Characterization of a Novel P[25],G11 Human Group A Rotavirus

Author:

Rahman Mustafizur12,Matthijnssens Jelle2,Nahar Sharifun1,Podder Goutam1,Sack David A.1,Azim Tasnim1,Van Ranst Marc2

Affiliation:

1. ICDDR,B, Centre for Health and Population Research, Mohakhali, Dhaka-1212, Bangladesh

2. Laboratory of Clinical and Epidemiological Virology, Rega Institute for Medical Research, University of Leuven, B-3000 Leuven, Belgium

Abstract

ABSTRACT A novel rotavirus strain (Dhaka6) isolated from a 21-year-old Bangladeshi male patient was characterized by sequence analysis of its VP7 and VP4 gene segments. Phylogenetic analysis of the VP7 gene of the Dhaka6 strain revealed a common evolutionary lineage with porcine G11 rotavirus strains. This isolate is the first reported G11 rotavirus strain infecting a human host. Comparison of the VP4 gene sequences with all currently recognized 24 different P genotypes revealed only low nucleotide (54 to 71%) and amino acid (52 to 76%) sequence identities. This lack of high sequence similarity in the VP4 gene indicates that the Dhaka6 isolate represents a new group A rotavirus P genotype, to which we propose assignment of the designation P[25].

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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