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Genetic evidence for the presence of two species of Onchocerca from the wild boar in Japan

机译：日本野猪中存在两种Onchocerca的遗传证据

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In order to clarify the genetic differences between Onchocerca dewittei japonica, the causative agent of zoonotic onchocerciasis in Japan and a related undescribed Onchocerca sp., both parasitizing wild boar (Sus scrofa) of which the infective larval stages are indistinguishable from each other, we compared the sequences of the mitochondrial cytochrome c oxidase subunit 1 (CO1) gene region from four infective larvae (recovered from experimentally infected black flies), one microfilaria, and one adult of O. dewittei japonica, and from one infective larva (recovered from an experimentally infected black fly), one microfilaria, and a pool of several microfilariae of O. sp. The length of the CO1 gene region was 649 bp for all samples but there was a difference of 8.8 to 9.4% in the sequences between the two species although there were intraspecific variations of 0 to 0.5%. The CO1 sequences of O. sp. did not correspond to any of those deposited in the databases. Our study provides evidence that O. dewittei japonica and O. sp. are genetically different from each other.
机译：为了弄清日本人兽共患盘尾丝虫病的病原体Onchocerca dewittei japonica和相关的未描述的Onchocerca sp。两者之间的遗传差异，我们都寄生了野猪（Sus scrofa），其传染性幼虫期彼此之间没有区别。四个传染性幼虫（从经实验感染的黑蝇中回收），一个微丝aria虫和一名成年稻（O. dewittei japonica）以及一个传染性幼虫（从实验中回收）的线粒体细胞色素c氧化酶亚基1（CO1）基因区域的序列被感染的黑蝇），一个微丝虫和几个O. sp。的微丝虫。所有样品的CO1基因区域的长度均为649 bp，但两个物种之间的序列差异为8.8％至9.4％，尽管种内差异为0％至0.5％。 O. sp。的CO1序列。与存储在数据库中的任何数据都不对应。我们的研究提供了证据，证明日本稻和日本稻。在遗传上彼此不同。

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