Root-growth behavior of the Arabidopsis mutant rgr1. Roles of gravitropism and circumnutation in the waving/coiling phenomenon.

@article{Mullen1998RootgrowthBO,
  title={Root-growth behavior of the Arabidopsis mutant rgr1. Roles of gravitropism and circumnutation in the waving/coiling phenomenon.},
  author={Jack L. Mullen and Erin Turk and Keith B. Johnson and Cynthia K. Wolverton and Hideo Ishikawa and Carolyn Simmons and Dieter S{\"o}ll and Michael L. Evans},
  journal={Plant physiology},
  year={1998},
  volume={118 4},
  pages={1139-45}
}
In this study we investigated the kinetics of the gravitropic response of the Arabidopsis mutant rgr1 (reduced root gravitropism). Although the rate of curvature in rgr1, which is allelic to axr4, was smaller than in the wild type (ecotype Wassilewskija), curvature was initiated in the same region of the root, the distal elongation zone. The time lag for the response was unaffected in the mutant; however, the gravitropic response of rgr1 contained a feature not found in the wild type: when… CONTINUE READING

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A revised medium for rapid growth and bioassays with tobacco tissue cultures

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