Table 1. Profiles of GH proteins targeting plant cell wall in rumen and gut microbiomes1.
| Yak rumen2 | Cow rumen [5] | Bovine rumen [6] | Macropod Gut [11] | Termite Gut [12] | |
| Cellulases | |||||
| GH5 | 1302(12) | 1451 | 7 | 10 (14) | 56 |
| GH6 | 0(0) | 0 | 0 | 0 (1) | 0 |
| GH7 | 0(0) | 1 | 0 | 0 (0) | 0 |
| GH9 | 767(7) | 795 | 6 | 0 (2) | 9 |
| GH44 | 0(0) | – | 0 | 0 (0) | 6 |
| GH45 | 13(1) | 115 | 0 | 0 (0) | 4 |
| GH48 | 32(0) | 3 | 0 | 0 (0) | 0 |
| Total | 2114(20) | 2365 | 13 | 10 (17) | 75 |
| Endohemicellulases | |||||
| GH8 | 174(6) | 329 | 4 | 1 (1) | 5 |
| GH10 | 2664(14) | 1025 | 7 | 11 (3) | 46 |
| GH11 | 244(0) | 165 | 1 | 0 (0) | 14 |
| GH12 | 0(0) | 0 | 0 | 0 (0) | 0 |
| GH26 | 537(9) | 369 | 5 | 5 (8) | 15 |
| GH28 | 244(4) | 472 | 5 | 2 (1) | 6 |
| GH53 | 1066(5) | – | 17 | 9 (0) | 12 |
| Total | 4929(38) | 2360 | 39 | 28 (13) | 98 |
| Debranching enzymes | |||||
| GH51 | 0(9) | – | 64 | 12 (1) | 18 |
| GH54 | 111(1) | – | 1 | 0 (0) | 0 |
| GH62 | 0(0) | 1 | 0 | 0 (0) | 0 |
| GH67 | 1090(2) | 120 | 0 | 5 (0) | 10 |
| GH78 | 426(7) | 1260 | 34 | 25 (0) | 0 |
| Total | 1627(19) | 1381 | 99 | 42 (1) | 28 |
| Oligosaccharide-degrading enzymes | |||||
| GH1 | 331(1) | 253 | 10 | 61 (1) | 22 |
| GH2 | 942(13) | 1436 | 186 | 24 (4) | 23 |
| GH3 | 5448(24) | 2844 | 176 | 72 (3) | 69 |
| GH29 | 899(1) | 939 | 74 | 2 (1) | 0 |
| GH35 | 468(0) | 158 | 12 | 3 (1) | 3 |
| GH38 | 90(1) | 272 | 17 | 3 (0) | 11 |
| GH39 | 159(1) | 315 | 2 | 1 (0) | 3 |
| GH42 | 207(4) | 374 | 11 | 8 (1) | 24 |
| GH43 | 2313(28) | – | 61 | 10 (9) | 16 |
| GH52 | 0(0) | – | 0 | 0 (0) | 3 |
| Total | 10857(73) | 6591 | 549 | 184 (20) | 174 |
| Total plant cell wall –targeting GHs | 19527(150) | 12697 | 700 | 264 | 375 |
| Total GHs | 37563(263) | 27755 | 957 | 557 | 704 |
1
Numbers inside and outside parentheses are those retrieved from the constructed libraries and metagenomes from the same microbiomes, respectively.
2
Data inside the parentheses are the results of de-redundancy.