René M. Malenfant
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View article: Characterization of the TyrR Regulon in the Rhizobacterium Enterobacter ludwigii UW5 Reveals Overlap with the CpxR Envelope Stress Response
Characterization of the TyrR Regulon in the Rhizobacterium Enterobacter ludwigii UW5 Reveals Overlap with the CpxR Envelope Stress Response Open
Genome-wide RNA sequencing revealed a broader regulatory role for the TyrR transcription factor in the ecologically versatile bacterium Enterobacter ludwigii beyond that of aromatic amino acid synthesis and transport that constitute the ro…
View article: Variance in lifetime reproductive success of male polar bears
Variance in lifetime reproductive success of male polar bears Open
Despite the important role that population density plays in ecological and evolutionary processes, studies of solitary species that occur at low densities remain scarce. In the context of mating systems, density is expected to influence th…
View article: Population genomics reveals historical divergence and local adaptation in polar bears
Population genomics reveals historical divergence and local adaptation in polar bears Open
Single-nucleotide polymorphisms (SNPs) have numerous advantages over microsatellites, including greater power to infer population structure and history and to detect loci undergoing selection. Here, we conduct the first continental-level S…
View article: Assessing polar bear (<i>Ursus maritimus</i>) population structure in the Hudson Bay region using <scp>SNP</scp>s
Assessing polar bear (<i>Ursus maritimus</i>) population structure in the Hudson Bay region using <span>SNP</span>s Open
Defining subpopulations using genetics has traditionally used data from microsatellite markers to investigate population structure; however, single‐nucleotide polymorphisms ( SNP s) have emerged as a tool for detection of fine‐scale struct…
View article: Circumpolar Genetic Structure and Recent Gene Flow of Polar Bears: A Reanalysis
Circumpolar Genetic Structure and Recent Gene Flow of Polar Bears: A Reanalysis Open
Recently, an extensive study of 2,748 polar bears (Ursus maritimus) from across their circumpolar range was published in PLOS ONE, which used microsatellites and mitochondrial haplotypes to apparently show altered population structure and …
View article: Population Genomics and Quantitative Genetics of Polar Bears (Ursus maritimus)
Population Genomics and Quantitative Genetics of Polar Bears (Ursus maritimus) Open
Polar bears (Ursus maritimus) were among the first large mammals to be assessed for genetic variation in the wild, and they remain a common subject of genetics studies. Although recent advances in genotyping technology have allowed for mor…