BioMed Research International / 2014 / Article / Fig 6

Research Article

Genetic Diversity and Distribution of Human Norovirus in China (1999–2011)

Figure 6

Phylogenetic recombination analyses of NoV sequences from China. Two unrooted phylogenetic trees were reconstructed using partial ORF1 (231 nt) (a) and ORF2 (259 nt) (b) nucleotide sequences. The trees were reconstructed using the maximum-likelihood method. Bootstrap values above 70%, estimated with 1000 pseudoreplicate data sets, are indicated at each node. The distance scale represents the number of nucleotide substitutions per position. The various genotypes are highlighted, and the recombination sequences from China are indicated with a diamond. The reference sequences were retrieved from the NCBI database.
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