This article comments on: Kong Q, Ma W, Yang H, Ma G, Mantyla JJ, Benning C. 2017. The Arabidopsis WRINKLED1 transcription factor affects auxin homeostasis in roots. Journal of Experimental Botany 68, 4627–4634.

Department of Functional Genomics and Proteomics CEITEC Central European Institute of Technology and National Centre for Biomolecular Research Masaryk University Kamenice 5 Brno CZ 62500 Czech Republic

Laboratory of Hormonal Regulations in Plants Institute of Experimental Botany Czech Academy of Sciences Rozvojová 263 Prague 6 CZ 16502 Czech Republic

J Exp Bot. 2017 Jul 20;68(16):4627-4634. doi: 10.1093/jxb/erx275. PubMed

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ER-Localized PIN Carriers: Regulators of Intracellular Auxin Homeostasis