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We have previously shown that members of the family of testis‐specific serine/threonine kinases (TSSKs) are post‐meiotically expressed in testicular germ cells and in mature sperm in mammals. The restricted post‐meiotic expression of TSSKs as well as the importance of phosphorylation in signaling processes strongly suggest that TSSKs have an important role in germ cell differentiation and/or sperm...
Tuco-tucos (small subterranean rodents of the genus Ctenomys) that inhabit sandy soils of the area under the influence of the second largest wetland of South America, in Northeastern Argentina (Corrientes province), are a complex of species and forms whose taxonomic status were not defined, nor are the evolutionary relationships among them. The tuco-tuco populations of this area exhibit one of the...
On the basement of the library model of satellite DNA evolution is the differential amplification of subfamilies through lineages diversification. However, this idea has rarely been explored from an experimental point of view. In the present work, we analyzed copy number and sequence variability of RPCS (repetitive PvuII Ctenomys sequence), the major satellite DNA present in the genomes of the rodents...
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