Phylogenetic tree constructed with the nucleotide sequences of the VP7 gene of G1 strains.

Human rotavirus KH210 (G5) was used as an outgroup. The number adjacent to the node represents the bootstrap value and values lower than 70% have not been indicated. Scale bar shows genetic distance expressed as nucleotide substitutions per site. The strains identified in this study are marked with a filled circle. Strains from Sabah belong to lineage Ia, and II. The nucleotide sequences of our strains have been submitted to the databases of the DNA DataBank of Japan, the European Molecular Biology Laboratory, and GenBank. The accession numbers are shown at the beginning of each strain.