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首页> 外文期刊>Journal of Parasitology >MITOCHONDRIAL DNA OF ANISAKIS SIMPLEX SS AS A POTENTIAL TOOL FOR DIFFERENTIATING POPULATIONS
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MITOCHONDRIAL DNA OF ANISAKIS SIMPLEX SS AS A POTENTIAL TOOL FOR DIFFERENTIATING POPULATIONS

机译:ANISAKIS SIMPLEX SS的线粒体DNA作为区分人群的潜在工具

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摘要

Anisakis simplex s.s. specimens from Gadus morhua, Gadus ogac, Reinhardtius hippoglossoides, Clupea harengus, Micromesistius poutassou, Pleurogrammus monopterygius, and Oncorhynchus nerka, caught in the north Atlantic and Pacific, were examined. Identity of the parasite species was confirmed using a molecular key. All specimens were used for amplifying a part of the non-coding sequence of the AT-rich region, flanked by the nad6-nad4L-trnW-trnE-rrnS-trnS2, and trnN-trnY-nad1 genes. This part of the mtDNA was chosen as a promising fragment, which could yield information regarding population differentiation. The number of samples and their geographical origin was sufficient to compare the 2 regions. The Bayesian analysis provided strong support for a population split into 2 groups, one representing A. simplex s.s. samples from the Pacific, and the other representing all the Atlantic samples. It is highly probable that observed subpopulations were constituted after the connection between the Atlantic and Pacific had been closed and movement between these 2 oceans was prevented.
机译:Anisakis simplex s.s.检查了取自北大西洋和太平洋北部的Gadus morhua,Gadus ogac,Reinhardtius hippoglossoides,Clupea harengus,Micromesistius poutassou,Pleurogrammus monopterygius和Oncorhynchus nerka的标本。使用分子密钥确认了寄生虫物种的身份。所有标本均用于扩增富含AT区域的部分非编码序列,其侧翼为nad6-nad4L-trnW-trnE-rrnS-trnS2和trnN-trnY-nad1基因。 mtDNA的这一部分被选为有前途的片段,可以产生有关群体分化的信息。样本数量及其地理来源足以比较这两个地区。贝叶斯分析为分为两类的种群提供了有力的支持,其中一组代表简单曲霉。来自太平洋的样本,另一个代表所有的大西洋样本。在大西洋与太平洋之间的联系被关闭并且这两个海洋之间的流动被阻止之后,观察到的亚群很可能构成了。

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