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Cited by 268

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Reduction of azo dyes by intestinal anaerobes

Open access
Chung, K T, Fulk, G E, Egan, M·1978·Applied and Environmental Microbiology

Abstract

Reduction of seven azo dyes (amaranth, Ponceau SX, Allura Red, Sunset Yellow, tartrazine, Orange II, and methyl orange) was carried out by cell suspensions of predominant intestinal anaerobes. It was optimal at pH 7.4 in 0.4 M phosphate buffer and inhibited by glucose. Flavin mononucleotide caused a marked enhancement of azo reduction by Bacteroides thetaiotaomicron. Other electron carriers, e.g., methyl viologen, benzyl viologen, phenosafranin, neutral red, crystal violet, flavin adenine dinucleotide, menadione, and Janus Green B can replace flavin mononucleotide. These data suggest that an extracellular shuttle is required for azo reduction.

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Crossref · 10.1128/aem.35.3.558-562.1978

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Metadata

Authors
Chung, K. T., Fulk, G. E., & Egan, M.
Venue
Applied and Environmental Microbiology
Published
1978-03
Volume
35
Issue
3
Pages
558-562
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2124586303
Cited by
268
References
0
FWCI
10.84
Type
journal article
Language
en
Open access
bronze

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.