Membrane-Transport Systems for Sucrose in Relation to Whole-Plant Carbon Partitioning

Ainsworth, 2011, Carbohydrate export from the leaf: a highly regulated process and target to enhance photosynthesis and productivity, Plant Physiol, 155, 64, 10.1104/pp.110.167684

Aloni, 1986, Sucrose transport and phloem unloading in stem of Vicia faba: possible involvement of a sucrose carrier and osmotic regulation, Plant Physiol, 81, 482, 10.1104/pp.81.2.482

Anderson, 1983, Release of sucrose from Vicia faba L. leaf discs, Plant Physiol, 71, 333, 10.1104/pp.71.2.333

Aoki, 2003, The sucrose transporter gene family in rice, Plant Cell Physiol, 44, 223, 10.1093/pcp/pcg030

Aoki, 1999, Molecular cloning and expression analysis of a gene for a sucrose transporter in maize (Zea mays L.), Plant Cell Physiol, 40, 1072, 10.1093/oxfordjournals.pcp.a029489

Aoki, 2004, Expression and localisation analysis of the wheat sucrose transporter TaSUT1 in vegetative tissues, Planta, 219, 176, 10.1007/s00425-004-1232-7

Aoki, 2002, Three sucrose transporter genes are expressed in the developing grain of hexaploid wheat, Plant Mol. Biol., 50, 453, 10.1023/A:1019846832163

Ayre, 2003, Symplastic continuity between companion cells and the translocation stream: long-distance transport is controlled by retention and retrieval mechanisms in the phloem, Plant Physiol, 131, 1518, 10.1104/pp.012054

Baker, 2008, Tie-dyed2 functions with Tie-dyed1 to promote carbohydrate export from maize leaves, Plant Physiol, 146, 1085, 10.1104/pp.107.111476

Barker, 2000, SUT2, a putative sucrose sensor in sieve elements, Plant Cell., 12, 1153, 10.1105/tpc.12.7.1153

Barth, 2003, PmSUC3: characterization of a SUT2/SUC3-type sucrose transporter from Plantago major, Plant Cell., 15, 1375, 10.1105/tpc.010967

Baud, 2005, The AtSUC5 sucrose transporter specifically expressed in the endosperm is involved in early seed development in Arabidopsis, Plant J, 43, 824, 10.1111/j.1365-313X.2005.02496.x

Bernier, 1988, The control of floral evocation and morphogenesis. Ann. Rev. Plant Physiol, Plant Mol. Biol., 39, 175

Braun, 2009, Genetic control of carbon partitioning in grasses: roles of sucrose transporters and Tie-dyed loci in phloem loading, Plant Physiol, 149, 71, 10.1104/pp.108.129049

Braun, 2006, Tie-dyed1 regulates carbohydrate accumulation in maize leaves, Plant Physiol, 142, 1511, 10.1104/pp.106.090381

Burkle, 1998, The H+-sucrose cotransporter NtSUT1 is essential for sugar export from tobacco leaves, Plant Physiol, 118, 59, 10.1104/pp.118.1.59

Bush, 1990, Electrogenicity, pH-dependence, and stoichiometry of the proton–sucrose symport, Plant Physiol, 93, 1590, 10.1104/pp.93.4.1590

Bush, 1993, Proton-coupled sugar and amino-acid transporters in plants. Ann. Rev. Plant Physiol, Plant Mol. Biol., 44, 513

Buttner, 2007, The monosaccharide transporter(-like) gene family in Arabidopsis, FEBS Lett., 581, 2318, 10.1016/j.febslet.2007.03.016

Carpaneto, 2005, Phloem-localized, proton-coupled sucrose carrier ZmSUT1 mediates sucrose efflux under the control of the sucrose gradient and the proton motive force, J. Biol. Chem., 280, 21437, 10.1074/jbc.M501785200

Chandran, 2003, Substrate specificity of the Arabidopsis thaliana sucrose transporter AtSUC2, J. Biol. Chem., 278, 44320, 10.1074/jbc.M308490200

