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Article

Evidence for an essential role of the sucrose transporter in phloem loading and assimilate partitioning.

The EMBO journal - 1 Jan 1994

Riesmeier J W, Willmitzer L, Frommer W B

Abstract excerpt

Sucrose is the principal transport form of assimilates in most plants. In many species, translocation of assimilates from the mesophyll into the phloem for long distance transport is assumed to be carrier mediated. A putative sucrose proton cotransporter cDNA has been isolated from potato and shown to be expressed mainly in the phloem of mature exporting leaves. To study the in vivo role and function of the...

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Identifiers

PMID: 8306952
DOI: 10.1002/j.1460-2075.1994.tb06229.x
PMCID: PMC394773

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Evidence for an essential role of the sucrose transporter in phloem loading and assimilate partitioning.PMID 8306952Read ↗

Genetic evidence for the in planta role of phloem-specific plasma membrane sucrose transporters.Semantic proximity Read ↗

Arabidopsis SUC1 loads the phloem in suc2 mutants when expressed from the SUC2 promoter.Semantic proximity Read ↗

Increased activity of the vacuolar monosaccharide transporter TMT1 alters cellular sugar partitioning, sugar signaling, and seed yield in Arabidopsis.Semantic proximity Read ↗

ABERRANT CARBOHYDRATE PARTITIONING 1 modulates sucrose allocation by regulating cell wall formation in rice.Semantic proximity Read ↗

Changes in SWEET-mediated sugar partitioning affect photosynthesis performance and plant response to drought.Semantic proximity Read ↗

A tomato phloem-mobile protein regulates the shoot-to-root ratio by mediating the auxin response in distant organs.Semantic proximity Read ↗

Differentiation of legume cotyledons as related to metabolic gradients and assimilate transport into seeds.Semantic proximity Read ↗

The sucrose transporter StSUT1 localizes to sieve elements in potato tuber phloem and influences tuber physiology and development.Semantic proximity Read ↗

Molecular identification and physiological characterization of a novel monosaccharide transporter from Arabidopsis involved in vacuolar sugar transport.Semantic proximity Read ↗

Chloroplasts Are Central Players in Sugar-Induced Leaf Growth.Semantic proximity Read ↗

Arabidopsis type I proton-pumping pyrophosphatase expresses strongly in phloem, where it is required for pyrophosphate metabolism and photosynthate partitioning.Semantic proximity Read ↗

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.Semantic proximity Read ↗

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