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

47 Scopus citations

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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