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Background The genome of some vole rodents exhibit large blocks of heterochromatin coupled to their sex chromosomes. The DNA composition and transcriptional activity of these heterochromatin blocks have been studied, but little is known about their DNA replication dynamics and epigenetic composition. Results Here, we show prominent epigenetic marks of the heterochromatic blocks in the giant sex...
Arvicolid mitochondrial genomes evolve faster than in any other mammalian lineage. The genetic diversity exhibited by these rodents contrasts sharply with their phenotypic homogeneity. Furthermore, faecal droppings from Arvicolid rodents of similar body size are almost undistinguishable on the basis of pellet morphology and content. In this study, we advantaged from their high genetic diversity vs...
In the rodent species Microtus cabrerae, males as well as females present several copies of the SRY gene, a single-copy gene located on the Y chromosome in most mammals. Using different PCR approaches, we have characterized the sequence, structure, and organization of the SRY copies and their flanking regions distributed on the X and Y chromosomes of this species. All copies of SRY analyzed, including...
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