ArticlePlant physiology2002
Mechanically stimulated TCH3 gene expression in Arabidopsis involves protein phosphorylation and EIN6 downstream of calcium.
Article in Plant physiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- Type one protein phosphatase regulates fixed-carbon starvation-induced autophagy in Arabidopsis.The Plant cell · 2022Article
- Touch signaling and thigmomorphogenesis are regulated by complementary CAMTA3- and JA-dependent pathways.Science advances · 2022Article
- Prior exposure of Arabidopsis seedlings to mechanical stress heightens jasmonic acid-mediated defense against necrotrophic pathogens.BMC plant biology · 2020Article
- Quantitative and functional posttranslational modification proteomics reveals that TREPH1 plays a role in plant touch-delayed bolting.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Salt stress-induced Ca2+ waves are associated with rapid, long-distance root-to-shoot signaling in plants.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- Calmodulin-related proteins step out from the shadow of their namesake.Plant physiology · 2013Review
- Molecular signatures in Arabidopsis thaliana in response to insect attack and bacterial infection.PloS one · 2013Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mechanical signals are important both as environmental and endogenous developmental cues in plants. Among the quickest measurable responses to mechanical stimulation (MS) in plants is the up-regulation of specific genes, including TCH3, in Arabidopsis. Little is known about the signaling events and components that link perception of mechanical signals to gene expression in plants. Calcium has been identified previously as being potentially involved, and a role for ethylene has also been suggested. Using the protein kinase inhibitor staurosporine, we determined that MS up-regulation of TCH3 expression requires protein kinase activity in young Arabidopsis seedlings. Our data from studies on the Arabidopsis ein6 mutant demonstrate that the EIN6 protein is also required, but that its role in mechanically induced TCH3 expression appears to be independent of ethylene. Challenge of seedlings with protein phosphatase inhibitors calyculin A and okadaic acid stimulated TCH3 expression even in the absence of MS, implying protein phosphatase activity acting to negatively regulate TCH3 gene expression. This phosphatase activity acts either downstream or independently of EIN6. EIN6 and protein kinase activity, on the other hand, operate downstream of calcium to mediate mechanically stimulated TCH3 expression.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.