Table 3.
The number of clones and similarity of the deduced amino acid sequences of the mcrA gene of each operational taxonomic unit (OTU) to cultured methanogens in horse and pony.
| OTUs | Nearest known methanogen* | Number of clones | ||
|---|---|---|---|---|
| Horse | Pony | Total | ||
| Methanomicrobiales | ||||
| OTU1 | Methanocorpusculum labreanum [NC_008942] (93) | 29 | 33 | 62 |
| OTU2 | Methanocorpusculum labreanum [NC_008942] (90) | 10 | 13 | 23 |
| OTU3 | Methanocorpusculum labreanum [NC_008942] (93) | 6 | 0 | 6 |
| OTU4 | Methanocorpusculum labreanum [NC_008942] (94) | 1 | 1 | 2 |
|
| ||||
| Methanobacteriales | ||||
| OTU5 | Methanobrevibacter smithii [DQ251046] (94) | 0 | 2 | 2 |
| OTU6 | Methanobrevibacter gottschalkii [ACK56066] (100) | 1 | 0 | 1 |
|
| ||||
| Methanoplasmatales | ||||
| OTU7 | Candidatus Methanomethylophilus alvus [KC412011] (80) | 1 | 1 | 2 |
| OTU8 | Candidatus Methanomethylophilus alvus [KC412011] (92) | 1 | 0 | 1 |
| OTU9 | Candidatus Methanomethylophilus alvus [KC412011] (83) | 1 | 0 | 1 |
*Number in brackets and in parenthesis is accession number and similarity value (%), respectively.