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  • Title: Thermotolerance and the heat-shock response in Candida albicans.
    Author: Zeuthen ML, Howard DH.
    Journal: J Gen Microbiol; 1989 Sep; 135(9):2509-18. PubMed ID: 2697750.
    Abstract:
    At elevated temperatures, yeast cells of Candida albicans synthesized nine heat-shock proteins (HSPs) with apparent molecular masses of 98, 85, 81, 76, 72, 54, 34, 26 and 18 kDa. The optimum temperature for the heat-shock response was 45 degrees C although HSPs were detected throughout the range 41-46 degrees C. Protein synthesis was not observed in cells kept at 48 degrees C. Yeast cells survived exposure to an otherwise lethal temperature of 55 degrees C when they had previously been exposed to 45 degrees C. The thermotolerance induced during incubation at 45 degrees C required protein synthesis, since protection was markedly reduced by trichodermin. Mercury ions induced a set of three stress proteins, one of which corresponded in size to an HSP, and cadmium ions evoked one stress protein seemingly unrelated to the HSPs observed after temperature shift.
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