PLETHORA gradient formation mechanism separates auxin responses. - Ari Pekka Mähönen; Kirsten H. ten Tusscher; Riccardo Siligato; Ondrej Smetana; Sara Díaz-Triviño; Jarkko Salojärvi; Guy Wachsman; Kalika Prasad; Renze Heidstra; Ben Scheres (Nat., 2014)