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RNA on the move: The plasmodesmata perspective
Plant Science, 2018It is now widely accepted that plant RNAs can have effects at sites far away from their sites of synthesis. Cellular mRNA transcripts, endogenous small RNAs and defense-related small RNAs all move from cell to cell via plasmodesmata (PD), and may even move long distances in the phloem.
Brandon C. Reagan +4 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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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: 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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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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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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Analysis of the Conductivity of Plasmodesmata by Microinjection
2014Pressure microinjection can be used to introduce fluorescent dyes and labeled macromolecules into single cells. The method allows measuring transport activity of macromolecules such as proteins and RNA molecules within and between cells. Routinely, plant mesophyll cells are injected with fluorescent dextran molecules of specific sizes to measure an ...
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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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