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Survey of mitochondrial DNA haplotypes of Potamopyrgus antipodarum (Caenogastropoda: Hydrobiidae) introduced into Japan

机译:引入日本的Potamopyrgus antipodarum(Caenogastropoda:Hydrobiidae)的线粒体DNA单倍型调查

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摘要

Potamopyrgus antipodarum from 13 locations in central and western Japan were investigated for mitochondrial DNA haplotypes. Two haplotypes (JA and JB) were found based on an analysis of a 343-bp sequence of the cytochrome c oxidase subunit I gene. The JB type comprised two subhaplotypes (JB-I and JB-II), which were distinguishable by an additional sequence of 289 bp. Eleven populations were likely monomorphic in the mtDNA haplotype, while two populations, which were supposed to have been established recently, were polymorphic, encompassing JA and JB haplotypes. This result suggests that different haplotypes invaded Japan via different routes and that polymorphic populations were formed by colonization from more than one source population.
机译:研究了日本中部和西部地区13个地区的反倒热壶菌的线粒体DNA单倍型。根据对细胞色素C氧化酶亚基I基因343 bp序列的分析,发现了两种单倍型(JA和JB)。 JB类型包括两个亚单元型(JB-I和JB-II),可以通过289 bp的附加序列来区分。 mtDNA单倍型中有11个种群可能是单态的,而据认为最近建立的两个种群是多态的,包括JA和JB单倍型。这一结果表明,不同的单倍型通过不同的途径入侵日本,并且多态性种群是由来自多个来源种群的定殖形成的。

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