The Colorful Sex Chromosomes of Teleost Fish.

The Colorful Sex Chromosomes of Teleost Fish.
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DOI:
10.3390/genes9050233
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发表时间:
2018-05-03
期刊:
影响因子:
3.5
通讯作者:
Schartl M
Schartl M
中科院分区:
生物学3区
文献类型:
--
作者:
Kottler VA;Schartl M

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硬骨鱼提供了一些最耐人寻味的有性二态着色的例子,这通常只对一种性别有利。作图研究表明,这种颜色模式背后的遗传基因座经常与物种的性别决定基因座紧密连锁,确保了相应性状的性别特异性表达。之前已经描述了几个影响颜色合成和色素细胞发育的基因,但性染色体上的颜色基因大多仍然难以捉摸。在这里,我们总结了目前关于硬骨鱼中这种颜色基因座的遗传知识,主要来自于对脊椎动物和叶蝉目动物的研究。对这些颜色基因座的进一步研究必将为性染色体的进化提供重要的见解。
Teleost fish provide some of the most intriguing examples of sexually dimorphic coloration, which is often advantageous for only one of the sexes. Mapping studies demonstrated that the genetic loci underlying such color patterns are frequently in tight linkage to the sex-determining locus of a species, ensuring sex-specific expression of the corresponding trait. Several genes affecting color synthesis and pigment cell development have been previously described, but the color loci on the sex chromosomes have mostly remained elusive as yet. Here, we summarize the current knowledge about the genetics of such color loci in teleosts, mainly from studies on poeciliids and cichlids. Further studies on these color loci will certainly provide important insights into the evolution of sex chromosomes.
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