PETAL LOSS is a boundary gene that inhibits growth between developing sepals in Arabidopsis thaliana

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Funding Acknowledgements

We thank Monash Micro-Imaging, especially Gunta Jaudzems, Steven Firth and Ian Harper, for excellent facilities and advice; Jiri Friml, Elliot Meyerowitz, Masao Tasaka and the Arabidopsis Biological Resource Center (Columbus, OH, USA) for seeds; Marcus Heisler for the VENUS-N7 construct; Megan Griffith for drawing attention to the ptl eep1 phenotype; and John Bowman, Phil Brewer, Ruth N. Kaplan-Levy, Martin O'Brien, Tezz Quon, Pia Sappl and Marnie Soso for interest and feedback. This work was supported by the Australian Research Council (DP0451208). The authors have no conflicts of interest to declare.