Chaudhuri, 2008, Protonophore-and pH-insensitive glucose and sucrose accumulation detected by FRET nanosensors in Arabidopsis root tips, Plant J, 56, 948, 10.1111/j.1365-313X.2008.03652.x

Chen, 2010, Sugar transporters for intercellular exchange and nutrition of pathogens, Nature, 468, 527, 10.1038/nature09606

Chincinska, 2008, Sucrose transporter StSUT4 from potato affects flowering, tuberization, and shade avoidance response, Plant Physiol, 146, 515, 10.1104/pp.107.112334

Chiou, 1998, Sucrose is a signal molecule in assimilate partitioning, Proc. Natl Acad. Sci. U S A, 95, 4784, 10.1073/pnas.95.8.4784

Cuellar-Ortiz, 2008, Relationship between carbohydrate partitioning and drought resistance in common bean, Plant Cell Environ, 31, 1399, 10.1111/j.1365-3040.2008.01853.x

Daie, 1996, Metabolic adjustments, assimilate partitioning, and alterations in source-sink relations in drought-stressed plants, 407

Elmer, 2003, Protein sorting and expression of a unique soybean cotyledon protein, GmSBP, destined for the protein storage vacuole, Plant Mol. Biol., 52, 1089, 10.1023/A:1025483809791

Endler, 2006, Identification of a vacuolar sucrose transporter in barley and Arabidopsis mesophyll cells by a tonoplast proteomic approach, Plant Physiol, 141, 196, 10.1104/pp.106.079533

Erickson, 1986, Symplastic growth and symplasmic transport, Plant Physiol, 82, 1153, 10.1104/pp.82.4.1153

Feuerstein, 2010, Expression of the AtSUC1 gene in the female gametophyte, and ecotype-specific expression differences in male reproductive organs, Plant Biol., 12, 105, 10.1111/j.1438-8677.2010.00389.x

Gahrtz, 1994, A phloem-specific sucrose–H+ symporter from Plantago major L supports the model of apoplastic phloem loading, Plant J, 6, 697, 10.1046/j.1365-313X.1994.6050697.x

Giaquinta, 1977, Phloem loading of sucrose: pH dependence and selectivity, Plant Physiol, 59, 750, 10.1104/pp.59.4.750

Giaquinta, 1979, Phloem loading of sucrose: involvement of membrane ATPase and proton transport, Plant Physiol, 63, 744, 10.1104/pp.63.4.744

Giaquinta, 1983, Phloem loading of sucrose. Ann. Rev. Plant Physiol, Plant Mol. Biol., 34, 347

Gil, 2011, Sucrose transporter plays a role in phloem loading in CMV-infected melon plants that are defined as symplastic loaders, Plant J, 10.1111/j.1365-313X.2011.04498.x

Godt, 2006, The developmental and organ specific expression of sucrose cleaving enzymes in sugar beet suggests a transition between apoplasmic and symplasmic phloem unloading in the tap roots. Plant Physiol, Biochem, 44, 656

Gottwald, 2000, Genetic evidence for the in planta role of phloem-specific plasma membrane sucrose transporters, Proc. Natl Acad. Sci. U S A, 97, 13979, 10.1073/pnas.250473797

Grennan, 2006, Genevestigator: facilitating web-based gene-expression analysis, Plant Physiol, 141, 1164, 10.1104/pp.104.900198

Hackel, 2006, Sucrose transporter LeSUT1 and LeSUT2 inhibition affects tomato fruit development in different ways, Plant J, 45, 180, 10.1111/j.1365-313X.2005.02572.x

Hafke, 2005, Thermodynamic battle for photosynthate acquisition between sieve tubes and adjoining parenchyma in transport phloem, Plant Physiol, 138, 1527, 10.1104/pp.104.058511

Haritatos, 2000, Minor vein structure and sugar transport in Arabidopsis thaliana, Planta, 211, 105, 10.1007/s004250000268

Hayes, 1987, The cellular pathway of radial transfer of photosynthates in stems of Phaseolus vulgaris L.: effects of cellular plasmolysis and para-chloromercuribenzene sulfonic acid, Ann. Bot, 59, 635

