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J Biosci Bioeng. 1999;88(5):577-81.

Isolation of azo-dye-degrading microorganisms and their application to white discharge printing of fabric.

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Osaka Prefecture Institute of Public Health, Higashinari, Osaka 537-0025, Japan.


Three bacterial strains, which degraded azo dyes, were isolated from soil and sewage samples. The strains were identified as Bacillus sp. OY1-2, Xanthomonas sp. NR25-2 and Pseudomonas sp. PR41-1. The bacteria produced azo-dyes-degrading enzymes. That catalyzed the reduction of methyl red and produced dimethyl p-phenylenediamine and o-aminobenzoic acid. The enzymes could thus be applied to white discharge printing of azo-dyed fabric by owing to there.

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