TRANSPORTER OF IBA1 Links Auxin and Cytokinin to Influence Root Architecture

  • Marta Michniewicz
  • , Cheng Hsun Ho
  • , Tara A. Enders
  • , Eric Floro
  • , Suresh Damodaran
  • , Lauren K. Gunther
  • , Samantha K. Powers
  • , Elizabeth M. Frick
  • , Christopher N. Topp
  • , Wolf B. Frommer
  • , Lucia C. Strader

Research output: Contribution to journalArticlepeer-review

Abstract

Michniewicz and colleagues identify a vacuolar transporter of the auxin precursor indole-3-butyric acid (IBA) that regulates lateral root branching, which they named TOB1. TOB1 is transcriptionally regulated by the phytohormone cytokinin to alter IBA contributions to the auxin pool, thus providing a mechanism for cytokinin to regulate lateral root development.

Original languageEnglish
Pages (from-to)599-609.e4
JournalDevelopmental cell
Volume50
Issue number5
DOIs
StatePublished - Sep 9 2019

Keywords

  • Arabidopsis thaliana
  • auxin
  • hormone crosstalk
  • root system architecture
  • transport

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