgrazing had been previously noted at these urchin densities, a total loss of seagrass in such a large area has rarely ever been recorded. Overgrazing of the kind we observed, likely a result of both urchin and increasing green turtle grazing, can result in the loss of many key ecosystem services. As tropicalization continues, understanding how changes in biotic interactions, such as increased herbivory, affect higher latitude seagrass meadows will be necessary for their proper management and conservation.

Published
2022
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44. Changes in gut microbiota in the acute phase after spinal cord injury correlate with severity of the lesion

Author

Bazzocchi, Gabriele, Turroni, Silvia, Bulzamini, Maria Chiara, D’Amico, Federica, Bava, Angelica, Castiglioni, Mirco, Cagnetta, Valentina, Losavio, Ernesto, Cazzaniga, Maurizio, Terenghi, Laura, De Palma, Luisa, Frasca, Giuseppina, Aiachini, Beatrice, Cremascoli, Sonia, Massone, Antonino, Oggerino, Claudia, Onesta, Maria Pia, Rapisarda, Lucia, Pagliacci, Maria Cristina, Biscotto, Sauro, Scarazzato, Michele, Giovannini, Tiziana, Balloni, Mimosa, Candela, Marco, Brigidi, Patrizia, and Kiekens, Carlotte

Published
2021
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46. Seagrass Abundance Predicts Surficial Soil Organic Carbon Stocks Across the Range of Thalassia testudinum in the Western North Atlantic

Author

James W. Fourqurean, Justin E. Campbell, O. Kennedy Rhoades, Calvin J. Munson, Johannes R. Krause, Andrew H. Altieri, James G. Douglass, Kenneth L. Heck, Valerie J. Paul, Anna R. Armitage, Savanna C. Barry, Enrique Bethel, Lindsey Christ, Marjolijn J. A. Christianen, Grace Dodillet, Katrina Dutton, Thomas K. Frazer, Bethany M. Gaffey, Rachael Glazner, Janelle A. Goeke, Rancel Grana-Valdes, Olivier A. A. Kramer, Samantha T. Linhardt, Charles W. Martin, Isis Gabriela Martínez López, Ashley M. McDonald, Vivienne A. Main, Sarah A. Manuel, Candela Marco-Méndez, Duncan A. O’Brien, Owen O’Shea, Christopher J. Patrick, Clare Peabody, Laura K. Reynolds, Alex Rodriguez, Lucia M. Rodriguez Bravo, Amanda Sang, Yvonne Sawall, Fee O. H. Smulders, Jamie E. Thompson, Brigitta van Tussenbroek, William L. Wied, and Sara S. Wilson

Subjects
Decomposition, Blue carbon, Ecology, Nutrient limitation, Submerged aquatic vegetation, Sediment, Latitudinal gradients, Aquatic Science, Ecology, Evolution, Behavior and Systematics
Abstract

The organic carbon (Corg) stored in seagrass meadows is globally significant and could be relevant in strategies to mitigate increasing CO2 concentration in the atmosphere. Most of that stored Corg is in the soils that underlie the seagrasses. We explored how seagrass and soil characteristics vary among seagrass meadows across the geographic range of turtlegrass (Thalassia testudinum) with a goal of illuminating the processes controlling soil organic carbon (Corg) storage spanning 23° of latitude. Seagrass abundance (percent cover, biomass, and canopy height) varied by over an order of magnitude across sites, and we found high variability in soil characteristics, with Corg ranging from 0.08 to 12.59% dry weight. Seagrass abundance was a good predictor of the Corg stocks in surficial soils, and the relative importance of seagrass-derived soil Corg increased as abundance increased. These relationships suggest that first-order estimates of surficial soil Corg stocks can be made by measuring seagrass abundance and applying a linear transfer function. The relative availability of the nutrients N and P to support plant growth was also correlated with soil Corg stocks. Stocks were lower at N-limited sites than at P-limited ones, but the importance of seagrass-derived organic matter to soil Corg stocks was not a function of nutrient limitation status. This finding seemed at odds with our observation that labile standard substrates decomposed more slowly at N-limited than at P-limited sites, since even though decomposition rates were 55% lower at N-limited sites, less Corg was accumulating in the soils. The dependence of Corg stocks and decomposition rates on nutrient availability suggests that eutrophication is likely to exert a strong influence on carbon storage in seagrass meadows.

