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Rapid and high biodegradation of phenols catalyzed by Candida tropicalis NCIM 3556 cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
17819 42698 2008 5 PDF Available
Title
Rapid and high biodegradation of phenols catalyzed by Candida tropicalis NCIM 3556 cells
Abstract

Cells of 19 yeast cultures, belonging to genus Candida were screened for biodegradation of phenol. The cultures procured from NCIM culture collection and were selected so as to contain a representative of varied strains of the species. These were grown in MGYP medium and tested for biodegradation of phenol. C. tropicalis (CT) nos. 3118, 3556 and C. lipolytica 3472 effectively degraded >90% 2 g l−1 phenol. The C. tropicalis 3556 strain was selected for further studies as it metabolized >95% phenol in just 16 h as compared to the other two which took 48 h. The maximum substrate concentration that could be completely degraded was 2 g l−1. A study of induction, of different concentration of phenol in the growth medium showed that toxicity to cell growth increased with increasing phenol levels in growth media. Biodegradation of phenol derivatives – o-cresol, m-cresol, 2,6-dimethyl phenol, α-naphthol, o-chlorophenol and p-nitrophenol, by the selected three strains indicated that the specificity of each culture varied for different substrate.

Keywords
Phenol; Phenol derivatives; Biodegradation; Candida tropicalis; Candida lipolytica
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Rapid and high biodegradation of phenols catalyzed by Candida tropicalis NCIM 3556 cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 43, Issue 6, 6 November 2008, Pages 431–435
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us