Survey of Spirometra erinaceieuropaei in frogs in Taiwan and its experimental infection in cats

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-12 DOI:10.1017/s0022149x00700861

H.K. Ooi, S.L. Chang, C.C. Huang, Y. Kawakami, A. Uchida

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Abstract

Eighteen of 56 (32.1%) wild Rana limnocharis from central and south Taiwan were found to contain plerocercoids of Spirometra erinaceieuropaei. This is the first report of S. erinaceieuropaei infections in frogs in Taiwan, with the plerocercoids being recovered from the thigh and back muscles or under the skin. Other species of frogs examined, including nine wild R. latouchii, one wild Buergeria robustus and 110 cultured R. rugulosa were free of infection. The plerocercoids were orally inoculated into four cats; three of which were each given a single plerocercoid and one a dose of three plerocercoids. Daily faecal examination showed that two cats started shedding eggs of S. erinaceieuropaei on day 8 postinfection (PI) and the other two on day 10 PI. The highest eggs per gram and eggs per day for a single worm was found to be 428,000 and 14,416,000 respectively. Only the cat inoculated with three plerocercoids shed proglottids in its faeces during the 2 month observation period.

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台湾蛙类螺旋体调查及其在猫身上的实验性感染

在台湾中部和南部的56只野生林蛙中，有18只（32.1%）被发现含有Spirometra erinaceieuropaei plerocercoids。这是台湾首次报道蛙类感染S. erinaceieuropaei的情况，犁头虫是从大腿和背部肌肉或皮下发现的。其他种类的青蛙，包括9只野生拉图蛙、1只野生健壮蛙和110只养殖蛙均未感染。给四只猫口服疟原虫，其中三只猫各注射了一只疟原虫，一只猫注射了三只疟原虫。每日粪便检查显示，两只猫在感染后第 8 天（PI）开始脱落麦角蟠尾丝虫的虫卵，另外两只在感染后第 10 天（PI）开始脱落。每克最高虫卵数和每天最高虫卵数分别为 428,000 枚和 14,416,000 枚。在 2 个月的观察期内，只有接种了 3 种 plerocercoids 的猫在粪便中排出原虫。

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来源期刊

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.