Historical biogeography of Drosophila simulans based on Y-chromosomal sequences
Historical biogeography of Drosophila simulans based on Y-chromosomal sequences
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DOI：
10.1016/j.ympev.2005.06.006
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发表时间：
2006-02-01
影响因子：
4.1
通讯作者：
Fu, J
中科院分区：
文献类型：
--
作者：
Kopp, A;Frank, A;Fu, J
Y染色体序列已被用于人类和其他哺乳动物的遗传地理学研究，但迄今为止，作为果蝇和其他具有X/Y性别决定的昆虫的历史信息来源，Y染色体序列一直被忽视。在这里，我们提出了第一个基于Y染色体的模拟果蝇的地理学研究。Y染色体单倍型的地理分布表明非洲内部以及非洲和世界性群体之间存在高度的人口细分。与早期基于常染色体和X连锁基因座的研究一致，我们的结果表明，D。simulans起源于马达加斯加或东非，该物种的南部和西部非洲种群是衍生的。(c)2005年爱思唯尔公司All rights reserved.
Y-chromosomal sequences have been used for phylogeographic studies in humans and other mammals, but so far have been ignored as a source of historical information in Drosophila and other insects with X/Y sex determination. Here, we present the first phylogeographic study of Drosophila simulans based on the Y chromosome. Geographic distribution of Y-chromosomal haplotypes suggests a high degree of population subdivision within Africa, as well as between the African and cosmopolitan groups of populations. Consistent with earlier studies based on autosomal and X-linked loci, our results suggest that D. simulans originated in Madagascar or East Africa, and that the South and West African populations of this species are derived. (c) 2005 Elsevier Inc. All rights reserved.