Hoth, 2010, An ABA-responsive element in the AtSUC1 promoter is involved in the regulation of AtSUC1 expression, Planta, 232, 911, 10.1007/s00425-010-1228-4

Huber, 1980, Translocation: efflux of sugars across the plasmalemma of mesophyll protoplasts, Plant Physiol, 65, 560, 10.1104/pp.65.3.560

Huber, 1981, Co-transport of potassium and sugars across the plasmalemma of mesophyll protoplasts, Plant Physiol, 67, 163, 10.1104/pp.67.1.163

Kang, 2007, Guard-cell apoplastic sucrose concentration: a link between leaf photosynthesis and stomatal aperture size in the apoplastic phloem loader Vicia faba L, Plant Cell Environ, 30, 551, 10.1111/j.1365-3040.2007.01635.x

Kempers, 1998, Symplasmic constriction and ultrastructural features of the sieve element companion cell complex in the transport phloem of apoplasmically and symplasmically phloem-loading species, Plant Physiol, 116, 271, 10.1104/pp.116.1.271

Kempers, 1997, Symplasmic connections between sieve element and companion cell in the stem phloem of Vicia faba L. have a molecular exclusion limit of at least 10 kDa, Planta, 201, 195, 10.1007/BF01007704

Knop, 2004, AmSUT1, a sucrose transporter in collection and transport phloem of the putative symplastic phloem loader Alonsoa meridionalis, Plant Physiol, 134, 204, 10.1104/pp.103.029264

Krugel, 2008, Transport and sorting of the Solanum tuberosum sucrose transporter SUT1 is affected by posttranslational modification, Plant Cell., 20, 2497, 10.1105/tpc.108.058271

Krugel, 2009, Transport and sorting of the Solanum tuberosum sucrose transporter SUT1 is affected by posttranslational modification (correction), Plant Cell., 21, 4059

Kuhn, 2010, Sucrose transporters of higher plants, Curr. Opin. Plant Biol., 13, 288, 10.1016/j.pbi.2010.02.001

Kuhn, 1997, Macromolecular trafficking indicated by localization and turnover of sucrose transporters in enucleate sieve elements, Science, 275, 1298, 10.1126/science.275.5304.1298

Kuhn, 2003, The sucrose transporter StSUT1 localizes to sieve elements in potato tuber phloem and influences tuber physiology and development, Plant Physiol, 131, 102, 10.1104/pp.011676

Kuhn, 1996, Companion cell-specific inhibition of the potato sucrose transporter SUT1, Plant Cell Environ, 19, 1115, 10.1111/j.1365-3040.1996.tb00426.x

Lalonde, 2003, Phloem loading and unloading of sugars and amino acids, Plant Cell Environ, 26, 37, 10.1046/j.1365-3040.2003.00847.x

Lalonde, 2004, Transport mechanisms for organic forms of carbon and nitrogen between source and sink, Annu. Rev. Plant Biol., 55, 341, 10.1146/annurev.arplant.55.031903.141758

Leggewie, 2003, Overexpression of the sucrose transporter SoSUT1 in potato results in alterations in leaf carbon partitioning and in tuber metabolism but has little impact on tuber morphology, Planta, 217, 158, 10.1007/s00425-003-0975-x

Lemoine, 1996, Antisense inhibition of the sucrose transporter in potato: effects on amount and activity, Plant Cell Environ, 19, 1124, 10.1111/j.1365-3040.1996.tb00427.x

Lichtner, 1981, Sucrose uptake by developing soybean cotyledons, Plant Physiol, 68, 693, 10.1104/pp.68.3.693

Liesche, 2010, Recycling of Solanum sucrose transporters expressed in yeast, tobacco, and in mature phloem sieve elements, Mol. Plant, 3, 1064, 10.1093/mp/ssq059

Lohaus, 1995, Further-studies of the phloem loading process in leaves of barley and spinach: the comparison of metabolite concentrations in the apoplastic compartment with those in the cytosolic compartment and in the sieve tubes, Bot. Acta, 108, 270, 10.1111/j.1438-8677.1995.tb00860.x

Ludwig, 2000, Plant sucrose–H+ symporters mediate the transport of vitamin H, Plant J, 24, 503, 10.1046/j.1365-313x.2000.00900.x

