Structure, mechanisms of catalysis, and regulation of sugar transporters in plants

Photoassimilate Distribution Plants and Crops Source-Sink Relationships

Volumn , Issue , 2017, Pages 229-260

  Buckhout, Thomas J ^a   Tubbe, Axel ^b  

^a HUMBOLDT UNIVERSITY   (Germany)

^b France   (Germany)

Author keywords

[No Author keywords available]

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EID: 85051486124     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1201/9780203743539     Document Type: Chapter

References (145)

1. +/hexose cotransporter from Chlorella in Xenopus oocytes and its characterization with respect to sugar specificity: pH and membrane potential. J. Plant Physiol. 141, 293-297
2. Bell, G. I., Kayano, T., Buse, J. B., Burant, C. F., Takada, J., Lin, D., Fukumoto, H., Seino, S. (1990) Molecular biology of mammalian glucose transporters. Diab. Care 13, 198-208
3. Berüter, J. (1993) Characterization of the permeability of excised apple tissue for sorbitol. J. Exp. Bot. 44, 519-528
4. Berüter, J., Kalberer, P. P. (1983) The uptake of sorbitol by apple fruit tissue. Z. Pflanzenphysiol. 110, 113-125
5. Bieleski, R. L. (1977) Accumulation of sorbitol and glucose by leaf slices of Rosaceae. Aust. J. Plant Physiol. 4,11-24
6. Bisson, L. F., Coons, D. M., Kruckeberg, A. L., Lewis, D. A. (1993) Yeast sugar transporter. Crit. Rev. Biochem. Mol. Biol. 28, 259-308
7. Boorer, K. J., Forde, B. G., Liegh, R. A., Miller, A. J. (1992) Functional expression of a plant plasma membrane transporter in Xenopus oocytes. FEBS Lett. 302, 166-168
8. Borchert, S., Große, H., Heidt, H. W. (1989) Specific transport of inorganic phosphate, glucose 6-phosphate, dihydroxy-acetone phosphate and 3-phosphoglycerate into amyloplasts from pea roots. FEBS Lett. 253, 183-186
9. Borstlap, A. C. (1983) The use of model-fitting in the interpretation of‘dual’ uptake isotherms. Plant Cell Environ. 6,407-416
10. +-antiport. Plant Physiol. 78, 871-875
11. Buckhout, T. J. (1989) Sucrose transport in isolated plasma membrane vesicles from sugar beet (Beta vulgaris L.): evidence for an electrogenic sucrose-proton symport. Planta 178, 393-399
12. + symporter from sugar beet (Beta vulgaris L.) leaves. Plant Physiol. 106, 991-998
13. Buckhout, T. J., Hrubec, T. C. (1986) Pyridine nucleotide-dependent ferricyanide reduction associated with isolated plasma membranes of maize (Zea mays L.) roots. Protoplasma 135, 144-154
14. Bugos, R. C., Thom, M. (1993) Glucose transporter cDNA from sugarcane. Plant Physiol. 103, 1468-1470
15. Bush, D. R. (1989) Proton-coupled sucrose transport in plasmalemma vesicles isolated from sugar beet (Beta vulgaris L. cv Great Western) leaves. Plant Physiol. 89, 1318-1323
16. Bush, D. R. (1990) Electrogenicity, pH-dependence, and stoichiometry of the proton-sucrose symport. Plant Physiol. 93, 1590-1596
17. Bush, D. R. (1993) Proton-coupled sugar and amino acid transporters in plants. Annu. Rev. Plant Physiol. Plant Mol. Biol. 44, 513-542
18. +symporter. J. Biol. Chem. 269, 3498-3502
19. Costello, M. J., Escaig, J., Matsushita, K., Viitanen, P. V., Menick, D. R., Kaback, H. D. (1987) Purified lac permease and cytochrome o oxidase are functional as monomers. J. Biol. Chem. 262, 17072-17082
20. Daie, J. (1987) Sucrose uptake in isolated phloem of celery is a single saturable transport system. Planta 171, 474-482
21. Delrot, S. (1981) Proton fluxes associated with sugar uptake in Vicia faha leaf tissues. Plant Physiol. 68, 706-711
