Abe Niichiro, Takami Kazutoshi, Kimata Isao, Iseki Motohiro
Department of Microbiology, Osaka City Institute of Public Health and Environmental Sciences, Tennoji-ku, Osaka 543-0026, Japan.
J Parasitol. 2004 Feb;90(1):167-71. doi: 10.1645/GE-3231RN.
Cryptosporidium spp. has been found in more than 150 species of mammals, but there has been no report in mongooses. In this study, we report the isolation of Cryptosporidium sp. in a banded mongoose Mungos mungo, which was brought from Tanzania to Japan; the isolate was analyzed genetically to validate the occurrence of a new, host-adapted genotype. Cryptosporidium diagnostic fragments of 18S ribosomal RNA and 70-kDa heat shock protein genes were amplified from this isolate and compared with the other Cryptosporidium species and genotypes reported previously. Analyses showed that the mongoose isolate represents a new genotype, closely related to that of bears.
隐孢子虫属已在150多种哺乳动物中被发现，但在獴科动物中尚无相关报道。在本研究中，我们报告了从坦桑尼亚带到日本的一只带状獴（Mungos mungo）体内分离出隐孢子虫属；对该分离株进行了基因分析，以验证一种新的宿主适应性基因型的出现。从该分离株中扩增出18S核糖体RNA和70 kDa热休克蛋白基因的隐孢子虫诊断片段，并与先前报道的其他隐孢子虫物种和基因型进行比较。分析表明，獴分离株代表一种新的基因型，与熊的基因型密切相关。