Ma, 2009, Tiedyed1 encodes a novel, phloem-expressed transmembrane protein that functions in carbohydrate partitioning, Plant Physiol, 149, 181, 10.1104/pp.108.130971

Martinoia, 2000, Transport processes of solutes across the vacuolar membrane of higher plants, Plant Cell Physiol, 41, 1175, 10.1093/pcp/pcd059

Matsuda, 2002, The Commelina Yellow Mottle Virus promoter drives companion-cell-specific gene expression in multiple organs of transgenic tobacco, Protoplasma, 220, 51, 10.1007/s00709-002-0027-6

Matsukura, 2000, Sugar uptake and transport in rice embryo: expression of companion cell-specific sucrose transporter (OsSUT1) induced by sugar and light, Plant Physiol, 124, 85, 10.1104/pp.124.1.85

Maynard, 1982, A reanalysis of the 2-component phloem loading system in Beta vulgaris, Plant Physiol, 69, 734, 10.1104/pp.69.3.734

Maynard, 1982, Sucrose and glucose uptake into Beta vulgaris leaf tissues: a case for general (apoplastic) retrieval systems, Plant Physiol, 70, 1436, 10.1104/pp.70.5.1436

McCaskill, 2007, Phloem loading in Verbascum phoeniceum L. depends on the synthesis of raffinose-family oligosaccharides, Proc. Natl Acad. Sci. U S A, 104, 19619, 10.1073/pnas.0707368104

McCurdy, 2010, Functional characterization and RNAi-mediated suppression reveals roles for hexose transporters in sugar accumulation by tomato fruit, Mol. Plant, 3, 1049, 10.1093/mp/ssq050

Meyer, 2004, Wounding enhances expression of AtSUC3, a sucrose transporter from Arabidopsis sieve elements and sink tissues, Plant Physiol, 134, 684, 10.1104/pp.103.033399

Meyer, 2000, AtSUC3, a gene encoding a new Arabidopsis sucrose transporter, is expressed in cells adjacent to the vascular tissue and in a carpel cell layer, Plant J, 24, 869, 10.1046/j.1365-313x.2000.00934.x

Minchin, 1987, Measurement of unloading and reloading of photoassimilate within the stem of bean, J. Exp. Bot, 38, 211, 10.1093/jxb/38.2.211

Minchin, 1984, Further evidence of apoplastic unloading into the stem of bean: identification of the phloem buffering pool, J. Exp. Bot, 35, 1744, 10.1093/jxb/35.12.1744

Nadwodnik, 2008, Subcellular concentrations of sugar alcohols and sugars in relation to phloem translocation in Plantago major, Plantago maritima, Prunus persica, and Apium graveolens, Planta, 227, 1079, 10.1007/s00425-007-0682-0

Neuhaus, 2007, Transport of primary metabolites across the plant vacuolar membrane, FEBS Lett., 581, 2223, 10.1016/j.febslet.2007.02.003

Nilsson, 2010, Proteomics of plasma membranes from poplar trees reveals tissue distribution of transporters, receptors, and proteins in cell wall formation, Mol. Cell Proteomics, 9, 368, 10.1074/mcp.M900289-MCP200

Okumoto, 2010, Imaging approach for monitoring cellular metabolites and ions using genetically encoded biosensors, Curr. Opin. Biotech, 21, 45, 10.1016/j.copbio.2010.01.009

Oparka, 1999, Simple, but not branched, plasmodesmata allow the nonspecific trafficking of proteins in developing tobacco leaves, Cell., 97, 743, 10.1016/S0092-8674(00)80786-2

Overvoorde, 1996, A soybean sucrose binding protein independently mediates nonsaturable sucrose uptake in yeast, Plant Cell., 8, 271, 10.1105/tpc.8.2.271

Patrick, 1997, Phloem unloading: sieve element unloading and post-sieve element transport. Annu. Rev. Plant Physiol, Plant Mol. Biol., 48, 191

Payyavula, 2011, The sucrose transporter family in the importance of a tonoplast PtaSUT4 to biomass and carbon partitioning, Plant J Populus, 10.1111/j.1365-313X.2010.04463.x

