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Phyllotaxis involves auxin drainage through leaf primordia

Deb, Yamini ; Marti, Dominik ; Frenz, Martin ; Kuhlemeier, Cris ; Reinhardt, Didier

In: Development, 2015, vol. 142, no. 11, p. 1992–2001

The spatial arrangement of leaves and flowers around the stem, known as phyllotaxis, is controlled by an auxin-dependent reiterative mechanism that leads to regular spacing of the organs and thereby to remarkably precise phyllotactic patterns. The mechanism is based on the active cellular transport of the phytohormone auxin by cellular influx and efflux carriers, such as AUX1 and PIN1. Their...