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  • Title: [Alterations of the level of 70 kDa family heat shock protein in the ciliate Tetrahymena pyriformis in the process of the cells adaptation to the medium salinity changes].
    Author: Podlipaeva IuI, Smurov AO, Gudkov AV.
    Journal: Tsitologiia; 2008; 50(7):619-22. PubMed ID: 18771177.
    Abstract:
    Alterations of Hsp70 level were studied in the cells of freshwater ciliate Tetrahymena pyriformis after medium salinity changes. It is shown that ciliates, acclimated to fresh water (0 per thousand) and to salt water of 2 and 10 per thousand have similar constitutive levels of Hsp70 in their cells. Neither pronounced induction of Hsp70, was not decrease of its level, revealed in ciliates after salinity stresses. These data differ from the results obtained while studying euryhaline ciliate Paramecium nephridiatum and strongly freshwater one Paramecium jenningsi. We presume that the differences in the mode of chaperone system reaction of these ciliates species might be connected with different extents of salinity persistence - the least in P. jenningsi, intermediate in T. pyriformis and the most pronounced in P. nephridiatum.
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