期刊
JOURNAL OF EVOLUTIONARY BIOLOGY
卷 15, 期 6, 页码 971-982出版社
WILEY
DOI: 10.1046/j.1420-9101.2002.00460.x
关键词
control region; grey partridge; introductions; mitochondrial DNA; Perdix perdix
For a phylogeographical analysis of European grey partridge (Perdix perdix) we sequenced 390 nucleotides of the 5 end of the mitochondrial control region (CR) of 227 birds from several localities. The birds were divided into two major clades (western and eastern) which differed in control region 1 (CR1) by 14 nucleotide substitutions (3.6%). For estimation of the time of divergence, the whole CR of 14 specimens was sequenced. The major clades differed by 2.2%, corresponding to an estimated coalescence time of c. 1.1 million years. On CR1, 45 haplotypes were found. Western clade haplotypes were found in France, England, Germany, Poland, Italy and Austria. Eastern clade haplotypes were found in Finland, Bulgaria, Greece, and Ireland. One Finnish population and all Bulgarian and Irish populations were mixed, but only in Bulgaria was the mixing assumed to be natural. Nucleotide and haplotype diversities varied between populations, and both clades showed geographical structuring. The distribution of pairwise nucleotide differences in the eastern clade fitted the expectations of an expanding population. About 80% of the genetic structure in the grey partridge could be explained by the clades. The western clade presumably originates on the Iberian Peninsula (with related subtypes in Italy), and the eastern clade either on the Balkan or Caucasian refugia. Largescale hand-rearing and releasing of western partridges have introduced very few mtDNA marks into the native eastern populations in Finland.
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