Journal
ZOOLOGISCHER ANZEIGER
Volume 289, Issue -, Pages 26-34Publisher
ELSEVIER GMBH
DOI: 10.1016/j.jcz.2020.09.002
Keywords
Akodontini; Blarinomys; Cytogenetics; Karyotype; Morphometry; Intrapopulation variation
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior
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Despite its wide geographical distribution and habit specialization, Blarinomys breviceps is an understudied species. In this work, we analyzed for the first time the intrapopulation variation of the karyotype and cranial measurements of specimens collected in Minas Gerais state, Brazil. We described three new karyotypes with different diploid numbers due to the presence of B chromosomes (2n = 40, 2n = 41, and 2n = 42, with FN = 50), using conventional staining, GTGand CBG-banding, Ag-NOR, and FISH with a telomeric probe. In addition, morphometric analyses based on twenty-two quantitative cranial characters showed absence of sexual dimorphism contributing to future studies of geographic variation of the species. (c) 2020 Elsevier GmbH. All rights reserved.
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