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Literature DB >> 16660138

Phloem loading in squash.

Abstract

Squash (Cucurbita pepo L. var. melopepo torticalis, Bailey) leaves were supplied with (14)C-sucrose, then specific radioactivities of the glucose and galactose moieties of translocated stachyose were determined. In every case, the specific radioactivity of the galactose moiety was greater than that of the glucose moiety. It is concluded that the stachyose was not synthesized at either the phloem-loading site or subsequent to phloem loading, but rather in cells that were not a part of the translocation system, possibly the mesophyll cells.

Entities: Chemical Species

Year: 1977 PMID： 16660138 PMCID： PMC542664 DOI： 10.1104/pp.60.4.567

Source DB: PubMed Journal: Plant Physiol ISSN： 0032-0889 Impact factor: 8.340

6 in total

1. Translocation of sucrose by squash plants.

Authors: J E Hendrix
Journal: Plant Physiol Date: 1973-12 Impact factor: 8.340

2. Labeling pattern of translocated stachyose in squash.

Authors: J E Hendrix
Journal: Plant Physiol Date: 1968-10 Impact factor: 8.340

3. Selective and Preferential Translocation of C-Labeled Sugars in White Ash and Lilac.

Authors: P Trip; C D Nelson; G Krotkov
Journal: Plant Physiol Date: 1965-07 Impact factor: 8.340

4. Role of free space in translocation in sugar beet.

Authors: D R Geiger; S A Sovonick; T L Shock; R J Fellows
Journal: Plant Physiol Date: 1974-12 Impact factor: 8.340

5. Evidence for Phloem loading from the apoplast: chemical modification of membrane sulfhydryl groups.

Authors: R Giaquinta
Journal: Plant Physiol Date: 1976-06 Impact factor: 8.340

6. Host-Pathogen Interactions: II. Parameters Affecting Polysaccharide-degrading Enzyme Secretion by Colletotrichum lindemuthianum Grown in Culture.

Authors: P D English; J B Jurale; P Albersheim
Journal: Plant Physiol Date: 1971-01 Impact factor: 8.340

6 in total

9 in total

1. Ultrastructure, plasmodesmatal frequency, and solute concentration in green areas of variegated Coleus blumei Benth. leaves.

Authors: D G Fisher
Journal: Planta Date: 1986-10 Impact factor: 4.116

9. Studies on the leaf of Amaranthus retroflexus (Amaranthaceae): ultrastructure, plasmodesmatal frequency, and solute concentration in relation to phloem loading.

Authors: D G Fisher; R F Evert
Journal: Planta Date: 1982-09 Impact factor: 4.116

9 in total

Phloem loading in squash.

1. Translocation of sucrose by squash plants.

2. Labeling pattern of translocated stachyose in squash.

3. Selective and Preferential Translocation of C-Labeled Sugars in White Ash and Lilac.

4. Role of free space in translocation in sugar beet.

5. Evidence for Phloem loading from the apoplast: chemical modification of membrane sulfhydryl groups.

6. Host-Pathogen Interactions: II. Parameters Affecting Polysaccharide-degrading Enzyme Secretion by Colletotrichum lindemuthianum Grown in Culture.

1. Ultrastructure, plasmodesmatal frequency, and solute concentration in green areas of variegated Coleus blumei Benth. leaves.

2. Sugar synthesis and phloem loading in Coleus blumei leaves.

3. The evidence for symplastic Phloem loading.

4. Carbohydrate Metabolism in Photosynthetic and Nonphotosynthetic Tissues of Variegated Leaves of Coleus blumei Benth.

5. Phloem Loading in Coleus blumei in the Absence of Carrier-Mediated Uptake of Export Sugar from the Apoplast.

6. Stachyose Synthesis in Source Leaf Tissues of the CAM Plant Xerosicyos danguyi H. Humb.

7. Are sucrosyl-oligosaccharides synthesized in mesophyll protoplasts of mature leaves of Cucumis melo?

8. Distribution and immunolocalization of stachyose synthase in Cucumis melo L.

9. Studies on the leaf of Amaranthus retroflexus (Amaranthaceae): ultrastructure, plasmodesmatal frequency, and solute concentration in relation to phloem loading.