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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Characterization of sex chromosomes in three deeply diverged species of Pseudocrenilabrinae (Teleostei: Cichlidae)
Author(s): Gammerdinger, William J
Conte, Matthew A
Sandkam, Benjamin A
Penman, David J
Kocher, Thomas D
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Keywords: Sex chromosome evolution
Oreochromis mossambicus
Coptodon zillii
Pelmatolapia mariae
Issue Date: 1-Apr-2019
Date Deposited: 5-Nov-2018
Citation: Gammerdinger WJ, Conte MA, Sandkam BA, Penman DJ & Kocher TD (2019) Characterization of sex chromosomes in three deeply diverged species of Pseudocrenilabrinae (Teleostei: Cichlidae). Hydrobiologia, 832 (1), pp. 397-408.
Abstract: The African cichlid radiations have created thousands of new cichlid species with a wide diversity of trophic morphologies, behaviors, sensory systems, and pigment patterns. In addition, recent research has uncovered a surprising number of young sex chromosome systems within African cichlids. Here, we refine methods to describe the differentiation of young sex chromosomes from whole genome comparisons. We identified a novel XY sex chromosome system on linkage group 14 in Oreochromis mossambicus, confirmed a linkage group 1 XY system in Coptodon zillii, and also defined the limits of our methodology by examining a ZW system on linkage group 3 in Pelmatolapia mariae. These data further demonstrate that cichlids are an excellent model system for understanding the early stages of sex chromosome evolution.
DOI Link: 10.1007/s10750-018-3778-6
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