<abstract xmlns="http://www.w3.org/1999/xhtml"><p> We investigated the degradation of biphenyl and identified main degradation products. Biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB) was added to cultivation media to identify whole collection of degradation products of four bacterial strains isolated from long-term PCB contaminated soil (Alcaligenes xylosoxidans and Pseudomonas stutzeri) and long-term PCB contaminated sediment (Ochrobactrum anthropi and Pseudomonas veronii). Cultivation flasks were processed in different time after inoculation to determine biphenyl fission rate. Alcaligenes xylosoxidans was revealed as the most appropriate strain for bioremediation process with the highest biphenyl transformation rate. Biphenyl degradation led to the formation of benzoic acid. However, as the presence of 2-hydroxy-6-oxo-6-phenylhex-2,4-dienoic acid (HOPDA) was not confirmed, the transformation pathway common for many other bacteria is probably modified.</p></abstract>

We investigated the degradation of biphenyl and identified main degradation products. Biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB) was added to cultivation media to identify whole collection of degradation products of four bacterial strains isolated from long-term PCB contaminated soil (Alcaligenes xylosoxidans and Pseudomonas stutzeri) and long-term PCB contaminated sediment (Ochrobactrum anthropi and Pseudomonas veronii). Cultivation flasks were processed in different time after inoculation to determine biphenyl fission rate. Alcaligenes xylosoxidans was revealed as the most appropriate strain for bioremediation process with the highest biphenyl transformation rate. Biphenyl degradation led to the formation of benzoic acid. However, as the presence of 2-hydroxy-6-oxo-6-phenylhex-2,4-dienoic acid (HOPDA) was not confirmed, the transformation pathway common for many other bacteria is probably modified.

Identification of biodegradation products of biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB)

Slovak University of Technology, Faculty of Chemical and Food Technology Institute of Biotechnology and Food Science, Department of Biochemical Technology, Radlinského 9, 812 37 Bratislava, Slovakia

Water Research Institute, Nábrežie arm. gen. L. Svobodu 5, 812 49 Bratislava, Slovakia

Acta Chimica Slovaca

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

We investigated the degradation of biphenyl and identified main degradation products. Biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB) was added to cultivation...

Identification of biodegradation products of biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB)

Publié en ligne: 27 mai 2014

Pages: 44 - 51

DOI: https://doi.org/10.2478/acs-2014-0009

Mots clés
bacteria, biodegradation, biphenyl, degradation products, 2,3-dihydroxybiphenyl

© Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Identification of biodegradation products of biphenyl and 2,3-dihydroxybiphenyl (2,3-DHB)

Publié en ligne: 27 mai 2014

Pages: 44 - 51

DOI: https://doi.org/10.2478/acs-2014-0009

Mots clésbacteria, biodegradation, biphenyl, degradation products, 2,3-dihydroxybiphenyl

© Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Mots clés
bacteria, biodegradation, biphenyl, degradation products, 2,3-dihydroxybiphenyl