Affiliation:
1. Laboratoire de Génétique Microbienne1 and
2. Laboratoire de Technologie Enzymatique,2 UMR 6022 CNRS, Université de Technologie de Compiègne, 60205 Compiègne cedex, France
Abstract
ABSTRACT
The 11-kb sequence encompassing the alkylbenzene upper pathway in
Pseudomonas putida
01G3, a psychrotrophic strain able to degrade alkylbenzenes at low temperatures, was characterized. Together with a potential regulator (EbdR), six putative enzymes (EbdAaAbAcAdBC) were identified, and they exhibited highly significant similarities with enzymes implicated in the equivalent pathway in
P. putida
RE204.
ebd
genes appeared to be preferentially induced by ethylbenzene. Multiple-alignment data and growth rate measurements led us to classify 01G3 and closely related strains in two groups with distinct substrate specificities. Close to identified genes, remnants of IS
5
-like elements provided insight into the evolution of catabolic sequences through rearrangements from a less complex ancestral cluster.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Cited by
17 articles.
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