An unknown species of Leucochloridium (Trematoda: Leucochloridiidae) from northern Honshu,Japan |
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| Affiliation: | 1. Department of Parasitology, Asahikawa Medical University, Asahikawa, Hokkaido 078-8510, Japan;2. Meguro Parasitological Museum, Meguro-ku, Tokyo 153-0064, Japan;3. Faculty of Science, Toho University, Funabashi, Chiba 274-8510, Japan;1. Department of Biochemistry and Molecular Biology, Interdisciplinary Research Center, Justus Liebig University Giessen, Giessen, Germany;2. Vascular Biology, Institute for Stroke and Dementia Research (ISD), Ludwig-Maximilians-University (LMU) Munich, Munich, Germany;1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, 37 Xueyuan Road, Beijing 100191, China;2. Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Zhihui East Road, 100191, China |
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| Abstract: | Pulsating broodsacs of Leucochloridium sp. (Trematoda: Leucochloridiidae) were found from amber snails (Succinea lauta) in Iwate, the northern part of Honshu, Japan. A pattern with red-brown vertical stripes was characteristic of the broodsac. Very similar broodsacs were already detected from Okinawa Islands, the southern archipelago of Japan, and tentatively identified as Leucochloridium cf. passeri. A phylogenetic analysis based on DNA sequences of mitochondrial cytochrome c oxidase subunit 1 (cox1) showed that Leucochloridium sp. is different at species level from L. cf. passeri and that both species are related to Leucochloridium vogtianum from Europe. In this study the definitive identification of larval Leucochloridium sp. was impossible, but the resulting phylogeny confirmed that at least 4 species of Leucochloridium are distributed in Japan, depending on locality and climate. The DNA barcode generated in this study will be useful in detecting the adult stage of Leucochloridium sp. from birds. |
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