Corrigendum: GABA signalling modulates plant growth by directly regulating the activity of plant-specific anion transporters (Nature Communications (2015) 6:7879 DOI: 10.1038/ncomms8879)

Sunita A. Ramesh, Stephen Donald Tyerman, Bo Xu, Jayakumar Bose, Satwinder Kaur, Vanessa M. Conn, Patrícia Domingos, Sana Ullah, Stefanie Wege, Sergey Shabala, José A. Feijó, Peter R. Ryan, Matthew Gilliham

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    3 Citations (Scopus)

    Abstract

    The original version of this Article contained a typographical error in the spelling of the author Matthew Gilliham, which was incorrectly given as Matthew Gillham. This has now been corrected in both the PDF and HTML versions of the Article.

    The online version of the original article can be found at 10.1038/ncomms8879

    The non-protein amino acid, gamma-aminobutyric acid (GABA) rapidly accumulates in plant tissues in response to biotic and abiotic stress, and regulates plant growth. Until now it was not known whether GABA exerts its effects in plants through the regulation of carbon metabolism or via an unidentified signalling pathway. Here, we demonstrate that anion flux through plant aluminium-activated malate transporter (ALMT) proteins is activated by anions and negatively regulated by GABA. Site-directed mutagenesis of selected amino acids within ALMT proteins abolishes GABA efficacy but does not alter other transport properties. GABA modulation of ALMT activity results in altered root growth and altered root tolerance to alkaline pH, acid pH and aluminium ions. We propose that GABA exerts its multiple physiological effects in plants via ALMT, including the regulation of pollen tube and root growth, and that GABA can …
    Original languageEnglish
    Article number8293
    Number of pages1
    JournalNature Communications
    Volume6
    DOIs
    Publication statusPublished - 28 Aug 2015

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