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. 2015 Aug 25;6:853. doi: 10.3389/fmicb.2015.00853

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Copyright © 2015 Yuan, Lai, Sun, Zheng and Shao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Phylogenetic tree of culturable strains isolated from the nine PAH-degrading bacterial consortia. The dendrogram was constructed from a matrix by the neighbor-joining method using the MEGA3.1 program. Thousands of trial bootstrap analysis was used to provide confident estimates for phylogenetic tree topologies. The scale bar represented 0.05 substitutions per nucleotide site. The number in the bracket shows the frequency with which the bacterium appeared in the nine PAH-degrading consortia. “+” means the bacterium can grow well in the medium with PAHs as carbon sources. “(+)” means the bacterium can grow but not very well in the medium with PAHs as carbon sources. “-” means the bacterium cannot grow in the medium with PAHs as the carbon sources. Subgroups: Alpha-, Gammaproteobacteria; F, Firmicutes; A, Actinobacteria. Isolates named as PR and 2PR were isolated on agar plates of M2 agar and 216L, respectively.