The Common Shrew Gene Map
نویسندگان
چکیده
منابع مشابه
The Common Shrew Gene Map.
Among mammals, gene mapping efforts have concentrated mainly on humans and house mice. However, although studies of these 2 species can add much to our understanding of eutherian genome evolution (for example, Ehrlich and others 1997), it is important to expand the range of species to be examined for a more complete picture of the genomic changes that have occurred during the eutherian radiatio...
متن کاملRecombination map of the common shrew, Sorex araneus (Eulipotyphla, Mammalia).
The Eurasian common shrew (Sorex araneus L.) is characterized by spectacular chromosomal variation, both autosomal variation of the Robertsonian type and an XX/XY(1)Y(2) system of sex determination. It is an important mammalian model of chromosomal and genome evolution as it is one of the few species with a complete genome sequence. Here we generate a high-precision cytological recombination ma...
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Sorex araneus, the Common shrew, is a species with more than 70 karyotypic races, many of which form parapatric hybrid zones, making it a model for studying chromosomal speciation. Hybrids between races have reduced fitness, but microsatellite markers have demonstrated considerable gene flow between them, calling into question whether the chromosomal barriers actually do contribute to genetic d...
متن کاملA morphometric study of the amygdala in the common shrew.
The characteristic features of the common shrew amygdala (CA), as shown by volumetric comparisons of the individual nuclei, are the poor development of the lateral (LA) and basomedial (BM) nuclei as well as the particularly strong formation of the basolateral (BL) and lateral olfactory tract (NLOT) nuclei. The central (CE), cortical (CO) and medial (ME) nuclei are also well organised in this sp...
متن کاملStudy of male–mediated gene flow across a hybrid zone in the common shrew (Sorex araneus) using Y chromosome
Despite many studies, the impact of chromosome rearrangements on gene flow between chromosome races of the common shrew (Sorex araneus Linnaeus, 1758) remains unclear. Interracial hybrids form meiotic chromosome complexes that are associated with reduced fertility. Nevertheless comprehensive investigations of autosomal and mitochondrial markers revealed weak or no barrier to gene flow between c...
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ژورنال
عنوان ژورنال: ILAR Journal
سال: 1998
ISSN: 1084-2020
DOI: 10.1093/ilar.39.2-3.195