Occurrence, Molecular Characterization, and Assessment of Zoonotic Risk of Cryptosporidium spp., Giardia duodenalis, and Enterocytozoon bieneusi in Pigs in Henan, Central China

The Journal of Eukaryotic Microbiology
Haiyan WangLongxian Zhang

Abstract

Cryptosporidium spp., Giardia duodenalis, and Enterocytozoon bieneusi are common gastrointestinal pathogens in humans and animals. Little is known about them and the range of species/assemblages/genotypes occurring in domestic pigs in China. Here, we present data on the occurrence and molecular diversity of these pathogens detected in the feces from farms in Henan, central China. Of 897 fecal samples tested, 28 (3.1%), 15 (1.7%), and 408 (45.5%) samples were positive for Cryptosporidium, G. duodenalis, and E. bieneusi, respectively. Cryptosporidium and G. duodenalis were most frequently detected in piglets, while E. bieneusi was markedly more prevalent in fattening pigs. Sequence analysis of SSU rRNA gene revealed that positive Cryptosporidium strains belonged to C. suis (n = 18) and C. scrofarum (n = 10). Giardia duodenalis assemblages E (n = 9), assemblages A (n = 3), and assemblages C (n = 3) were characterized based on the sequence analysis of tpi gene. Thirteen E. bieneusi genotypes comprising four novel (pigHN-I to pigHN-IV) and nine known (EbpC, EbpA, pigEbITS5, LW1, H, CM8, G, CHG19, and CHS5) genotypes were identified by ITS sequence analysis of a large proportion (n = 200) of E. bieneusi-positive samples. EbpC was the...Continue Reading

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Citations

May 2, 2019·Parasite : Journal De La Société Française De Parasitologie·Run LuoGuangneng Peng
Aug 27, 2019·Parasite : Journal De La Société Française De Parasitologie·Bo JingHaiyan Wang
Nov 7, 2019·Frontiers in Microbiology·Dong-Fang LiLong-Xian Zhang
Jul 23, 2020·Frontiers in Veterinary Science·Shengyong FengHongxuan He

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