JB Accepts, published online ahead of print on 23 October 2009
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J. Bacteriol. doi:10.1128/JB.01131-09
Copyright (c) 2009, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Accumulation of Intermediates of the Carbon-Phosphorus Lyase Pathway for Phosphonate Degradation in phn Mutants of Escherichia coli

Bjarne Hove-Jensen*, Tina J. Rosenkrantz, David L. Zechel, and Martin Willemoës

Department of Biology, University of Copenhagen, DK-2200 Copenhagen N, Denmark; and Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6, Canada

* To whom correspondence should be addressed. Email: hove{at}mermaid.molbio.ku.dk.


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Abstract

The catabolism of phosphonic acids occurs in Escherichia coli by the carbon-phosphorus lyase pathway, which is governed by the 14-cistron phn operon. Here several compounds are shown to accumulate in strains of E. coli with genetic blocks in various phn cistrons when the strains are fed with phosphonate.






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