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Figure 3 | Saline Systems

Figure 3

From: Long-term surveillance of sulfate-reducing bacteria in highly saline industrial wastewater evaporation ponds

Figure 3

Phylogenetic comparison of dsrA gene sequences retrieved from industrial wastewater evaporation ponds in 2005 and 2007. Geometric forms indicate the sequences according to the sampling date: black triangle, 2005 and black circle, 2007. Tree was constructed by the Neighbor-Joining method [19] with the Mega package [21] using partial dsrA sequences. The numbers in parentheses indicate the total number of similar clones on the basis of ≥ 97% identity for each representative sequence. The bar represents ten substitutions per 100 nucleotide positions. Bootstrap probabilities [20] are indicated at branch nodes.

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