ArticleFrontiers in plant science2014
Regulation of Sucrose non-Fermenting Related Kinase 1 genes in Arabidopsis thaliana.
Article in Frontiers in plant science, 2014. 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.
- The ribosome-associated N-terminal acetyltransferase B coordinates global proteostasis and autophagy in plants by creating Ac/N-degrons.Nature communications · 2026Article
- Quantification of SnRK1.1 response through analysis of its intracellular distribution.Plant cell reports · 2026Article
- HOS1-mediated both ubiquitination and nuclear-import are crucial to nitrate signaling.Frontiers in molecular biosciences · 2026Article
- Trehalose 6-phosphate - a central regulator at the crossroads of sugar signalling, metabolism, and development.The New phytologist · 2025Review
- Molecular mechanism of trehalose 6-phosphate inhibition of the plant metabolic sensor kinase SnRK1.Science advances · 2024Article
- GRIK phosphorylates and activates KIN10 which also promotes its degradation.Frontiers in plant science · 2024Article
- Article
- Genome-Wide Identification of SnRK1 Catalytic α Subunit and FLZ Proteins inInternational journal of molecular sciences · 2022Article
- Compartmentalization, a key mechanism controlling the multitasking role of the SnRK1 complex.Journal of experimental botany · 2022Review
- Impaired KIN10 function restores developmental defects in the Arabidopsis trehalose 6-phosphate synthase1 (tps1) mutant.The New phytologist · 2022Article
- Function of Protein Kinases in Leaf Senescence of Plants.Frontiers in plant science · 2022Review
- Impact of the SnRK1 protein kinase on sucrose homeostasis and the transcriptome during the diel cycle.Plant physiology · 2021Article
- Sweet Modifications Modulate Plant Development.Biomolecules · 2021Review
- Genome-wide Identification and Characterization of FCS-Like Zinc Finger (FLZ) Family Genes in Maize (International journal of molecular sciences · 2021Article
- SnRK1α1 Antagonizes Cell Death Induced by Transient Overexpression ofFrontiers in plant science · 2020Article
- Calcium-Regulated Phosphorylation Systems Controlling Uptake and Balance of Plant Nutrients.Frontiers in plant science · 2020Review
- Phosphorylation of Arabidopsis eIF4E and eIFiso4E by SnRK1 inhibits translation.The FEBS journal · 2019Article
- Populus trichocarpa clade A PP2C protein phosphatases: their stress-induced expression patterns, interactions in core abscisic acid signaling, and potential for regulation of growth and development.Plant molecular biology · 2019Article
- A Snapshot of the Trehalose Pathway During Seed Imbibition inFrontiers in plant science · 2019Article
- Autophagy in Plants: Both a Puppet and a Puppet Master of Sugars.Frontiers in plant science · 2019Review
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The Sucrose non-Fermenting Related Kinase 1 (SnRK1) proteins have been linked to regulation of energy and stress signaling in eukaryotes. In plants, there is a small SnRK1 gene family. While the SnRK1.1 gene has been well studied, the role other SnRK1 isoforms play in energy or stress signaling is less well understood. We used promoter:GUS analysis and found SnRK1.1 is broadly expressed, while SnRK1.2 is spatially restricted. SnRK1.2 is expressed most abundantly in hydathodes, at the base of leaf primordia, and in vascular tissues within both shoots and roots. We examined the impact that sugars have on SnRK1 gene expression and found that trehalose induces SnRK1.2 expression. Given that the SnRK1.1 and SnRK1.2 proteins are very similar at the amino acid level, we sought to address whether SnRK1.2 is capable of re-programming growth and development as has been seen previously with SnRK1.1 overexpression. While gain-of-function transgenic plants overexpressing two different isoforms of SnRK1.1 flower late as seen previously in other SnRK1.1 overexpressors, SnRK1.2 overexpressors flower early. In addition, SnRK1.2 overexpressors have increased leaf size and rosette diameter during early development, which is the opposite of SnRK1.1 overexpressors. We also investigated whether SnRK1.2 was localized to similar subcellular compartments as SnRK1.1, and found that both accumulate in the nucleus and cytoplasm in transient expression assays. In addition, we found SnRK1.1 accumulates in small puncta that appear after a mechanical wounding stress. Together, these data suggest key differences in regulation of the SnRK1.1 and SnRK1.2 genes in plants, and highlights differences overexpression of each gene has on the development of Arabidopsis.
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