Enzymatic mechanism and biochemistry for cyanide degradation: A review

Cyanides are fast-acting poisons, can be lethal if exposed in excess. In spite of fact, cyanides are discharged as effluents in large scale from industries every year. Certain bacteria, fungi, algae and plants produce cyanides. It has been observed that microbes and plant systems can degrade cyanide...

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Bibliographic Details
Published in:Journal of hazardous materials 2010-04, Vol.176 (1), p.1-13
Main Authors: Gupta, Neha, Balomajumder, Chandrajit, Agarwal, V.K.
Format: Article
Language:English
Subjects:
Applied sciences
Bacteria
Biochemistry
Biodegradation of cyanide
Biodegradation, Environmental
Cyanide degrading enzymes
Cyanides
Cyanides - metabolism
Degradation
Effluents
Enzymes
Exact sciences and technology
General purification processes
Industrial Waste - prevention & control
Microorganisms
Plants (organisms)
Plants and microbes
Pollution
Wastewaters
Water treatment and pollution
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Summary:Cyanides are fast-acting poisons, can be lethal if exposed in excess. In spite of fact, cyanides are discharged as effluents in large scale from industries every year. Certain bacteria, fungi, algae and plants produce cyanides. It has been observed that microbes and plant systems can degrade cyanides to less toxic compounds. There are many enzymes, which are produced by microorganisms that utilize cyanides as substrate to make alanine, glutamic acid, alfa-amino-butyric acid, beta-cyanoalanine, etc. Present paper deals with different enzymes, their mechanisms and corresponding pathways with respect to the known biochemistry of enzyme and feasibility for the use in treatment of cyanides containing industrial effluents.
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2009.11.038