Prevalence and distribution of trematodes hosted by Bithynia siamensis in Southern Thailand.

IF 1.8 3区 医学 Q2 PARASITOLOGY Parasitology Research Pub Date : 2024-10-01 DOI:10.1007/s00436-024-08345-4
Duangduen Krailas, Thanaporn Wongpim, Jirayus Komsuwan, Nuanpan Veeravechsukij, Chanyanuch Janmanee, Piyawan Thongchot, Wivitchuta Dechruksa, Saranphat Suwanrat, Kampanat Tharapoom, Matthias Glaubrecht
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Abstract

This study aimed to investigate the occurrence of larval trematode infections in bithyniid snails across five provinces in southern Thailand. A total of 1,413 Bithynia siamensis snails were collected between October 2021 and October 2022 using handpicking and scooping methods. Among these, 844 were identified as B. s. siamensis and 569 as B. s. goniomphalos. The snail samples were examined for parasitic infections in the laboratory using shedding and crushing methods. Among the 27 sampling sites, snails from 6 sites were infected with various trematode species (infection rate: 4.95%, 70/1,413). Evaluation of the morphological and internal organ characteristics of the cercariae allowed for the categorization of the trematodes into five species of trematodes (belonging to four families). The identified species included Echinochasmus pelecani (family: Echinostomatidae), Echinostoma revolutum (family: Echinostomatidae), Haematoloechus similis (family: Haematoloechidae), Loxogenoides bicolor (family Lecithodendriidae), and Stictodora tridactyla (family: Heterophyidae), and the infection rates for these species were 3.26% (46/1,413), 0.35% (5/1,413), 0.42% (6/1,413), 0.78% (11/1,413), and 0.14% (2/1,413), respectively. The cercariae from the identified trematode species were studied for DNA analysis. The phylogenetic lineage reveals relationships among the species, confirming the morphological distinctions.

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泰国南部 Bithynia siamensis 寄生吸虫的流行与分布。
本研究旨在调查泰国南部五个府的双髻蜗牛幼虫吸虫感染情况。在 2021 年 10 月至 2022 年 10 月期间,采用手摘和舀取方法共采集了 1,413 只 Bithynia siamensis 蜗牛。其中,844 个被鉴定为 B. s. siamensis,569 个被鉴定为 B. s. goniomphalos。这些蜗牛样本在实验室用脱落法和压碎法进行寄生虫感染检查。在 27 个采样点中,6 个采样点的蜗牛感染了不同种类的吸虫(感染率:4.95%,70/1,413)。通过对蜗牛蛛形纲和内脏器官特征的评估,可将吸虫分为五种(隶属于四个科)。已确定的种类包括 Echinochasmus pelecani(棘口吸虫科)、Echinostoma revolutum(棘口吸虫科)、Haematoloechus similis(血吸虫科)、Loxogenoides bicolor(双色吸虫科)和 Stictodora tridactyla(异叶吸虫科),这些种类的感染率为 3.这些物种的感染率分别为 3.26% (46/1,413)、0.35% (5/1,413)、0.42% (6/1,413)、0.78% (11/1,413) 和 0.14% (2/1,413)。研究人员对已确定的吸虫种类的鞭毛虫进行了 DNA 分析。系统发生系揭示了各物种之间的关系,证实了形态学上的区别。
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来源期刊
Parasitology Research
Parasitology Research 医学-寄生虫学
CiteScore
4.10
自引率
5.00%
发文量
346
审稿时长
6 months
期刊介绍: The journal Parasitology Research covers the latest developments in parasitology across a variety of disciplines, including biology, medicine and veterinary medicine. Among many topics discussed are chemotherapy and control of parasitic disease, and the relationship of host and parasite. Other coverage includes: Protozoology, Helminthology, Entomology; Morphology (incl. Pathomorphology, Ultrastructure); Biochemistry, Physiology including Pathophysiology; Parasite-Host-Relationships including Immunology and Host Specificity; life history, ecology and epidemiology; and Diagnosis, Chemotherapy and Control of Parasitic Diseases.
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