Cellulolytic Activity in Lignicolous Marine Ascomycetes
Abstract:Cellulolytic activity, determined by the Nelson-Somogyi method, has been demonstrated in Lulworthia floridana Meyers, Torpedospora radiata Meyers, Ceriosporopsis halima Linder, Lignincola laevis Höhnk, Peritrichospora integra Linder, and Arenariomyces salinus Meyers. Cell free filtrates of these species acting on cellulose and powdered balsa wood substrates, under designated incubation conditions, produced approximately 0.075-0.150 mg. reducing sugar (RS)/ml., with maximum RS production at less than 0.3 mg./ml. Cellulolytic activity of a given filtrate varies considerably with the type and amount of substrate and the conditions of incubation. The amount of effective cellulases produced by these fungi on wood in the sea is not determinable. However, previous a priori evidence noting the presence of a cellulose degradating mechanism in species of lignicolous marine fungi has been substantiated.
Document Type: Research Article
Publication date: 1959-01-01
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