Plants on the move: Towards common mechanisms governing mechanically-induced plant movements

Scorza, Livia C T; Dornelas, Marcelo Carnier

doi:10.4161/psb.6.12.18192

Cited by 49 publications

(57 citation statements)

References 73 publications

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“…"The movements of live plants are typcally classified into two categories, tropistic and nastic movements [24].Tropistic movements refer to directional movements in response to external stimuli that have certain directionality (e.g., gravity, light, and mechanical touches). For example, the development of tendrils may depend on where and how they touch an object that acts as a support, so this type of movement is tropistic (termed thigmotropic movement or thigmotropism, where the prefix 'thigmo' denotes touch responsive [25]). In contrast, nastic movements refer to direction-independent mechanical movements in response to external stimuli [23].…”

mentioning

confidence: 99%

Fast nastic motion of plants and bioinspired structures

Guo

Dai

Han

et al. 2015

J. R. Soc. Interface.

102

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The capability to sense and respond to external mechanical stimuli at various timescales is essential to many physiological aspects in plants, including selfprotection, intake of nutrients and reproduction. Remarkably, some plants have evolved the ability to react to mechanical stimuli within a few seconds despite a lack of muscles and nerves. The fast movements of plants in response to mechanical stimuli have long captured the curiosity of scientists and engineers, but the mechanisms behind these rapid thigmonastic movements are still not understood completely. In this article, we provide an overview of such thigmonastic movements in several representative plants, including Dionaea, Utricularia, Aldrovanda, Drosera and Mimosa. In addition, we review a series of studies that present biomimetic structures inspired by fast-moving plants. We hope that this article will shed light on the current status of research on the fast movements of plants and bioinspired structures and also promote interdisciplinary studies on both the fundamental mechanisms of plants' fast movements and biomimetic structures for engineering applications, such as artificial muscles, multi-stable structures and bioinspired robots.

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mentioning

confidence: 99%

Fast nastic motion of plants and bioinspired structures

Guo

Dai

Han

et al. 2015

J. R. Soc. Interface.

102

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“…The thigmonastic movement of leaflets in Mimosa pudica ; (a) the leaflets are open; (b) upon stimulus the leaflets close due to touch‐induced changes affecting the turgor of cells within the pulvinus, a structure located at the base of each leaflet; (c) the leaflets are fully closed. The time lapse between each photograph is about 1 s. (a–c) (reproduced with permission from Scorza and Dornelas ()…”

Section: Lingering: Being With Plantmentioning

confidence: 99%

Trapped in time: Lingering with “Plantness”

Sanders

2019

Plants People Planet

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In modern urban existence, the complex lives of plants are often reduced to simple categories, which resonate with human utility. These categories speak little of the central role plants play in the ecological fabric of life on Earth. Plants have the ability to sense and respond to stimuli across various timescales and the time zones they inhabit are multi‐faceted. This complexity presents difficulties when the unfamiliar characteristics of "plantness" are revealed to everyday observers who may perceive plants as operating in a slow lane outside of their perception. This editorial draws attention to the rich time assemblages in which plants exist, and highlights the need for diverse representations with which to engage human attention to the botanical world.

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“…Bei den reversiblen, aktiven Nastien spielen so genannte Motorzellen eine wichtige Rolle [8]. Diese finden sich häufig in zwei unterschiedlichen Schichten einer Gelenkzone, dem Pulvinus.…”

Section: Hydraulische Bewegungenunclassified

“…Kommt es zu diesen unterschiedlichen Reaktionen in sich gegenüberliegenden, antagonistisch wirkenden Bereichen einer Gelenkzone, so führt dies zu einer Biegebewegung des Organs. Das vielleicht bekannteste Beispiel dieses Bewegungstyps sind die mechanisch reizbaren Fiederblättchen und Fiederblätter der Mimose [4,8]. Außerdem gibt es noch passive Nastien, unter denen feuchtigkeitsabhängige, nicht durch gerichtete Reize ausgelöste (Ent-)Quellungsvorgänge und Kohäsionsmechanismen verstanden werden.…”

Section: Hydraulische Bewegungenunclassified

Fallenbewegungen fleischfressender Pflanzen

Poppinga¹,

Metzger²,

Speck³

et al. 2013

Biologie in unserer Zeit

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Langsame Pflanzenbewegungen laufen vornehmlich mit hydraulischen “Motoren” ab, d. h. die auftretenden Verformungen werden durch eine Verschiebung von Wasser zwischen Zellen und Geweben hervorgerufen. Vor allem bei großen und schnellen Strukturen (zum Beispiel den Schnappfallen der carnivoren Venusfliegenfalle) treten elastische Instabilitäten auf und beschleunigen den Bewegungsvorgang deutlich. Die bei den vorgestellten carnivoren Pflanzen zur Anwendung kommenden mechanischen “Tricks” lassen sich in abstrahierter Form mittels einfacher physikalischer Handmodelle veranschaulichen und tragen zum Verständnis der involvierten Prozesse bei.

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Plants on the move: Towards common mechanisms governing mechanically-induced plant movements

Cited by 49 publications

References 73 publications

Fast nastic motion of plants and bioinspired structures

Fast nastic motion of plants and bioinspired structures

Trapped in time: Lingering with “Plantness”

Fallenbewegungen fleischfressender Pflanzen

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