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- Apoplast abstract "Within a plant, the apoplast is the free diffusional space outside the plasma membrane. It is interrupted by the Casparian strip in roots, by air spaces between plant cells and by the plant cuticle.Structurally, the apoplast is formed by the continuum of cell walls of adjacent cells as well as the extracellular spaces, forming a tissue level compartment comparable to the symplast. The apoplastic route facilitates the transport of water and solutes across a tissue or organ. This process is known as apoplastic transport.The apoplast is important for all the plant's interaction with its environment. The main carbon source (carbon dioxide) needs to be solubilized in the apoplast before it diffuses through the plasma membrane into the cell's cytoplasm (symplast) and is used by the chloroplasts during photosynthesis. In the roots, ions diffuse into the apoplast of the epidermis before diffusing into the symplast, or in some cases being taken up by specific ion channels, and being pulled by the plant's transpiration stream, which also occurs completely within the boundaries of the apoplast. Similarly, all gaseous molecules emitted and received by plants such as plant hormones and other pheromones must pass the apoplast. In nitrate poor soils, acidification of the apoplast increases cell wall extensibility and root growth rate. This is believed to be caused by a decrease in nitrate uptake (due to deficit in the soil medium) and supplanted with an increase in chloride uptake. H+ATPase increases the efflux of H+, thus acidifying the apoplast. The apoplast is also a site for cell-to-cell communication. During local oxidative stress, hydrogen peroxide and superoxide anions can diffuse through the apoplast and transport a warning signal to neighbouring cells. In addition, a local alkalinization of the apoplast due to such a stress can travel within minutes to the rest of the plant body via the xylem and trigger systemic acquired resistance.".
- Apoplast thumbnail Apoplast_and_symplast_pathways.svg?width=300.
- Apoplast wikiPageID "1131022".
- Apoplast wikiPageLength "5143".
- Apoplast wikiPageOutDegree "32".
- Apoplast wikiPageRevisionID "706876799".
- Apoplast wikiPageWikiLink Carbon_dioxide.
- Apoplast wikiPageWikiLink Casparian_strip.
- Apoplast wikiPageWikiLink Category:Plant_anatomy.
- Apoplast wikiPageWikiLink Category:Plant_physiology.
- Apoplast wikiPageWikiLink Cell_(biology).
- Apoplast wikiPageWikiLink Cell_membrane.
- Apoplast wikiPageWikiLink Cell_wall.
- Apoplast wikiPageWikiLink Chloroplast.
- Apoplast wikiPageWikiLink Cytoplasm.
- Apoplast wikiPageWikiLink Epidermis_(botany).
- Apoplast wikiPageWikiLink Hydrogen_peroxide.
- Apoplast wikiPageWikiLink Ion_channel.
- Apoplast wikiPageWikiLink Oxidative_stress.
- Apoplast wikiPageWikiLink Pheromone.
- Apoplast wikiPageWikiLink Photosynthesis.
- Apoplast wikiPageWikiLink Plant.
- Apoplast wikiPageWikiLink Plant_cuticle.
- Apoplast wikiPageWikiLink Plant_hormone.
- Apoplast wikiPageWikiLink Root.
- Apoplast wikiPageWikiLink Solution.
- Apoplast wikiPageWikiLink Superoxide.
- Apoplast wikiPageWikiLink Symplast.
- Apoplast wikiPageWikiLink Systemic_acquired_resistance.
- Apoplast wikiPageWikiLink Transpiration_stream.
- Apoplast wikiPageWikiLink Vacuolar_pathway.
- Apoplast wikiPageWikiLink Vacuole.
- Apoplast wikiPageWikiLink Water.
- Apoplast wikiPageWikiLink Xylem.
- Apoplast wikiPageWikiLink File:Apoplast_and_symplast_pathways.svg.
- Apoplast wikiPageWikiLinkText "Apoplast pathway".
- Apoplast wikiPageWikiLinkText "Apoplast".
- Apoplast wikiPageWikiLinkText "apoplasm".
- Apoplast wikiPageWikiLinkText "apoplast".
- Apoplast wikiPageWikiLinkText "apoplastic space".
- Apoplast wikiPageUsesTemplate Template:Cite_book.
- Apoplast wikiPageUsesTemplate Template:Refimprove.
- Apoplast subject Category:Plant_anatomy.
- Apoplast subject Category:Plant_physiology.
- Apoplast hypernym Space.
- Apoplast comment "Within a plant, the apoplast is the free diffusional space outside the plasma membrane. It is interrupted by the Casparian strip in roots, by air spaces between plant cells and by the plant cuticle.Structurally, the apoplast is formed by the continuum of cell walls of adjacent cells as well as the extracellular spaces, forming a tissue level compartment comparable to the symplast. The apoplastic route facilitates the transport of water and solutes across a tissue or organ.".
- Apoplast label "Apoplast".
- Apoplast sameAs Q378041.
- Apoplast sameAs الممر_الخلوي_الغشائي.
- Apoplast sameAs Апапласт.
- Apoplast sameAs Apoplast.
- Apoplast sameAs Apoplast.
- Apoplast sameAs Apoplasto.
- Apoplast sameAs پخش_راه_دیواره_یاخته.
- Apoplast sameAs Apoplasme.
- Apoplast sameAs אפופלסט.
- Apoplast sameAs Apoplas.
- Apoplast sameAs Apoplasto.
- Apoplast sameAs Apoplas.
- Apoplast sameAs Apoplast.
- Apoplast sameAs Apoplast.
- Apoplast sameAs Apoplasto.
- Apoplast sameAs m.048yqw.
- Apoplast sameAs Апопласт.
- Apoplast sameAs Q378041.
- Apoplast sameAs 原生質體外路徑.
- Apoplast wasDerivedFrom Apoplast?oldid=706876799.
- Apoplast depiction Apoplast_and_symplast_pathways.svg.
- Apoplast isPrimaryTopicOf Apoplast.