Sex-linked markers and microsatellite locus duplication in the cichlid species Oreochromis tanganicae |
| |
Authors: | Cnaani Avner Kocher Thomas D |
| |
Institution: | Department of Poultry and Aquaculture, Institute of Animal Science, Agricultural Research Organization, Bet-Dagan 50250, Israel. avnerc@volcani.agri.gov.il |
| |
Abstract: | Cichlid species of the genus Oreochromis vary in their genetic sex-determination systems. In this study, we used microsatellite DNA markers to characterize the sex-determination system in Oreochromis tanganicae. Markers on linkage group 3 were associated with phenotypic sex, with an inheritance pattern typical of a female heterogametic species (WZ-ZZ). Further, locus duplication was observed for two separate microsatellite markers on the sex chromosome. These results further advance our understanding of the rapidly evolving sex-determination systems among these closely related tilapia species. |
| |
Keywords: | sex determination sex chromosomes tilapia |
本文献已被 PubMed 等数据库收录! |
|