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. 2007 Dec;23(12):1733-8.
doi: 10.1007/s11274-007-9422-7. Epub 2007 May 18.

Mineralization of metanilic acid by Pseudomonas aeruginosa CLRI BL22

C Valli Nachiyar  1 , K Vijayalakshmi  1 , D Muralidharan  2 , G Suseela Rajakumar  3
Affiliations

Mineralization of metanilic acid by Pseudomonas aeruginosa CLRI BL22

C Valli Nachiyar et al. World J Microbiol Biotechnol. 2007 Dec.

Abstract

Pseudomonas aeruginosa CLRI BL22 was able to degrade metanilic acid, a sulfonated aromatic amine upto a concentration of 1,500 mg l(-1). The degradation of metanilic acid started when the organism reached its exponential growth phase. Chromatographic and spectrophotometric analyses confirmed the presence of aniline and β-keto adipic acid indicating the ortho pathway reaction. Further proof for this pathway was provided by dioxygenase activity of the strain grown in the medium containing metanilic acid and glucose.

Keywords: Aromatic amines; Biodegradation; Metanilic acid; Ortho pathway reaction; Pseudomonas aeruginosa.

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