Loss of ionic and osmotic regulation in Chara internodal cells in concentrated KCl solutions

Autor:	Keitaro Kiyosawa
Rok vydání:	1993
Předmět:	Chara Chromatography biology Physiology Chemistry fungi Cell Biology Plant Science General Medicine Vacuole biology.organism_classification Osmosis Proton transport Genetics Biophysics Osmotic pressure Absorption (chemistry) Transcellular Ion transporter
Zdroj:	Physiologia Plantarum. 89:499-503
ISSN:	1399-3054 0031-9317
DOI:	10.1111/j.1399-3054.1993.tb05204.x
Popis:	Intact internodal cells of Chara are known to maintain their osmotic pressures at constant levels in artificial pond water at room temperature. Cell fragments with osmotic pressures higher and those cell fragments with osmotic pressures lower than the original, both of which are prepared from intact internodal cells using transcellular osmosis and ligation with threads, can also return their osmotic pressures to the original level within a week in artificial pond water. These regulatory phenomena are realized mainly by extrusion of K + and Cl - in the cytoplasm and/or vacuole or by absorption of K + and Cl - from the external solution
Databáze:	OpenAIRE
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