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Table 2 Fibrolytic enzyme of the N. frontalis + M. gottschalkii co-culture YakQH5 grown on the 5 sorts of substrates

From: Roughage biodegradation by natural co-cultures of rumen fungi and methanogens from Qinghai yaks

Item Wheat straw Corn stalk Rice straw Sorghum straw Oat straw
Xylanase (mU/mL)
Day2 4811 a 3572 c 2900 d 4520 b 3998 c
Day3 10,703 a 7812 c 5926 d 8995 b 5911 d
Day4 12,910 a 9501 bc 7673 c 11,046 b 8815 c
Day5 8361 c 10,598 a 8235 c 9985 ab 9467 b
Average 9196 a 7871 c 6183 c 8637 b 7048 c
CMCase (mU/mL)
Day2 190 c 173 c 381 a 150 c 270 b
Day3 285 c 301 c 570 a 220 c 460 b
Day4 378 c 396 c 892 a 386 c 592 b
Day5 450 d 501 c 929 a 439 d 721 b
Average 326 c 343 c 693 a 299 c 516 b
FPase (mU/mL)
Day2 260 b 189 c 367 a 210 b 217 b
Day3 331 d 396 c 651 a 298 c 486 b
Day4 469 d 493 c 970 a 425 d 573 b
Day5 531 c 558 c 1187 a 479 d 683 b
Average 398 c 263 d 795 a 353 cd 489 b
FAE (mU/mL)
Day2 2.0 a 2.5 a 1.9 b 0.9 c 1.7 b
Day3 5.5 b 6.4 a 4.9 c 3.1 d 3.8 cd
Day4 8.9 a 8.1 b 9.1 a 4.6 d 5.9 c
Day5 9.0 c 10.5 a 11.3 b 7.5 d 7.7 d
Average 6.5 a 6.9 a 6.8 a 4.0 c 4.8 b
AE (mU/mL)
Day2 59 d 85 b 80 b 67 c 99 a
Day3 98 d 145 ab 130 b 106 c 157 a
Day4 157 c 198 a 169 b 177 b 193 a
Day5 183 d 245 a 175 d 199 c 208 b
Average 125 c 168 a 139 b 111 d 113 d
CAE (mU/mL)
Day2 0.7 c 1.5 b 0.8 c 3.9 a 0.9 c
Day3 1.2 d 2.8 b 2.0 c 8.8 a 2.3 b
Day4 2.0 d 3.5 b 2.6 c 13.6 a 3.1 b
Day5 2.3 d 4.9 b 2.8 d 20.5 a 3.6 c
Average 1.6 d 3.2 b 2.1 c 11.7 a 2.5 c
  1. CMCase, carboxymethyl cellulase; FPase, filter paper ase; FAE, ferulic acid esterase; AE, acetyl esterase; CAE, p-coumaric acid esterase; Day2-Day5: along the 5-day incubation; a, b, c, d indicate statistical difference (p < 0.05)