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Appl Environ Microbiol, June 1998, p. 2291-2294, Vol. 64, No. 6
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.

Phosphoenolpyruvate Phosphomutase Activity in an L-Phosphonoalanine-Mineralizing Strain of Burkholderia cepacia

Nigel G. Ternan,1,* John W. McGrath,1,2 and John P. Quinn1,2

School of Biology and Biochemistry1 and the QUESTOR Centre,2 The Queen's University of Belfast, Belfast, Northern Ireland

Received 22 December 1997/Accepted 10 April 1998

A strain of Burkholderia cepacia isolated by enrichment culture utilized L-2-amino-3-phosphonopropionic acid (phosphonoalanine) at concentrations up to 20 mM as a carbon, nitrogen, and phosphorus source in a phosphate-insensitive manner. Cells contained phosphoenolpyruvate phosphomutase activity, presumed to be responsible for cleavage of the C---P bond of phosphonopyruvate, the transamination product of L-phosphonoalanine; this was inducible in the presence of phosphonoalanine.

* Corresponding author. Present address: Biotechnology Research Unit, School of Applied Biological and Chemical Sciences, University of Ulster, Cromore Road, Coleraine, Co. Londonderry, Northern Ireland BT52 1SA. Phone: 44 (0) 1265 323063. Fax: 44 (0) 1265 324906. E-mail: ng.ternan{at}ulst.ac.uk.

Appl Environ Microbiol, June 1998, p. 2291-2294, Vol. 64, No. 6
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.


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Copyright © 1998 by the American Society for Microbiology. All rights reserved.