Molecular analysis of Anisakis type I larvae in marine fish from three different sea areas in Korea.
Molecular analysis of Anisakis type I larvae in marine fish from three different sea areas in Korea.
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DOI：
10.3347/kjp.2014.52.4.383
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发表时间：
2014-08
期刊：
影响因子：
--
通讯作者：
Na BK
中科院分区：
文献类型：
--
作者：
Sohn WM;Kang JM;Na BK
异尖线虫病是由异尖线虫L3幼虫引起的人类感染，是韩国常见的食源性寄生虫病之一。国内开展了异尖线虫幼虫鉴定研究，但大多数研究集中在幼虫形态鉴定上。在这项研究中，我们分析了174异尖线虫I型幼虫的分子特征，从10种鱼类在韩国3个不同的海域捕获。PCR-RFLP和rDNA ITS和mtDNA cox 1序列分析表明，幼虫显示出有趣的分布模式，这取决于鱼类的种类和地理位置。在黄海和南海的鱼类中，异尖线虫占优势。与此同时，A. pegreffii和A. splica sense stricto（A. simplex s.str.）根据受感染的鱼类种类，在东海的鱼类中发现了幼虫。这些结果表明A. pegreffii主要分布在韩国周边3个海域的多种鱼类中，但A.单纯型（simplexstr.）在东海。
Anisakiasis, a human infection of Anisakis L3 larvae, is one of the common foodborne parasitic diseases in Korea. Studies on the identification of anisakid larvae have been performed in the country, but most of them have been focused on morphological identification of the larvae. In this study, we analyzed the molecular characteristics of 174 Anisakis type I larvae collected from 10 species of fish caught in 3 different sea areas in Korea. PCR-RFLP and sequence analyses of rDNA ITS and mtDNA cox1 revealed that the larvae showed interesting distribution patterns depending on fish species and geographical locations. Anisakis pegreffii was predominant in fish from the Yellow Sea and the South Sea. Meanwhile, both A. pegreffii and A. simplex sensu stricto (A. simplex s.str.) larvae were identified in fish from the East Sea, depending on fish species infected. These results suggested that A. pegreffii was primarily distributed in a diverse species of fish in 3 sea areas around Korea, but A. simplex s.str. was dominantly identified in Oncorhynchus spp. in the East Sea.
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