Short-term osmotic responses of cells and tissues of the sea anemone,Condylactis gigantea |
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| Affiliation: | 1. Single-Cell Center, CAS Key Laboratory of Biofuels and Shandong Key Laboratory of Energy Genetics, Qingdao Institute of BioEnergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong, China;2. Department of Plant Biochemistry, Ruhr University Bochum, Bochum, Germany;3. Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, China;4. University of Chinese Academy of Science, Beijing, China;5. School of Biomedical and Healthcare Sciences, University of Plymouth, UK;1. Department of Natural Sciences, School of Science and Technology, Middlesex University, The Burroughs, London NW4 4BT, United Kingdom;2. College of Physical Sciences – Chemistry, Trace Element Speciation Laboratory (TESLA), University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, United Kingdom |
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| Abstract: | - 1.1. Cells of tentacles and body wall of the sea anemone Condylactis gigantea behaved as simple osmometers during 5hr exposure to 50, 67, 83, 100 and 125% sea-water.
- 2.2. All intracellular water appeared to be osmotically active.
- 3.3. Cell sodium, chloride and total osmolyte content remained invariable, with taurine decreasing and potassium increasing as sea-water concentration was reduced.
- 4.4. Tissues, as a whole, exhibited a pseudoregulatory response to changes in salinity as the large and osmotically inert extracellular space buffered volume changes to a considerable extent.
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