Search Results - "Marais, Gabriel A. B."

On the rarity of dioecy in flowering plants by Käfer, Jos, Marais, Gabriel A. B., Pannell, John R.

“…Dioecy, the coexistence of separate male and female individuals in a population, is a rare but phylogenetically widespread sexual system in flowering plants…”
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The wild grape genome sequence provides insights into the transition from dioecy to hermaphroditism during grape domestication by Badouin, Hélène, Velt, Amandine, Gindraud, François, Flutre, Timothée, Dumas, Vincent, Vautrin, Sonia, Marande, William, Corbi, Jonathan, Sallet, Erika, Ganofsky, Jérémy, Santoni, Sylvain, Guyot, Dominique, Ricciardelli, Eugenia, Jepsen, Kristen, Käfer, Jos, Berges, Hélène, Duchêne, Eric, Picard, Franck, Hugueney, Philippe, Tavares, Raquel, Bacilieri, Roberto, Rustenholz, Camille, Marais, Gabriel A. B.

“…Abstract Background A key step in domestication of the grapevine was the transition from separate sexes (dioecy) in wild Vitis vinifera ssp. sylvestris ( V…”
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evolution of X chromosome inactivation in mammals: the demise of Ohno’s hypothesis? by Pessia, Eugénie, Engelstädter, Jan, Marais, Gabriel A. B

“…Ohno’s hypothesis states that dosage compensation in mammals evolved in two steps: a twofold hyperactivation of the X chromosome in both sexes to compensate…”
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Mammalian X chromosome inactivation evolved as a dosage-compensation mechanism for dosage-sensitive genes on the X chromosome by Pessia, Eugénie, Makino, Takashi, Bailly-Bechet, Marc, McLysaght, Aoife, Marais, Gabriel A. B.

“…How and why female somatic X-chromosome inactivation (XCI) evolved in mammals remains poorly understood. It has been proposed that XCI is a dosage-compensation…”
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Rapid de novo evolution of X chromosome dosage compensation in Silene latifolia, a plant with young sex chromosomes by Muyle, Aline, Zemp, Niklaus, Deschamps, Clothilde, Mousset, Sylvain, Widmer, Alex, Marais, Gabriel A B

“…Silene latifolia is a dioecious plant with heteromorphic sex chromosomes that have originated only ∼10 million years ago and is a promising model organism to…”
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Chromosomal redistribution of male-biased genes in mammalian evolution with two bursts of gene gain on the X chromosome by Zhang, Yong E, Vibranovski, Maria D, Landback, Patrick, Marais, Gabriel A B, Long, Manyuan

“…Mammalian X chromosomes evolved under various mechanisms including sexual antagonism, the faster-X process, and meiotic sex chromosome inactivation (MSCI)…”
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Sex differences in adult lifespan and aging rates of mortality across wild mammals by Lemaître, Jean-François, Ronget, Victor, Tidière, Morgane, Allainé, Dominique, Berger, Vérane, Cohas, Aurélie, Colchero, Fernando, Conde, Dalia A., Garratt, Michael, Liker, András, Marais, Gabriel A. B., Scheuerlein, Alexander, Székely, Tamás, Gaillard, Jean-Michel

“…In human populations, women consistently outlive men, which suggests profound biological foundations for sex differences in survival. Quantifying whether such…”
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Evolution of sex-biased gene expression in a dioecious plant by Zemp, Niklaus, Tavares, Raquel, Muyle, Aline, Charlesworth, Deborah, Marais, Gabriel A. B., Widmer, Alex

“…Separate sexes and sex-biased gene expression have repeatedly evolved in animals and plants, but the underlying changes in gene expression remain unknown…”
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Multiple nuclear gene phylogenetic analysis of the evolution of dioecy and sex chromosomes in the genus Silene by Marais, Gabriel A B, Forrest, Alan, Kamau, Esther, Käfer, Jos, Daubin, Vincent, Charlesworth, Deborah

“…In the plant genus Silene, separate sexes and sex chromosomes are believed to have evolved twice. Silene species that are wholly or largely hermaphroditic are…”
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Mutation rate and genome reduction in endosymbiotic and free-living bacteria by Marais, Gabriel A. B, Calteau, Alexandra, Tenaillon, Olivier

“…Genome reduction has been considered the hallmark of endosymbiotic bacteria, such as endocellular mutualists or obligatory pathogens until it was found exactly…”
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MareyMap: an R-based tool with graphical interface for estimating recombination rates by Rezvoy, Clément, Charif, Delphine, Guéguen, Laurent, Marais, Gabriel A.B.