22. Delrot, S., Bonnemain, J.-L. (1981) Involvement of protons as a substrate for the sucrose carrier during phloem loading in Vicia faba leaves. Plant Physiol. 67, 560-564
23. Doehlert, D. C., Felker, F. C. (1987) Characterization and distribution of invertase activity in developing maize (Zea mays) kernels. Physiol. Plant. 70, 51-57
24. Doll, S., Willenbrink, J. (1979) Accumulation of sucrose in vacuoles isolated from red beet tissue. Planta 144, 407-411
25. Felle, H., Bentrup, F.-W. (1980) Hexose transport and membrane depolarization in Ricciafluitans. Planta 147, 471-476
26. 3-and Copiants: evidence for putative participation of specific amino acid residues in the recognition of phosphoenolpyruvate. Plant J. 5, 215-226
27. Fliege, R., Fliigge, U.-I., Werdan, K., Heldt, H. W. (1978) Specific transport of inorganic phosphate, 3-phosphoglycerate and triosephosphates across the inner membrane of the envelope in spinach chloroplasts. Biochim. Biophys. Acta 502, 232-247
28. Fliigge, U.-I. (1985) Hydrodynamic properties of the Triton X-100 solubilized chloroplast phosphate translocator. Biochim. Biophys. Acta 815, 299-305
29. Fliigge, U.-I., Benz, R. (1984) Pore-forming activity in the outer membrane of the chloroplast envelope. FEBS Lett. 169, 85-89
30. Fliigge, U.-I., Fischer, K., Gross, A., Sebald, W., Lottspeich, F., Eckerskorn, C. (1989) The triose phosphate-3-phosphoglycerate-phosphate translocator from spinach chloroplasts: nucleotide sequence of a full-length cDNA clone and import of the in vitro synthesized precursor protein into chloroplasts. EMBO J. 8, 39-46
31. Fliigge, U.-I., Heldt, H. W. (1977) Specific labelling of a protein involved in phosphate transport of chloroplasts by pyridoxal-5'-phosphate. FEBS Lett. 82, 29-33
32. Fliigge, U.-I., Heldt, H. W. (1981) The phosphate translocator of the chloroplast envelope isolation of the carrier protein and reconstitution of transport. Biochim. Biophys. Acta 638, 296-304
33. Fliigge, U.-I., Heldt, H. W. (1986) Chloroplast phosphate-triose phosphate-phosphoglycerate translocator: its identification, isolation, and reconstitution. Meth. Enzymol. 125, 716-730
34. Fliigge, U.-I., Heldt, H. W. (1991) Metabolite translocators of the chloroplast envelope. Annu. Rev. Plant Physiol. Mol. Biol. 42, 129-144
35. Fliigge, U.-I., Weber, A., Fischer, K., Lottspeich, F., Eckerskorn, C., Waegemann, K., Soil, J. (1991) The major chloroplast envelope polypeptide is the phosphate translocator and not the protein import receptor. Nature 353, 364-367
36. Fliigge, U.-I., Wessel, D. (1984) Cell-free synthesis of putative precursors for envelope membrane polypeptides of spinach chloroplasts. FEBS Lett. 168, 255-259
37. Fondy, B. R., Geiger, D. R. (1977) Sugar selectivity and other characteristics of phloem loading in Beta vulgaris L. Plant Physiol. 59, 953-960
38. Gallet, O., Lemoine, R., Larsson, C., Delrot, S. (1988) The sucrose carrier of the plant plasma membrane. Vol I. Differential affinity labeling. Biochim. Biophys. Acta 978, 56-64
39. Getz, H.-P. (1991) Sucrose transport in tonoplast vesicles of red beet roots is linked to ATP hydrolysis. Planta 185, 261-268
40. Getz, H.-P., Knauer, D., Willenbrink, J. (1987) Transport of sugars across the plasma membrane of beetroot protoplasts. Planta 171, 185-196
41. Getz, H.-P., Thom, M., Maretzki, A. (1991) Proton and sucrose transport in isolated tonoplast vesicles from sugarcane stalk tissue. Physiol Plant. 83, 404-410
