A gain-of-function mutation in IAA28 suppresses lateral root development.

@article{Rogg2001AGM,
  title={A gain-of-function mutation in IAA28 suppresses lateral root development.},
  author={Luise E Rogg and Jamie Lasswell and Bonnie Bartel},
  journal={The Plant cell},
  year={2001},
  volume={13 3},
  pages={465-80}
}
The phytohormone auxin is important in many aspects of plant development. We have isolated an auxin-resistant Arabidopsis mutant, iaa28-1, that is severely defective in lateral root formation and that has diminished adult size and decreased apical dominance. The iaa28-1 mutant is resistant to inhibition of root elongation by auxin, cytokinin, and ethylene, but it responds normally to other phytohormones. We identified the gene defective in the iaa28-1 mutant by using a map-based positional… CONTINUE READING
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