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The activity of plasmodesmata are linked to physiological and developmental processes within plants. There is a hormone signaling pathway that relays primary cellular signals via the plasmodesmata. There are also patterns of environmental, physiological, and developmental cues that show relation to plasmodesmata function.
A desmotubule is an endomembrane derived structure of the plasmodesmata that connects the endoplasmic reticulum of two adjacent plant cells. [1] [2] The desmotubule is not actually a tubule but a compact, cylindrical segment of the ER that is found within the larger tubule structure of the plasmodesmata pore. [3]
Neighbouring cells are interconnected by microscopic channels known as plasmodesmata that traverse the cell walls. These channels, allow the flow of small molecules such as sugars, amino acids, and ions between cells (from the inner part of one cell to the inner part of the next cell).
In multicellular plants, the structural functions of cell junctions are instead provided for by cell walls. The analogues of communicative cell junctions in plants are called plasmodesmata . Anchoring junctions
Plasmodesmata function can regulate the stability of MP-vNA complexes which are formed for viruses to be transported via the movement protein. Phosphorylation during the tobacco mosaic virus-MP-vRNA transport could be responsible for playing a role in regulating the degree of infectivity of the virus.
Cell walls perform many essential functions. They provide shape to form the tissue and organs of the plant, and play an important role in intercellular communication and plant-microbe interactions. [1] The cell wall is flexible during growth and has small pores called plasmodesmata that allow the exchange of nutrients and hormones between cells ...
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Plasmodesmata connect companion cells to sieve elements and parenchyma cells can connect the sieve tubes to various tissues within the plant. This system between the plasmodesmata, companion cells, and sieve tubes allow for the delivery of necessary metabolites.