Epidermal auxin biosynthesis facilitates rhizobial infection in Lotus japonicus.

  title={Epidermal auxin biosynthesis facilitates rhizobial infection in Lotus japonicus.},
  author={Marcin Nadzieja and Simon Kelly and Jens Stougaard and Dugald E Reid},
  journal={The Plant journal : for cell and molecular biology},
  volume={95 1},
Symbiotic nitrogen fixation in legumes requires nodule organogenesis to be coordinated with infection by rhizobia. The plant hormone auxin influences symbiotic infection, but the precise timing of auxin accumulation and the genetic network governing it remain unclear. We used a Lotus japonicus optimised variant of the DII-based auxin accumulation sensor and identified a rapid accumulation of auxin in the epidermis, specifically in the root hair cells. This auxin accumulation occurs in the… CONTINUE READING
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