42. Getz, H.-P., Grosclaude, J., Kurkdjian, A., Lelièvre, F., Maretzki, A., Guern, J. (1993) Immunological evidence for the existence of a carrier protein for sucrose transport in tonoplast vesicles from red beet (Beta vulgaris L.) root storage tissue. Plant Physiol. 102, 751-760
43. Giaquinta, R. (1977) Phloem loading of sucrose: pH dependence and selectivity. Plant Physiol. 59, 750-755
44. Giaquinta, R. T. (1983) Phloem loading of sucrose. Annu. Rev. Plant Physiol. 34, 347-387
45. Gogarten, J. P., Bentrup, F.-W. (1989a) The electrogenic proton/hexose carrier in the plasmalemma of Chenopodium rubrum suspension cells: effects of Ac, ApH and Apsi on hexose exchange diffusion. Biochim. Biophys. Acta 978, 43-50
46. Gogarten, J. P., Bentrup, F.-W. (1989b) Substrate specificity of the hexose carrier in the plasma membrane of Chenopodium rubrum suspension cells probed by transmembrane exchange diffusion. Planta 178, 52-60
47. + antiporters on the tonoplast of Japanese artichoke (Stachys sieboldii) tubers. Plant Physiol. 101, 1317-1322
48. Grignon, C., Sentenac, H. (1991) pH and ionic conditions in the apoplast. Annu. Rev. Plant Physiol. Plant Mol. Biol. 42, 103-128
49. Grimes, H. D., Overvoorde, P. J., Ripp, K., Franceschi, V. R., Hitz, W. D. (1992) A 62-kD sucrose binding protein is expressed and localized in tissues actively engaged in sucrose transport. Plant Cell 4, 1561-1574
50. Gross, A., Brückner, G., Heldt, H. W., Fliigge, U.-I. (1990) Comparison of the kinetic properties, inhibition and labelling of the phosphate translocators from maize and spinach mesophyll chloroplasts. Planta 180, 262-271
51. Guy, M., Reinhold, L., Michaeli, D. (1979) Direct evidence for a sugar transport mechanism in isolated vacuoles. Plant Physiol. 64, 61-64
52. Hatzfeld, W.-D., Stitt, M. (1990) A study of the rate of recycling of triose phosphates in heterotrophic Chenopodium rubrum cells, potato tubers and maize endosperm. Planta 180, 198-204
53. +-sucrose symporter on the plasma membrane of sugar beets (Beta vulgaris L.). Plant Physiol. 99, 439-444
54. Heidt, H. W., Flügge, U.-I., Borchert, S. (1991) Diversity of specificity and function of phosphate translocators in various plastids. Plant Physiol. 95, 341-343
55. Herold, A., Leegood, R. C., McNeil, P. H., Robinson, S. P. (1981) Accumulation of maltose during photosynthesis in protoplasts isolated from spinach leaves treated with mannose. Plant Physiol. 67, 85-88
56. Hill, L. M., Smith, A. M. (1991) Evidence that glucose-6-phosphate is imported as the substrate for starch synthesis by plastids of developing pea embryos. Planta 185, 91-96
57. Hitz, W. D., Card, P. J., Ripp, K. G. (1986) Substrate recognition by a sucrose transporting protein. J. Biol. Chem. 261, 11986-11991
58. Howitz, K. T., McCarty, R. E. (1988) Measurement of proton-linked transport activities in pyranine loaded chloroplast inner envelope vesicles. Plant Physiol. 86, 999-1001
59. 4 mesophyll chloroplasts. Evidence for an exchange of inorganic phosphate and phosphoenolpyruvate. Biochim. Biophys. Acta 462, 603-612
60. Kaback, H. R., Bibi, E., Roepe, P. D. (1990) ß-galactoside transport in E. coli: a functional dissection of lac permease. TIBS 15, 309-314
61. Kaiser, G., Heber, U. (1984) Sucrose transport into vacuoles isolated from barley mesophyll protoplasts. Planta 161,562-568
62. Kaiser, G., Martinoia, E., Wiemken, A. (1982) Rapid appearance of photosynthetic products in the vacuoles isolated form barley mesophyll protoplasts by a new fast method. Z. Pflanzenphysiol. 107, 103-113
63. Keeling, P. L., Wood, J. R., Tyson, R. H., Bridges, I. G. (1988) Starch biosynthesis in developing wheat grain: evidence against the direct involvement of triose phosphates in the metabolic pathway. Plant Physiol. 87, 311-319
