METHOD OF OBTAINING CELLULASE DEFICIENT STRAINS OF WHITE-ROT FUNGI

摘要

ABSTRACTA method is described of obtaining cellulasedeficient strains which have great ability to degradelignin at the same time. The method comprises crossinga homokaryotic cellulase deficient mutant of a white-rotfungus having a full sexual cycle with a homokaryoticstrain of the same fungus, this strain having great lignindegrading ability. Strains are subsequently selectedthat have great ligning degrading ability in combinationwith cellulase deficiency. A suitable white-rot fungisis Phanerochaete chrysosporium. The crossings are suitablyperformed for a plurality of generations. The strain ofwhite-rot fungus obtained is used for delignifyinglignocellulosic material