韩国西海岸马尼拉蛤Ruditapes philippinarum体内吸虫的调查:初步研究。

IF 3.6 3区 生物学 Q1 ZOOLOGY Journal of invertebrate pathology Pub Date : 2024-08-05 DOI:10.1016/j.jip.2024.108172
Cuong Thanh Le , Hee-Do Jeung , Young-Ghan Cho , Kwang-Sik Choi
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引用次数: 0

摘要

韩国西海岸的马尼拉蛤蜊(Ruditapes philippinarum)蕴藏着多种地生吸虫。然而,该地区的大多数研究仅限于几个采样点,而且目前对一些吸虫的物种命名主要基于形态学,因此在 Digenea 中的分子系统发育位置尚未解决。因此,我们基于对西海岸 26 个地点的大规模调查,首次提供了马尼拉蛤蜊吸虫群落中一些成分的形态学和分子系统发育。我们的研究发现,蛤蜊中的吸虫群落至少包括 5 个物种,分别隶属于 3 个科(Himasthlidae、Gymnophallidae 和 Baccigeridae)和 1 个超科(Monorchioidea)。这 5 个不同物种的生活模式包括包虫和孢子囊,其中一个物种(Parvatrema duboisi)利用蛤蜊作为第一和/或第二中间宿主。各研究地点的吸虫感染率分布不均,但其原因尚待确定。根据 ITS 和 28S rDNA 进行的分子分析确认了形态学鉴定;系统进化分析还显示,感染蛤生殖腺的栉水母应被称为 "巴氏栉水母"(Bacciger bacciger)。本初步研究提供了一个重要的基线,可在今后对马尼拉蛤蜊中的二齿吸虫群落的研究中进一步发展。
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Survey of trematodes in Manila clam Ruditapes philippinarum on the west coast of Korea: A preliminary study

The Manila clam Ruditapes philippinarum on the west coast of Korea harbors several digenetic trematodes. However, most studies in this region have been restricted to a few sampling sites and the current species designation of some trematodes is largely based on morphology, leaving the molecular phylogenetic position among the Digenea unsolved. Thus, we first provide both morphology and molecular phylogeny of some components in the trematodes community in the Manila clam based on a large-scale survey of 26 sites on the west coast, where well-developed tidal flats serve as large commercial clam culture beds. Our study revealed that the trematodes community in the clams consisted of at least 5 species that belong to 3 families (Himasthlidae, Gymnophallidae, Baccigeridae) and 1 superfamily (Monorchioidea). The life mode of the 5 different species included the metacercaria and sporocyst, with one species (Parvatrema duboisi) utilizing the clams as both the first and/or second intermediate host. Trematode infection prevalences were not evenly distributed among the study sites, although the reasons behind this are yet to be determined. Morphological identification was confirmed with the molecular analyses based on ITS and 28S rDNA; phylogenetic analysis also revealed that Cercaria pectinata infecting the clam gonad should be referred to as Bacciger bacciger hereafter. The present preliminary study provides a crucial baseline that could be further developed in a future study on the digenean trematodes community in the Manila clam.

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来源期刊
CiteScore
6.10
自引率
5.90%
发文量
94
审稿时长
1 months
期刊介绍: The Journal of Invertebrate Pathology presents original research articles and notes on the induction and pathogenesis of diseases of invertebrates, including the suppression of diseases in beneficial species, and the use of diseases in controlling undesirable species. In addition, the journal publishes the results of physiological, morphological, genetic, immunological and ecological studies as related to the etiologic agents of diseases of invertebrates. The Journal of Invertebrate Pathology is the adopted journal of the Society for Invertebrate Pathology, and is available to SIP members at a special reduced price.
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