Results 111 to 120 of about 14,562 (159)
Auxin transport positions stem cells in the vascular cambium during normal development and regeneration. [PDF]
Proc Natl Acad Sci U S AZhang X +7 more
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The Multifaceted Functions of Plant Asparagine Synthetase: Regulatory Mechanisms and Functional Diversity in Growth and Defense. [PDF]
Plants (Basel)Qiao G +5 more
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Phloem Transport: Cellular Pathways and Molecular Trafficking
Annual Review of Plant Biology, 2009The phloem transports nutrients, defensive compounds, and informational signals throughout vascular plants. Sampling the complex components of mobile phloem sap is difficult because of the damage incurred when the pressurized sieve tubes are breached.
Robert Turgeon, Shmuel Wolf
exaly +3 more sources
Phloem transport of sulfur in Ricinus
Planta, 1982Mature leaves of Ricinus communis fed with (35)SO 4 (2-) in the light export labeled sulfate and reduced sulfur compounds by phloem transport. Only 1-2% of the absorbed radiosulfur is exported to the stem within 2-3 h, roughly 12% of (35)S recovered was in reduced form.
U, Bonas +3 more
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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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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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1976
A multicellular plant with specialised organs can only function effectively if it has an organised transport system. The over-all nutrition and growth of a plant may depend as much on the efficient transfer of nutrients between its component parts as it does on their total synthesis or uptake.
C. Marshall, G. R. Sagar
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A multicellular plant with specialised organs can only function effectively if it has an organised transport system. The over-all nutrition and growth of a plant may depend as much on the efficient transfer of nutrients between its component parts as it does on their total synthesis or uptake.
C. Marshall, G. R. Sagar
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Universality of phloem transport in seed plants
Plant, Cell & Environment, 2012ABSTRACTSince Münch in the 1920s proposed that sugar transport in the phloem vascular system is driven by osmotic pressure gradients, his hypothesis has been strongly supported by evidence from herbaceous angiosperms. Experimental constraints made it difficult to test this proposal in large trees, where the distance between source and sink might prove ...
Jensen, Kåre Hartvig +3 more
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Intracellular Transport Apparatus of Phloem Fibers
Science, 1964Rotational streaming of cytoplasm occurs in the form of longicellular currents in immature and relatively mature fibers of bean stems. Plastids carried by these currents move continuously on their rotational course from one end of the cell to the other in relatively straight lines.
J W, Mitchell, J F, Worley
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