Chaetomium cellulolyticum , growth behavior on cellulose and protein production

The growth behavior of Chaetomium cellulolyticum in cellulose medium indicated that long fibers of cellulose (Solka-Floc S.W. 40) are broken into shorter ones during the early phases of fermentation followed by longitudinal splitting of short fibers into fibrils and ultimately almost complete utiliz...

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Bibliographic Details
Published in:Mycologia 1978, Vol.70 (1), p.160-170
Main Authors: Chahal, D.S, Wang, D.I.C
Format: Article
Language:English
Subjects:
Autolysis
Biomass production
Cell growth
Chaetomium
Fermentation
Fungi
Mycelium
Protein synthesis
Trichoderma
Wood pulp
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Summary:The growth behavior of Chaetomium cellulolyticum in cellulose medium indicated that long fibers of cellulose (Solka-Floc S.W. 40) are broken into shorter ones during the early phases of fermentation followed by longitudinal splitting of short fibers into fibrils and ultimately almost complete utilization of the substrate. Chaetomium cellulolyticum was found to be a fast-growing organism on 1% cellulose with a protein synthesis rate of 0.09 h -1 . The rate of protein synthesis increased more than threefold (0.3 h -1 ) when 1% more substrate was added immediately after the complete conversion of the first batch of substrate. The growth behavior of C. cellulolyticum on cellulose indicated that it might be the most suitable organism for cyclic-batch or continuous fermentation of cellulose for microbial protein production. NaOH utilization, to keep the level of pH at 5.0 during fermentation, correlated positively with the synthesis of protein. The rate of NaOH utilization during fermentation could be used as an indication of growth of or protein synthesis by an organism when other methods cannot be used immediately.
ISSN:0027-5514
1557-2536
DOI:10.1080/00275514.1978.12020211