Article (Scientific journals)
Proteomic study of linuron and 3,4-dichloroaniline degradation by Variovorax sp. WDL1: evidence for the involvement of an aniline dioxygenase-related multicomponent protein
Breugelmans, P.; Dejonghe, W.; Leroy, Baptiste et al.
2010In Research in Microbiology, 161 (3), p. 208-18
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Abstract :
[en] A proteomic approach was used to explore the metabolism of the phenylurea herbicide linuron and 3,4-dichloroaniline (3,4-DCA) in Variovorax sp. WDL1. This bacterium grows on linuron as sole source of carbon, nitrogen and energy, while it transiently accumulates 3,4-DCA as a metabolite. Differential protein expression analysis of Variovorax sp. WDL1 grown in a heterotrophic medium in the presence and absence of linuron or 3,4-DCA was conducted using 2-D PAGE. Selected up- and downregulated proteins were identified with nanoLC-ESI-MS/MS. In the 3,4-DCA-supplemented culture, upregulation of several proteins showing high amino acid sequence similarity to different components of the multicomponent aniline dioxygenase in aniline-degrading Proteobacteria was observed. For one of the components, multiple variant proteins were detected, suggesting that strain WDL1 harbors several copies of the aniline dioxygenase (AD) gene cluster which are simultaneously expressed in the presence of 3,4-DCA. A number of unidentifiable proteins, which were upregulated in the linuron- and/or 3,4-DCA-supplemented cultures, might represent up to now uncharacterized proteins with a role in linuron and/or 3,4-DCA degradation in strain WDL1. In addition, several stress-related proteins were differentially expressed.
Disciplines :
Biochemistry, biophysics & molecular biology
Biotechnology
Author, co-author :
Breugelmans, P.
Dejonghe, W.
Leroy, Baptiste  ;  Université de Mons > Faculté des Sciences > Protéomie et Microbiologie
Wattiez, Ruddy  ;  Université de Mons > Faculté des Sciences > Protéomie et Microbiologie
Schoofs, G.
De Mot, R.
Springael, D.
Language :
English
Title :
Proteomic study of linuron and 3,4-dichloroaniline degradation by Variovorax sp. WDL1: evidence for the involvement of an aniline dioxygenase-related multicomponent protein
Publication date :
01 April 2010
Journal title :
Research in Microbiology
ISSN :
0923-2508
eISSN :
1769-7123
Publisher :
Elsevier, Netherlands
Volume :
161
Issue :
3
Pages :
208-18
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S828 - Protéomie et Microbiologie
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