Results 271 to 280 of about 38,485 (309)
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Cytoskeletal proteins in the phloem tissues and phloem sap of higher plants
Cell Biology International, 2003The phloem of vascular plants is a highly specialized system for long-distance transport, which delivers photosynthates, mineral nutrients, and diverse macromolecules to heterotrophic plant tissues. Despite a lot of studies concerning phloem structure and function, surprisingly little is known about the mechanism and regulation of phloem transport. The
A L, Kulikova +2 more
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Towards deciphering phloem: a transcriptome analysis of the phloem of Apium graveolens
The Plant Journal, 2003SummaryEvents occurring in the phloem tissue are key to understanding a wide range of developmental and physiological processes in vascular plants. While a considerable amount of molecular information on phloem proteins has emerged in the past decade, a unified picture of the molecular mechanisms involved in phloem differentiation and function is still
Vilaine, Françoise +5 more
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Macromolecules in phloem exudates—a review
Protoplasma, 2010Proteomic and transcriptomic analyses using the growing resources of genomic information have been applied to identification of macromolecules in exudates collected from phloem. Most of the analyses rely on collection of exudate following incisions made to the vasculature, but some limited data are available for exudates collected from excised aphid ...
Atkins, Craigs +2 more
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Phloem: the long and the short of it
Trends in Plant Science, 2006The structure of phloem sieve-element-companion-cell complexes reflects a duality of function: to conduct photoassimilates throughout the plant, and to exchange solutes between the phloem and surrounding tissues. The conceptual integration of these long- and short-distance functions requires the abandonment of a long-cherished concept in phloem ...
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Nature, 1971
Exactly how nutrient materials travel through the green plant is still a matter for controversy. This review highlights some of the current points of interest.
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Exactly how nutrient materials travel through the green plant is still a matter for controversy. This review highlights some of the current points of interest.
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1992
The direction of the long distance transport of solutes in the xylem is governed by transpiration and so takes place from root to shoot. Transport in the reverse direction occurs in a specialised tissue known as phloem (from the Latin word for bark): together xylem and phloem make up the vascular tissue of the plant.
T. J. Flowers, A. R. Yeo
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The direction of the long distance transport of solutes in the xylem is governed by transpiration and so takes place from root to shoot. Transport in the reverse direction occurs in a specialised tissue known as phloem (from the Latin word for bark): together xylem and phloem make up the vascular tissue of the plant.
T. J. Flowers, A. R. Yeo
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1996
Abstract Flow of photo assimilates into various compartments or biochemical pathways within source and sink regions. In source organs, carbon is allocated to various uses including export. In a sink organ, carbon enters into compartments or is used for synthesis, storage, or energy metabolism.
Donald R Geiger, Aart J E Van Bel
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Abstract Flow of photo assimilates into various compartments or biochemical pathways within source and sink regions. In source organs, carbon is allocated to various uses including export. In a sink organ, carbon enters into compartments or is used for synthesis, storage, or energy metabolism.
Donald R Geiger, Aart J E Van Bel
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Journal of Palaeosciences, 1992
The gymnospermous phloem shows major differences from those of the cryptogams on one hand and the angiosperms on the other. These include both the type of conducting cells as well as the cellular composition. Even more important is the degree and nature of functional inter-relationship between the conducting and parenchyma cells.
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The gymnospermous phloem shows major differences from those of the cryptogams on one hand and the angiosperms on the other. These include both the type of conducting cells as well as the cellular composition. Even more important is the degree and nature of functional inter-relationship between the conducting and parenchyma cells.
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Phloem Loading and Unloading of Sucrose: What a Long, Strange Trip from Source to Sink
Annual Review of Plant Biology, 2022David M Braun
exaly
1975
Localized application of chemicals which inhibit metabolism, anoxia and low temperature have been used as tools in basic research to assess the role of energy metabolism in the various stages of the translocation process. The results of these studies are reviewed in this chapter.
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Localized application of chemicals which inhibit metabolism, anoxia and low temperature have been used as tools in basic research to assess the role of energy metabolism in the various stages of the translocation process. The results of these studies are reviewed in this chapter.
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