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The phylogenetic tree of the genus Prevotella . a The phylogenetic tree build by Maximun-Likelihood Method. The isolation sites are marked on the phylogenetic tree. unmarked: oral cavity; △: human feces (HF);▲: rumen(RU); ○: abscesses (AB);●: vagina (FV). b. The phylogenetic tree build by Neighbor-joining Method.
