Terbutryn resistance in a purple bacterium can induce sensitivity toward the 
plant herbicide DCMU

Sinning, Irmgard Maria; Michel, Hartmut; Mathies, Paul; Rutherford, Alfred William

doi:10.1016/0014-5793(89)81746-6

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Terbutryn resistance in a purple bacterium can induce sensitivity toward the plant herbicide DCMU

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Sinning, Irmgard Maria
Department of Molecular Membrane Biology, Max Planck Institute of Biophysics, Max Planck Society;

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Michel, Hartmut
Department of Molecular Membrane Biology, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Sinning, I. M., Michel, H., Mathies, P., & Rutherford, A. W. (1989). Terbutryn resistance in a purple bacterium can induce sensitivity toward the plant herbicide DCMU. FEBS Letters, 256(1-2), 192-194. doi:10.1016/0014-5793(89)81746-6.

Cite as: https://hdl.handle.net/21.11116/0000-0006-FC06-8

Abstract

Chromatophores of the mutant T4 (TyrL222 → Phe) from Rhodopseudomonas viridis, resistant toward the triazine herbicide terbutryn (2-methylthio-4-ethylamino-6-tertbutylamino-s-triazine), were studied by EPR and optical spectroscopy. IC50 values were measured with electron transfer inhibitors of the triazine, triazinone, phenol and urea classes. The mutant T4 is the first purple bacterium known so far, which is highly sensitive to the plant herbicide DCMU (3-(3,4-dichlorphenyl)-1, 1 -dimethyl-urea, also known as diuron).