ArticleThe Plant cell2010
The Arabidopsis chaperone J3 regulates the plasma membrane H+-ATPase through interaction with the PKS5 kinase.
Article in The Plant cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers.
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109 citing papers in PubMed, 228 citations in OpenAlex.
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- Silicon: A valuable soil element for improving plant growth and COJournal of advanced research · 2025Review
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- The Impact of Alkaline Stress on Plant Growth and Its Alkaline Resistance Mechanisms.International journal of molecular sciences · 2024Review
- Genome-Wide Identification and Analysis of MaizePlants (Basel, Switzerland) · 2024Article
- Understanding Ameliorating Effects of Boron on Adaptation to Salt Stress in Arabidopsis.Plants (Basel, Switzerland) · 2024Article
- Transcriptome Analysis of the Regulatory Mechanisms of Holly (Plants (Basel, Switzerland) · 2024Article
- Natural Allelic Variations ofInternational journal of molecular sciences · 2024Article
- Arabidopsis COP1 guides stomatal response in guard cells through pH regulation.Communications biology · 2024Article
- Plasma membrane-localized HPlant cell reports · 2023Article
- Integrative analysis of genome and transcriptome reveal the genetic basis of high temperature tolerance in pleurotus giganteus (Berk. Karun & Hyde).BMC genomics · 2023Article
- The protein phosphatase PC1 dephosphorylates and deactivates CatC to negatively regulate H2O2 homeostasis and salt tolerance in rice.The Plant cell · 2023Article
- MsDjB4, a HSP40 Chaperone in Alfalfa (Plants (Basel, Switzerland) · 2023Article
- Interaction Network Construction and Functional Analysis of the Plasma Membrane HInternational journal of molecular sciences · 2023Article
- Cold-induced calreticulin OsCRT3 conformational changes promote OsCIPK7 binding and temperature sensing in rice.The EMBO journal · 2023Article
49 more citing papers are in PubMed but not listed here.
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Authors and funding
12 authors at 8 institutions in 3 countries.
Funding
Abstract
The plasma membrane H(+)-ATPase (PM H(+)-ATPase) plays an important role in the regulation of ion and metabolite transport and is involved in physiological processes that include cell growth, intracellular pH, and stomatal regulation. PM H(+)-ATPase activity is controlled by many factors, including hormones, calcium, light, and environmental stresses like increased soil salinity. We have previously shown that the Arabidopsis thaliana Salt Overly Sensitive2-Like Protein Kinase5 (PKS5) negatively regulates the PM H(+)-ATPase. Here, we report that a chaperone, J3 (DnaJ homolog 3; heat shock protein 40-like), activates PM H(+)-ATPase activity by physically interacting with and repressing PKS5 kinase activity. Plants lacking J3 are hypersensitive to salt at high external pH and exhibit decreased PM H(+)-ATPase activity. J3 functions upstream of PKS5 as double mutants generated using j3-1 and several pks5 mutant alleles with altered kinase activity have levels of PM H(+)-ATPase activity and responses to salt at alkaline pH similar to their corresponding pks5 mutant. Taken together, our results demonstrate that regulation of PM H(+)-ATPase activity by J3 takes place via inactivation of the PKS5 kinase.
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