Progress in biodegradation of industrial lignin in 2015–2021.

Raw material	Lignin type	Microorganism	Strain	Degradation time (d)	Degradation (%)	Ref.
Broad-leaved trees	Sodium sulfite treatment	Bacteria	Brevibacillus thermoruber	7	82.0	153
—	AL	Bacteria	Pseudocitrobacter anthropi MP-4	7	52.1	154
Switchgrass	—	Bacteria	A novel multi-copper polyphenol oxidoreductase (OhLac)	3	6.2	155
Corn stalk					5.2
Wheat straw					4.3
Corn straw	—	Bacteria	Enterobacter hormaechei KA3	7	32.1	156
Pulp and paper effluent	—	Bacteria	Brevibacillus parabrevis MTCC 12105	6	53.8	157
Wheat straw	—	Fungi	Pleurotus ostreatus	15	16.8	158
			Trametes versicolor		6.1
			Pleurotus eryngii		7.6
Corn stover	—	Fungi	Myrothecium verrucaria	14	49.9	159
Radiata pine	—	Fungi	Trametes versicolor	21	16.0	160
			Stereum hirsutum	21	16.0
Corn silage	—	Fungi	Trametes versicolor & cow manure	7	70.0	151
—	KL	Fungi	Phanerochaete chrysosporium & Irpex lacteus	21	26.4	161
Black liquor	—	Fungi	Daldania eschscholtzii SA2 146	7	15.0	162
—	Dealkaline lignin	Fungi & electro-fenton reaction	L. Edodes & optimal voltage (4 V)	4	89.0	163