Distribution of Giardia duodenalis genotypes and subgenotypes in raw urban wastewater in Milwaukee, Wisconsin

被引:84
作者
Sulaiman, IM
Jiang, JL
Singh, A
Xiao, LH
机构
[1] Ctr Dis Control & Prevent, Div Parasit Dis, Natl Ctr Infect Dis, US PHS,US Dept Hlth & Human Serv, Atlanta, GA 30341 USA
[2] City Milwaukee Publ Hlth Labs, Milwaukee, WI 53202 USA
关键词
D O I
10.1128/AEM.70.6.3776-3780.2004
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Giardia cysts in 131 raw wastewater samples from Milwaukee, Wis., were genotyped by sequence analysis of the triosephosphate isomerase gene which showed the presence of two distinct genotypes (assemblages A and B) of Giardia duodenalis. Of the 131 samples, 111 belonged to assemblage A, and the remaining samples belonged to assemblage B. A high degree of genetic polymorphism was evident within the assemblage B cluster, with 10 distinct subgenotypes identified, eight of which have not been reported before.
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页码:3776 / 3780
页数:5
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