Migration between nests in the Australian arid-zone ant Rhytidoponera sp. 12 revealed by DGGE analyses of mitochondrial DNA

被引：42

作者：

Tay, WT ^{[1
]}

Cook, JM ^{[1
]}

Rowe, DJ ^{[1
]}

Crozier, RH ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,ASCOT SL5 7PY,BERKS,ENGLAND

来源：

MOLECULAR ECOLOGY | 1997年 / 6卷 / 05期

关键词：

ponerine ant; Rhytidoponera sp. 12 (cf mayri); gamergates; polygyny; social structure; DGGE; migration; mtDNA polymorphisms; cytochrome;

D O I：

10.1046/j.1365-294X.1997.t01-1-00198.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：

Denaturing gradient gel electrophoresis (DGGE) of a PCR-amplified region of the mitochondrial DNA (mtDNA) including a large part of the cytochrome b gene revealed four haplotypes among worker ants from 75 colonies of the queenless ant Rhytidoponera sp. 12. The DGGE results were checked by sequencing examples of the haplotypes; all changes were transitions and two haplotypes differed by only a single substitution. Previous work (e.g. Crozier et al. 1984) showed that intranest relatedness is low for nuclear genes yet neighbouring nests are related; gene flow via winged males appeared the best explanation for this phenomenon. Two mtDNA haplotypes were found in 34.7% of the colonies studied, showing that female movement also occurs between nests. Migration of mated individuals on such a large scale when the number of reproductives is relatively small is unexpected (Crozier & Pamilo 1996). An observed tendency to clumping of the haplotypes is in accordance with the wingless nature of the female dispersers.

引用

页码：403 / 411

页数：9

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