Degradation of malathion by salt-marsh microorganisms.

AUTOR(ES)

Bourquin, A W

RESUMO

Numerous bacteria from a salt-marsh environment are capable of degrading malathion, an organophosphate insecticide, when supplied with additional nutrients as energy and carbon sources. Seven isolates exhibited ability (48 to 90%) to degrade malathion as a sole carbon source. Gas and thin-layer chromatography and infrared spectroscopy confirmed malathion to be degraded via malathion-monocarboxylic acid to the dicarboxylic acid and then to various phosphothionates. These techniques also identified desmethyl-malathion, phosphorthionates, and four-carbon dicarboxylic acids as degradation products formed as a result of phosphatase activity.

Documentos Relacionados

• Relative Contributions of Bacteria and Fungi to Rates of Degradation of Lignocellulosic Detritus in Salt-Marsh Sediments †
• Hypoxic coma as a strategy to survive inundation in a salt-marsh inhabiting spider
• Modification of the Gelatin-Matrix Method for Enumeration of Respiring Bacterial Cells for Use with Salt-Marsh Water Samples †
• Degradation of purines and pyrimidines by microorganisms.
• Degradation of [8,9,-14C]endosulfan by soil microorganisms.