Mutants of Arabidopsis thaliana with altered responses to auxins and gravity

  title={Mutants of Arabidopsis thaliana with altered responses to auxins and gravity},
  author={E. P. Maher and S. J. B. Martindale},
  journal={Biochemical Genetics},
Auxin-resistant mutants of Arabidopsis have been induced and isolated by screening for survivors on a medium containing the herbicide 2,4-D. Thirty independently arisen mutants have been isolated in this way and one of them, P 83, has been investigated in detail. When wild type and P 83 are compared in concentration/response curves, where the response is the inhibition of root growth, the ED50 values of the auxins, 2,4-D and IAA, are 14-fold higher for the mutant. The mutant also responds… CONTINUE READING
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