Different Amino Acid Exchanges in the Dl Protein Cause Different Degrees of Shade Type Appearance in Herbicide Tolerant Anacystis

  • Friederike Koenig


Different herbicide tolerant mutants of Anacystis R2, obtained via exchange of the susceptible versus a resistant psbA gene (1–4), show different phenotypes when grown in high light intensity. Concerning the architecture of the photosynthetic apparatus, some of the mutants have the appearance of wildtype cells grown either in low light in the absence or in high light in the presence of DCMU-type inhibitors (5,6). It will be demonstrated that site and mode of amino acid exchange in the Dl protein strongly influence the intensity of shade type appearance in the mutants.


Amino Acid Exchange Photosynthesis Research psbA Gene Tolerant Mutant Wildtype Cell 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Friederike Koenig
    • 1
  1. 1.Botanisches Institut der J.W. Goethe-UniversitätFrankfurt am MainWest Germany

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