by DGGE to confirm that the expected products have
been isolated. The samples yielding a single band comigrating with the original sample were then excised
and amplified with the primers without GC-clamp,
purified and sent to GenScript Company (Nanjing,
China) for sequencing. The sequences of bacteria and
fungi gene fragments were searched with basic local
alignment search tool in GenBank to find the closest
known relatives of the partial bacteria and fungus sequences.