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Your search keyword '"Modèles en biologie cellulaire et évolutive (MBCE)"' showing total 3 results
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3 results on '"Modèles en biologie cellulaire et évolutive (MBCE)"'

1. Mediterranean populations of the lesser white-toothed shrew (Crocidura suaveolens group): an unexpected puzzle of Pleistocene survivors and prehistoric introductions

Author

Vladimír Vohralík, Peter Vogel, Daniel Frynta, Jean-François Cosson, Rainer Hutterer, Petr Benda, Valérie Vogel, Sylvain Dubey, Elodie Magnanou, Department of Ecology and Evolution, Université de Lausanne = University of Lausanne (UNIL), Centre de Biologie pour la Gestion des Populations (UMR CBGP), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Université de Montpellier (UM)-Institut de Recherche pour le Développement (IRD [France-Sud])-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Modèles en biologie cellulaire et évolutive (MBCE), Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Department of zoology, Charles University [Prague] (CU), Department of Zoology, Natural History Museum [Oslo], University of Oslo (UiO)-University of Oslo (UiO), Section of Mammals, Zoologisches Forschungsmuseum Alexander Koenig, Université de Lausanne (UNIL), and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)

Subjects
0106 biological sciences, Pleistocene, Biogeography, PLEISTOCENE, 010603 evolutionary biology, 01 natural sciences, Mediterranean Basin, Time, 03 medical and health sciences, Species Specificity, Crocidura, biology.animal, MIDDLE EAST, HOLOCENE, Genetics, Animals, [SDV.BBM]Life Sciences [q-bio]/Biochemistry, Molecular Biology, 14. Life underwater, Endemism, Ecosystem, Phylogeny, Ecology, Evolution, Behavior and Systematics, Holocene, 030304 developmental biology, 0303 health sciences, Geography, biology, Fossils, Mediterranean Region, Ecology, Shrews, Shrew, Gene Amplification, Genetic Variation, Paleontology, DNA, ENDEMISM, MEDITERRANEAN ISLANDS, biology.organism_classification, MAMMALS, CROCIDURA SUAVEOLENS, Mediterranean Islands, DNA/genetics, DNA/isolation & purification, Shrews/classification, Shrews/genetics
Abstract

mail: sylvain.dubey@unil.ch; International audience; An earlier study revealed the strong phylogeographical structure of the lesser white-toothed shrew (Crocidura suaveolens group) within the northern Palaearctic. Here, we aim to reconstruct the colonization history of Mediterranean islands and to clarify the biogeography and phylogeographical relationships of the poorly documented Middle East region with the northern Palaearctic. We performed analyses on 998-bp-long haplotypes of the mitochondrial cytochrome b gene of 143 samples collected around the Mediterranean basin, including islands and the Middle East. The analyses suggest that the Cypriot shrew belongs to the rare group of relict insular Pleistocene mammal taxa that have survived to the present day. In contrast, the Cretan, Corsican and Menorcan populations were independently introduced from the Middle East during the Holocene. The phylogeographical structure of this temperate Palaearctic species within the Middle East appears to be complex and rich in diversity, probably reflecting fragmentation of the area by numerous mountain chains. Four deeply divergent clades of the C. suaveolens group occur in the area, meaning that a hypothetical contact zone remains to be located in central western Iran

Published
2007

2. Insights into spawning behavior and development of the european amphioxus (Branchiostoma lanceolatum)

Author

Aurelie Mignardot, Mathilde Paris, Jean-François Nicolas, Vincent Laudet, Ignacio Maeso, Jordi Garcia Fernandez, Laura Godoy, Mario Pestarino, Juan Pascual-Anaya, Estelle Hirsinger, Hector Escriva, Senda Jiménez-Delgado, Simona Candiani, Ricard Albalat, Anne Marie Genevière, Stéphanie Bertrand, Elia Benito, Michael Schubert, Salvatore D'Aniello, Philippe Vernier, Michael Fuentes, Nicholas D. Holland, Diana Oliveri, Modèles en biologie cellulaire et évolutive (MBCE), Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Departament de Genetica, Facultat de Biologia, Universitat de Barcelona (UB), BioSciences Lyon-Gerland (BLG), École normale supérieure de Lyon (ENS de Lyon)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Hospices Civils de Lyon (HCL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Développement, évolution et plasticité du système nerveux (DEPSN), Centre National de la Recherche Scientifique (CNRS), Institut de Neurobiologie Alfred Fessard (INAF), Dipartimento di Biologia, Università degli studi di Genova = University of Genoa (UniGe), Département de Biologie du Développement, Institut Pasteur [Paris] (IP), Marine Biology Research Division, Scripps Institution of Oceanography, University of California [San Diego] (UC San Diego), University of California (UC)-University of California (UC), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), École normale supérieure - Lyon (ENS Lyon)-Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Universita degli studi di Genova, Institut Pasteur [Paris], and University of California-University of California

