著者
脇 司 髙野 剛史 古澤 春紀 浦部 美佐子
出版者
日本動物分類学会
雑誌
タクサ:日本動物分類学会誌 (ISSN:13422367)
巻号頁・発行日
vol.54, pp.59-66, 2023-02-28 (Released:2023-03-07)
参考文献数
30

The dicrocoeliid trematode Lutztrema attenuatum (Dujardin, 1845) has been reported from its definitive hosts, passerine birds worldwide, whereas its larvae have never been detected in natural fields. In this study, 41 adults of Lu. attenuatum were obtained from dead specimens of Turdus pallidus Gmelin, 1789 and T. eunomus Temminck, 1831, and the partial sequence of the mitochondrial COI gene and nuclear 28S rDNA were determined from one of the specimens as DNA barcodes. Furthermore, during a land snail survey in Tokyo, Japan on 11 August 2021, dicrocoeliid sporocysts and cercariae were detected from the achatinid Allopeas satsumense (Pilsbry, 1906). The partial COI sequence of the sporocysts showed a p-distance value of less than 1.4% to that of the adult Lu. attenuatum. The sporocyst was identified molecularly as Lu. attenuatum based on an empirical intraspecific genetic variation in dicrocoeliids, and thus A. satsumense found to be its first intermediate host. We also provided DNA barcodes to an adult specimen of Lyperosomum sp. (Dicrocoeliidae) detected from the same dead specimen of T. pallidus.

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シロハラやツグミにつく、ホソヤカルッツ吸虫の研究も出ました!吸虫の生活史(≒感染経路)はあまり明らかになっていないので、1種1種、丁寧に解明するしか無さそうです。 https://t.co/A9P7YWu0cJ
First record of the natural first intermediate host of Lutztrema attenuatum, a cosmopolitan trematode of passerine birds (in Japanese) スズメ目の鳥類に広く寄生するホソヤカルッツ吸虫の自然界における第一中間宿主の発見 #Parasite #lifecycle #Taxa

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