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Science 29 June 1973:
Vol. 180. no. 4093, pp. 1366 - 1368
DOI: 10.1126/science.180.4093.1366
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Articles

Methionine Sulfoximine-Resistant Mutants of Tobacco

Peter S. Carlson 1

1 Department of Biology, Brookhaven National Laboratory, Upton, New York 11973

Selecting mutants from populations of haploid plant cells cultured in vitro may provide a rapid method for recovering agriculturally useful variants. Mutants of Nicotiana tabacum were recovered which were resistant to methionine sulfoximine, an analog structurally similar to methionine. Induction of chlorosis was prevented or less evident in mutant plants that were inoculated withPseudomonas tabaci, a bacterial pathogen which produces a toxin that is a structural analog of methioning. Several mutants show a specific increase in the level of free methionine.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Plant Genetics: Increasing Crop Yield.
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Improving the Efficiency of Photosynthesis.
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