GALTIER Nicolas

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  • Institut des Sciences de l'Evolution, CNRS - UniversitĂ© Montpellier - IRD - EPHE, Montpellier, France
  • Bioinformatics & Computational Biology, Genome Evolution, Molecular Evolution, Phylogenetics / Phylogenomics, Population Genetics / Genomics
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3 recommendations

2019-07-10
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Population genomics supports clonal reproduction and multiple gains and losses of parasitic abilities in the most devastating nematode plant pest
Georgios D. Koutsovoulos, Eder Marques, Marie-Jeanne Arguel, Laurent Duret, Andressa C.Z. Machado, Regina M.D.G. Carneiro, Djampa K. Kozlowski, Marc Bailly-Bechet, Philippe Castagnone-Sereno, Erika V.S. Albuquerque, Etienne G.J. Danchin
10.1101/362129

Recommended by Nicolas Galtier based on reviews by 2 anonymous reviewers
The scandalous pest

Koutsovoulos et al. [1] have generated and analysed the first population genomic dataset in root-knot nematode Meloidogyne incognita. Why is this interesting? For two major reasons. First, M. incognita has been documented to be apomictic, i.e., to lack any form of sex. This is a trait of major evolutionary importance, with implications on species adaptive potential. The study of genome evolution in asexuals is fascinating and has the potential to inform on the forces governing the evolution ...

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2019-02-05
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The quiescent X, the replicative Y and the Autosomes
Guillaume Achaz, Serge Gangloff, Benoit Arcangioli
10.1101/351288

Recommended by Nicolas Galtier based on reviews by Robert Lanfear and Marc Robinson-Rechavi
Replication-independent mutations: a universal signature ?

Mutations are the primary source of genetic variation, and there is an obvious interest in characterizing and understanding the processes by which they appear. One particularly important question is the relative abundance, and nature, of replication-dependent and replication-independent mutations - the former arise as cells replicate due to DNA polymerization errors, whereas the latter are unrelated to the cell cycle. A recent experimental study in fission yeast identified a signature of mutatio...

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2017-11-10
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Rates of Molecular Evolution Suggest Natural History of Life History Traits and a Post-K-Pg Nocturnal Bottleneck of Placentals
Wu J, Yonezawa T, Kishino H.
https://doi.org/10.1016/j.cub.2017.08.043

Recommended by Nicolas Galtier and Belinda Chang
A new approach to DNA-aided ancestral trait reconstruction in mammals

Reconstructing ancestral character states is an exciting but difficult problem. The fossil record carries a great deal of information, but it is incomplete and not always easy to connect to data from modern species. Alternatively, ancestral states can be estimated by modelling trait evolution across a phylogeny, and fitting to values observed in extant species. This approach, however, is heavily dependent on the underlying assumptions, and typically results in wide confidence intervals.

An ...

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