TABLE 3.

Cleavage of [¹⁴C]PEG by G. trabeum mycelial mats

Quinone(s) added (concn)	Scissions/polymera at:
	1 h	2 h
None	−0.013 ± 0.007	−0.029 ± 0.007
2,5-DMBQ (28 μM)	0.309 ± 0.021	0.771 ± 0.013
4,5-DMBQ (4 μM)	0.087 ± 0.020	0.215 ± 0.034
2,5-DMBQ (28 μM) + 4,5-DMBQ (4 μM)	0.397 ± 0.024	0.831 ± 0.079
2,5-DMBQ (32 μM)	0.377b ± 0.054	0.745c ± 0.055
4,5-DMBQ (32 μM)	0.110b ± 0.015	0.221c ± 0.043

^aMeans ± SDs for three replicates. 

^bDifferent by t test with P = 0.0012. 

^cDifferent by t test with P = 0.0002.