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

Author:

Ternan Nigel G.1,McGrath John W.12,Quinn John P.12

Affiliation:

1. School of Biology and Biochemistry1 and

2. the QUESTOR Centre,2 The Queen’s University of Belfast, Belfast, Northern Ireland

Abstract

ABSTRACT 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.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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