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- Title
Prevalence, genotypes, and risk factors of Enterocytozoon bieneusi in Asiatic black bear (Ursus thibetanus) in Yunnan Province, Southwestern China.
- Authors
Jie Wu; Jian-Qiang Han; Lian-Qin Shi; Yang Zou; Zhao Li; Jian-Fa Yang; Cui-Qin Huang; Feng-Cai Zou
- Abstract
Microsporidiosis is an important zoonotic disease, even leading to severe diarrhea. However, no information about prevalence and genotypes of Enterocytozoon bieneusi infection in Asiatic black bears in southwestern China is available. The objectives of the present study were to investigate the prevalence of E. bieneusi and to characterize their genotypes using the nested PCR amplification of the internal transcribed spacer region of the ribosomal RNA gene cluster and multilocus sequence typing (MLST). The overall prevalence of E. bieneusi was 19.75% (80/405) and the rate of E. bieneusi in Xishuangbanna (33.33%) was significantly higher than that in any other regions (Honghe, 17.65%; Dehong, 13.04%; Kunming, 0; P = 0.01). Sequence analysis revealed that 4 known genotypes (D, n = 2; SC02, n = 10; SC01, n = 5; and CHB1, n = 4) and 13 novel genotypes (designed MJ1-MJ13) were identified. When 17, 5, 14, and 34 sequences at loci MS1, MS3, MS4, and MS7 via MLST analyses, representing 4, 4, 5, and 10 genotypes, respectively, were completed, one multilocus genotype (MLG novel-ABB1) was identified. This is the first report of E. bieneusi in Asiatic black bear in Yunnan province, Southwestern China. The results indicated the potential zoonotic risk of this parasite through the Asiatic black bear in this region and provided foundation data for preventing and controlling E. bieneusi infection of many other animals and humans in these regions.
- Subjects
CHINA; GENOTYPES; MOLECULAR biology; URSUS thibetanus japonicus; RIBOSOMAL RNA
- Publication
Parasitology Research, 2018, Vol 117, Issue 4, p1139
- ISSN
0932-0113
- Publication type
Article
- DOI
10.1007/s00436-018-5791-0