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Microbial desulphonation and β-naphthol formation from 2-naphthalenesulphonic acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
36530 45136 2005 7 PDF Available
Title
Microbial desulphonation and β-naphthol formation from 2-naphthalenesulphonic acid
Abstract

Under sulphate limitation, axenic batch cultures of strain RMNT and the mixed culture Co 27 isolated from sulphurous springs metabolize 2-naphthalenesulphonic acid (2NS) and use sulphonate as a source of sulphur. The main metabolite was identified as 2-naphthol. The effects of various culture conditions and atmosphere compositions on the efficiency of release of β-naphthol were studied. Glucose was added to some culture medium and pH was controlled in some cultures. The results collected included β-naphthol released during batch incubation. The release of β-naphthol varied with the pH of the medium, dark incubation, glucose concentration and oxygenation. Mixed cultures were better β-naphthol producers than pure cultures. Microbial strains desulphonated the aromatic compound, but did not utilize it as a carbon source. Bacterial strains present in the mixed culture were identified: three were of the genus Bacillus and two others were Kingella and Corynebacterium.

Keywords
2-Naphthalenesulphonic acid; Desulphonation; β-Naphthol; Biological treatment; Selected mixed culture; Mutual interactions
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Microbial desulphonation and β-naphthol formation from 2-naphthalenesulphonic acid
Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 40, Issue 7, June 2005, Pages 2297–2303
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering