The First Isolation of Microsporidia from Dragonflies in Japan.

IF 0.2 4区农林科学 Q4 ENTOMOLOGY

Japanese Journal of Applied Entomology and Zoology Pub Date : 2021-02-25 DOI:10.1303/JJAEZ.2021.29

Haruka Nakamura, Naoki Kurimoto, Yuji Imura, Y. Hatakeyama

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引用次数: 2

Abstract

The First Isolation of Microsporidia from Dragonﬂies Abstract: Entomopathogenic microsporidia are pathogens of various arthropods and therefore cause disease in important host species ranging from agricultural pests to beneﬁcial insects. Here, we investigated three genera of en tomopathogenic microsporidia from dragonﬂies ； these were isolated in Kanagawa, Japan, in 2014. In total, the infec tion rate was 0.85% （ 16 of the 1,886 surveyed dragonﬂy adults ） . Four strains of microsporidia selected from infected Orthetrum albistylum speciosum （ Uhler ）（ Odonata: Libellulidae ） adults were measured for spore size and analyzed at the molecular level. According to spore size, the four strains were roughly divided into two groups. Analysis of small-subunit ribosomal RNA sequences indicated that the microsporidia strains belonged to the Trachipleistophora , Vavraia , and Paranosema clusters. Microsporidia species that are closely related to the strains isolated in this study have previ ously been reported to infect insects other than dragonﬂies. Therefore, we suggest the possibility that the microsporid ian strains we isolated in O. albistylum speciosum may also infect other insect species.

查看原文本刊更多论文

日本首次从蜻蜓中分离到小孢子虫。

摘要:昆虫病原性小孢子虫是多种节肢动物的致病菌，可引起从农业害虫到益虫等重要寄主物种的疾病。本研究调查了2014年在日本神奈川县分离到的3种蜻蜓病原性小孢子虫。共调查1886只成虫，感染率为0.85%(16只)。本文从感染的白棘蝽(Orthetrum albistylum speciosum, Uhler)(Odonata: Libellulidae)成虫中选取4株微孢子虫进行孢子大小测定和分子水平分析。根据孢子大小，四种菌株大致分为两组。小亚基核糖体RNA序列分析表明，微孢子虫属Trachipleistophora、Vavraia和Paranosema聚类。与本研究分离的菌株密切相关的微孢子虫物种以前曾报道过感染除蜻蜓以外的昆虫。因此，我们认为，我们在白棘小孢子菌中分离到的小孢子菌可能也会感染其他昆虫物种。

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

Japanese Journal of Applied Entomology and Zoology 生物-昆虫学

CiteScore

0.70

自引率

40.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Japanese Journal of Applied Entomology and Zoology has the abbreviated Japanese name, "ODOKON", and publishes papers on fundamental and applied research, reviews of research and book reviews in order to promote and spread information from the extensive fields related to applied entomology and zoology. This journal publishes contributions of research on entomology and zoology concerning agriculture, medicine, ecology, etc., and bears a leading role to publish pioneering works in these fields. The contributors belong to universities, independent administrative agencies, public institutions, private enterprises, etc., and the contents of papers have a diverse and varied range.