Gammerdinger William J, Kocher Thomas D
Institute of Science and Technology (IST) Austria, Am Campus 1, 3400 Klosterneuburg, Austria.
Department of Biology, University of Maryland, College Park, MD 20742, USA.
Genes (Basel). 2018 Oct 4;9(10):480. doi: 10.3390/genes9100480.
African cichlids display a remarkable assortment of jaw morphologies, pigmentation patterns, and mating behaviors. In addition to this previously documented diversity, recent studies have documented a rich diversity of sex chromosomes within these fishes. Here we review the known sex-determination network within vertebrates, and the extraordinary number of sex chromosomes systems segregating in African cichlids. We also propose a model for understanding the unusual number of sex chromosome systems within this clade.
非洲丽鱼科鱼类展现出了各种各样显著的颌骨形态、色素沉着模式和交配行为。除了此前已记录的这种多样性之外，最近的研究还记录了这些鱼类中丰富多样的性染色体。在此，我们回顾了脊椎动物中已知的性别决定网络，以及在非洲丽鱼科鱼类中分离的大量性染色体系统。我们还提出了一个模型，用于理解这一进化枝中性染色体系统数量异常的情况。
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