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Fernandes NA, Isikhuemhen OS, Ohimain EI. Lignin degradation, ligninolytic enzymes activities and exopolysaccharide production by Grifola frondosa strains cultivated on oak sawdust. Braz J Microbiol. 2011;42(3):1101-8doi: 10.1590/S1517-838220110003000031.
Fernandes, N. A., Isikhuemhen, O. S., & Ohimain, E. I. (2011). Lignin degradation, ligninolytic enzymes activities and exopolysaccharide production by Grifola frondosa strains cultivated on oak sawdust. Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 42(3), 1101-8. https://doi.org/10.1590/S1517-838220110003000031
Fernandes, Nona A, et al. "Lignin degradation, ligninolytic enzymes activities and exopolysaccharide production by Grifola frondosa strains cultivated on oak sawdust." Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] vol. 42,3 (2011): 1101-8. doi: https://doi.org/10.1590/S1517-838220110003000031
Fernandes NA, Isikhuemhen OS, Ohimain EI. Lignin degradation, ligninolytic enzymes activities and exopolysaccharide production by Grifola frondosa strains cultivated on oak sawdust. Braz J Microbiol. 2011 Jul;42(3):1101-8. doi: 10.1590/S1517-838220110003000031. Epub 2011 Sep 01. PMID: 24031728; PMCID: PMC3768758.
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Braz J Microbiol. 2011 Jul;42(3):1101-8. doi: 10.1590/S1517-838220110003000031. Epub 2011 Sep 01.

Lignin degradation, ligninolytic enzymes activities and exopolysaccharide production by Grifola frondosa strains cultivated on oak sawdust.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]

Nona A Fernandes, Omoanghe S Isikhuemhen, Elijah I Ohimain

Affiliations

  1. Mushroom Biology & Fungal Biotechnology Laboratory, School of Agriculture and Environmental Sciences, North Carolina A&T State University , Greensboro, NC 2741 , USA.

PMID: 24031728 PMCID: PMC3768758 DOI: 10.1590/S1517-838220110003000031

Abstract

Fourteen strains of Grifola frondosa (Dicks.) S. F. Gray, originating from different regions (Asia, Europe and North America) were tested for lignin degradation, ligninolytic enzyme activities, protein accumulation and exopolysaccharide production during 55 days of cultivation on oak sawdust. Lignin degradation varied from 2.6 to7.1 % of dry weight of the oak sawdust substrate among tested strains. The loss of dry matter in all screened fungi varied between 11.7 and 33.0%, and the amount of crude protein in the dry substrate varied between 0.94 to 2.55%. The strain, MBFBL 596, had the highest laccase activity (703.3 U/l), and the maximum peroxidase activity of 22.6 U/l was shown by the strain MBFBL 684. Several tested strains (MBFBL 21, 638 and 662) appeared to be good producers of exopolysaccharides (3.5, 3.5 and 3.2 mg/ml respectively).

Keywords: Grifola frondosa; exopolysaccharide; laccase; lignin degradation; peroxidase

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