Cytogenetic study of Leptodactylus fuscus and L. latrans (Anura: Leptodactylidae) from the semiarid Brazilian Caatinga scrublands

被引：0

作者：

de Oliveira, Betejane ^{[1
]}

Moraes, Maysa S. S. ^{[2
]}

Dertonio, Daniel ^{[2
]}

Faria, Renato G. ^{[3
]}

Pantaleao, Silmara M. ^{[2
]}

机构：

[1] Univ Fed Sergipe, Programa Posgrad Ecol & Conservacao, BR-49100000 Sao Cristovao, SE, Brazil

[2] Univ Fed Sergipe, Dept Biol, Lab Genet & Conservacao Recursos Nat, BR-49100000 Sao Cristovao, SE, Brazil

[3] Univ Fed Sergipe, Dept Biol, Lab Vertebrados Herpetol Ictiol, BR-49100000 Sao Cristovao, SE, Brazil

来源：

PHYLLOMEDUSA | 2013年 / 12卷 / 02期

关键词：

amphibians; chromosomes; C-bands; Ag-NOR; NUCLEOLUS ORGANIZER REGIONS; AMPHIBIA; KARYOTYPE; FITZINGER; FROGS;

D O I：

暂无

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Frogs in the family Leptodactylidae have diploid chromosome numbers ranging from 2n = 18 to 2n = 26, although there is a predominance of 2n = 22 karyotypes. In the present study, 52 specimens of Leptodactylus fuscus and Leptodactylus latrans were obtained from three municipalities (Carira, Pogo Redondo, and Tobias Barreto) of the Brazilian state of Sergipe for karyotype analysis using conventional Giemsa staining techniques, and C- and Ag-NOR banding of the chromosomes obtained from the intestinal epithelium. The results of this study show that the individuals analyzed have highly similar karyotypes, with no evidence of any pronounced species-specific markers. However, some differences were observed in the chromosome morphology and C-bands in comparison with the karyotypes described previously for these species, which may represent intraspecific geographic variation in both taxa.

引用

页码：125 / 133

页数：9

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