Molecular investigation of Cryptosporidium in farmed chickens in Hubei Province, China, identifies 'zoonotic' subtypes of C. meleagridis

Parasites & Vectors
Cong LiaoRobin B Gasser

Abstract

Cryptosporidium is a key genus of parasitic protists that infect humans and other vertebrates (mammals and birds). Birds are typically infected with C. avium, C. baileyi, C. galli and/or C. meleagridis, the latter of which is recognised as being zoonotic. Stimulated by the previous finding of C. meleagridis subtypes IIIbA21G1R1, IIIbA22G1R1 and IIIbA26G1R1 in diarrhoeic children in Wuhan city and environs in Hubei Province, China, we performed a molecular epidemiological survey to explore whether these or similar subtypes might occur in farmed chickens in this province. PCR-coupled sequencing analyses of regions in the small subunit (SSU) of the nuclear ribosomal RNA and 60 kDa glycoprotein (gp60) genes were utilised to characterise Cryptosporidium in faecal samples from chickens (n = 471) from 14 farms from six distinct regions in Hubei Province. Cryptosporidium baileyi (33/471; 7.0%) and C. meleagridis (15/471; 3.2%) were identified in chickens on eight farms in five of the six distinct geographical regions. No significant age-associated difference in the prevalence of C. baileyi was evident, whereas the prevalence of C. meleagridis was significantly higher in younger (≤ 4 months) than in older chickens (> 4 months). For C. m...Continue Reading

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Jun 5, 2020·Parasitology Research·Juan C Garcia-RDavid T S Hayman
Apr 13, 2019·International Journal for Parasitology. Parasites and Wildlife·Sheng-Yong FengHong-Xuan He
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Sep 4, 2021·Veterinary Parasitology : Regional Studies and Reports·Daniel Yasur-LandauMonica Leszkowicz Mazuz

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Datasets Mentioned

BETA
HM243547
DQ067570.1
MG969401
MG969387-MG969392
MG969390-MG969392
KY575457-KY575459
AF12574

Methods Mentioned

BETA
PCRs
PCR

Software Mentioned

jModeltest
SPSS Statistics
Mesquite
BLASTn
MAFFT
MrBayes

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