Production of cis,cis-muconate from benzoate and 2-fluoro-cis,cis-muconate from 3-fluorobenzoate by 3-chlorobenzoate degrading bacteria |
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Authors: | Eberhard Schmidt Hans -Joachim Knackmuss |
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Affiliation: | (1) Gesamthochschule Wuppertal, Lehrstuhl für Chemische Mikrobiologie der Bergischen Universität, Gaußstr. 20, D-5600 Wuppertal, Germany |
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Abstract: | Summary 3-Chlorobenzoate grown cells of Pseudomonas sp. strain B13 or Alcaligenes sp. strain A7-2 converted 3-fluorobenzoate to 2-fluoro-cis,cis-muconate with 87% yield. The latter strain produced 1.6 g/l. The type II muconate cycloisomerases of neither strain exhibit acitivity for 2-fluoro-cis,cis-muconate. Succinate grown cells of Pseudomonas sp. strain B13 converted benzoate to cis,cis-muconate (91% yield; 7.4 g/l). Enzyme tests confirmed that no muconate cycloisomerising enzyme was induced within 24 h. |
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