Figure 1From: Cultivation-independent methods applied to the microbial prospection of oil and gas in soil from a sedimentary basin in Brazil Proportion of 16S rRNA gene clones from P Soil among bacterial phyla (A); among classes within the phylum Proteobacteria and among orders within the phylum Actinobacteria (B). Sequence classification was based on the RDP classifier and BLASTn results.Back to article page