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首页> 外文期刊>Journal of Parasitology >Susceptibility of wild populations of Biomphalaria spp. from neotropical South America to Schistosoma mansoni and interference of Zygocotyle lunata.
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Susceptibility of wild populations of Biomphalaria spp. from neotropical South America to Schistosoma mansoni and interference of Zygocotyle lunata.

机译：Biomphalaria spp野生种群的易感性。从南美洲新热带到曼氏血吸虫，再到月桂合子的干扰。

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摘要

Populations of Biomphalaria straminea, Biomphalaria peregrina, Biomphalaria tenagophila, Biomphalaria orbignyi, and Biomphalaria oligoza from different Argentine localities were exposed to miracidia of Schistosoma mansoni EC strain, and Biomphalaria tenagophila, in addition to the SJ2 strain. Biomphalaria straminea and B. tenagophila displayed different susceptibility and compatibility (Frandsen's total cercariae production index class 0-II), whereas B. orbigny and B. oligoza were incompatible. Although B. peregrina and B. tenagophila were found naturally infected with the amphistome Zygocotyle lunata, all 5 species could be experimentally infected with Z. lunata. Exposure to Z. lunata infections with S. mansoni were obtained in natural populations of B. straminea and B. tenagophila with the EC strain (13.5-17.1% and 1.2%), respectively, and in B. tenagophila with the SJ2 strain (2.6%), 60 days postexposure [PE], and in B. orbignyi and B. oligoza (31.1% and 26.7% 60 days PE, respectively, including single infections with S. mansoni and double infections with Z. lunata). The high susceptibility of B. orbignyi and B. oligoza is noteworthy, as these 2 species are considered resistant to S. mansoni.
机译：除SJ2菌株外，来自阿根廷不同地区的Strmphia straminea，Permphrina，Permphrina，Biomphalaria tenagophila，Biomphalaria orbignyi和Biomphalaria oligoza种群均暴露于曼氏血吸虫EC菌株和Temphophila tenagophila的线虫病。链球菌和田鼠双歧杆菌表现出不同的敏感性和相容性（弗兰森氏总cer虫生产指数为0-II级），而奥尔比尼双歧杆菌和寡头双歧杆菌则不相容。尽管发现百日咳博德特氏菌和tenagophila博古特氏菌自然感染了血吸虫Zygocotyle lunata，但所有5个物种在实验上都可以被Z. lunata感染。在带有EC菌株的B. straminea和B. tenagophila的自然种群中（13.5-17.1％和1.2％）以及在带有SJ2菌株的Tenagophila的B. tenataophila的自然种群中均暴露于曼氏沙门氏菌感染。 ％），暴露后60天[PE]以及B. orbignyi和B. oligoza（分别60天PE分别为31.1％和26.7％，包括曼氏沙门氏菌的单次感染和月球梭菌的两次感染）。 B. orbignyi和B. oligoza的高度敏感性是值得注意的，因为这两个物种被认为对曼氏链球菌具有抗性。

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