Pugh, 2010, Evidence for the role of transfer cells in the evolutionary increase in seed and fiber biomass yield in cotton, Mol. Plant, 3, 1075, 10.1093/mp/ssq054

Ransom-Hodgkins, 2003, Protein phosphorylation plays a key role in sucrose-mediated transcriptional regulation of a phloem-specific proton–sucrose symporter, Planta, 217, 483, 10.1007/s00425-003-1011-x

Reidel, 2009, Phloem loading strategies in three plant species that transport sugar alcohols, Plant Physiol, 149, 1601, 10.1104/pp.108.134791

Reinders, 2001, Functional characterization of the α-glucoside transporter Sut1p from Schizosaccharomyces pombe, the first fungal homologue of plant sucrose transporters, Mol Microbiol., 39, 445, 10.1046/j.1365-2958.2001.02237.x

Reinders, 2002, Protein–protein interactions between sucrose transporters of different affinities colocalized in the same enucleate sieve element, Plant Cell., 14, 1567, 10.1105/tpc.002428

Reinders, 2008, Functional analysis of LjSUT4, a vacuolar sucrose transporter from Lotus japonicus, Plant Mol. Biol., 68, 289, 10.1007/s11103-008-9370-0

Rennie, 2009, A comprehensive picture of phloem loading strategies, Proc. Natl Acad. Sci. U S A, 106, 14162, 10.1073/pnas.0902279106

Riesmeier, 1993, Potato sucrose transporter expression in minor veins indicates a role in phloem loading, Plant Cell., 5, 1591, 10.1105/tpc.5.11.1591

Riesmeier, 1992, Isolation and characterization of a sucrose carrier cDNA from spinach by functional expression in yeast, EMBO J, 11, 4705, 10.1002/j.1460-2075.1992.tb05575.x

Riesmeier, 1994, Evidence for an essential role of the sucrose transporter in phloem loading and assimilate partitioning, EMBO J, 13, 1, 10.1002/j.1460-2075.1994.tb06229.x

Rosche, 2002, Seed-specific overexpression of a potato sucrose transporter increases sucrose uptake and growth rates of developing pea cotyledons, Plant J, 30, 165, 10.1046/j.1365-313X.2002.01282.x

Ruan, 1995, The cellular pathway of post-phloem sugar-transport in developing tomato fruit, Planta, 196, 434, 10.1007/BF00203641

Ruan, 2001, The control of single-celled cotton fiber elongation by developmentally reversible gating of plasmodesmata and coordinated expression of sucrose and K+ transporters and expansin, Plant Cell., 13, 47

Sauer, 2007, Molecular physiology of higher plant sucrose transporters, FEBS Lett., 581, 2309, 10.1016/j.febslet.2007.03.048

Sauer, 1994, SUC1 and SUC2: two sucrose transporters from Arabidopsis thaliana; expression and characterization in baker's yeast and identification of the histidine-tagged protein, Plant J, 6, 67, 10.1046/j.1365-313X.1994.6010067.x

Sauer, 2004, AtSUC8 and AtSUC9 encode functional sucrose transporters, but the closely related AtSUC6 and AtSUC7 genes encode aberrant proteins in different Arabidopsis ecotypes, Plant J, 40, 120, 10.1111/j.1365-313X.2004.02196.x

Schmitt, 2008, Immunolocalization of Solanaceous SUT1 proteins in companion cells and xylem parenchyma: new perspectives for phloem loading and transport, Plant Physiol, 148, 187, 10.1104/pp.108.120410

Schulze, 2003, Interactions between co-expressed Arabidopsis sucrose transporters in the split-ubiquitin system, BMC Biochem, 4, 3, 10.1186/1471-2091-4-3

Scofield, 2007, The role of the sucrose transporter, OsSUT1, in germination and early seedling growth and development of rice plants, J. Exp. Bot, 58, 483, 10.1093/jxb/erl217

Scofield, 2002, Antisense suppression of the rice sucrose transporter gene, OsSUT1, leads to impaired grain filling and germination but does not affect photosynthesis, Funct. Plant Biol., 29, 815, 10.1071/PP01204

