Accumulation of trehalose in the thermophilic fungus Chaetomium thermophilum var. coprophilum in response to heat or salt stress |
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| Authors: | Helene Friborg Jepsen Bo Jensen |
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| Institution: | Department of General Microbiology, University of Copenhagen, Sølvgade 83H, DK-1307 Copenhagen K, Denmark |
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| Abstract: | The disaccharide trehalose, known to be an effective protectant against various kinds of stress, was observed to accumulate in the cytosol of Chaetomium thermophilum var. coprophilum during heat stress. Trehalose was apparently neither involved in the defence of C. thermophilum var. coprophilum against high concentrations of sodium chloride nor directly linked to thermophily.In C. thermophilum var. coprophilum three different trehalose hydrolyzing activities were eluted from a mono Q anion exchange column by sodium chloride concentrations of 0.10, 0.15 and 0.24 M, respectively. |
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| Keywords: | Trehalose Trehalase Salt stress Temperature stress Trehalose hydrolysis Stress response Thermophilic fungi Chaetomium thermophilum var coprophilum |
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