ArticlePlant molecular biology2010
Nuclear targeted AtS40 modulates senescence associated gene expression in Arabidopsis thaliana during natural development and in darkness.
Article in Plant molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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35 citing papers in PubMed, 53 citations in OpenAlex.
- Cytokinin downregulates Photosystem II photochemistry during prolonged darkness in a phytochrome B-dependent manner.The New phytologist · 2026Article
- CDP-DAG synthases regulate plant growth and broad-spectrum disease resistance.Plant signaling & behavior · 2025Article
- The Mitochondrial Protein RESISTANCE to APHIDS 9 Interacts with S40 to Resist Aphid Infestation by Modulating Reactive Oxygen Species Homeostasis in Maize (Zea mays).Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Mechanistic Insights into Cytokinin-Regulated Leaf Senescence in Barley: Genotype-Specific Responses in Physiology and Protein Stability.International journal of molecular sciences · 2025Article
- C2H2 Zinc Finger Proteins GIS2 and ZFP8 Regulate Trichome Development via Hormone Signaling in Arabidopsis.International journal of molecular sciences · 2025Article
- Genetic Foundation of Leaf Senescence: Insights from Natural and Cultivated Plant Diversity.Plants (Basel, Switzerland) · 2024Review
- Wheat NAC transcription factorPlant direct · 2024Article
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- Genome-wide association study of plant color inFrontiers in plant science · 2024Article
- Multilayered regulation of developmentally programmed pre-anthesis tip degeneration of the barley inflorescence.The Plant cell · 2023Article
- The transcription factor CsS40 negatively regulatesHorticulture research · 2023Article
- Bacterial Volatiles (mVOC) Emitted by the PhytopathogenAntioxidants (Basel, Switzerland) · 2023Article
- Identification of new potential molecular actors related to fiber quality in flax through Omics.Frontiers in plant science · 2023Article
- The Barley Heavy Metal Associated Isoprenylated Plant Protein HvFP1 Is Involved in a Crosstalk between the Leaf Development and Abscisic Acid-Related Drought Stress Responses.Plants (Basel, Switzerland) · 2022Article
- Whole Genome Re-sequencing and Bulk Segregant Analysis Reveals Chromosomal Location for Papaya Ringspot Virus W Resistance in Squash.Frontiers in plant science · 2022Article
- Molecular Targets and Biological Functions of cAMP Signaling inBiomolecules · 2021Article
- Low Light/Darkness as Stressors of Multifactor-Induced Senescence in Rice Plants.International journal of molecular sciences · 2021Review
- FiveFrontiers in plant science · 2021Article
- Precision Mapping of a Maize MAGIC Population Identified a Candidate Gene for the Senescence-Associated Physiological Traits.Frontiers in genetics · 2021Article
- Plant-Specific AtS40.4 Acts as a Negative Regulator in Abscisic Acid Signaling During Seed Germination and Seedling Growth inFrontiers in plant science · 2021Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Arabidopsis thaliana AtS40-3 gene belongs to a group of genes sharing the conserved DUF548 sequence motif with up to now unknown function. One member of this group, the barley HvS40, was shown before to play a role in regulation of leaf senescence. Similar as the barley gene, AtS40-3 is induced during senescence and is also regulated in response to dark treatment, ABA, salicylic acid and pathogen attack. By localization of the GUS fusion protein, the AtS40-3 gene was shown to encode a nucleus targeted protein. The s40-3a mutant with a T-DNA insertion in the promoter region of the gene was observed to have a staygreen phenotype. By quantitative real-time PCR analyses expression of the AtS40-3 gene in this mutant was observed to be constitutive and not induced during senescence. This coincided with WRKY53 gene expression in nonsenescent leaves and lowered expression levels of WRKY53 and SAG12 at later stages of development. While in the wildtype expression of AtS40-3 was activated by darkness, in the s40-3a mutant the expression of AtS40-3 stayed at a low level. This coincided with lower expression of the SEN1 and SAG12 genes. In another promoter mutant with a T-DNA insertion further upstream of the coding sequence the levels of AtS40-3 and SAG12 transcripts increased in parallel both in a natural light-dark regime and in darkness. The data on gene expression in promoter T-DNA insertion mutants of the s40-3 gene indicate that AtS40 regulates senescence either by modulation of WRKY53 or by activation of SAG12 independent of WRKY53.
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