ArticleFrontiers in plant science2016
Photosynthate Regulation of the Root System Architecture Mediated by the Heterotrimeric G Protein Complex in Arabidopsis.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Nitrate-responsive transcriptome analysis of rice RGA1 mutant reveals the role of G-protein alpha subunit in negative regulation of nitrogen-sensitivity and use efficiency.Plant cell reports · 2023Article
- Regulation of early seedling establishment and root development in Arabidopsis thaliana by light and carbohydrates.Planta · 2023Article
- Interplay between ARABIDOPSIS Gβ and WRKY transcription factors differentiates environmental stress responses.Plant physiology · 2022Article
- Differential regulation of G protein signaling inScience signaling · 2021Article
- QTL mapping and candidate gene analysis of seed vigor-related traits during artificial aging in wheat (Triticum aestivum).Scientific reports · 2020Article
- Article
- Exogenous Carbon Compounds Modulate Tomato Root Development.Plants (Basel, Switzerland) · 2020Article
- Crosstalk between heterotrimeric G protein-coupled signaling pathways and WRKY transcription factors modulating plant responses to suboptimal micronutrient conditions.Journal of experimental botany · 2020Article
- Deficit Alternate Drip Irrigation Increased Root-Soil-Plant Interaction, Tomato Yield, and Quality.International journal of environmental research and public health · 2020Article
- Article
- Sweet Immunity: Inulin Boosts Resistance of Lettuce (International journal of molecular sciences · 2019Article
- Long-distance communication in Arabidopsis involving a self-activating G protein.Plant direct · 2018Article
- Lateral root growth in Arabidopsis is controlled by short and long distance signaling through the LRR RLKs XIP1/CEPR1 and CEPR2.Plant signaling & behavior · 2018Article
- Dose-Duration Reciprocity for G protein activation: Modulation of kinase to substrate ratio alters cell signaling.PloS one · 2017Article
- Heterotrimeric G Protein-Regulated CaFrontiers in plant science · 2017Article
- Review
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Authors and funding
6 authors.
Funding
Abstract
Assimilate partitioning to the root system is a desirable developmental trait to control but little is known of the signaling pathway underlying partitioning. A null mutation in the gene encoding the Gβ subunit of the heterotrimeric G protein complex, a nexus for a variety of signaling pathways, confers altered sugar partitioning in roots. While fixed carbon rapidly reached the roots of wild type and agb1-2 mutant seedlings, agb1 roots had more of this fixed carbon in the form of glucose, fructose, and sucrose which manifested as a higher lateral root density. Upon glucose treatment, the agb1-2 mutant had abnormal gene expression in the root tip validated by transcriptome analysis. In addition, PIN2 membrane localization was altered in the agb1-2 mutant. The heterotrimeric G protein complex integrates photosynthesis-derived sugar signaling incorporating both membrane-and transcriptional-based mechanisms. The time constants for these signaling mechanisms are in the same range as photosynthate delivery to the root, raising the possibility that root cells are able to use changes in carbon fixation in real time to adjust growth behavior.
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