Pavement cells distinguish touch from letting go

Pavement cells distinguish touch from letting go
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DOI：
10.1038/s41477-023-01418-9
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发表时间：
2023-05
期刊：
Nature Plants
影响因子：
18
通讯作者：
Alexander H. Howell;Carsten Völkner;P. McGreevy;K. Jensen;Rainer Waadt;S. Gilroy;Hans-Henning Kunz;W. Peters;M. Knoblauch
Alexander H. Howell;Carsten Völkner;P. McGreevy;K. Jensen;Rainer Waadt;S. Gilroy;Hans-Henning Kunz;W. Peters;M. Knoblauch
中科院分区：
生物学1区
文献类型：
--
作者：
Alexander H. Howell;Carsten Völkner;P. McGreevy;K. Jensen;Rainer Waadt;S. Gilroy;Hans-Henning Kunz;W. Peters;M. Knoblauch

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A micro-cantilever technique applied to individual leaf epidermis cells of intactArabidopsis thalianaandNicotiana tabacumsynthesizing genetically encoded calcium indicators (R-GECO1 and GCaMP3) revealed that compressive forces induced local calcium peaks that preceded delayed, slowly moving calcium waves. Releasing the force evoked significantly faster calcium waves. Slow waves were also triggered by increased turgor and fast waves by turgor drops in pressure probe tests. The distinct characteristics of the wave types suggest different underlying mechanisms and an ability of plants to distinguish touch from letting go.