molecular characterization of cryptosporidium parvum from two different japanese prefectures, okinawa and hokkaido.infectious diarrhea is the most frequent cause of morbidity and mortality in neonatal calves. cryptosporidium parvum is one of the main pathogens associated with calf diarrhea. although diarrhea is a symptom of infection with various pathogens, investigations to detect the types of pathogens have never been performed in japan. this study investigated the prevalence of four major diarrhea-causing pathogens in calves: c. parvum, rotavirus, coronavirus, and enterotoxigenic escherichia coli (e. coli ...201525481361
molecular epidemiological analyses of cryptosporidium parvum virus 1 (cspv1), a symbiotic virus of cryptosporidium parvum, in japan.we show that cryptosporidium parvum virus 1 (cspv1), a member of the family partitiviridae, genus cryspovirus that can infect cryptosporidium parvum, is a new candidate for high-resolution tool for tracing c. parvum. cspv1 was detected in all c. parvum-positive samples tested. phylogenetic analysis of dsrna1 sequence from cspv1 can distinguish infected areas of c. parvum on the national level. sequences detected in samples from iwate prefecture and other islands (tanegashima, and okinawa) belong ...201626439535
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