Sivitz, 2005, Analysis of the transport activity of barley sucrose transporter HvSUT1, Plant Cell Physiol, 46, 1666, 10.1093/pcp/pci182

Sivitz, 2008, Arabidopsis sucrose transporter AtSUC1 is important for pollen germination and sucrose-induced anthocyanin accumulation, Plant Physiol, 147, 92, 10.1104/pp.108.118992

Sivitz, 2007, Arabidopsis sucrose transporter AtSUC9: high-affinity transport activity, intragenic control of expression, and early flowering mutant phenotype, Plant Physiol, 143, 188, 10.1104/pp.106.089003

Slewinski, 2010, Current perspectives on the regulation of whole-plant carbohydrate partitioning, Plant Science, 178, 341, 10.1016/j.plantsci.2010.01.010

Slewinski, 2010, The Psychedelic genes of maize redundantly promote carbohydrate export from leaves, Genetics, 185, U221, 10.1534/genetics.109.113357

Slewinski, 2009, Sucrose transporter1 functions in phloem loading in maize leaves, J. Exp. Bot, 60, 881, 10.1093/jxb/ern335

Smith, 1980, Phloem turgor and the regulation of sucrose loading in Ricinus communis L, Planta, 148, 42, 10.1007/BF00385440

Solfanelli, 2006, Sucrose-specific induction of the anthocyanin biosynthetic pathway in Arabidopsis, Plant Physiol, 140, 637, 10.1104/pp.105.072579

Sovonick, 1974, Evidence for active phloem loading in the minor veins of sugar beet, Plant Physiol, 54, 886, 10.1104/pp.54.6.886

Srivastava, 2009, AtSUC2, the predominant sucrose/proton symporter involved in phloem loading, is not an essential gene as plants harbouring a null allele are able to complete their life cycle and produce viable seed, Ann. Bot, 104, 1121, 10.1093/aob/mcp215

Srivastava, 2008, Functional characterization of the Arabidopsis AtSUC2 sucrose/H+ symporter by tissue-specific complementation reveals an essential role in phloem loading but not in long-distance transport, Plant Physiol, 148, 200, 10.1104/pp.108.124776

Srivastava, 2009, Effective carbon partitioning driven by exotic phloem-specific regulatory elements fused to the Arabidopsis thaliana AtSUC2 sucrose–proton symporter gene, BMC Plant Biol., 9, 7, 10.1186/1471-2229-9-7

Stadler, 2005, Cell-to-cell movement of green fluorescent protein reveals post-phloem transport in the outer integument and identifies symplastic domains in Arabidopsis seeds and embryos, Plant Physiol, 139, 701, 10.1104/pp.105.065607

Stadler, 1999, The AtSUC1 sucrose carrier may represent the osmotic driving force for anther dehiscence and pollen tube growth in Arabidopsis, Plant J, 19, 269, 10.1046/j.1365-313X.1999.00527.x

Stadler, 2005, Expression of GFP-fusions in Arabidopsis companion cells reveals non-specific protein trafficking into sieve elements and identifies a novel post-phloem domain in roots, Plant J, 41, 319, 10.1111/j.1365-313X.2004.02298.x

Steyn, 2002, Anthocyanins in vegetative tissues: a proposed unified function in photoprotection, New Phytol, 155, 349, 10.1046/j.1469-8137.2002.00482.x

Stitt, 2010, Arabidopsis and primary photosynthetic metabolism: more than the icing on the cake, Plant J, 61, 1067, 10.1111/j.1365-313X.2010.04142.x

Sun, 2010, Transport activity of rice sucrose transporters OsSUT1 and OsSUT5, Plant Cell Physiol, 51, 114, 10.1093/pcp/pcp172

Sung, 1979, Relative sensitivity of photosynthetic assimilation and translocation of 14Carbon to water stress, Plant Physiol, 64, 852, 10.1104/pp.64.5.852

Tang, 2010, The sucrose transporter HbSUT3 plays an active role in sucrose loading to laticifer and rubber productivity in exploited trees of Hevea brasiliensis (para rubber tree), Plant Cell Environ, 33, 1708, 10.1111/j.1365-3040.2010.02175.x

