Molecular Detection of Spotted Fever Group Rickettsia in Feral Raccoons (Procyon lotor) in the Western Part of Japan
スポンサーリンク
概要
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Rickettsial infection in feral raccoons (Procyon lotor) in the western part of Japan (Shimane, Fukuoka, Saga, and Nagasaki Prefectures) was surveyed by a nested polymerase chain reaction (PCR) assay detecting the rickettsial citrate synthase (gltA) gene. Four of one hundred and ninety-four feral raccoon spleens (2.1%) were positive for Rickettsia spp. One gltA gene sequence was identical to R. helvetica, whereas the other 3 sequences were identical and had the highest similarity (98.4%) to R. amblyommii. Simultaneously, we determined a partial sequence of the rickettsial 17-kilodalton (17K) genus-common antigen gene in the later 3 raccoon samples. Their sequences were identical and had the highest similarity (98.5%) to Rickettsia sp. Hj126. Based on the sequences of gltA and 17K antigen genes, these raccoons might be infected with spotted fever group (SFG) rickettsia most closely related to R. amblyommii and/or Rickettsia sp. Hj126. Feral raccoons may be a susceptible reservoir for SFG rickettsiae in Japan.
著者
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SATO Hiroshi
Laboratory Animal Center for Biomedical Research, Nagasaki University School of Medicine
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Baba Kenji
Laboratories Of Veterinary Parasitology Dep. Of Veterinary Medicine Fac. Of Agriculture Yamaguchi Univ. 1677-1 ...
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Nishimura Hitoshi
Laboratory of Host Defense and Germfree Life, Research Institute for Disease Mechanism and Control
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NISHIMURA Hitoshi
Laboratory of Veterinary Parasitology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan
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KANEDA Toshiya
Laboratory of Veterinary Parasitology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan
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BABA Kenji
Laboratory of Veterinary Parasitology, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan
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