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首页> 外文期刊>Marine biology >Molecular phylogeny and population structure of tideland snails in the genus Cerithidea around Japan
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Molecular phylogeny and population structure of tideland snails in the genus Cerithidea around Japan

机译：日本各地的Cerithidea属潮汐蜗牛的分子系统发育和种群结构

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摘要

Phylogenetic relationships and genetic population structures were analyzed for tideland gastropods in the genus Cerithidea around Japan on the basis of partial sequence of the mitochondrial COI gene. Large genetic divergence was shown between individuals of Cerithidea cingulata in the southern Ryukyus and those in the central Ryukyus and the Japanese Islands. Haplotypes of C. cingulata from the Japanese Islands were paraphyletic with the exclusion of a monophyletic group from the central Ryukyus. Genetic differentiation of C. cingulata was also detected between Amami-Oshima Island and Okinawajima Island. No genetic divergence was found between Cerithidea rhizophorarum in the Japanese Islands and its subspecies C. rhizophorarum morchii in the Ryukyu Islands. The lack of genetic divergence of Cerithidea largillierti between continental China and Japan suggests relatively recent migration between the Japanese Islands and the Asian continent. For all three Cerithidea species distributed in both the Japanese Islands and the Ryukyu Islands, the Tokara Gap and the Kerama Gap were shown to have acted as barriers to the dispersal.
机译：根据线粒体COI基因的部分序列，分析了日本各地的Cerithidea属潮带腹足动物的亲缘关系和遗传种群结构。在Ryukyus南部和Ryukyus中部和日本群岛的Cerithidea cingulata个体之间显示出较大的遗传差异。来自日本列岛的扣带回单胞菌的单倍型是共生的，而中部琉球除外。在Am美大岛岛和冲绳岛之间也检测到了C. cingulata的遗传分化。在日本群岛的Cerithidea rhizophorarum与琉球群岛的C. rhizophorarum morchii亚种之间没有发现遗传差异。在中国大陆和日本之间缺乏Cerithidea largillierti的遗传差异，这表明日本群岛和亚洲大陆之间的迁徙相对较新。对于分布在日本群岛和琉球群岛上的所有三种塞雷西德亚物种，都显示了Tokara峡和Kerama峡是扩散的障碍。

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