Table 1.
Primers used in the present study
| Analysis | Primers/probes | Sequences (5'–3’) | Target | Ta (0C) | Amplicon size (bp) | Reference |
|---|---|---|---|---|---|---|
| DGGE | 344F | ACGGGYGCAGCAGGCGCGA | Archaea | 56 | 191 | Yu and colleagues (2008) |
| GC-519Ra | ATTACCGCGGCKGCTG | |||||
| GC-357Fa | CCTACGGGAGGCAGCAG | Bacteria | 56 | 194 | Yu and Morrison (2004b) | |
| 519R | ATTACCGCGGCKGCTG | |||||
| Pyrosequencing | ArcF-Ab | WCYGGTTGATCCYGCCRG | Archaea | 56 | 534 | Nelson (2011) |
| ArcR-Bc | YGGTRTTACCGCGGCGGCT | |||||
| BactF-Ab | AKRGTTYGATYNTGGCTCAG | Bacteria | 56 | 532 | Nelson (2011) | |
| BactR-Bc | GTNTBACCGCDGCTGCTG | |||||
| qPCR | Mbt-202F | CGCCTAAGGATGGATC | Methanobacterium | 60 | 148 | |
| Mbt-341Taqd | FAM-CGCGAAACCTCCGCAATGC-BHQ | Nelson (2011) | ||||
| Mbt-399R | TAAGAGTGGCACTTGGGK | |||||
| Mcu-934F | AGGAATTGGCGGGGGAGCAC | Methanoculleus | 60 | 309 | Franke-Whittle and colleagues (2009); Shigematsu and colleagues (2003) | |
| Mcu-1023Taqd | Cy5-GAATGATTGCCGGGCTGAAGACTC-BHQ | |||||
| Mcu-1200R | CCGGATAATTCGGGGCATGCTG | |||||
| MB1b | CGGTTTGGTCAGTCCTCCGG | Methanosarcina | 60 | 271 | Shigematsu and colleagues (2003) | |
| SAR761Taqd | HEX-ACCAGAACGGGTTCGACGGTGAGG-BHQ | |||||
| SAR835R | AGACACGGTCGCGCCATGCCT | |||||
| MS1b | CCGGCCGGATAAGTCTCTTGA | Methanosaeta | 60 | 272 | Shigematsu and colleagues (2003) | |
| SAE761Taqd | FAM-ACCAGAACGGACCTGACGGCAAGG-BHQ | |||||
| SAE835R | GACAACGGTCGCACCGTGGCC | |||||
| Mcp193F | TCCTCGAAAGATCCGTC | Methanocorpusculaceae | 60 | 314 | Goberna and colleagues (2010) | |
| Mcp491R | GCCYTGCCCTTTCTTCAC | This study |
A 40 nt GC clamp was attached at the 5’ end of the primer GC-519R and GC-357F.
A 21 nt adaptor A and TCAG key was attached at the 5’ end.
A 25 nt adaptor B and TCAG key and a 10 nt sample-specific barcode sequence was attached at the 5’ end.
The probes contain a fluorescence dye at 5’ end and a quencher BHQ at 3’.