Truernit, 1995, The promoter of the Arabidopsis thaliana SUC2 sucrose–H+ symporter gene directs expression of β-glucuronidase to the phloem: evidence for phloem loading and unloading by SUC2, Planta, 196, 564, 10.1007/BF00203657

Turgeon, 1998, The absence of phloem loading in willow leaves, Proc. Natl Acad. Sci. U S A, 95, 12055, 10.1073/pnas.95.20.12055

Van As, 2009, MRI of intact plants, Photosynth. Res., 102, 213, 10.1007/s11120-009-9486-3

van Bel, 1996, Interaction between sieve element and companion cell and the consequences for photoassimilate distribution: two structural hardware frames with associated physiological software packages in dicotyledons, J. Exp. Bot, 47, 1129, 10.1093/jxb/47.Special_Issue.1129

Vaughn, 2002, Sucrose-mediated transcriptional regulation of sucrose symporter activity in the phloem, Proc. Natl Acad. Sci. U S A, 99, 10876, 10.1073/pnas.172198599

Viola, 2001, Tuberization in potato involves a switch from apoplastic to symplastic phloem unloading, Plant Cell., 13, 385, 10.1105/tpc.13.2.385

Voitsekhovskaja, 2009, Evidence for functional heterogeneity of sieve element-companion cell complexes in minor vein phloem of Alonsoa meridionalis, J. Exp. Bot, 60, 1873, 10.1093/jxb/erp074

Wahl, 2010, A novel high-affinity sucrose transporter is required for virulence of the plant pathogen Ustilago maydis, PLoS Biol, 8, e1000303, 10.1371/journal.pbio.1000303

Wang, 2009, A 64 kDa sucrose binding protein is membrane-associated and tonoplast-localized in developing mung bean seeds, J. Exp. Bot, 60, 629, 10.1093/jxb/ern308

Weichert, 2010, Increasing sucrose uptake capacity of wheat grains stimulates storage protein synthesis, Plant Physiol, 152, 698, 10.1104/pp.109.150854

Weise, 2000, A new subfamily of sucrose transporters, SUT4, with low affinity/high capacity localized in enucleate sieve elements of plants, Plant Cell., 12, 1345, 10.1105/tpc.12.8.1345

Weise, 2008, Introns control expression of sucrose transporter LeSUT1 in trichomes, companion cells and in guard cells, Plant Mol. Biol., 68, 251, 10.1007/s11103-008-9366-9

Wingenter, 2010, Increased activity of the vacuolar monosaccharide transporter TMT1 alters cellular sugar partitioning, sugar signaling, and seed yield in Arabidopsis, Plant Physiol, 154, 665, 10.1104/pp.110.162040

Wright, 2003, Structural and functional vein maturation in developing tobacco leaves in relation to AtSUC2 promoter activity, Plant Physiol, 131, 1555, 10.1104/pp.102.016022

Zaima, 2010, Application of imaging mass spectrometry for the analysis of Oryza sativa rice. Rapid Comm, Mass Spec, 24, 2723

Zhang, 2009, Downregulating the sucrose transporter VpSUT1 in Verbascum phoeniceum does not inhibit phloem loading, Proc. Natl Acad. Sci. U S A, 106, 18849, 10.1073/pnas.0904189106

Zhang, 2007, Nutrient loading of developing seeds, Func. Plant Biol., 34, 314, 10.1071/FP06271

Zhang, 2006, A shift of phloem unloading from symplasmic to apoplasmic pathway is involved in developmental onset of ripening in grape berry, Plant Physiol, 142, 220, 10.1104/pp.106.081430

Zhou, 2007, A suite of sucrose transporters expressed in coats of developing legume seeds includes novel pH-independent facilitators, Plant J, 49, 750, 10.1111/j.1365-313X.2006.03000.x

Zhou, 2009, Intracellular sucrose communicates metabolic demand to sucrose transporters in developing pea cotyledons, J. Exp. Bot, 60, 71, 10.1093/jxb/ern254