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Folia microbiologica

Phosphate-independent utilization of phosphonoacetic acid as sole phosphorus source by a psychrophilic strain of Geomyces pannorum P15.


PMID 24570323

Abstract

A psychrophilic fungal strain of Geomyces pannorum P15 was screened for its ability to utilize a range of synthetic and natural organophosphonate compounds as the sole source of phosphorus, nitrogen, or carbon. Only phosphonoacetic acid served as a phosphorus source for microbial growth in phosphate-independent manner. Substrate metabolism did not lead to extracellular release of inorganic phosphate. No phosphonate metabolizing enzyme activity was detectable in cell-free extracts prepared from Geomyces biomass pregrown on 2 mmol/L phosphonoacetic acid.

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284270
Phosphonoacetic acid, 98%
C2H5O5P