In contrast to cellulase activity, the activity of the
extracellular enzyme laccase in compost oscillates out of phase
with fruit body enlargement (Wood & Goodenough, 1977 ;
Smith et al., 1989). The reason for this out of phase regulation
during fruiting is not certain. Possibly, the enzyme produces
fruiting inhibitory substances or, since laccase is a very abundant protein exported by the mycelium, demand for
nitrogen supplies during fruiting requires re-assimilation of
excreted nitrogen-containing compounds (Flegg & Wood,
1985).
In contrast to cellulase activity, the activity of theextracellular enzyme laccase in compost oscillates out of phasewith fruit body enlargement (Wood & Goodenough, 1977 ;Smith et al., 1989). The reason for this out of phase regulationduring fruiting is not certain. Possibly, the enzyme producesfruiting inhibitory substances or, since laccase is a very abundant protein exported by the mycelium, demand fornitrogen supplies during fruiting requires re-assimilation ofexcreted nitrogen-containing compounds (Flegg & Wood,1985).
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