Maëva Leitwein
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View article: Chromosome-scale genome sequences of two Charadriiformes species: <i>Scolopax rusticola</i> and <i>Lymnocryptes minimus</i>
Chromosome-scale genome sequences of two Charadriiformes species: <i>Scolopax rusticola</i> and <i>Lymnocryptes minimus</i> Open
We present high-quality genome assemblies of two snipes: the Eurasian Woodcock ( Scolopax rusticola ) and the Jack Snipe ( Lymnocryptes minimus ). Illumina and Nanopore sequencing were performed on fresh blood samples of wild specimens. Th…
View article: The Fate of a Polygenic Phenotype Within the Genomic Landscapes of Introgression in the European Seabass Hybrid Zone
The Fate of a Polygenic Phenotype Within the Genomic Landscapes of Introgression in the European Seabass Hybrid Zone Open
Unraveling the evolutionary mechanisms and consequences of hybridization is a major concern in biology. Many studies have documented the interplay between recombination and selection in modulating the genomic landscape of introgression, bu…
View article: Reduced fitness associated with introgression within the Western Mediterranean admixed population of European seabass
Reduced fitness associated with introgression within the Western Mediterranean admixed population of European seabass Open
Unraveling the consequences of hybridization on fitness is of main concern in ecology and evolution. Many studies report how evolutionary mechanisms modulate the mosaic of introgression within genomes but few assessed the associated effect…
View article: Can we combine genetics and two-step temperature control to move towards monosex European sea bass Dicentrarchus labrax?
Can we combine genetics and two-step temperature control to move towards monosex European sea bass Dicentrarchus labrax? Open
Aquaculture Europe 22, Innovative solutions in a changing world, 27-30 September 2022, Rimini, Italy
View article: Redundancy analysis, genome‐wide association studies and the pigmentation of brown trout (<i>Salmo trutta</i> L.)
Redundancy analysis, genome‐wide association studies and the pigmentation of brown trout (<i>Salmo trutta</i> L.) Open
The association of molecular variants with phenotypic variation is a main issue in biology, often tackled with genome‐wide association studies (GWAS). GWAS are challenging, with increasing, but still limited, use in evolutionary biology. W…
View article: Strong Parallel Differential Gene Expression Induced by Hatchery Rearing Weakly Associated with Methylation Signals in Adult Coho Salmon (<i>O. kisutch</i>)
Strong Parallel Differential Gene Expression Induced by Hatchery Rearing Weakly Associated with Methylation Signals in Adult Coho Salmon (<i>O. kisutch</i>) Open
Human activities and resource exploitation led to a massive decline of wild salmonid populations, consequently, numerous conservation programs have been developed to supplement wild populations. However, many studies documented reduced fit…
View article: Associative Overdominance and Negative Epistasis Shape Genome-Wide Ancestry Landscape in Supplemented Fish Populations
Associative Overdominance and Negative Epistasis Shape Genome-Wide Ancestry Landscape in Supplemented Fish Populations Open
The interplay between recombination rate, genetic drift and selection modulates variation in genome-wide ancestry. Understanding the selective processes at play is of prime importance toward predicting potential beneficial or negative effe…
View article: Epigenomic modifications induced by hatchery rearing persist in germ line cells of adult salmon after their oceanic migration
Epigenomic modifications induced by hatchery rearing persist in germ line cells of adult salmon after their oceanic migration Open
Human activities induce direct or indirect selection pressure on natural population and may ultimately affect population's integrity. While numerous conservation programs aimed to minimize human‐induced genomic variation, human‐induced env…
View article: Genome-wide DNA methylation predicts environmentally-driven life history variation in a marine fish
Genome-wide DNA methylation predicts environmentally-driven life history variation in a marine fish Open
The molecular mechanisms underlying intraspecific variation in life history strategies are still poorly understood, despite the importance of this question for understanding of organism’s responses to environmental variability. Theoretical…
View article: Spotting genome-wide pigmentation variation in a brown trout admixture context
Spotting genome-wide pigmentation variation in a brown trout admixture context Open
Variation in body pigmentation attracted fish biologists for a while, but high-throughput genomic studies investigating its molecular basis remain limited to few species and associated conservation issues ignored. Using 75,684 SNPs, we exp…
View article: The role of recombination on genome-wide patterns of local ancestry exemplified by supplemented Brook Charr populations
The role of recombination on genome-wide patterns of local ancestry exemplified by supplemented Brook Charr populations Open
Assessing the immediate and long-term evolutionary consequences of human-mediated hybridization is of major concern for conservation biology. Several studies have documented how selection in interaction with recombination modulates introgr…
View article: Development of a large SNPs resource and a low-density SNP array for brown trout (Salmo trutta) population genetics
Development of a large SNPs resource and a low-density SNP array for brown trout (Salmo trutta) population genetics Open
The novel resources provided here opens new perspectives for universality and genome-wide studies in brown trout populations.
View article: Adaptive and maladaptive genetic diversity in small populations; insights from the Brook Charr (<i>Salvelinus fontinalis)</i>case study
Adaptive and maladaptive genetic diversity in small populations; insights from the Brook Charr (<i>Salvelinus fontinalis)</i>case study Open
Investigating the relative importance of neutral versus selective processes governing the accumulation of genetic variants is a key goal in evolutionary biology. This is particularly true in the context of small populations, where genetic …
View article: Genomic consequences of a recent three-way admixture in supplemented wild brown trout populations revealed by ancestry tracts
Genomic consequences of a recent three-way admixture in supplemented wild brown trout populations revealed by ancestry tracts Open
Understanding the evolutionary consequences of human-mediated introductions of domestic strains into the wild and their subsequent admixture with natural populations is of major concern in conservation biology. In the brown trout Salmo tru…
View article: A Dense Brown Trout ( <i>Salmo trutta</i> ) Linkage Map Reveals Recent Chromosomal Rearrangements in the <i>Salmo</i> Genus and the Impact of Selection on Linked Neutral Diversity
A Dense Brown Trout ( <i>Salmo trutta</i> ) Linkage Map Reveals Recent Chromosomal Rearrangements in the <i>Salmo</i> Genus and the Impact of Selection on Linked Neutral Diversity Open
High-density linkage maps are valuable tools for conservation and eco-evolutionary issues. In salmonids, a complex rediploidization process consecutive to an ancient whole genome duplication event makes linkage maps of prime importance for…
View article: Ancestry and adaptive evolution of anadromous, resident, and adfluvial rainbow trout (<i>Oncorhynchus mykiss</i>) in the San Francisco bay area: application of adaptive genomic variation to conservation in a highly impacted landscape
Ancestry and adaptive evolution of anadromous, resident, and adfluvial rainbow trout (<i>Oncorhynchus mykiss</i>) in the San Francisco bay area: application of adaptive genomic variation to conservation in a highly impacted landscape Open
The streams draining of into San Francisco Bay, California, have been impacted by habitat alteration for over 150 years, and roads, dams, water diversions, and other impediments now block the paths of many aquatic migratory species. These …