Organophosphonate metabolism by a moderately halophilic bacterial isolate

Velma E A Hayes, Nigel G. Ternan*, Geoffrey McMullan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


A Gram-negative halophile isolated from soil beneath a road gritting salt pile grew optimally at 10% (w/v) NaCl and was shown most likely to be Chromohalobacter marismortui or Pseudomonas beijerinckii on the basis of 16S rRNA analysis. The strain utilised phosphonoacetate, 2-aminoethyl-, 3-aminopropyl-, 4-aminobutyl-, methyl- and ethyl-phosphonates as phosphorus sources for growth. Differences were observed in the growth rate on different phosphonates and the range of phosphonates utilised at elevated NaCl concentrations, possibly as a result of differentially-induced transport mechanisms. An assay of cell-free extracts of 2-aminoethylphosphonate (2AEP) grown cells showed no detectable 2AEP:pyruvate aminotransferase or phosphonoacetaldehyde hydrolase activity. Copyright (C) 2000 Federation of European Microbiological Societies.

Original languageEnglish
Pages (from-to)171-175
Number of pages5
JournalFEMS Microbiology Letters
Issue number2
Publication statusPublished - 05 May 2000
Externally publishedYes


  • Biodegradation
  • C-P lyase
  • Halophilic
  • Organophosphonate
  • Pho regulon

ASJC Scopus subject areas

  • Genetics
  • Molecular Biology
  • Applied Microbiology and Biotechnology
  • Microbiology

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