Degradation of polycyclic aromatic hydrocarbons (phenanthrene and pyrene) by the ligninolytic fungi Ganoderma lucidum isolated from the hardwood stump

Bioresources and Bioprocessing

Table 1 Ligninolytic enzyme production by G. lucidum during phenanthrene and pyrene degradation

Days	Laccase activity (U/L)			LiP activity (U/L)			MnP activity (U/L)
Days	Control	Phenanthrene	Pyrene	Control	Phenanthrene	Pyrene	Control	Phenanthrene	Pyrene
2	28.43 ± 2.95	2106.00 ± 482.30***	1135.00 ± 18.09**	91.50 ± 5.2	109.30 ± 22.52^ns	355.20 ± 96.7**	1005.00 ± 43.8	4614.00 ± 286.5****	8530.00 ± 131.90****
5	83.40 ± 6.9	3412.00 ± 88.52****	1020.00 ± 93.95****	105.30 ± 8.8	1608.00 ± 45.11****	2779.00 ± 111.00****	1093.00 ± 66.1	7052.00 ± 30.45****	6505.00 ± 234.50****
10	904.10 ± 48.48	9538.00 ± 74.32****	336.40 ± 16.88****	720.00 ± 65.21	2097.00 ± 103.8****	1552.00 ± 105.4****	1056.00 ± 43.66	47,444.00 ± 590****	2320.00 ± 110.70**
15	1154.00 ± 77.2	10,788.00 ± 535.20****	6915.00 ± 144.10****	1175.00 ± 45.46	3283.00 ± 100.2****	2484.00 ± 250.2***	15,035.00 ± 62.76	31,516.00 ± 368.9****	50,977.00 ± 663.20****
20	829.50 ± 21.91	3949.00 ± 57.26****	3416.00 ± 58.02****	852.60 ± 41.78	2995.00 ± 62.22****	2508.00 ± 267.2****	2137.00 ± 88.29	8237.00 ± 193.6****	7413.00 ± 268.20****
25	996.00 ± 50.58	7548.00 ± 392.60****	9122.00 ± 39.56****	653.9 ± 29.99	2906.00 ± 105.4****	3613.00 ± 137.6****	3391.00 ± 148.3	32,712.00 ± 1581.0****	31,856.00 ± 1606.00****
30	184.90 ± 9.95	6876.00 ± 373.10****	10,166.00 ± 222.30****	612.40 ± 10.95	1391.00 ± 234.3**	1564.00 ± 195.1**	3048.00 ± 82.79	30,593.00 ± 71.37****	25,209.00 ± 1632.00****

Values represent three independent replicates (n = 3) with mean ± standard deviation. Values represent in column are significant different, ns - non significant, ****p<0.0001, ***p<0.001, ** p<0.01 and *p<0.05