Decolourisation Capabilities of Ligninolytic Enzymes Produced by Marasmius cladophyllus UMAS MS8 on Remazol Brilliant Blue R and Other Azo Dyes

Ngieng Ngui Sing, Ahmad Husaini, Azham Bin Zulkharnain, Hairul Azman Roslan

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Marasmius cladophyllus was examined for its ability to degradatively decolourise the recalcitrant dye Remazol Brilliant Blue R (RBBR) and screened for the production of ligninolytic enzymes using specific substrates. Monitoring dye decolourisation by the decrease in absorbance ratio of A 592/A 500 shows that the decolourisation of RBBR dye was associated with the dye degradation. Marasmius cladophyllus produces laccase and lignin peroxidase in glucose minimal liquid medium containing RBBR. Both enzyme activities were increased, with laccase activity recorded 70 times higher reaching up to 390 U L-1 on day 12. Further in vitro RBBR dye decolourisation using the culture medium shows that laccase activity was correlated with the dye decolourisation. Fresh RBBR dye continuously supplemented into the decolourised culture medium was further decolourised much faster in the subsequent round of the RBBR dye decolourisation. In vitro dye decolourisation using the crude laccase not only decolourised 76% of RBBR dye in just 19 hours but also decolourised 54% of Orange G and 33% of Congo red at the same period of time without the use of any exogenous mediator. This rapid dye decolourisation ability of the enzymes produced by M. cladophyllus thus suggested its possible application in the bioremediation of dye containing wastewater.

Original languageEnglish
Article number1325754
JournalBioMed Research International
Volume2017
DOIs
Publication statusPublished - 2017 Jan 1
Externally publishedYes

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Azo Compounds
Coloring Agents
Enzymes
Laccase
Culture Media
Remazol Brilliant Blue R
Congo Red
Bioremediation
Enzyme activity

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

Decolourisation Capabilities of Ligninolytic Enzymes Produced by Marasmius cladophyllus UMAS MS8 on Remazol Brilliant Blue R and Other Azo Dyes. / Sing, Ngieng Ngui; Husaini, Ahmad; Bin Zulkharnain, Azham; Roslan, Hairul Azman.

In: BioMed Research International, Vol. 2017, 1325754, 01.01.2017.

Research output: Contribution to journalArticle

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