TABLE 1.

Primers used in this research

Primer name	Sequence	Primer	Reference no.
21f	5′-TTCCGGTTGATCCYGCCGGA	Archaea	8
958r	5′-YCCGGCGTTGAMTCCAATT	Archaea	8
GC clamp	5′-TCGCCCGCCGCGCGCGGCGGGCGGGGCGGGGGCACGGG		27
PARCH 340f	5′-CCCTACGGGG(C/T)GCA(G/C)CAG	Archaea for DGGE	34
934r	5′-GTGCTCCCCCGCCAATTCCT	Archaea for DGGE	35