ArticlePlant physiology2021
Impact of the SnRK1 protein kinase on sucrose homeostasis and the transcriptome during the diel cycle.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 74 citations in OpenAlex.
- Ustilago maydis disrupts carbohydrate signaling networks to induce hypertrophy in host cells.Nature communications · 2026Article
- Quantification of SnRK1.1 response through analysis of its intracellular distribution.Plant cell reports · 2026Article
- Trehalose 6-phosphate - a central regulator at the crossroads of sugar signalling, metabolism, and development.The New phytologist · 2025Review
- Light Spectrum, Intensity, and Photoperiod Are Key for Production as Well as Speed Breeding of Spring Wheat in Indoor Farming.Plant-environment interactions (Hoboken, N.J.) · 2025Article
- Arabidopsis Ubiquitin E3 Ligase AtCHYR1 Promotes ROS Production in Plant Responses to Sugar Availability.Plants (Basel, Switzerland) · 2025Article
- Overexpression ofGenes · 2025Article
- Exploring sugar allocation and metabolic shifts in cassava plants infected with Cassava common mosaic virus (CsCMV) under long-day photoperiod: diel changes in source and sink leaves.Journal of plant research · 2025Article
- Bioinformatic insights into sugar signaling pathways in sugarcane growth.Scientific reports · 2024Article
- Sugar signaling modulates SHOOT MERISTEMLESS expression and meristem function inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Direct and indirect responses of the Arabidopsis transcriptome to an induced increase in trehalose 6-phosphate.Plant physiology · 2024Article
- The critical roles of three sugar-related proteins (HXK, SnRK1, TOR) in regulating plant growth and stress responses.Horticulture research · 2024Article
- The end game(s) of photosynthetic carbon metabolism.Plant physiology · 2024Review
- ATP homeostasis and signaling in plants.Plant communications · 2024Review
- A transposon insertion in the promoter of OsUBC12 enhances cold tolerance during japonica rice germination.Nature communications · 2024Article
- Deciphering the regulatory role of PheSnRK genes in Moso bamboo: insights into hormonal, energy, and stress responses.BMC genomics · 2024Article
- DOMAIN OF UNKNOWN FUNCTION581-9 negatively regulates SnRK1 kinase activity.Plant physiology · 2024Article
- Identification of Ossnrk1a-1 Regulated Genes Associated with Rice Immunity and Seed Set.Plants (Basel, Switzerland) · 2024Article
- Article
- Assessing the impacts of genetic defects on starch metabolism inJournal of the Royal Society, Interface · 2023Article
- SNF1-RELATED KINASE 1 and TARGET OF RAPAMYCIN control light-responsive splicing events and developmental characteristics in etiolated Arabidopsis seedlings.The Plant cell · 2023Article
Corrections and comments
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Authors and funding
12 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
SNF1-related Kinase 1 (SnRK1) is an evolutionarily conserved protein kinase with key functions in energy management during stress responses in plants. To address a potential role of SnRK1 under favorable conditions, we performed a metabolomic and transcriptomic characterization of rosettes of 20-d-old Arabidopsis (Arabidopsis thaliana) plants of SnRK1 gain- and loss-of-function mutants during the regular diel cycle. Our results show that SnRK1 manipulation alters the sucrose and trehalose 6-phosphate (Tre6P) relationship, influencing how the sucrose content is translated into Tre6P accumulation and modulating the flux of carbon to the tricarboxylic acid cycle downstream of Tre6P signaling. On the other hand, daily cycles of Tre6P accumulation were accompanied by changes in SnRK1 signaling, leading to a maximum in the expression of SnRK1-induced genes at the end of the night, when Tre6P levels are lowest, and to a minimum at the end of the day, when Tre6P levels peak. The expression of SnRK1-induced genes was strongly reduced by transient Tre6P accumulation in an inducible Tre6P synthase (otsA) line, further suggesting the involvement of Tre6P in the diel oscillations in SnRK1 signaling. Transcriptional profiling of wild-type plants and SnRK1 mutants also uncovered defects that are suggestive of an iron sufficiency response and of a matching induction of sulfur acquisition and assimilation when SnRK1 is depleted. In conclusion, under favorable growth conditions, SnRK1 plays a role in sucrose homeostasis and transcriptome remodeling in autotrophic tissues and its activity is influenced by diel fluctuations in Tre6P levels.
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