Nematodes associated with terrestrial gastropod molluscs in Belgium and additional characterisation of Pellioditis californica and P. hermaphrodita.

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-03-21 DOI:10.1017/S0022149X2400004X
M A Cortes, W Bert, M Couvreur, D De Waele, P R Singh
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Abstract

A survey for slug- and snail-associated nematodes was conducted in forests, parks, botanical gardens, and nature reserves at 13 localities in Belgium to uncover more diversity of gastropod mollusc-associated nematodes and to characterise Pellioditis populations found in the country. A total of 319 slugs and snails belonging to nine species were examined. Arion vulgaris was the most commonly found mollusc species in this study (eight locations), and 19.4% of the examined mollusc specimens were found infected by nematodes. The highest prevalence of nematodes was observed in Cornu aspersum (60%) followed by A. vulgaris (34.8%), Limax maximus (28.6%), and Cepaea sp. (20%). Eleven nematode species belonging to eight families were isolated and identified from the mollusc hosts including Alloionema appendiculatum, Angiostoma dentiferum, A. gandavense, Angiostrongylus vasorum, Cosmocerca longicauda, Panagrolaimus cf. subelongatus, Pellioditis californica, P. hermaphrodita, Rhabditis sp., Tetrameres cf. fissispina, and Troglostrongylus cf. brevior.Pellioditis was the most commonly found nematode genus (at nine localities) and C. longicauda and P. californica were reported in Belgium for the first time. Co-infections of more than one nematode species were observed in eight (2.5%) molluscs specimens. Most co-infections consisted of two nematode species. In one A. vulgaris specimen, a co-infection of three nematode species (A. vasorum, P. hermaphrodita, and Tetrameres cf. fissispina) was observed. Four ex vivo cultures of P. californica and six ex vivo cultures of P. hermaphrodita were established from single hermaphrodites, and both species were described based on light microscopy, scanning electron microscopy, and morphometric, morphological, and molecular data.

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比利时与陆生腹足软体动物有关的线虫,以及加州线虫(Pellioditis californica)和雌线虫(P. hermaphrodita)的其他特征。
在比利时 13 个地方的森林、公园、植物园和自然保护区对蛞蝓和蜗牛相关线虫进行了调查,以发现腹足类软体动物相关线虫的更多多样性,并描述该国发现的 Pellioditis 种群的特征。共检测了属于 9 个物种的 319 种蛞蝓和蜗牛。在这项研究中,最常发现的软体动物物种是钝头蜗牛(Arion vulgaris)(8 个地点),19.4% 的软体动物标本被线虫感染。Cornu aspersum 的线虫感染率最高(60%),其次是 A. vulgaris(34.8%)、Limax maximus(28.6%)和 Cepaea sp.(20%)。从软体动物宿主中分离并鉴定出属于 8 个科的 11 种线虫,包括 Alloionema appendiculatum、Angiostoma dentiferum、A. gandavense、Angiostrongylus vasorum、Cosmocerca longicauda、Panagrolaimus cf. subelongatus、Pellioditis californica、P. hermaphrodita、Rhabditis sp、Pellioditis 是最常见的线虫属(在 9 个地点发现),C. longicauda 和 P. californica 是首次在比利时发现。在 8 个(2.5%)软体动物标本中观察到一种以上线虫的共同感染。大多数合并感染包括两种线虫。在一个 A. vulgaris 标本中,观察到三种线虫(A. vasorum、P. hermaphrodita 和 Tetrameres cf. fissispina)的共同感染。根据光学显微镜、扫描电子显微镜、形态计量学、形态学和分子数据对这两个物种进行了描述。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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