Phloem loading - Not metaphysical, only complex: Towards a unified model of phloem loading

Journal of Experimental Botany

Volumn 47, Issue SPEC. ISS., 1996, Pages 1155-1164

  Komor, Ewald ^a   Orlich, Gabriele ^a   Weig, Alfons ^a   Köckenberger, Walter ^a  

^a UNIVERSITY OF BAYREUTH   (Germany)

Author keywords

Apoplastic loading; NMR imaging; Ricinus communis L.; Sieve tube exudate; Sucrose carrier

Indexed keywords

EID: 0000401111     PISSN: 00220957     EISSN: None     Source Type: Journal    
DOI: 10.1093/jxb/47.special_issue.1155     Document Type: Article

References (24)

1. Gamalei YV. 1985. Characteristics of phloem loading in woody and herbaceous plants. Fiziologia Rastenii 32, 866-75.
2. Gamalei YV. 1989. Structure and function of leaf minor veins in trees and herbs. A taxonomic review. Trees 3, 96-110.
3. Gamalei YV. 1991. Phloem loading and its development related to plant evolution from trees to herbs. Trees 5, 50-64.
4. Geigenberger P, Langenberger S, Wilke I, Heineke D, Heldt HW, Stitt M. 1993. Sucrose is metabolized by sucrose synthase and glycolysis within the phloem complex of Ricinus communis L. seedlings. Planta 190, 446-53.
5. Hall SM, Baker DA. 1972. The chemical composition of Ricinus phloem exudate. Planta 106, 131-40.
6. Kallarackal J, Orlich G, Schobert C, Komor E. 1989. Sucrose transport into the phloem of Ricinus communis L. seedlings as measured by the analysis of sieve-tube sap. Planta 177, 327-35.
7. Köhler J, Fritz E, Orlich G, Komor E. 1991. Microautoradiographic studies of the role of mesophyll and bundle tissues of the Ricinus cotyledon in sucrose uptake. Planta 183, 251-7.
8. Kriedemann P, Beevers H. 1967. Sugar uptake and translocation in the castor bean seedling. I. Characteristics of transfer in intact and excised seedlings. Plant Physiology 42, 161-73.
9. Lucas WJ. 1985. Phloem loading: a metaphysical phenomenon? In: Heath RL, Preiss J, eds. Regulation of carbon partitioning in photosynthetic tissue. Rockville: American Society of Plant Physiologists, 254-71.
10. Madore MA, Lucas WJ. 1987. Control of photoassimilate movement in source-leaf tissues of Ipomoea tricolor Cav. Planta 171, 197-204.
11. Madore MA, Oross JW, Lucas WJ. 1986. Symplastic transport in Ipomea tricolor source leaves. Demonstration of functional symplastic connections from mesophyll to minor veins by a novel dye-tracer method. Plant Physiology 82, 432-42.
12. Orlich G, Komor E. 1992. Phloem loading in Ricinus cotyledons: sucrose pathways via the mesophyll and the apoplasm. Planta 187, 460-74.
13. Pate JS. 1975. Exchange of solutes between phloem and xylem and circulation in the whole plant. Encyclopedia of Plant Physiology, New Series 1, 451-73.
14. Riesmeier JW, Willmitzer L, Frommer WB. 1992. Isolation and characterization of a sucrose carrier cDNA from spinach by functional expression in yeast. The EMBO Journal 11, 4705-13.
15. Riesmeier JW, Willmitzer L, Frommer WB. 1994. Evidence for an essential role of the sucrose transporter in phloem loading and assimilate partitioning. The EMBO Journal 13, 1-7
16. + symporter gene directs expression of β-glucuronidase to the phloem: evidence for phloem loading and unloading by SUC2. Planta 196, 564-70.
17. Turgeon R. 1991. Symplastic phloem loading and the sink-source transition in leaves: a model. In: Bonnemain JL, Delrot S, Lucas WJ, Dainty J, eds. Recent advances in phloem transport and assimilate compartmentation. Nantes: Ouest Editions, 18-22.
18. van Bel AJE. 1987. The apoplast concept of phloem loading has no universal validity. Plant Physiology and Biochemistry 25, 677-86.
19. van Bel AJE. 1989. The challenge of symplastic phloem loading. Botanica Acta 102, 183-5.
20. van Bel AJE. 1993. Strategies of phloem loading. Annual Review of Plant Physiology and Plant Molecular Biology 44, 253-81.
21. van Bel AJE, Gamalei YV. 1992. Ecophysiology of phloem loading in source leaves. Plant, Cell and Environment 15, 265-70.
22. van Bel AJE, Kempers R. 1991. Symplastic isolation of the sieve element-companion cell complex in the phloem of Ricinus communis and Salix alba stems. Planta 183, 69-76.
23. Webster. 1976. Third new international dictionary of the English language (unabridged). Springfield: GC Merriam Co. Publishers.
24. Weig A, Franz J, Sauer N, Komor E. 1994. Isolation of a family of cDNA clones from Ricinus communis L. with close homology to the hexose carriers. Journal of Plant Physiology 143, 178-83.