POPULATION SUBDIVISION AND GENE FLOW IN DANISH HOUSE MICE

被引：67

作者：

DALLAS, JF

DOD, B

BOURSOT, P

PRAGER, EM

BONHOMME, F

机构：

[1] UNIV MONTPELLIER 2,GENOME & POPULAT LAB,CNRS,URA 1493,F-34095 MONTPELLIER,FRANCE

[2] UNIV CALIF BERKELEY,DIV BIOCHEM & MOLEC BIOL,BERKELEY,CA 94720

来源：

MOLECULAR ECOLOGY | 1995年 / 4卷 / 03期

关键词：

EFFECTIVE POPULATION SIZE; F-STATISTICS; MICROSATELLITES; MITOCHONDRIAL DNA;

D O I：

10.1111/j.1365-294X.1995.tb00224.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：

Genetic subdivision in local populations of the European house mite, Mus musculus domesticus and M. m. musculus, was analysed to study patterns of gene flow. The data consisted of frequencies of microsatellite alleles in 16 samples (250 individuals) from a total of II sites in Jutland, which included successive samples from three sites. Sequences of the control region of mitochondrial DNA in three successive samples from one site were also analysed. Microsatellite genotype frequencies within samples were close to Hardy-Weinberg expectations. Levels of microsatellite differentiation among samples (theta = 0.50-0.21) corresponded to limited gene flow at migration-drift equilibrium (N-m = 1-5). Weak isolation by distance for microsatellites in M. m. musculus suggested that gene flow tends to occur among neighbouring sites. Estimates of effective population size over a few generations were much lower than those corresponding to the long periods needed for arrival at mutation-drift equilibrium. This suggested that subpopulations had been influenced by gene flow since formation, or had originated recently from genetically diverse founders.

引用

页码：311 / 320

页数：10

共 56 条

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