Unifying model of shoot gravitropism reveals proprioception as a central feature of posture control in plants.

Abstract

Gravitropism, the slow reorientation of plant growth in response to gravity, is a key determinant of the form and posture of land plants. Shoot gravitropism is triggered when statocysts sense the local angle of the growing organ relative to the gravitational field. Lateral transport of the hormone auxin to the lower side is then enhanced, resulting in… (More)
DOI: 10.1073/pnas.1214301109

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