64. Keller, F. (1992) Transport of stachyose and sucrose by vacuoles of Japanese artichoke (Stachys sieboldii) tubers. Plant Physiol. 98, 442-445
65. Keller, F., Matile, P. (1985) The role of the vacuole in storage and mobilization of stachyose in tubers of Stachys sieboldii. J. Plant Physiol. 119, 369-380
66. Komor, E. (1973) Proton-coupled hexose transport in Chlorella vulgaris. FEBS Lett. 38, 16-18
67. Komor, E. (1977) Sucrose uptake by cotyledons of Ricinus communis L.: characteristics, mechanism and regulation. Planta 137, 119-131
68. Komor, E. (1982) Transport of sugar. In: Encyclopedia of plant physiology, new series, pp. 635-676, Pearson, A., Zimmermann, M. H., eds. Springer-Verlag, Berlin
69. Komor, E., Schobert, C., Cho, B.-H. (1985) Sugar specificity and sugar-proton interaction for the hexose-proton-symport system of Chlorella. Eur. J. Biochem. 146, 649-656
70. Komor, E., Thom, M., Maretzki, A. (1982) Vacuoles from sugarcane suspension cultures. III. Protonmotive potential difference. Plant Physiol. 69, 1326-1330
71. Kurkdjian, A., Guem, J. (1989) Intracellular pH: measurement and importance in cell activity. Annu. Rev. Plant Physiol. Plant Mol. Biol. 40, 271-303
72. Larsson, C., Kjellbom, P., Widell, S., Lundborg, T. (1984) Sidedness of plant plasma membrane vesicles purified by partitioning in aqueous two phase systems. FEBS Lett. 171, 217-276
73. Lemoine, R., Daie, J., Wyse, R. (1988) Evidence for the presence of a sucrose carrier in immature sugar beet tap roots. Plant Physiol. 86, 575-580
74. Lemoine, R., Delrot, S. (1989) Proton-motive-force-driven sucrose uptake in sugar beet plasma membrane vesicles. FEBS Lett. 249, 129-133
75. Lemoine, R., Delrot, S., Gallet, O., Larsson, C. (1989) The sucrose carrier of the plant plasma membrane. II. Immunological characterization. Biochim. Biophys. Acta 978, 65-71
76. Lemoine, R., Gallet, O., Gaillard, C., Frommer, W., Delrot, S. (1992) Plasma membrane vesicles from source and sink leaves. Plant Physiol. 100, 1150-1156
77. Li, Z.-S., Gallet, O., Gaillard, C., Lemoine, R., Delrot, S. (1991a) Reconstitution of active sucrose transport in plant proteoliposomes. FEBS Lett. 286, 117-120
78. Li, Z.-S., Gallet, O., Gaillard, C., Lemoine, R., Delrot, S. (1991b) The sucrose carrier of the plant plasmalemma. III. Partial purification and reconstitution of active sucrose transport in liposomes. Biochim. Biophys. Acta 1103, 259-267
79. Lichtner, R. T., Spanswick, R. M. (1981) Electrogenic sucrose transport in developing soybean cotyledons. Plant Physiol. 67, 869-874
80. Lin, W. (1985) Energetics of sucrose transport into protoplasts from developing soybean cotyledons. Plant Physiol. 78, 41-45
81. Loddenkötter, B., Kämmerer, B., Fischer, K., Flügge, U.-I. (1993) Expression of the functional mature chloroplast triose phosphate translocator in yeast internal membranes and purification of the histidine-tagged protein by a single metal-affinity chromatography step. Proc. Natl. Acad. Sei. USA 90, 2155-2159
82. Loescher, W. H. (1987) Physiology and metabolism of sugar alcohols in higher plants. Physiol. Plant 70, 553-557
83. Marger, M. D., Saier, Jr., M. H. (1993) A major superfamily of transmembrane facilitators that catalyse uniport, symport and antiport. TIBS 18, 13-20
84. Martinoia, E. (1992) Transport processes in vacuoles of higher plants. Bot. Acta 105, 232-245
