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首页> 外文期刊>Zoological Science >Synonymy of Calyptogena solidissima with Calyptogena kawamurai(Bivalvia: Vesicomyidae) and Its Population Structure Revealed byMitochondrial DNA Sequences
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Synonymy of Calyptogena solidissima with Calyptogena kawamurai(Bivalvia: Vesicomyidae) and Its Population Structure Revealed byMitochondrial DNA Sequences

机译：线虫Calyptogena kawaissi（Bivalvia：Vesicomyidae）的同义词及其线粒体DNA序列揭示的种群结构

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摘要

Nucleotide sequences of part (1,101 bp) of the mitochondrial cytochrome oxidase c subunit I (COI) gene were determined for two specimens of Calyptogena kawamurai collected in Kashima Nada and Suruga Bay, respectively. These sequences were identical to each other and to those from many individuals of Calyptogena solidissima, i.e., 11 of 12 specimens from a seep area in Nankai Trough, two of 20 from hydrothermal-vent fields in Okinawa Trough, and one of 14 from a seep area on Kuroshima Knoll. The nucleotide sequences of the 5' part (about 700 bp) of the first internal transcribed spacer (ITS-1) also showed a close relationship between C. kawamurai and C. solidissima. The radiating threads on the shell surface that were emphasized in describing C. solidissima are not consistent throughout these local populations. Variation in cardinal dentition was confirmed to be intraspecific by observations of a series of specimens. The shell length-height and shell length-width relationships of both species all fit a single regression line. These results suggest that C. solidissima is a junior synonym of C. kawamurai. The populations of Nankai Trough, Okinawa Trough, and Kuroshima Knoll were shown to be diverging genetically from each other. Populations of Okinawa Trough and Kuroshima Knoll are suggested to have derived independently from the most common haplotype of Nankai Trough.
机译：分别确定了在鹿岛那田和骏河湾采集的两个川ly产Calyptogena kawamurai标本的线粒体细胞色素氧化酶C亚基I（COI）基因的一部分（1,101 bp）的核苷酸序列。这些序列彼此相同，也与许多实体Calyptogena solidissima的序列相同，即，南海海峡渗水区的12个标本中有11个，冲绳海槽热液通风田的20个中有两个，渗水14个中的一个黑岛丘陵地区。第一个内部转录间隔区（ITS-1）的5'部分（约700 bp）的核苷酸序列也显示出川村弯曲杆菌和固结线虫之间的紧密关系。在描述梭状芽孢杆菌时强调的壳表面辐射线在所有这些局部种群中并不一致。通过一系列标本的观察，证实了基本牙列的变化是种内的。两种物种的壳长-高度和壳长-宽关系都适合一条回归线。这些结果表明，C。solidissima是C.kawamurai的初级同义词。结果表明，南海海槽，冲绳海槽和黑岛诺尔岛的种群在遗传上存在差异。冲绳海槽和黑岛诺尔的种群被认为独立于南海海槽的最常见单倍型。

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