“…Comparing genetic and physical maps (the so-called Marey map approach) is still the most widely used approach to estimate genome-wide recombination rates…”
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An efficient RNA-seq-based segregation analysis identifies the sex chromosomes of Cannabis sativa by Prentout, Djivan, Razumova, Olga, Rhoné, Bénédicte, Badouin, Hélène, Henri, Hélène, Feng, Cong, Käfer, Jos, Karlov, Gennady, Marais, Gabriel A B

“…-derived tetrahydrocannabinol (THC) production is increasing very fast worldwide. is a dioecious plant with XY Chromosomes, and only females (XX) are useful…”
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Plant genera Cannabis and Humulus share the same pair of well‐differentiated sex chromosomes by Prentout, Djivan, Stajner, Natasa, Cerenak, Andreja, Tricou, Theo, Brochier‐Armanet, Celine, Jakse, Jernej, Käfer, Jos, Marais, Gabriel A. B.

“…Summary We recently described, in Cannabis sativa, the oldest sex chromosome system documented so far in plants (12–28 Myr old). Based on the estimated age, we…”
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Structural, Functional, and Evolutionary Analysis of the Unusually Large Stilbene Synthase Gene Family in Grapevine by Parage, Claire, Tavares, Raquel, Réty, Stéphane, Baltenweck-Guyot, Raymonde, Poutaraud, Anne, Renault, Lauriane, Heintz, Dimitri, Lugan, Raphaël, Marais, Gabriel A.B., Aubourg, Sébastien, Hugueney, Philippe

“…Stilbenes are a small family of phenylpropanoids produced in a number of unrelated plant species, including grapevine (Vitis vinifera). In addition to their…”
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Comparative high-throughput transcriptome sequencing and development of SiESTa, the Silene EST annotation database by Blavet, Nicolas, Charif, Delphine, Oger-Desfeux, Christine, Marais, Gabriel A B, Widmer, Alex

“…The genus Silene is widely used as a model system for addressing ecological and evolutionary questions in plants, but advances in using the genus as a model…”
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Sex gap in aging and longevity: can sex chromosomes play a role? by Marais, Gabriel A B, Gaillard, Jean-Michel, Vieira, Cristina, Plotton, Ingrid, Sanlaville, Damien, Gueyffier, François, Lemaitre, Jean-Francois

“…It is well known that women live longer than men. This gap is observed in most human populations and can even reach 10-15 years. In addition, most of the known…”
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Mindfulness-Based Programs Improve Psychological Flexibility, Mental Health, Well-Being, and Time Management in Academics by Marais, Gabriel A B, Lantheaume, Sophie, Fiault, Robin, Shankland, Rebecca

“…(1) Background: Occupational stress is high in academia, and is partly related to time pressure. Mindfulness-based programs are known to be effective in…”
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MareyMap Online: A User-Friendly Web Application and Database Service for Estimating Recombination Rates Using Physical and Genetic Maps by Siberchicot, Aurélie, Bessy, Adrien, Guéguen, Laurent, Marais, Gabriel A B

“…Given the importance of meiotic recombination in biology, there is a need to develop robust methods to estimate meiotic recombination rates. A popular…”
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Footprints of inversions at present and past pseudoautosomal boundaries in human sex chromosomes by Lemaitre, Claire, Braga, Marilia D V, Gautier, Christian, Sagot, Marie-France, Tannier, Eric, Marais, Gabriel A B

“…The human sex chromosomes have stopped recombining gradually, which has left five evolutionary strata on the X chromosome. Y inversions are thought to have…”
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Specialization of a Drosophila Capping Protein Essential for the Protection of Sperm Telomeres by Dubruille, Raphaëlle, Orsi, Guillermo A., Delabaere, Lætitia, Cortier, Elisabeth, Couble, Pierre, Marais, Gabriel A.B., Loppin, Benjamin

“…A critical function of telomeres is to prevent fusion of chromosome ends by the DNA repair machinery. In Drosophila somatic cells, assembly of the protecting…”
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