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Science 12 April 1985:
Vol. 228. no. 4696, pp. 204 - 207
DOI: 10.1126/science.228.4696.204
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Articles

Herbicide Resistance and Cross-Resistance: Changes at Three Distinct Sites in the Herbicide-Binding Protein

JEANNE M. ERICKSON 1, MICHÈLE RAHIRE 1, JEAN-DAVID ROCHAIX 1, and LAURENS METS 2

1 Departments of Molecular Biology and Plant Biology, University of Geneva, CH-1211 Geneva 4, Switzerland
2 Department of Biology, University of Chicago, Chicago, Illinois 60637

Plants and algae resistant to the commonly used s-triazine herbicides display a wide spectrum of cross-resistance to other herbicides that act in a similar manner. Analysis of uniparental mutants of the green alga Chlamydomonas reinhardi showed that three different amino acid residues in the 32-kilodalton thylakoid membrane protein can be independently altered to produce three different patterns of resistance to s-triazine and urea-type herbicides. These results clarify the molecular basis for herbicide resistance and cross-resistance. Two of the mutations do not alter normal electron transport and thus may have applications of agronomic interest.

Submitted on November 20, 1984
Accepted on January 28, 1985


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Novel psbA1 Gene from a Naturally Occurring Atrazine-Resistant Cyanobacterial Isolate.
K. Sajjaphan, N. Shapir, A. K. Judd, L. P. Wackett, and M. J. Sadowsky (2002)
Appl. Envir. Microbiol. 68, 1358-1366
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Plants: novel developmental processes.
R. Goldberg (1988)
Science 240, 1460-1467
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)