Abstract:
:In this study, 111 Cryptosporidium parvum IId isolates from several species of animals in China, Sweden, and Egypt were subtyped by multilocus sequence typing (MLST). One to eleven subtypes were detected at each of the 12 microsatellite, minisatellite, and single nucleotide polymorphism (SNP) loci, forming 25 MLST subtypes. Host-adaptation and significant geographical segregation were both observed in the MLST subtypes. A clonal population structure was seen in C. parvum IId isolates from China and Sweden. Three ancestral lineages and the same RPGR sequence were shared by these isolates examined. Therefore, the present genetic observations including the higher nucleotide diversity of C. parvum IId GP60 sequences in Western Asia, as well as the unique distribution of IId subtypes (almost exclusively found in Asia, Europe, and Egypt) and in combination with the domestication history of cattle, sheep, and goats, indicated that C. parvum IId subtypes were probably dispersed from Western Asia to other geographical regions. More population genetic structure studies involving various C. parvum subtype families using high-resolution tools are needed to better elucidate the origin and dissemination of C. parvum in the world.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang R,Zhang L,Axén C,Bjorkman C,Jian F,Amer S,Liu A,Feng Y,Li G,Lv C,Zhao Z,Qi M,Dong H,Wang H,Sun Y,Ning C,Xiao Ldoi
10.1038/srep04208subject
Has Abstractpub_date
2014-02-27 00:00:00pages
4208issn
2045-2322pii
srep04208journal_volume
4pub_type
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