Reaching the top through a tortuous path: helical growth in climbing plants.

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ID: 276603
2021
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Abstract
Climbing plants have voluble organs, for example, tendrils and modified stems, which twine up neighboring plants to reach the canopy. These organs perform exaggerated circumnutation, during which they grow towards the shaded areas of the forest (skototropism) to find a host. In response to mechanical stimulus, they grow towards the support (thigmotropism), tailoring their development to firmly attach to it (thigmomorphogenesis). The underlying molecular pathways of these crucial mechanisms are virtually unknown. Here, we review current progress on molecular regulation of the development and growth of climber's voluble organs. Recent advances in the subject point epigenetics and sensory biology as the emerging frontiers in the study of climbing plant's growth and functioning. We briefly review new developments on the molecular basis of plants' mechanosensory system, discussing the findings in the context of the climbing habit.
Reference Key
sousabaena2021reachingcurrent Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sousa-Baena, Mariane S;Hernandes-Lopes, José;Van Sluys, Marie-Anne;
Journal Current opinion in plant biology
Year 2021
DOI
10.1016/j.pbi.2020.101982
URL
Keywords
ethylene reactive oxygen species (ros) auxin obstacle avoidance ca2+ signalling gravitropism and thigmotropism mechanical impedance root growth

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