Metabolism of biphenyl. 2-Hydroxy-6-oxo-6-phenylhexa-2,4-dienoate: the meta-cleavage product from 2,3-dihydroxybiphenyl by Pseudomonas putida

Author:

Catelani Danilo1,Colombi Antonio1,Sorlini Claudia1,Treccani Vittorio1

Affiliation:

1. Institute of Agrarian and Technical Microbiology, University of Milan, 20133 Milan, Italy

Abstract

1. 2-Hydroxy-6-oxo-6-phenylhexa-2,4-dienoic acid was isolated and identified from washed suspensions of Pseudomonas putida incubated in the presence of 2,3-dihydroxybiphenyl. 2. Benzoic acid was isolated from reaction mixtures of crude cell-free extracts incubated with 2,3-dihydroxybiphenyl. 3. The presence in the same reaction mixtures of either 4-hydroxy-2-oxovalerate or 2-hydroxypenta-2,4-dienoate was suggested by mass spectrometry. 4. The degradative pathway of biphenyl is discussed.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry

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