ArticlePlant physiology2000
Calcium-independent activation of salicylic acid-induced protein kinase and a 40-kilodalton protein kinase by hyperosmotic stress.
Article in Plant physiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 140 citations in OpenAlex.
- Role of jasmonic acid and salicylic acid in salinity stress mitigation in plants.Frontiers in plant science · 2026Review
- Identification of MAPK Genes inInternational journal of molecular sciences · 2024Article
- Seed Priming with Salicylic Acid Alleviates Salt Stress Toxicity in Barley by Suppressing ROS Accumulation and Improving Antioxidant Defense Systems, Compared to Halo- and Gibberellin Priming.Antioxidants (Basel, Switzerland) · 2023Article
- Effect of Jasmonic Acid Foliar Spray on the Morpho-Physiological Mechanism of Salt Stress Tolerance in Two Soybean Varieties (Plants (Basel, Switzerland) · 2022Article
- Understanding the Integrated Pathways and Mechanisms of Transporters, Protein Kinases, and Transcription Factors in Plants under Salt Stress.International journal of genomics · 2021Review
- Chemical Manipulation of Abscisic Acid Signaling: A New Approach to Abiotic and Biotic Stress Management in Agriculture.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Review
- Identification of candidate tolerance genes to low-temperature during maize germination by GWAS and RNA-seqapproaches.BMC plant biology · 2020Article
- Characterization of Glutamate-Mediated Hormonal Regulatory Pathway of the Drought Responses in Relation to Proline Metabolism inPlants (Basel, Switzerland) · 2020Article
- Phytohormones Regulate Accumulation of Osmolytes Under Abiotic Stress.Biomolecules · 2019Review
- Salicylic acid-induced abiotic stress tolerance and underlying mechanisms in plants.Frontiers in plant science · 2015Review
- Cloning and evolutionary analysis of tobacco MAPK gene family.Molecular biology reports · 2013Article
- Osmotic stress signaling via protein kinases.Cellular and molecular life sciences : CMLS · 2012Review
- Comparative proteomic analysis of early salt stress-responsive proteins in roots of SnRK2 transgenic rice.Proteome science · 2012Article
- Drought, salt, and temperature stress-induced metabolic rearrangements and regulatory networks.Journal of experimental botany · 2012Review
- Article
- MEK1/2 and p38-like MAP kinase successively mediate H(2)O(2) signaling in Vicia guard cell.Plant signaling & behavior · 2008Article
- A plastid-localized glycogen synthase kinase 3 modulates stress tolerance and carbohydrate metabolism.The Plant journal : for cell and molecular biology · 2007Article
- Different phosphorylation mechanisms are involved in the activation of sucrose non-fermenting 1 related protein kinases 2 by osmotic stresses and abscisic acid.Plant molecular biology · 2007Article
- A rice dehydration-inducible SNF1-related protein kinase 2 phosphorylates an abscisic acid responsive element-binding factor and associates with ABA signaling.Plant molecular biology · 2007Article
- The Protein Phosphatases and Protein Kinases of Arabidopsis thaliana.The arabidopsis book · 2007Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reversible protein phosphorylation/dephosphorylation plays important roles in signaling the plant adaptive responses to salinity/drought stresses. Two protein kinases with molecular masses of 48 and 40 kD are activated in tobacco cells exposed to NaCl. The 48-kD protein kinase was identified as SIPK (salicylic acid-induced protein kinase), a member of the tobacco MAPK (mitogen-activated protein kinase) family that is activated by various other stress stimuli. The activation of the 40-kD protein kinase is rapid and dose-dependent. Other osmolytes such as Pro and sorbitol activate these two kinases with similar kinetics. The activation of 40-kD protein kinase is specific for hyperosmotic stress, as hypotonic stress does not activate it. Therefore, this 40-kD kinase was named HOSAK (high osmotic stress-activated kinase). HOSAK is a Ca(2+)-independent kinase and uses myelin basic protein (MBP) and histone equally well as substrates. The kinase inhibitor K252a rapidly activates HOSAK in tobacco cells, implicating a dephosphorylation mechanism for HOSAK activation. Activation of both SIPK and HOSAK by high osmotic stress is Ca(2+) and abscisic acid (ABA) independent. Furthermore, mutation in SOS3 locus does not affect the activation of either kinase in Arabidopsis seedlings. These results suggest that SIPK and 40-kD HOSAK are two new components in a Ca(2+)- and ABA-independent pathway that may lead to plant adaptation to hyperosmotic stress.
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