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Sylvie Rétaux
Centre national de la recherche scientifique
AnatomyCavefishForebrainGeneticsBiology
95Publications
34H-index
3,046Citations
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Publications 97
Newest
#1Constance Pierre (CNRS: Centre national de la recherche scientifique)
#2Naomie Pradere (CNRS: Centre national de la recherche scientifique)
Last. Sylvie Rétaux (CNRS: Centre national de la recherche scientifique)H-Index: 34
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The neurotransmitter serotonin controls a great variety of physiological and behavioral processes. In humans, mutations affecting the monoamine oxidase or MAO, the serotonin-degrading enzyme, are highly deleterious. Yet, blind cavefish of the species A. mexicanus carry a partial loss-of-function mutation in MAO (P106L) and seem to thrive in their subterranean environment. Here, we established 4 fish lines, corresponding to the blind cave-dwelling and the sighted river-dwelling morphs of this spe...
Source
#1Maxime Policarpo (Université Paris-Saclay)H-Index: 1
#2Julien Fumey (Université Paris-Saclay)H-Index: 3
Last. Christophe KloppH-Index: 36
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Evolution sometimes proceeds by loss, especially when structures and genes become dispensable after an environmental shift relaxing functional constraints. Gene decay can serve as a read-out of this evolutionary process. Animals living in the dark are outstanding models, in particular cavefishes as hundreds of species evolved independently during very different periods of time in absence of light. Here, we sought to understand some general principals on the extent and tempo of decay of several g...
1 CitationsSource
#1Lucie MarandelH-Index: 11
Last. Sylvie RétauxH-Index: 34
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Source
#1Lucie Marandel (University of Pau and Pays de l'Adour)H-Index: 1
#2Elisabeth Plagnes-Juan (University of Pau and Pays de l'Adour)
Last. Sylvie Rétaux (Université Paris-Saclay)H-Index: 34
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Astyanax mexicanus has gained importance as a laboratory model organism for evolutionary biology. However, little is known about its intermediary metabolism, and feeding regimes remain variable bet...
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#1Jorge Torres-Paz (Université Paris-Saclay)H-Index: 2
#1Jorge Torres-Paz (CNRS: Centre national de la recherche scientifique)H-Index: 1
Last. Sylvie Rétaux (Université Paris-Saclay)H-Index: 34
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Sequential developmental events, starting from the moment of fertilization, are crucial for the acquisition of animal body plan. Subtle modifications in such early events are likely to have a major impact in later morphogenesis, bringing along morphological diversification. Here, comparing the blind cave and the surface morphotypes of Astyanax mexicanus fish, we found heterochronies during gastrulation, producing organizer and axial mesoderm tissues with different properties, including differenc...
2 CitationsSource
#1Jorge Torres-Paz (Université Paris-Saclay)H-Index: 2
#2Julien Leclercq (Université Paris-Saclay)H-Index: 1
Last. Sylvie Rétaux (Université Paris-Saclay)H-Index: 34
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Source
Last. Yann GuiguenH-Index: 39
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Characterization of the sex determining system(s) of the Mexican tetra, Astyanax mexicanus. Paradigm shift in sex chromosome evolution
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#1Carole Hyacinthe (Université Paris-Saclay)H-Index: 5
#2Joël Attia (University of Lyon)H-Index: 2
Last. Sylvie Rétaux (Université Paris-Saclay)H-Index: 34
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Acoustic communication allows the exchange of information within specific contexts and during specific behaviors. The blind, cave-adapted and the sighted, river-dwelling morphs of the species Astyanax mexicanus have evolved in markedly different environments. During their evolution in darkness, cavefish underwent a series of morphological, physiological and behavioral changes, allowing the study of adaptation to drastic environmental change. Here we discover that Astyanax is a sonic species, in ...
8 CitationsSource
#1Lucie Devos (Université Paris-Saclay)H-Index: 4
#2Florent Klee (Université Paris-Saclay)H-Index: 1
Last. Sylvie Rétaux (Université Paris-Saclay)H-Index: 34
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The morphogenesis of the vertebrate eye consists of a complex choreography of cell movements, tightly coupled to axial regionalization and cell type specification processes. Any disturbance in these events can lead to developmental defects and blindness. Here we have deciphered the sequence of defective events leading to coloboma phenotype in the embryonic eye of the blind cavefish of the species Astyanax mexicanus. Using comparative live imaging on targeted enhancer-trap Zic1:hsp70:GFP reporter...
2 CitationsSource
#2Amaury HerpinH-Index: 7
Last. Yann GuiguenH-Index: 39
view all 7 authors...
Micro-evolution of sex determination mechanisms and sex determining genes in the cavefish Astyanax mexicanus. 1. European Symposium on Sex Determination in Vertebrates
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