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@article{2436117,
author = {Seo, Harushige and Ansai, Eriko and Sase, Tetsuya and Saito, Takumi and Takano, Tsuyoshi and Kojima, Yosuke and Waki, Tsukasa},
article_number = {December},
doi = {http://dx.doi.org/10.1016/j.parint.2024.102947},
keywords = {Intermediate host; Invasive species; Life cycle; Ochetosoma elongatum},
language = {eng},
issn = {1383-5769},
journal = {Parasitology International},
title = {Introduction of a snake trematode of the genus Ochetosoma in eastern Japan},
url = {https://doi.org/10.1016/j.parint.2024.102947},
volume = {103},
year = {2024}
}
TY - JOUR
ID - 2436117
AU - Seo, Harushige - Ansai, Eriko - Sase, Tetsuya - Saito, Takumi - Takano, Tsuyoshi - Kojima, Yosuke - Waki, Tsukasa
PY - 2024
TI - Introduction of a snake trematode of the genus Ochetosoma in eastern Japan
JF - Parasitology International
VL - 103
IS - December
SP - "102947"
EP - "102947"
PB - Elsevier Ireland Ltd
SN - 13835769
KW - Intermediate host
KW - Invasive species
KW - Life cycle
KW - Ochetosoma elongatum
UR - https://doi.org/10.1016/j.parint.2024.102947
N2 - In Japan, trematodes of the family Ochetosomatidae are not naturally distributed. However, the introduced ochetosomatid Ochetosoma kansense (Crow, 1913) has been reported from the oral cavity of native snakes in western Japan since 2010s. In this study, trematodes were isolated from the oral cavities of the native Japanese snakes, Elaphe quadrivirgata (Boie, 1826), E. climacophora (Boie, 1826), and Rhabdophis tigrinus (Boie, 1826), in the central Kanto region of eastern Japan. Morphological and molecular analyses of the isolated trematodes revealed that all trematodes were identifiable to a newly introduced ochetosomatid species to Japan, O. elongatum (Pratt, 1903), which originated from North America; Lechriorchis tygarti Talbot, 1933 was synonymized with O. elongatum based on identical molecular data and morphological similarity. To identify first intermediate hosts of O. elongatum, seven freshwater snail species were examined in eastern Japan. Molecular analysis was used to identify O. elongatum sporocysts in the freshwater snail Physella acuta (Draparnaud, 1805), which also originated from North America. The other six species did not host O. elongatum, suggesting that Ph. acuta is the only first intermediate host of O. elongatum in Japan. Although O. elongatum has been detected in Japan, its invasion route and period of introduction are unclear. Frequent imports of freshwater snails and wild snakes from North America, after the 1990s and 2005, respectively, presumably introduced O. elongatum in Japan.
ER -
SEO, Harushige, Eriko ANSAI, Tetsuya SASE, Takumi SAITO, Tsuyoshi TAKANO, Yosuke KOJIMA and Tsukasa WAKI. Introduction of a snake trematode of the genus Ochetosoma in eastern Japan. \textit{Parasitology International}. Elsevier Ireland Ltd, 2024, vol.~103, December, p.~''102947'', 11 pp. ISSN~1383-5769. Available from: https://dx.doi.org/10.1016/j.parint.2024.102947.
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