85. Martinoia, E., Kaiser, G., Schramm, M. J., Heber, U. (1987) Sugar transport across the plasmalemma and the tonoplast of barley mesophyll protoplasts: evidence for different transport systems. J. Plant Physiol. 131, 467-478
86. Maynard, J. W., Lucas, W. J. (1982a) A re-analysis of the two-component phloem loading system in Beta vulgaris. Plant Physiol. 69, 734-739
87. Maynard, J. W., Lucas, W. J. (1982b) Sucrose and glucose uptake into Beta vulgaris leaf tissues: a case for general (apoplastic) retrieval systems. Plant Physiol. 70, 1436-1443
88. M’Batchi, B., Delrot, S. (1988) Stimulation of sugar exit from leaf tissues of Vicia faba L. Planta 174, 340-348
89. Neuhaus, H. E., Batz, O., Thom, E., Scheibe, R. (1993a) Purification of highly intact plastids from various heterotrophic plant tissues: analysis of enzymic equipment and precursor dependency for starch biosynthesis. Biochem. J. 296, 395-401
90. Neuhaus, H. E., Henrichs, G., Scheibe, R. (1993b) Characterization of glucose-6-phosphate incorporation into starch by isolated intact cauliflower bud plastids. Plant Physiol. 101, 573-578
91. Neuhaus, H. E., Holtum, J. A. M., Latzko, E. (1988) Transport of phosphoenolpyruvate by chloroplasts from Mes-emhryanthemum crystallinum L. exhibiting crassulacean acid metabolism. Plant Physiol. 87, 64-68
92. 4 plant, Panicum miliaceum L.: identification and kinetic characterization. Plant Physiol. 91, 1507-1511
93. Overlach, S., Diekmann, W., Raschke, K. (1993) Phosphate translocator of isolated guard-cell chloroplasts from Pisum sativum L. transports glucose-6-phosphate. Plant Physiol. 101, 1201-1207
94. Piazza, G. J., Smith, M. G., Gibbs, M. (1982) Characterization of the formation and distribution of photosynthetic products by Sedum praealtum chloroplasts. Plant Physiol. 70, 1748-1758
95. Preisser, J., Komor, E. (1991) Sucrose uptake into vacuoles of sugarcane suspension cells. Planta 186, 109-114
96. Preisser, J., Sprügel, H., Komor, E. (1992) Solute distribution between vacuole and cytosol of sugarcane suspension cells: sucrose is not accumulated in the vacuole. Planta 186, 203-211
97. Prince, R. C., Gunsun, D. E., Leigh, J. S., McDonald, G. G. (1982) The predominant forms of fructose is a pyranose, not a furanose ring. TIBS 7, 239-240
98. Racusen, R. H., Galston, A. W. (1977) Electrical evidence for rhythmic changes in the cotransport of sucrose and hydrogen ions in Samanea pulvini. Planta 35, 57-62
99. Rausch, T. (1991) The hexose transporters at the plasma membrane and the tonoplast of higher plants. Physiol. Plant. 82, 134-142
100. Rausch, T., Böhm, M., Dahse, L, Weil, M., Verstappen, R. (1994) Sugar transport into plasma membrane vesicles of transformed tobacco cells: uptake of sucrose but not hexoses is stimulated by ApH. J. Exp. Bot. 45, 245-252
101. +-ATPase antibodies. Plant Physiol. 85, 996-999
102. Reinhold, L., Kaplan, A. (1984) Membrane transport of sugars and amino acids. Annu. Rev. Plant Physiol. 35, 45-83
103. Riesmeier, J. W., Flügge, U.-L, Schulz, B., Heineke, D., Heidt, H. W., Willmitzer, L., Frommer, W. B. (1993a) Antisense repression of the chloroplast triose phosphate translocator affects carbon partitioning in transgenic potato plants. Proc. Natl. Acad. Sei. USA 90, 6160-6164
104. Riesmeier, J. W., Hirner, B., Frommer, W. B. (1993b) Potato sucrose transporter expression in minor veins indicates a role in phloem loading. Plant Cell 5, 1591-1598
105. Riesmeier, J. W., Willmitzer, L., Frommer, W. B. (1992) Isolation and characterization of a sucrose carrier cDNA from spinach by functional expression in yeast. EMBO J. 11, 4705-4713
