Huxley's line demarcates extensive genetic divergence between eastern and western forms of the giant freshwater prawn, Macrobrachium rosenbergii

被引：77
作者：
de Bruyn, M [1 ]
Wilson, JA [1 ]
Mather, PB [1 ]
机构：
[1] Univ Queensland, Sch Nat Resource Sci, Brisbane, Qld 4001, Australia
来源：
MOLECULAR PHYLOGENETICS AND EVOLUTION | 2004年 / 30卷 / 01期
关键词：
Macrobrachium rosenbergii; decapod crustacean; 16S; mtDNA; Huxley's line; Wallace's line; phylogenetics; biogeography;
D O I：
10.1016/S1055-7903(03)00176-3
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Phylogenetic analysis of representatives from 18 wild populations of the giant freshwater prawn, Macrobrachium rosenbergii, utilising a fragment of the 16S rRNA mitochondrial gene, identified two major reciprocally monophyletic clades either side of a well-known biogeographic barrier, Huxley's line. The level of divergence between the two clades (maximum 6.2%) far exceeds divergence levels within either clade (maximum 0.9%), and does not concord with geographical distance among sites. 'Eastern' and 'western' M. rosenbergii clades have probably been separated since Miocene times. Within-clade diversity appears to have been shaped by dispersal events influenced by eustatic change. (C) 2003 Elsevier Science (USA). All rights reserved.
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页码：251 / 257
页数：7
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