Fig 1. Denaturing gradient gel electrophoresis (DGGE) profiles of polymerase chain reaction (PCR)-amplified bacterial partial 16S rRNA gene fragments from different bacterial communities in the fermentation chamber of Holotrichia parallela larvae.

(1) Aerobic bacteria in fermentation chamber contents; (2) Aerobic bacteria from fermentation chamber wall; (3) Anaerobic bacteria in fermentation chamber contents; (4) Anaerobic bacteria from fermentation chamber wall.