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Full genomic analysis of a human group A rotavirus G9P[6] strain from Eastern India provides evidence for porcine-to-human interspecies transmission.
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- المؤلفون: Mukherjee, Anupam1; Dutta, Dipanjan1; Ghosh, Souvik2; Bagchi, Parikshit1; Chattopadhyay, Shiladitya1; Nagashima, Shigeo2; Kobayashi, Nobumichi2; Dutta, Phalguni3; Krishnan, Triveni1; Naik, Trailokya Nath1; Chawla-Sarkar, Mamta1
- المصدر:
Archives of Virology. May2009, Vol. 154 Issue 5, p733-746. 14p. 11 Diagrams, 2 Charts.
- الموضوع:
- معلومة اضافية
- الموضوع:
- نبذة مختصرة :
Deduced amino acid sequence and phylogenetic analyses of a group A rotavirus G9P[6] strain (designated as mcs/13-07), detected from a 3-year-old child in Eastern India, revealed a VP8* closely related to porcine P[6] strains (P[6] sublineage 1D), and the VP7 clustered with G9 lineage-III strains. To our knowledge, this is the first report of human P[6] strain clustering in sublineage Id. Thus, to further characterize the evolutionary diversity of strain mcs/13-07, all gene segments were analyzed. VP6 and NSP4 exhibited genetic relatedness to Wa-like human subgroup II strains, while VP1-3, NSP1-3 and NSP5 were closely related to porcine strains. Based on the new classification system of rotaviruses, mcs/13-07 revealed a G9–P[6]–I1–R1–C1–M1–A8–N1–T1–E1–H1 genotype with close similarity to human Wa-like and porcine Gottfried strains. Therefore, considering the porcine-like or porcine origin of multiple gene segments, it might be tempting to assume that strain mcs/13-07 represents a rare instance of whole-virus transmission from pig to human, after which the virus evolved with time. Alternatively, it is possible that strain mcs/13-07 resulted from multiple reassortment events involving human subgroup II and porcine P[6] strains. Nevertheless, detection of strain mcs/13-07 provides further evidence for complex interspecies transmission events, which are frequent in developing countries. [ABSTRACT FROM AUTHOR]
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