Skip to main content
letter
. 2010 Sep 2;5(3):559–564. doi: 10.1038/ismej.2010.143

Figure 1.

Figure 1

Neighbour-joining phylogenetic tree for the dissimilatory sulfate reductase gene dsrA of SRB showing relationship between sequences obtained from CP, IM and BBD lesion samples and reference sequences of SRBs obtained from GenBank. Sequences were grouped into OTUs on the basis of a 90% sequence identity cutoff. Representative sequences of OTU groups identified in this study are presented in bold text and numbers following in square brackets are indicative of the number of sequences within each OTU group. The * indicates sequences that have been retrieved from previous investigations of SRB in BBD lesions (Barneah et al., 2007). The scale bar is an estimate of sequence divergence (10%).