ArticlePlant physiology2009
Strain mechanosensing quantitatively controls diameter growth and PtaZFP2 gene expression in poplar.
Article in Plant physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- The asymmetry engine: how plants harness asymmetries to shape their bodies.The New phytologist · 2025Review
- Mechanically induced localisation of SECONDARY WALL INTERACTING bZIP is associated with thigmomorphogenic and secondary cell wall gene expression.Quantitative plant biology · 2024Article
- Review
- Internode elongation and strobili production of Humulus lupulus cultivars in response to local strain sensing.Scientific reports · 2021Article
- By hook or by crook: how and why do compound leaves stay curved during development?Journal of experimental botany · 2020Article
- The Effect of Mechanical Stress on Plant Susceptibility to Pests: A Mini Opinion Review.Plants (Basel, Switzerland) · 2020Review
- Mechanical Conflicts in Twisting Growth Revealed by Cell-Cell Adhesion Defects.Frontiers in plant science · 2019Article
- Feeling stretched or compressed? The multiple mechanosensitive responses of wood formation to bending.Annals of botany · 2018Article
- Cork Oak Young and Traumatic Periderms Show PCD Typical Chromatin Patterns but Different Chromatin-Modifying Genes Expression.Frontiers in plant science · 2018Article
- Universal poroelastic mechanism for hydraulic signals in biomimetic and natural branches.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Nuclear envelope: a new frontier in plant mechanosensing?Biophysical reviews · 2017Review
- Life behind the wall: sensing mechanical cues in plants.BMC biology · 2017Review
- Poplar stem transcriptome is massively remodelled in response to single or repeated mechanical stimuli.BMC genomics · 2017Article
- The RNA Polymerase-Associated Factor 1 Complex Is Required for Plant Touch Responses.Journal of experimental botany · 2017Article
- The impact of mechanical compression on cortical microtubules in Arabidopsis: a quantitative pipeline.The Plant journal : for cell and molecular biology · 2016Article
- Mechanical stress contributes to the expression of the STM homeobox gene in Arabidopsis shoot meristems.eLife · 2015Article
- Mechanosensitive control of plant growth: bearing the load, sensing, transducing, and responding.Frontiers in plant science · 2015Review
- Physical forces regulate plant development and morphogenesis.Current biology : CB · 2014Review
- Tree shoot bending generates hydraulic pressure pulses: a new long-distance signal?Journal of experimental botany · 2014Article
- To respond or not to respond, the recurring question in plant mechanosensitivity.Frontiers in plant science · 2014Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mechanical signals are important factors that control plant growth and development. External mechanical loadings lead to a decrease in elongation and a stimulation of diameter growth, a syndrome known as thigmomorphogenesis. A previous study has demonstrated that plants perceive the strains they are subjected to and not forces or stresses. On this basis, an integrative biomechanical model of mechanosensing was established ("sum-of-strains model") and tested on tomato (Solanum lycopersicum) elongation but not for local responses such as diameter growth or gene expression. The first aim of this interdisciplinary work was to provide a quantitative study of the effect of a single transitory bending on poplar (Populus tremula x alba) diameter growth and on the expression level of a primary mechanosensitive transcription factor gene, PtaZFP2. The second aim of this work was to assess the sum-of-strains model of mechanosensing on these local responses. An original bending device was built to study stem responses according to a controlled range of strains. A single bending modified plant diameter growth and increased the relative abundance of PtaZFP2 transcripts. Integrals of longitudinal strains induced by bending on the responding tissues were highly correlated to local plant responses. The sum-of-strains model of mechanosensing established for stem elongation was thus applicable for local responses at two scales: diameter growth and gene expression. These novel results open avenues for the ordering of gene expression profiles as a function of the intensity of mechanical stimulation and provide a generic biomechanical core for an integrative model of thigmomorphogenesis linking gene expression with growth responses.
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