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Science 23 December 1983:
Vol. 222. no. 4630, pp. 1346 - 1349
DOI: 10.1126/science.222.4630.1346
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Articles

Molecular Basis of Herbicide Resistance in Amaranthus hybridus

JOSEPH HIRSCHBERG 1 and LEE MCINTOSH 1

1 MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing 48824

Resistance of different species of weeds to s-triazines, a commonly used class of herbicides, has been shown to involve a change in the binding affinity of the herbicide to a chloroplast polypeptide of 32,000 daltons. A single amino acid difference in this 32,000-dalton protein appears to be responsible for resistance to the herbicide in Amaranthus hybridus.

Submitted on August 2, 1983
Revised on October 24, 1983


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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