Population structure of the black tiger prawn, Penaeus monodon, among western Indian Ocean and western Pacific populations
Population structure of the black tiger prawn, Penaeus monodon, among western Indian Ocean and western Pacific populations
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DOI：
10.1007/s002270050586
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发表时间：
1999-09-01
期刊：
影响因子：
2.4
通讯作者：
Palumbi, SR
中科院分区：
文献类型：
--
作者：
Duda, TF;Palumbi, SR
本文通过分析1997年冬春采集的印度洋-西太平洋黑虎对虾（Penaeus monodon Fabricius, 1798）标本中延伸因子1- α内含子序列的地理分布，对其种群结构进行了研究。等位基因的分子系统发育和f统计表明，西印度洋和西太平洋的种群之间存在很强的分化。这种模式与最近对该地区海洋物种的其他研究一致，这意味着印度-澳大利亚群岛代表了印度-西太平洋种群之间的生物地理断裂。西印度洋种群的f - st值也表明了该区域内的结构，而西太平洋种群中没有发现结构。西印度洋种群的核苷酸多样性明显低于西太平洋种群，这意味着种群在人口统计学历史上存在区域差异。
We examined the population structure of the black tiger prawn, Penaeus monodon Fabricius, 1798, in the Indo-West Pacific by analyzing the geographic distribution of elongation factor 1-alpha intron sequences from specimens collected during the winter and spring of 1997. Both the molecular phylogeny of alleles and F-statistics indicated very strong differentiation between populations from the western Indian Ocean and western Pacific. This pattern is concordant with other recent studies of marine species in this region, implying that the Indo-Australian Archipelago represents a biogeographic break between populations in the Indo-West Pacific. F-ST-values among populations in the western Indian Ocean also indicate structure within this region, whereas no structure was found among western Pacific populations. Nucleotide diversity was significantly lower in the western Indian Ocean populations than in the western Pacific, implying that the populations have regional differences in demographic history.