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Karyotypes and Ag‐NORs in Phyllomedusa camba De La Riva, 1999 and P. rhodei Mertens, 1926 (Anura, Hylidae, Phyllomedusinae): cytotaxonomic considerations

2009; Taylor & Francis; Volume: 77; Issue: 1 Linguagem: Inglês

10.1080/11250000903187585

1748-5851

C. R. Paiva, Juliana Damieli Nascimento, A. P. Z. Silva, Paulo Sérgio Bernarde, Fernando Ananias,

Parasite Biology and Host Interactions

The karyotypes of Phyllomedusa camba De La Riva, Citation1999 and P. rhodei Mertens, 1926 are presented and the chromosome pairs with Ag‐NORs are identified. Both karyotypes have 2n = 26 chromosomes with similar morphology, an exception being the presence of three acrocentric pairs in P. camba. In this species the Ag‐NORs are found in the proximal region of pairs 1 and 5 whilst in P. rhodei an extensive inter‐individual variation was observed in the number and position of the Ag‐NORs (1p, 3q, 5p, 8p, 11q, and 12q). Based on comparative cytogenetic data of P. camba and P. rhodei, we discuss the phenetic groups proposed for Phyllomedusa genus.