ArticleBMC plant biology2009
Effective carbon partitioning driven by exotic phloem-specific regulatory elements fused to the Arabidopsis thaliana AtSUC2 sucrose-proton symporter gene.
Article in BMC plant biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 41 citations in OpenAlex.
- Not just Rubisco: integrated strategies to overcome the biochemical limitations of CFrontiers in plant science · 2026Review
- Plant SUT Sucrose Transporters: Structure, Evolution and Biological Functions.Current protein & peptide science · 2026Review
- Fast and simple fluorometric measurement of phloem loading exposes auxin-dependent regulation of Arabidopsis sucrose transporter AtSUC2.The Plant journal : for cell and molecular biology · 2024Article
- AtSWEET11 and AtSWEET12 transporters function in tandem to modulate sugar flux in plants.Plant direct · 2023Article
- Long-distance translocation of CLAVATA3/ESR-related 2 peptide and its positive effect on roots sucrose status.Plant physiology · 2022Article
- Genome-wide analysis and characterization ofFrontiers in plant science · 2022Article
- Atypical molecular features of RNA silencing against the phloem-restricted polerovirus TuYV.Nucleic acids research · 2021Article
- Sucrose Utilization for Improved Crop Yields: A Review Article.International journal of molecular sciences · 2021Review
- Phylogenetic relationships of sucrose transporters (SUTs) in plants and genome-wide characterization ofPeerJ · 2021Article
- Carbon export from leaves is controlled via ubiquitination and phosphorylation of sucrose transporter SUC2.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- The Coumarin Glucoside, Esculin, Reveals Rapid Changes in Phloem-Transport Velocity in Response to Environmental Cues.Plant physiology · 2018Article
- Molecular Evolution and Stress and Phytohormone Responsiveness ofFrontiers in genetics · 2018Article
- The Protease Inhibitor CI2c Gene Induced by Bird Cherry-Oat Aphid in Barley Inhibits Green Peach Aphid Fecundity in Transgenic Arabidopsis.International journal of molecular sciences · 2017Article
- Structure, phylogeny, allelic haplotypes and expression of sucrose transporter gene families in Saccharum.BMC genomics · 2016Article
- Transgenic approaches to altering carbon and nitrogen partitioning in whole plants: assessing the potential to improve crop yields and nutritional quality.Frontiers in plant science · 2015Review
- Article
- Using transgenic modulation of protein synthesis and accumulation to probe protein signaling networks in Arabidopsis thaliana.Plant signaling & behavior · 2011Review
- A cytochrome P450 monooxygenase commonly used for negative selection in transgenic plants causes growth anomalies by disrupting brassinosteroid signaling.BMC plant biology · 2011Article
- Carbohydrate export from the leaf: a highly regulated process and target to enhance photosynthesis and productivity.Plant physiology · 2011Article
- Arabidopsis plants harbouring a mutation in AtSUC2, encoding the predominant sucrose/proton symporter necessary for efficient phloem transport, are able to complete their life cycle and produce viable seed.Annals of botany · 2009Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAtSUC2 (At1g22710) from Arabidopsis thaliana encodes a phloem-localized sucrose/proton symporter required for efficient photoassimilate transport from source tissues to sink tissues. AtSUC2 plays a key role in coordinating the demands of sink tissues with the output capacity of source leaves, and in maintaining phloem hydrostatic pressure during changes in plant-water balance. Expression and activity are regulated, both positively and negatively, by developmental (sink to source transition) and environmental cues, including light, diurnal changes, photoassimilate levels, turgor pressure, drought and osmotic stress, and hormones.
resultsTo assess the importance of this regulation to whole-plant growth and carbon partitioning, AtSUC2 cDNA was expressed from two exotic, phloem-specific promoters in a mutant background debilitated for AtSUC2 function. The first was a promoter element from Commelina Yellow Mottle Virus (CoYMV), and the second was the rolC promoter from Agrobacterium rhizogenes. CoYMVp::AtSUC2 cDNA restored growth and carbon partitioning to near wild-type levels, whereas plants harboring rolCp::AtSUC2 cDNA showed only partial complementation.
conclusionExpressing AtSUC2 cDNA from exotic, phloem-specific promoters argues that strong, phloem-localized expression is sufficient for efficient transport. Expressing AtSUC2 from promoters that foster efficient phloem transport but are subject to regulatory cascades different from the endogenous sucrose/proton symporter genes has implications for biotechnology.
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