106. Riesmeier, J. W., Willmitzer, L., Frommer, W. B. (1994) Evidence for an essential role of the sucrose transporter in phloem loading and assimilate partitioning. EMBO J. 13, 1-7
107. Ripp, K. G., Viitanen, P. V., Hitz, W. D., Franceschi, V. R. (1988) Identification of a membrane protein associated with sucrose transport into cells of developing soybean cotyledons. Plant Physiol. 88, 1435-1445
108. 4 mesophyll chloroplasts by tritiated dihydro-DIDS (1,2-ditritio l,2[2,2'-disulfo-4,4'diisothiocya-no]diphenylethane). Plant Physiol. 86, 1193-1198
109. Saftner, R. A., Daie, J., Wyse, R. E. (1983) Sucrose uptake and compartmentation in sugar beet taproot tissue. Plant Physiol. 72, 1-6
110. Sakr, S., Lemoine, R., Gaillard, C., Delrot, S. (1993) Effect of cutting on solute uptake by plasma membrane vesicles from sugar beet (Beta vulgaris L.) leaves. Plant Physiol. 103, 49-58
111. Sandelius, A. S., Morrö, D. J. (1990) Plasma membrane isolation. In: The plant plasma membrane: structure, function and molecular biology, pp. 44-75, Larsson, C., Möller I. M., eds. Springer-Verlag, Berlin
112. Sanders, D. (1986) Generalized kinetic analysis of ion-driven cotransport systems: II. Random ligand binding as a simple explanation for non-michaelian kinetics. J. Membr. Biol. 90, 67-87
113. Sanders, D., Hansen, U.-P., Gradmann, D., Slayman, C. L. (1984) Generalized kinetic analysis of ion-driven cotransport systems: a unified interpretation of selective ionic effects on Michaelis parameters. J. Membr. Biol. 77, 123-152
114. Sanders, D., Slayman, C. L. (1989) Transport at the plasma membrane of plant cells: a review. In: Membrane transport in plants. Proceedings of the 8th international workshop on membrane transport in plants, pp. 3-11, Dainty, J., DeMichelis, M. L, Marrö, E., Rasi-Caldogno, F., eds. Elsevier Science Publishers, Amsterdam
115. Sauer, N., Caspari, T., Klebl, F., Tanner, W. (1990a) Functional expression of the Chlorella hexose transporter in Schizosaccharomyces pombe. Proc. Natl. Acad. Sei. USA 87, 7949-7952
116. Sauer, N., Friedländer, K., Gräml-Wicke, U. (1990b) Primary structure, genomic organization and heterologous expression of a glucose transporter from Arabidopsis thaliana. EMBO J. 9, 3045-3050
117. +/monosaccharide cotransporter from Nicotiana tabacum: cloning and heterologous expression in baker’s yeast. Plant J. 4, 601-610
118. +-cotransporter. FEBS Lett. 259, 43-46
119. Sauer, N., Tanner, W. (1993) Molecular biology of sugar transporters in plants. Bot. Acta 106, 277-286
120. Schäfer, G., Heber, U., Heidt, H. W. (1977) Glucose transport into spinach chloroplasts. Plant Physiol. 60, 286-289
121. Schmitt, M. R., Hitz, W. D., Lin, W., Giaquinta, R. T. (1984) Sugar transport into protoplasts isolated from developing soybean cotyledons. II. Sucrose transport kinetics, selectivity and modeling studies. Plant Physiol. 75, 941-946
122. Schulz, B., Frommer, W. B., Flügge, U.-L, Hummel, S., Fischer, K., Willmitzer, L. (1993) Expression of the triose phosphate translocator gene from potato is light dependent and restricted to green tissues. Mol. Gen. Genet. 238, 357-361
123. +-symport model for sucrose transport. Planta 183, 584-589
124. Sovonick, S. A., Geiger, D. R., Fellows, R. J. (1974) Evidence for active phloem loading in the minor veins of sugar beet. Plant Physiol. 54, 886-891
125. Stanzel, M., Sjolund, R. D., Komor, E. (1988a) Transport of glucose, fructose and sucrose by Streptanthus tortuosus suspension cells. I. Uptake at low sugar concentration. Planta 174, 201-209
