Results 171 to 180 of about 10,029 (206)
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On the hydrodynamics of plasmodesmata
Journal of Theoretical Biology, 1978Abstract The effects of geometry, type of fluid and properties of the desmotubule membrane on the fluid transport in plasmodesma are discussed from a hydrodynamics viewpoint. It is shown that the “necking” of the ends of plasmodesma has a profound effect on the volume flow rates reducing them by several orders of magnitude.
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Plasmodesmata – membrane tunnels with attitude
Current Opinion in Plant Biology, 2011Plasmodesmata are doors in the rigid cell wall. In multicellular tissues, they allow the passage of molecules needed to create physiological gradients and, by closure, symplastic boundaries, which are necessary for the fundamental processes of plant growth, development and defence.
Andrew J, Maule +2 more
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Plasmodesmata: the battleground against intruders
Trends in Plant Science, 2011Plasmodesmata are intercellular channels that establish a symplastic communication pathway between neighboring cells in plants. Owing to this role, opportunistic microbial pathogens have evolved to exploit plasmodesmata as gateways to spread infection from cell to cell within the plant.
Jung-Youn, Lee, Hua, Lu
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1999
In the past20 years, improved methods of preservation, microscopy, and data analysis have lead to increased understanding of the ultrastructure of the plasmodesmata of flowering plants. Features such as proteinaceous particles, spokes, and cell wall specializations have been described.
M. E. Cook, L. E. Graham
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In the past20 years, improved methods of preservation, microscopy, and data analysis have lead to increased understanding of the ultrastructure of the plasmodesmata of flowering plants. Features such as proteinaceous particles, spokes, and cell wall specializations have been described.
M. E. Cook, L. E. Graham
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Plasmodesmata: Channels for Viruses on the Move
2014The symplastic communication network established by plasmodesmata (PD) and connected phloem provides an essential pathway for spatiotemporal intercellular signaling in plant development but is also exploited by viruses for moving their genomes between cells in order to infect plants systemically.
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On the nature of plasmodesmata
Protoplasma, 19401. Plasmodesmata are generally present in the walls of living cells of higher Cryptogams and Phanerogams. 2. Plasmodesmata are of true protoplasmic nature and form connections between the protoplasts of neighbouring cells, thus establishing a correlated entity of interconnecting protoplasts instead of a community of separate cells.
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Plasmodesmata: composition, structure and trafficking
Plant Molecular Biology, 1994Plasmodesmata are highly specialized gatable trans-wall channels that interconnect contiguous cells and function in direct cytoplasm-to-cytoplasm intercellular transport. Computer-enhanced digital imaging analysis of electron micrographs of plasmodesmata has provided new information on plasmodesmatal fine structure.
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1976
Plasmodesmata are narrow strands of cytoplasm that connect neighbouring plant cells, penetrating through the intervening cell walls (Fig. 1.1.). The plant physiologist sees them as structures which elevate a plant from a mere collection of individual cells to an interconnected commune of living protoplasts. Cells and tissues that are remote from direct
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Plasmodesmata are narrow strands of cytoplasm that connect neighbouring plant cells, penetrating through the intervening cell walls (Fig. 1.1.). The plant physiologist sees them as structures which elevate a plant from a mere collection of individual cells to an interconnected commune of living protoplasts. Cells and tissues that are remote from direct
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1976
It is remarkable that many viruses are able to move so freely through their host plants, despite the fact that virus particles or infective virus nucleic acids are so very much larger than the molecules, such as sugars and amino acids, for which plant translocation systems were presumably ‘designed’. But they do move, and surprisingly quickly.
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It is remarkable that many viruses are able to move so freely through their host plants, despite the fact that virus particles or infective virus nucleic acids are so very much larger than the molecules, such as sugars and amino acids, for which plant translocation systems were presumably ‘designed’. But they do move, and surprisingly quickly.
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Annual Review of Plant Physiology and Plant Molecular Biology, 1990
A. W. Robards, W. J. Lucas
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A. W. Robards, W. J. Lucas
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