ArticleJournal of experimental botany2014
Plastid casein kinase 2 knockout reduces abscisic acid (ABA) sensitivity, thermotolerance, and expression of ABA- and heat-stress-responsive nuclear genes.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 34 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
34 citing papers in PubMed, 82 citations in OpenAlex.
- Two Carya Species,Plants (Basel, Switzerland) · 2024Article
- Modified Crosstalk between Phytohormones in Arabidopsis Mutants for PEP-Associated Proteins.International journal of molecular sciences · 2024Article
- A reactive oxygen species CaThe New phytologist · 2022Article
- Abscisic Acid Improves Rice Thermo-Tolerance by Affecting Trehalose Metabolism.International journal of molecular sciences · 2022Article
- A maize heat shock factor ZmHsf11 negatively regulates heat stress tolerance in transgenic plants.BMC plant biology · 2022Article
- Updated role of ABA in seed maturation, dormancy, and germination.Journal of advanced research · 2022Review
- Genome-Wide Association Mapping of Crown and Brown Rust Resistance in Perennial Ryegrass.Genes · 2021Article
- Progress in Research on the Mechanisms Underlying Chloroplast-Involved Heat Tolerance in Plants.Genes · 2021Review
- Cellular Phosphorylation Signaling and Gene Expression in Drought Stress Responses: ABA-Dependent and ABA-Independent Regulatory Systems.Plants (Basel, Switzerland) · 2021Review
- Differential Morpho-Physiological and Transcriptomic Responses to Heat Stress in Two Blueberry Species.International journal of molecular sciences · 2021Article
- Molecular characterization of a RING E3 ligase SbHCI1 in sorghum under heat and abscisic acid stress.Planta · 2020Article
- Redox Modification of the Iron-Sulfur Glutaredoxin GRXS17 Activates Holdase Activity and Protects Plants from Heat Stress.Plant physiology · 2020Article
- Abscisic Acid Negatively Modulates Heat Tolerance in Rolled Leaf Rice by Increasing Leaf Temperature and Regulating Energy Homeostasis.Rice (New York, N.Y.) · 2020Article
- Cuminal InhibitsMicroorganisms · 2020Article
- Cytokinins and Abscisic Acid Regulate the Expression of the Genes for Plastid Transcription Apparatus during Heat Shock.Doklady. Biochemistry and biophysics · 2019Article
- A Wall-Associated Kinase GeneFrontiers in plant science · 2019Article
- Casein kinase 2 α and β subunits inversely modulate ABA signal output in Arabidopsis protoplasts.Planta · 2018Article
- CaWRKY22 Acts as a Positive Regulator in Pepper Response toInternational journal of molecular sciences · 2018Article
- Article
- Abscisic Acid and Gibberellins Antagonistically Mediate Plant Development and Abiotic Stress Responses.Frontiers in plant science · 2018Review
Corrections and comments
- Erratum issued
Authors and funding
11 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plastid casein kinase 2 (CK2) is a major Ser/Thr-specific enzyme for protein phosphorylation in the chloroplast stroma and its kinase activity is regulated by redox signals. To understand the role of CK2 phosphorylation of chloroplast proteins in abiotic stress signalling, an Arabidopsis plastid CK2 (CKA4) knockout mutant was investigated in terms of the plant response to abscisic acid (ABA) and heat stress. CKA4 expression was upregulated by ABA and heat treatment. The cka4 mutant showed reduced sensitivity to ABA during seed germination and seedling growth, and increased stomatal aperture and leaf water loss with a slightly reduced leaf ABA level. The cka4 mutant was more sensitive to heat stress than the wild-type Columbia-0. The expression levels of a number of genes in the ABA regulatory network were reduced in the cka4 mutant. Many heat-upregulated genes (heat-shock factors and heat-shock proteins) were also reduced in the cka4 mutant. The cka4 mutant showed reduced expression levels of plastid-encoded RNA polymerase target genes (atpB and psbA). CKA4 knockout mutation also resulted in a reduction in expression of some critical genes (PTM, ABI4, and PRS1) involved in retrograde signalling from the chloroplast to the nucleus. Similar results were observed in mutant plants with the knockout mutation in both CKA4 and CKA3, which encodes a nuclear CK2 α3 subunit. CKA3 expression was not responsive to ABA and heat stress. These results suggest that CKA4 is an enhancing factor in abiotic stress signalling through modulating the expression of some molecular players in retrograde signalling.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.