Inducible hydroxylation and demethylation of the herbicide isoproturon by Cunninghamella elegans

Martin Hangler, Bo Jensen, Stig Rønhede, Sebastian R. Sørensen

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Abstrakt

A screening of 27 fungal strains for degradation of the phenylurea herbicide isoproturon was performed and yielded 15 strains capable of converting the herbicide to polar metabolites. The zygomycete fungus Cunninghamella elegans strain JS/2 isolated from an agricultural soil converted isoproturon to several known hydroxylated metabolites. In addition, unknown metabolites were produced in minor amounts. Inducible degradation was indicated by comparing resting cells pregrown with or without isoproturon. This shows that strain JS/2 is capable of partially degrading isoproturon and that one or more of the enzymes involved are inducible upon isoproturon exposure.

OriginalsprogEngelsk
Sider (fra-til)254-260
Antal sider7
TidsskriftFEMS Microbiology Letters
Vol/bind268
Udgave nummer2
DOI
StatusUdgivet - mar. 2007

Programområde

  • Programområde 2: Vandressourcer

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