ArticlePlant physiology2008
Beta-subunits of the SnRK1 complexes share a common ancestral function together with expression and function specificities; physical interaction with nitrate reductase specifically occurs via AKINbeta1-subunit.
Article in Plant physiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 67 citations in OpenAlex.
- Review
- 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
- Genetic Analysis of the Peach SnRK1β3 Subunit and Its Function in Transgenic Tomato Plants.Genes · 2024Article
- Nitric oxide participates in sucrose-TOR signaling during meristem activation in Arabidopsis thaliana.Planta · 2024Article
- Direct and indirect responses of the Arabidopsis transcriptome to an induced increase in trehalose 6-phosphate.Plant physiology · 2024Article
- PYRIDOX(AM)INE 5'-PHOSPHATE OXIDASE3 of Arabidopsis thaliana maintains carbon/nitrogen balance in distinct environmental conditions.Plant physiology · 2023Article
- Spatial expression patterns of genes encoding sugar sensors in leaves of C4 and C3 grasses.Annals of botany · 2023Article
- In vivo protein kinase activity of SnRK1 fluctuates in Arabidopsis rosettes during light-dark cycles.Plant physiology · 2023Article
- Compartmentalization, a key mechanism controlling the multitasking role of the SnRK1 complex.Journal of experimental botany · 2022Review
- Mapping of the plant SnRK1 kinase signalling network reveals a key regulatory role for the class II T6P synthase-like proteins.Nature plants · 2022Article
- Autophagic pathway contributes to low-nitrogen tolerance by optimizing nitrogen uptake and utilization in tomato.Horticulture research · 2022Article
- Understanding and Exploiting Post-Translational Modifications for Plant Disease Resistance.Biomolecules · 2021Review
- An abscisic acid-responsive protein interaction network for sucrose non-fermenting related kinase1 in abiotic stress response.Communications biology · 2020Article
- Default Activation and Nuclear Translocation of the Plant Cellular Energy Sensor SnRK1 Regulate Metabolic Stress Responses and Development.The Plant cell · 2019Article
- Genome-wide identification and characterization of CKIN/SnRK gene family in Chlamydomonas reinhardtii.Scientific reports · 2019Article
- Distinct gene networks modulate floral induction of autonomous maize and photoperiod-dependent teosinte.Journal of experimental botany · 2018Article
- SUMOylation represses SnRK1 signaling in Arabidopsis.The Plant journal : for cell and molecular biology · 2016Article
- Transcriptional responses of Arabidopsis thaliana to chewing and sucking insect herbivores.Frontiers in plant science · 2014Article
- Regulation of Sucrose non-Fermenting Related Kinase 1 genes in Arabidopsis thaliana.Frontiers in plant science · 2014Article
- Structural and functional basis for starch binding in the SnRK1 subunits AKINβ2 and AKINβγ.Frontiers in plant science · 2014Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The SNF1/AMPK/SnRK1 kinases are evolutionary conserved kinases involved in yeast, mammals, and plants in the control of energy balance. These heterotrimeric enzymes are composed of one alpha-type catalytic subunit and two gamma- and beta-type regulatory subunits. In yeast it has been proposed that the beta-type subunits regulate both the localization of the kinase complexes within the cell and the interaction of the kinases with their targets. In this work, we demonstrate that the three beta-type subunits of Arabidopsis (Arabidopsis thaliana; AKINbeta1, AKINbeta2, and AKINbeta3) restore the growth phenotype of the yeast sip1Deltasip2Deltagal83Delta triple mutant, thus suggesting the conservation of an ancestral function. Expression analyses, using AKINbeta promoterbeta-glucuronidase transgenic lines, reveal different and specific patterns of expression for each subunit according to organs, developmental stages, and environmental conditions. Finally, our results show that the beta-type subunits are involved in the specificity of interaction of the kinase with the cytosolic nitrate reductase. Together with previous cell-free phosphorylation data, they strongly support the proposal that nitrate reductase is a real target of SnRK1 in the physiological context. Altogether our data suggest the conservation of ancestral basic function(s) together with specialized functions for each beta-type subunit in plants.
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