Subjects
0106 biological sciences, Captivity, Chordate, Branchiostoma sp, 010603 evolutionary biology, 01 natural sciences, in vitro fertilizatio protocol, 03 medical and health sciences, BRANCHIOSTOMA LANCEOLATUM, Animal model, Chordata, Nonvertebrate, Genetics, Animals, 14. Life underwater, Animal Husbandry, Ecology, Evolution, Behavior and Systematics, 030304 developmental biology, Cephalochordate, 0303 health sciences, Branchiostoma lanceolatum, biology, Ecology, Reproduction, DEVELOPPEMENT, biology.organism_classification, Spawn (biology), EVOLUTION, Water temperature, Molecular Medicine, [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC], Animal Science and Zoology, amphioxus cell cultures, Developmental Biology
Abstract

The cephalochordate amphioxus (Branchiostoma sp.) is an important animal model for studying the evolution of chordate developmental mechanisms. Obtaining amphioxus embryos is a key step for these studies. It has been shown that an increase of 3-4 degrees C in water temperature triggers spawning of the European amphioxus (Branchiostoma lanceolatum) in captivity, however, very little is known about the natural spawning behavior of this species in the field. In this work, we have followed the spawning behavior of the European amphioxus during two spawning seasons (2004 and 2005), both in the field and in captivity. We show that animals in the field spawn approximately from mid-May through early July, but depending on the year, they show different patterns of spawning. Thus, even if temperature has a critical role in the induction of the spawning in captivity, it is not the major factor in the field. Moreover, we report some improvements on the methodology for inducing spawning in captivity (e.g. in maintenance, light cycle control and induction of spawning in a laboratory without running sea water system). These studies have important implications for amphioxus animal husbandry and for improving laboratory techniques to develop amphioxus as an experimental animal model. J. Exp. Zool. (Mol. Dev. Evol.) 308B, 2007. (c) 2007 Wiley-Liss, Inc.

Published
2007

3. Grazing impact of different heterotrophic nanoflagellates on eukaryotic (Ostreococcus tauri ) and prokaryotic picoautotrophs (Prochlorococcus and Synechococcus)

Author

Evaristo Vázquez-Domínguez, Claude Courties, Phillipe Lebaron, Urania Christaki, Helenic Centre for Marine Research, Hellenic Centre for Marine Research (HCMR), Modèles en biologie cellulaire et évolutive (MBCE), Observatoire océanologique de Banyuls (OOB), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'océanographie biologique de Banyuls (LOBB), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)

Subjects
0106 biological sciences, 010504 meteorology & atmospheric sciences, Population, Colony Count, Microbial, 01 natural sciences, Microbiology, Ostreococcus tauri, Ostreococcus, Chlorophyta, Botany, Animals, Seawater, 14. Life underwater, Autotroph, Picoplankton, education, Ecosystem, Ecology, Evolution, Behavior and Systematics, Prochlorococcus, 0105 earth and related environmental sciences, Synechococcus, [SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, education.field_of_study, Picoeukaryote, Behavior, Animal, biology, 010604 marine biology & hydrobiology, Eukaryota, Feeding Behavior, Flow Cytometry, biology.organism_classification, 3. Good health
Abstract

11 pages, 3 figures, 2 tables.-- PMID: 16011757 [PubMed], Autotrophic picoplankton (, This study was supported by the Greek–French collaboration programme PLATON attributed to the HCMR and the UMR CNRS 7628. E.V.D. was granted by the 2002–2003 C-RED Program (Generalitat de Catalunya)

Published
2005

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