Brown Rot-Type Fungal Decomposition of Sorghum Bagasse: Variable Success and Mechanistic Implications

Table 2

Number of copies of gene families with activity on glucuronoarabinoxylan, cellulose, and mixed linkage glucan present in the genomes of seven brown rot fungi. The major taxonomic affiliations are shown, SL, Serpula lacrymans, CP, Coniophora puteana, WC, Wolfiporia cocos, PP, Postia placenta, FP, Fomitopsis pinicola, GT, Gloeophyllum trabeum, DP, Dacryopinax sp.

Relevant Activity^1	Family^2	Brown rot species^3
		Boletales		Polyporales			Gloeophyllales	Dacrymycetes
		CP	SL	PP	FP	WC	GT	DP
AXE/FE	CE 1	0	0	0	0	0	1	0
AXE	CE 4	9	6	2	3	4	5	11
AXE	CE 5	1	0	0	0	0	0	0
4MGU	CE 15	0	0	1	1	1	1	1
AE	CE 16	7	4	4	8	6	7	3
BGL/BXL/BGU	GH 1	3	3	2	2	1	5	1
BGU/ABF	GH 2	5	3	3	4	3	4	3
BGL/BXL/ABF/B3G/B4G	GH 3	13	10	6	12	8	11	9
EGL/EXL/BGL/B3G/EBG	GH 5	21	21	17	19	18	19	24
EGL/CBHII	GH 6	2	1	0	0	0	0	0
EGL/CBHI/E34G	GH 7	2	0	0	0	0	0	0
EGL/BGL/E34G/EBG/CBH	GH 9	1	1	0	0	0	1	1
EXL	GH 10	3	1	3	2	4	3	3
EGL/E34G	GH 12	4	2	2	2	2	2	1
E3G/E34G	GH 16	24	20	24	28	19	29	14
E3G/E34G	GH 17	4	2	2	3	2	2	3
E34G	GH 26	0	0	0	0	0	0	4
EXG/BGL/BGU/BXL	GH 30	7	2	3	10	2	3	4
BXL/ABF/EXL	GH 43	6	2	1	7	1	6	5
EGL	GH 45	1	0	0	1	0	1	1
EGL/EXL/BXL/AAF	GH 51	3	1	1	4	4	4	2
E3G/B3G	GH 55	5	6	3	3	3	2	2
EGL/EXG	GH 74	0	1	0	0	0	1	0
BGU	GH 79	4	6	2	3	3	6	7
E3G	GH 81	1	0	0	0	0	1	0
ABF	GH 93	1	0	0	0	0	0	0
AGU	GH 115	2	1	1	1	2	2	2
E3G	GH 128	9	5	5	4	2	6	2
E346G	GH 131	2	2	0	1	0	1	1

Each abbreviation represents an EC number indicating the specificity of an enzyme in each family. 4MGU, 4-O-methyl-glucuronyl methylesterase (EC 3.1.1.-), ABF, α-arabinofuranosidase (EC 3.2.1.55), AE, acetylesterase (EC 3.1.1.6), AXH, arabinoxylan arabinofuranohydrolase (EC 3.2.1.55), AXE, acetyl xylan esterase (EC 3.1.1.72), AGU, α-glucuronidase (EC 3.2.1.131), B3G, β-1,3-glucosidase (EC 3.2.1.58), B4G, β-1,4-glucosidase (EC 3.2.1.74), BGL, β-glucosidase (EC 3.2.1.21), BGU, β-glucuronidase (EC 3.2.1.31), BXL, β-xylosidase (EC 3.2.1.37), CBHII, cellobiohydrolase (EC 3.2.1.91), CBHI, cellobiohydrolase reducing end (EC 3.2.1.176), E34G, endo-β-1,3-1,4-glucanase (EC 3.2.1.73/3.2.1.6), E364G, exo-β-1,3-1,6 and endo-β-1,4-glucanase (EC 3.2.1.-), E3G, endo-β-1,3-glucanase (EC 3.2.1.39), EXG, exo-β-1,4-glucanase (EC 3.2.1.74), EGL, endo-β-1,4-glucanase (EC 3.2.1.4), EXL, endo-β-1,4-xylanase (EC 3.2.1.8), FE, feruloyl esterase (3.1.1.73); CE, carbohydrate esterase, GH, glycoside hydrolase; gene counts are adapted from [14].