Isolation and Characterization of Potential Lignin Peroxidase-Producing Bacteria from Compost Samples at Richards Bay (South Africa).

Autor:	Dube SL; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa., Osunsanmi FO; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa., Ngcobo BP; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa., Mkhwanazi LB; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa., Jobe ZZ; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa., Aruleba RT; 2Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Cape Town, South Africa., Mosa RA; 3Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Hatfield, South Africa., Opoku AR; 1Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa, South Africa.
Jazyk:	angličtina
Zdroj:	Polish journal of microbiology [Pol J Microbiol] 2023 Jun 14; Vol. 72 (2), pp. 117-124. Date of Electronic Publication: 2023 Jun 14 (Print Publication: 2023).
DOI:	10.33073/pjm-2023-003
Abstrakt:	Lignin recalcitrance is a key issue in producing value-added products from lignocellulose biomass. In situ biodegradable lignin-modifying enzymes-producing bacteria are considered a suitable solution to lignin biodegradation problems, but exploitation of ligninolytic bacteria is still limited to date. Hence, this study aimed to isolate and characterize potential lignin peroxidase ligninolytic bacteria from decomposing soil, sawdust, and cow dung at Richard Bay, South Africa. The samples were collected and cultured in the lignin-enriched medium. Pure isolated colonies were characterized through 16S rRNA gene sequencing. The ability of the isolates to grow and utilize aromatic monomers (veratryl and guaiacol alcohol) and decolorize lignin-like dyes (Azure B, Congo Red, Remazol Brilliant Blue R) was evaluated. Of the twenty-six (26) bacteria isolates 10 isolates, including Pseudomonas spp. (88%), Enterobacter spp. (8%), and Escherichia coli (4%) were identified as true lignin peroxidase producers. Pseudomonas aeruginosa ( CP031449.2) and E. coli (LR025096.1) exhibited the highest ligninolytic activities. These isolates could potentially be exploited in the industry and wastewater treatment as effective lignin degrading agents. (© 2023 Sindiswa L. Dube et al., published by Sciendo.)
Databáze:	MEDLINE
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