Published
2023

48. Variation in Fish Abundance, Diversity and Assemblage Structure in Seagrass Meadows across the Atlanto-Mediterranean Province

Author

Julia Máñez-Crespo, Fiona Tomas, Yolanda Fernández-Torquemada, Laura Royo, Fernando Espino, Laura Antich, Néstor E. Bosch, Inés Castejón, Gema Hernan, Candela Marco-Méndez, Ángel Mateo-Ramírez, Laura Pereda-Briones, Yoana Del Pilar-Ruso, Jorge Terrados, and Fernando Tuya

Subjects
ichthyofauna, community structure, Cymodocea nodosa, nearshore habitats, taxonomic diversity, functional diversity, Biology (General), QH301-705.5
Abstract

Seagrasses worldwide provide key habitats for fish assemblages. Biogeographical disparities in ocean climate conditions and seasonal regimes are well-known drivers of the spatial and temporal variation in seagrass structure, with potential effects on associated fish assemblages. Whether taxonomically disparate fish assemblages support a similar range of ecological functions remains poorly tested in seagrass ecosystems. In this study, we examined variation in the abundance, diversity (from a taxonomic and functional perspective), and assemblage structure of fish community inhabiting nine meadows of the seagrass Cymodocea nodosa across three regions in the Mediterranean (Mallorca and Alicante) and the adjacent Atlantic (Gran Canaria), and identified which attributes typifying the structure of meadows, and large-scale variability in ocean climate, contributed most to explaining such ecological variation. Despite a similar total number of species between Mallorca and Gran Canaria, the latter region had more taxonomically and functionally diverse fish assemblages relative to the western Mediterranean regions, which translated into differences in multivariate assemblage structure. While variation in the abundance of the most conspicuous fish species was largely explained by variation in seagrass structural descriptors, most variation in diversity was accounted for by a descriptor of ocean climate (mean seasonal SST), operating at regional scales. Variation in fish assemblage structure was, to a lesser extent, also explained by local variability in seagrass structure. Beyond climatic drivers, our results suggest that lower temporal variability in the canopy structure of C. nodosa meadows in Gran Canaria provides a more consistent source of food and protection for associated fish assemblages, which likely enhances the more abundant and diverse fish assemblages there.

Published
2022
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49. Application of multi-omic features clustering and pathway enrichment to clarify the impact of vitamin B2 supplementation on broiler caeca microbiome

Author

Mengucci, Carlo, primary, Rampelli, Simone, additional, Picone, Gianfranco, additional, Lucchi, Alex, additional, Litta, Gilberto, additional, Biagi, Elena, additional, Candela, Marco, additional, Manfreda, Gerardo, additional, Brigidi, Patrizia, additional, Capozzi, Francesco, additional, and De Cesare, Alessandra, additional

Published
2023
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50. Microbiome variation at the clam-sediment interface may explain changes in local productivity of Chamelea gallina in the North Adriatic Sea

Author

Trapella, Giulia, primary, Cinti, Nicolò, additional, Parma, Luca, additional, De Marco, Antonina, additional, Dell’Acqua, Andrea Nicolò, additional, Turroni, Silvia, additional, Rampelli, Simone, additional, Scicchitano, Daniel, additional, Iuffrida, Letizia, additional, Bonaldo, Alessio, additional, Franzellitti, Silvia, additional, Candela, Marco, additional, and Palladino, Giorgia, additional

Published
2023
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