Fig. 1From: Reduction of selenite to Se(0) nanoparticles by filamentous bacterium Streptomyces sp. ES2-5 isolated from a selenium mining soilNeighbor-joining phylogenetic tree based on 16S rRNA gene sequences using MEGA software version 5, showing the phylogenetic relationship of strain ES2-5 and related type strains. Bootstrap values >50 % based on 1000 replications are shown at branch nodes. Bar, 0.002 substitutions per nucleotide positionBack to article page