Figure 4From: Microbial community structures differentiated in a single-chamber air-cathode microbial fuel cell fueled with rice straw hydrolysateRarefaction curves based on pyrosequencing of bacterial communities. Samples were collected from anodic and cathodic samples, and planktonic culture. Inoculum was also analyzed to observe the change in microbial structure after microbial fuel cell operation. The operational taxonomic units (OTUs) were defined at 0.03 distances.Back to article page