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Fermentation activities of some new species of anaerobic rumen fungi from Malaysia


Citation

Ho, Yin Wan and Wong, Clemente Michael Vui Ling and Abdullah, Norhani and Kudo, Hiroshi and Syed Salim, Syed Jalaludin (1996) Fermentation activities of some new species of anaerobic rumen fungi from Malaysia. Journal of General and Applied Microbiology, 42 (1). pp. 51-59. ISSN 0022-1260; ESSN: 1349-8037

Abstract / Synopsis

The fermentation activities of three new anaerobic rumen fungi, viz, Neocallimastix variabilis, Piromyces spiralis and P. minutus, and a Caecomyces communis isolate grown on straw and filter paper media were studied. N. variabilis, P. spiralis and P. minutus produced carboxymethylcellulase (CMCase), FPase (filter paper activity) and xylanases when grown on straw and filter paper media. C. communis produced only xylanases, The maximum production of all the enzymes was at 72 h of fungal incubation. On both media, N. variabilis showed the highest enzyme activities, followed by P. spiralis and P. minutus. Specific enzyme activities of the three fungal isolates in descending order of production were: Xylanase > CMCase > FPase when grown on straw medium; and CMCase > Xylanase > FPase > cellobiase when grown on filter paper medium. The major end-products of fermentation by the three new fungal isolates were acetate and formate. Ethanol and succinate were produced in low amounts and lactate was not detected. The absence of lactate in the end-products of fermentation observed in this study is the first such report.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science and Environmental Studies
DOI Number: https://doi.org/10.2323/jgam.42.51
Publisher: The Microbiology Research Foundation
Keywords: Fermentation; Anaerobic rumen fungi
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 26 Apr 2016 10:07
Last Modified: 26 Apr 2016 10:07
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.2323/jgam.42.51
URI: http://psasir.upm.edu.my/id/eprint/35210
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