Postglacial colonization shows evidence for sympatric population splitting of Eurasian perch (Perca fluviatilis L.) in Lake Constance

被引:29
作者
Behrmann-Godel, J [1 ]
Gerlach, G
Eckmann, R
机构
[1] Univ Konstanz, Limnol Inst, D-78457 Constance, Germany
[2] Marine Biol Lab, Woods Hole, MA 02543 USA
关键词
control region; Europe; postglacial colonization; mtDNA; Perca fluviatilis L; sympatric differentiation;
D O I
10.1046/j.1365-294X.2003.02082.x
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
Previous microsatellite analysis showed that two subpopulations of perch (Perca fluviatilis L.) exist in Lake Constance. This raises questions of whether (i) Lake Constance was colonized by two populations that diverged in allopatry, or (ii) the two subpopulations diverged in sympatry. Sequence analysis of a 365 bp mtDNA fragment (5'-end of the D-loop) of perch from Lake Constance and adjacent waters revealed 10 haplotypes. We suggest colonization via the Danube river, based on the frequency and dispersion of haplotypes, and knowledge of the lake's palaeohydrological development. Pairwise F-ST-values using mitochondrial DNA sequences showed no significant population subdivision. Our study provides strong evidence that subpopulations of perch in Lake Constance have diverged in sympatry.
引用
收藏
页码:491 / 497
页数:7
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