Figure 1From: A pyrosequencing-based metagenomic study of methane-producing microbial community in solid-state biogas reactorThe electrophoresis results of DNA preparations based on the five methods from a biogas reactor sample. M, molecular marker Transplus 2 K. P, F, E, EY, S refer to the five protocols, respectively. Except for Protocol P, which was loaded with 5 μl of undiluted DNA solution, only 1 μl of undiluted DNA solution was loaded on the 0.8% agarose gels for the rest of the extracts.Back to article page