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Phylogenetic tree showing clustering ofLeptospiraconstructed based on the nucleotide sequence of partialrpoBgene by bootstrap test of phylogeny using neighbor-joining method in MEGA-4 program. The values of major clusters are indicated in the node or branch in tree, which represent the bootstrap confidence tested on using 1000 replicates of the data set. Bar represents the genetic distance i.e., number of substitutions per site.
