Abstract
In order to contribute to knowledge of colonization patterns in the rodent Calomys musculinus, a natural reservoir of the virus producing Argentine hemorrhagic fever (AHF), we studied the haplotype diversity of the mitochondrial DNA D-loop region in five natural populations from central Argentina. Digestion with eight restriction enzymes (RsaI, MseI, Tsp509I, AluI, AciI, HaeIII, NlaIII, and AseI) revealed polymorphism in the 1300 bp fragment amplified by PCR. Twenty different composite haplotypes were detected. Hierarchical analyses indicated that almost all variation (94%) is contained within local populations. Haplotypes 1 and 2, shared by all populations, were the most frequent. Nonsignificant genetic differentiation was found among populations of the endemic and nonendemic areas of AHF. All locations sampled presented exclusive haplotypes in spite of their geographic proximity, which would support previous observations indicating restricted gene flow among C. musculinus populations.
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Ittig, R.E.G., Gardenal, C.N. Haplotype Diversity of the Mitochondrial DNA D-Loop Region in Calomys musculinus (Rodentia, Muridae) Detected by PCR-RFLP. Biochem Genet 40, 293–302 (2002). https://doi.org/10.1023/A:1020250701882
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DOI: https://doi.org/10.1023/A:1020250701882