126. Stanzel, M., Sjolund, R. D., Komor, E. (1988b) Transport of glucose, fructose and sucrose by Streptanthus tortuosus suspension cells. II. Uptake at high sugar concentration. Planta 174, 210-216
127. +-sugar antiport as the mechanism of sugar uptake by sugarcane vacuoles. FEBS Lett. 173, 1-4
128. Thom, M., Komor, E., Maretzki, A. (1982b) Vacuoles from sugarcane suspension cultures. II. Characterization of sugar uptake. Plant Physiol. 69, 1320-1325
129. Thom, M., Maretzki, A., Komor, E. (1982a) Vacuoles form sugarcane suspension cultures. I. Isolation and partial characterization. Plant Physiol. 69, 1315-1319
130. +-hexose symporter on the plasma membrane of sugarbeets (Beta vulgaris L.). Plant Physiol. 99, 945-951
131. Van Bel, A. J. E. (1993) Strategies of phloem loading. Annu. Rev. Plant Physiol. Plant Mol. Biol. 44, 253-281
132. Verstappen, R., Ranostaj, S., Rausch, T. (1991) The hexose transporters at the plasma membrane and the tonoplast of transformed plant cells: kinetic characterization of two distinct carriers. Biochim. Biophys. Acta 1073, 366-373
133. Wagner, G. J. (1979) Content and vacuole/extravacuole distribution of neutral sugars, free amino acids, and anthocyanin in protoplasts. Plant Physiol. 64, 88-93
134. Wallmeier, H., Weber, A., Gross, A., Flügge, U.-I. (1992) Insights into the structure of the cloroplast phosphate translocator protein. In: Transport and receptor proteins of plant membranes, pp. 77-89, Cooke, D. T., Clarkson, D. T., eds. Plenum Press, New York
135. Warmbrodt, R. D., Buckhout, T. J., Hitz, W. D. (1989) Localization of a protein, immunologically similar to a sucrosebinding protein from developing soybean cotyledons, on the plasma membrane of sieve-tube members of spinach leaves. Planta 180, 105-115
136. Willenbrink, J., Doll, S. (1979) Characteristics of the sucrose uptake system of vacuoles isolated from red beet tissue: kinetics and specificity of the sucrose uptake system. Planta 147, 159-162
137. Willey, D. L., Fischer, K., Wächter, E., Link, T. A., Flügge, U.-I. (1991) Molecular cloning and structural analysis of the phosphate translocator from pea chloroplasts and its comparison to the spinach phosphate translocator. Planta 183, 451-461
138. Williams, L. E., Nelson, S. J., Hall, J. L. (1990a) Characterization of solute transport in plasma membrane vesicles from cotyledons of Ricinus communis L. II. Evidence for a proton-coupled mechanism for sucrose and amino acid uptake. Planta 182, 540-545
139. Williams, L. E., Nelson, S. J., Hall, J. L. (1992) Characterization of solute proton cotransport in plasma membrane vesicles from Ricinus cotyledons, and a comparison with other tissues. Planta 186, 541-550
140. Williams, L., Thom, M., Maretzki, A. (1990b) Characterization of a proton translocating ATPase and sucrose uptake in a tonoplast-enriched vesicle fraction from sugarcane. Physiol. Plant. 80, 169-176
141. Wright, E. M., Turk, E., Zabel, B., Mundlos, S., Dyer, J. (1991) Molecular genetics of intestinal glucose transport. J Clin. Invest. 88, 1435-1440
142. Wright, J. P., Fisher, D. B. (1981) Measurement of the sieve tube membrane potential. Plant Physiol. 76, 845-848
143. Wyse, R. (1979) Sucrose uptake by sugar beet tap root tissue. Plant Physiol. 64, 837-841
144. Yamaki, S., Asakura, T. (1988) Energy coupled transport of sorbitol and other sugars into the protoplast isolated from apple fruit flesh. Plant Cell Physiol. 29, 961-967
145. Zamski, E., Wyse, R. E. (1985) Stereospecificity of the glucose carrier in sugar beet suspension cells. Plant Physiol. 78, 291-295