ArticleBMC plant biology2024
Arabidopsis AGB1 participates in salinity response through bZIP17-mediated unfolded protein response.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Arabidopsis Heterotrimeric G Beta Variants Shape Plant Development and Modulate Responses to Endoplasmic Reticulum Stress and Salt Stress.Plant, cell & environment · 2026Article
- Plant cell wall remodeling and peptide signaling under abiotic and biotic stress.Plant communications · 2026Review
- Ethylene participates in strigolactone-triggered stomatal closure via Gα protein-activited hydrogen peroxide and hydrogen sulfide synthesis inFrontiers in plant science · 2026Article
- Genome-Wide Identification and Expression Analysis of the G-Protein Gene Family in Barley Under Abiotic Stresses.Plants (Basel, Switzerland) · 2024Article
- Genome-wide identification of heterotrimeric G protein genes in castor (Ricinus communis L.) and expression patterns under salt stress.BMC genomics · 2024Article
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Authors and funding
1 author.
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Abstract
backgroundPlant heterotrimeric G proteins respond to various environmental stresses, including high salinity. It is known that Gβ subunit AGB1 functions in maintaining local and systemic Na
resultsWe showed that AGB1-Venus localized to nuclei when facing excessive salt, and the induction of a set of bZIP17-dependent salt stress-responsive genes was reduced in the agb1 mutant. We confirmed both genetic and physical interactions of AGB1 and bZIP17 in plant salinity response by comparing salt responses in the single and double mutants of agb1 and bzip17 and by BiFC assay, respectively. In addition, we show that AGB1 depletion decreases nuclei-localization of transgenic mRFP-bZIP17 under salt stress, as shown in s1p s2p double mutant in the Agrobacteria-mediated transient mRFP-bZIP17 expression in young seedlings.
conclusionsOur results indicate that AGB1 functions in S1P and/or S2P-mediated proteolytic processing of bZIP17 under salt stress to regulate the induction of salinity-responsive gene expression.
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