Chromosome Polymorphism in Phyllomedusa rohdei Populations (Anura: Hylidae)

被引：15

作者：

Barth, Adriane ^{[1
]}

Sole, Mirco ^{[1
]}

Costa, Marco A. ^{[1
]}

机构：

[1] Univ Estadual Santa Cruz, Dept Ciencias Biol, BR-45662000 Ilheus, BA, Brazil

来源：

JOURNAL OF HERPETOLOGY | 2009年 / 43卷 / 04期

关键词：

NUCLEOLUS ORGANIZER REGIONS; INSITU HYBRIDIZATION; B-CHROMOSOME; AMPHIBIA; LEPTODACTYLIDAE; GENUS; CYTOGENETICS; HYLINAE; FROGS; HYLA;

D O I：

10.1670/08-210.1

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The range of Phyllomedusa rohdei was recently extended to the state of Bahia, Brazil. Cytogenetic analysis through conventional Giemsa staining and Ag-NOR banding of P. rohdei samples from two localities in the Atlantic Rainforest, state of Bahia revealed intraspecific karyotype variation. Although all individuals showed the diploid number of 2n = 26, variations in the karyotypic formula were observed. The greatest variation was found in the length of first chromosome pair. The Ag-NOR banding identified variability in the number of stained chromosomes, which ranged from two to four banded chromosomes per individual. The results revealed the preliminary stages of chromosomal differentiation within this species.

引用

页码：676 / 679

页数：4

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