Degradation of organophosphonates by Penicillium citrinum

Utilization of organophosphonates as the sole source of phosphorus, carbon or nitrogen by a soil isolate of Penicillium citrinum was studied. Penicillium citrinum was found to utilize 2‐aminoethylphosphonic and 2‐oxoalkylphosphonic acids as the sole phosphorus source whereas 1‐hydroxyalkylphosphonates as well as 1‐aminoalkylphosphonates and their dipeptides did not support the growth of the fungus. The mould did not metabolize any of the phosphonates tested, when they served as the sole carbon or nitrogen source.

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