来自挪威和斯瓦尔巴群岛驯鹿的格鲁内奥斯特线虫和北极奥斯特线虫（线虫纲：奥斯特线虫亚科）为同种的DNA证据。
DNA evidence that Ostertagia gruehneri and Ostertagia arctica (Nematoda: ostertagiinae) in reindeer from Norway and Svalbard are conspecific.
作者信息
Dallas J F, Irvine R J, Halvorsen O
机构信息
NERC Molecular Genetics in Ecology Initiative, Department of Zoology, University of Aberdeen, UK.
出版信息
Int J Parasitol. 2000 Apr 24;30(5):655-8. doi: 10.1016/s0020-7519(00)00028-x.
DNA sequences of ITS-1 and ITS-2 of rDNA were determined for 16 individual adult males each of Ostertagia gruehneri and Ostertagia arctica from Svalbard reindeer (Rangifer tarandus platyrhynchus) and Eurasian tundra reindeer (R. t. tarandus). Each ITS was virtually identical in O. gruehneri and O. arctica and the three mixed bases detected were shared by both species. Our results strongly suggest that O. gruehneri and O. arctica are dimorphic males of the same species.
对来自斯瓦尔巴德驯鹿（Rangifer tarandus platyrhynchus）和欧亚苔原驯鹿（R. t. tarandus）的格鲁内氏奥斯特他线虫（Ostertagia gruehneri）和北极奥斯特他线虫（Ostertagia arctica）的16只成年雄性个体，分别测定了核糖体DNA的ITS-1和ITS-2的DNA序列。在格鲁内氏奥斯特他线虫和北极奥斯特他线虫中，每个ITS实际上是相同的，并且检测到的三个混合碱基为两个物种所共有。我们的结果有力地表明，格鲁内氏奥斯特他线虫和北极奥斯特他线虫是同一物种的二态雄性。
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