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Appl Environ Microbiol, June 1998, p. 2315-2317, Vol. 64, No. 6
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.

Isolation of a Bacterial Strain with the Ability To Utilize the Sulfonated Azo Compound 4-Carboxy-4'-Sulfoazobenzene as the Sole Source of Carbon and Energy

Silke Blümel, Matthias Contzen, Martina Lutz, Andreas Stolz, and Hans-Joachim Knackmuss*

Institut für Mikrobiologie der Universität Stuttgart, 70569 Stuttgart, Germany

Received 21 November 1997/Accepted 30 March 1998

A bacterial strain (strain S5) which grows aerobically with the sulfonated azo compound 4-carboxy-4'-sulfoazobenzene as the sole source of carbon and energy was isolated. This strain was obtained by continuous adaptation of "Hydrogenophaga palleronii" S1, which has the ability to grow aerobically with 4-aminobenzenesulfonate. Strain S5 probably cleaves 4-carboxy-4'-sulfoazobenzene reductively under aerobic conditions to 4-aminobenzoate and 4-aminobenzene-sulfonate, which are mineralized by previously established degradation pathways.

* Corresponding author. Mailing address: Institut für Mikrobiologie der Universität Stuttgart Allmandring 31 70569 Stuttgart, Germany. Phone: 49-711-685-5487. Fax: 49-711-685-5725. E-mail: imbhjk{at}po.uni-stuttgart.de.

Appl Environ Microbiol, June 1998, p. 2315-2317, Vol. 64, No. 6
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.


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