Gibberellin Localization and Transport in Plants

Jenia Binenbaum, Roy Weinstain, Eilon Shani

Research output: Contribution to journalReview articlepeer-review

Abstract

Distribution patterns and finely-tuned concentration gradients of plant hormones govern plant growth and development. Gibberellin (GA) is a plant hormone regulating key processes in plants; many of them are of significant agricultural importance, such as seed germination, root and shoot elongation, flowering, and fruit patterning. Although studies have demonstrated that GA movement is essential for multiple developmental aspects, how GAs are transported throughout the plant and where exactly they accumulate remain largely unknown. Here, we summarize recent findings from studies of GA movement and localization, and discuss the importance of GA intermediates in long- and short-distance movement. We further review recently identified Arabidopsis GA transporters and highlight their complex specialization and robust functional redundancy in GA transport activity.

Original languageEnglish
Pages (from-to)410-421
Number of pages12
JournalTrends in Plant Science
Volume23
Issue number5
DOIs
StatePublished - May 2018

Keywords

  • NPF
  • SWEET
  • gibberellin
  • gibberellin transporters
  • hormone transport and localization
  • plant hormone

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