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2014•Virus GenesOpen access

Human G3P[4] rotavirus obtained in Japan, 2013, possibly emerged through a human–equine rotavirus reassortment event

Rungnapa Malasao, Mayuko Saito, Akira Suzuki, Toshifumi Imagawa, Nao Nukiwa-Soma, Kentaro Tohma, Xiaofang Liu, Michiko Okamoto, Natthawan Chaimongkol, Clyde Dapat, Kazuhisa Kawamura, Yasuko Kayama, Yoshifumi Masago, Tatsuo Omura, Hitoshi Oshitani

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Abstract

Two novel G3P[4] rotavirus strains were detected from children with acute diarrhea in Sendai, Japan, identified as a G3-P[4]-I2-R2-C2-M2-A2-N2-T2-E2-H2 genotype constellation by whole-genome sequence analysis. The VP7 gene of the two strains displayed the highest nucleotide sequence identity (91 %) and showed a close genetic relationship (99 % bootstrap value) to an equine rotavirus reported in India. The other gene segments were related to human group A rotaviruses. This report suggests a possible reassortment event between human and equine rotaviruses.

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Two novel G3P[4] rotavirus strains were detected from children with acute diarrhea in Sendai, Japan, identified as a G3-P[4]-I2-R2-C2-M2-A2-N2-T2-E2-H2 genotype constellation by whole-genome sequence analysis. The VP7 gene of the two strains displayed the highest nucleotide sequence identity (91 %) and showed a close genetic relationship (99 % bootstrap value) to an equine rotavirus reported in India. The other gene segments were related to human group A rotaviruses. This report suggests a possible reassortment event between human and equine rotaviruses.

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Available abstract

Two novel G3P[4] rotavirus strains were detected from children with acute diarrhea in Sendai, Japan, identified as a G3-P[4]-I2-R2-C2-M2-A2-N2-T2-E2-H2 genotype constellation by whole-genome sequence analysis. The VP7 gene of the two strains displayed the highest nucleotide sequence identity (91 %) and showed a close genetic relationship (99 % bootstrap value) to an equine rotavirus reported in India. The other gene segments were related to human group A rotaviruses. This report suggests a possible reassortment event between human and equine rotaviruses.

Key concepts: Reassortment, Rotavirus, Biology, Virology, Genotype, Diarrhea, Gene, Whole genome sequencing

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Human G3P[4] rotavirus obtained in Japan, 2013, possibly emerged through a human–equine rotavirus reassortment event — Research Paper | ScholarLens