Chitinases have received attention as they have been widely used as biocontrol agents for suppression of pathogenic fungi, mosquito control, mycolytic enzyme preparation, fungal protoplast technology, preparation of chito-oligosaccharides, glucosamine, and, cytochemical localization of chitin/chitosan using chitinase-chitosanase-gold complexes, production of single-cell protein, estimation of fungal biomass, morphogenesis, medical application, control of plant pathogenic fungi and degradation of fish wastes, etc.