Effects of mannitol hypertonicity on water and ion contents in the alga Hydrodictyon reticulatum.
Long-term effects of mannitol hypertonicity on the water and ion contents in the fresh-water alga Hydrodictyon reticulatum were studied. The cells did not behave as osmometers and a closer examination suggested that wall elasticity was related to the medium tonicity and that the rate of sodium extrusion from the cells depended on the wall (turgor) pressure.
Institute of Microbiology, Laboratory of Membrane Transport, Academy of Sciences of the Czech Republic, Prague.
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Janácek
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Nespúrková
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Rybová
D002473:Cell Wall / Q000502:physiology; D002712:Chlorides / Q000378:metabolism*; D000460:Chlorophyta / Q000187:drug effects / Q000502:physiology*; D004548:Elasticity; D006982:Hypertonic Solutions; D008353:Mannitol / Q000494:pharmacology*; D011188:Potassium / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*; D014867:Water / Q000378:metabolism
D002712:Chlorides; D006982:Hypertonic Solutions; D014867:Water; D008353:Mannitol; D012964:Sodium; D011188:Potassium