Genetic variation of the lymnaeid Radix rubiginosa (Michelin, 1831) (Mollusca, Gastropoda) and other freshwater snails in Thailand examined using mitochondrial COI sequences

IF 0.8 4区生物学 Q3 ZOOLOGY

Molluscan Research Pub Date : 2023-10-10 DOI:10.1080/13235818.2023.2261174

Chairat Tantrawatpan, Bangon Kongim, Takeshi Agatsuma, Warayutt Pilap, Weerachai Saijuntha

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引用次数: 0

Abstract

ABSTRACT Freshwater lymnaeid snails, for example Radix rubiginosa, may serve a crucial role as the sole intermediate hosts of several trematodes of medical or veterinary importance causing diseases in livestock and humans including fascioliasis, schistosomiasis and echinostomiasis. In Thailand, there is little information on the genetic variation of lymnaeid snails. Thus, this study explores the mitochondrial cytochrome c oxidase subunit I (COI) sequence variation of lymnaeid and physid snails collected from different geographical areas in Thailand, with the main focus on R. rubiginosa. In all, 175 R. rubiginosa, 7 Orientogalba sp., 9 Racesina sp., and 61 Physella acuta were collected from 36 localities in Thailand. A high level of genetic variation was detected in R. rubiginosa, with 40 haplotypes being recorded. Phylogenetic analyses revealed two clades (possibly species) in the material identified as R. rubiginosa. One clade contained all samples examined in this study, together with a sequence from Indonesia, while the second clade comprised specimens found in Singapore, Malaysia, and Vietnam. Seven haplotypes of P. acuta were clustered into clade A, the globally invasive lineage of this species.

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利用线粒体COI序列检测了泰国淡水蜗牛(软体动物，腹足目)和其他淡水蜗牛的遗传变异

[摘要]淡水淋巴蜗牛，如红比奇螺蛳，可能作为几种具有医学或兽医重要性的吸虫的唯一中间宿主，在牲畜和人类中起着至关重要的作用，这些吸虫可引起片形吸虫病、血吸虫病和棘孔虫病等疾病。在泰国，关于淋巴螺蛳遗传变异的信息很少。因此，本研究对泰国不同地理区域的淋巴蜗牛和物理蜗牛线粒体细胞色素c氧化酶亚基I (COI)序列进行了研究，主要以rubiginosa为研究对象。在泰国36个地点共采集到rubiginosa虫175种，orienttogalba虫7种，Racesina虫9种，acuta虫61种。结果表明，红褐圆蝽有40个单倍型，遗传变异程度较高。系统发育分析显示，该材料中有2个分支(可能是种)，鉴定为rubiginosa。一个进化支包含了本研究中检测的所有样本，以及来自印度尼西亚的序列，而第二个进化支包含了在新加坡、马来西亚和越南发现的样本。7个单倍型被聚在该物种的全球入侵谱系A支中。关键词:中间宿主线粒体dna -萘醌酸蜗牛-自由基-蜗牛物种复合物感谢匿名审稿人对我们的稿件提出的有见地的意见和建议。披露声明作者未报告潜在的利益冲突。本研究项目由泰国法政大学医学院资助，资助对象为Chairat Tantrawatpan[资助号2-18/2562]。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Molluscan Research 生物-动物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Molluscan Research is an international journal for the publication of authoritative papers and review articles on all aspects of molluscan research, including biology, systematics, morphology, physiology, ecology, conservation, biogeography, genetics, molecular biology and palaeontology. While the scope of the journal is worldwide, there is emphasis on studies relating to Australasia and the Indo-west Pacific, including East and South East Asia. The journal’s scope includes revisionary papers, monographs, reviews, theoretical papers and briefer communications. Monographic studies of up to 73 printed pages may also be considered. The journal has been published since 1957 (as the Journal of the Malacological Society of Australia until 1993). It is free to members of the Malacological Society of Australasia and the Society for the Study of Molluscan Diversity.