Tracking of enzymatic biomass deconstruction by fungal secretomes highlights markers of lignocellulose recalcitrance

Table 1 Composition of residual (solid) fractions R0, R1 and R2

Samples	Biomass	Secretome	Glc	Xyl	Ara	Lignin	Ferulic acid^a	p-Coumaric acid^a
R0	Wheat straw	None	54.7 ± 1.9	5.67 ± 0.23	0.39 ± 0.04	30.34 ± 0.07	0.06	0.13
	Miscanthus		59.4 ± 1.1	2.09 ± 0.04	0.39 ± 0.04	34.09 ± 0.92	0.07	0.55
	Poplar		53.3 ± 0.8	0.63 ± 0.01	0.11 ± 0.01	45.82 ± 1.74	0.01	0.01
R1	Wheat straw	T. reesei	26.8 ± 1.1	4.02 ± 0.17	0.59 ± 0.07	54.56 ± 0.58	0.08	0.26
	Miscanthus		36.6 ± 0.9	1.94 ± 0.05	0.51 ± 0.05	59.74 ± 0.21	0.07	0.89
	Poplar		20.7 ± 0.9	0.44 ± 0.02	0.12 ± 0.08	73.03 ± 1.43	0.01	0.02
R2	Wheat straw	T. reesei	16.6 ± 0.3	2.96 ± 0.10	0.48 ± 0.01	61.85 ± 0.76	0.08	0.28
	Miscanthus		31.3 ± 1.1	1.72 ± 0.08	0.49 ± 0.03	65.83 ± 1.04	0.07	0.99
	Poplar		13.8 ± 0.3	0.46 ± 0.04	0.07 ± 0.02	80.32 ± 4.51	0.01	0.02
	Wheat straw	L. arvalis	22.5 ± 0.6	3.64 ± 0.01	0.47 ± 0.04	54.85 ± 2.50	0.08	0.28
	Miscanthus		33.8 ± 1.3	1.91 ± 0.09	0.43 ± 0.04	53.47 ± 2.62	0.08	1.09
	Poplar		21.0 ± 0.2	0.63 ± 0.02	0.07 ± 0.01	74.89 ± 3.44	0.01	0.02
	Wheat straw	A. elegans	23.2 ± 0.3	3.68 ± 0.01	0.48 ± 0.01	48.39 ± 0.35	0.06	0.25
	Miscanthus		37.1 ± 0.7	2.05 ± 0.05	0.51 ± 0.03	59.18 ± 3.79	0.06	0.90
	Poplar		20.9 ± 0.2	0.60 ± 0.01	0.11 ± 0.01	67.62 ± 1.17	0.01	0.02
	Wheat straw	T. ljubarskyi	22.7 ± 0.8	3.63 ± 0.17	0.50 ± 0.04	48.33 ± 1.86	0.06	0.25
	Miscanthus		33.7 ± 1.1	2.00 ± 0.07	0.56 ± 0.03	61.70 ± 1.95	0.06	0.98
	Poplar		19.9 ± 0.5	0.65 ± 0.03	0.13 ± 0.03	76.11 ± 2.97	0.01	0.02

Results are expressed as % (w/w) of the residues. Values are means of independent triplicate measures
^aStandard deviations were below 2%

ISSN: 2731-3654