نتایج جستجو برای: psychrophile bacteria
تعداد نتایج: 180363 فیلتر نتایج به سال:
Thermotropic properties of blue-green algae grown at high, room, and low temperatures in H(2)O and D(2)O media were studied by highly sensitive differential scanning microcalorimetry. The thermograms of these organisms contain an endothermal peak in the temperature range of 50 to 70 C with an endothermal heat ranging from 0.14 to 1.91 joules per gram organism. The temperature at which the endot...
Phospholipase D, with a molecular mass of 64 kDa, was purified from the psychrophile, Shewanella sp. The enzyme showed maximal activity at pH 7.8 and 40 degrees C in the presence of the Ca2+-ion, and its activity at 10 degrees C was 6.5% of maximum. The enzyme exhibited high activity to the non-micelle form of phosphatidylcholine in an aqueous solution containing water miscible alcohols such as...
MATERIALS AND METHODS UPADHYAY, J. (Washington State University, Pullman) AND J. L. STOKES. Temperature-sensitive hydrogenase and hydrogenase synthesis in a psychrophilic bacterium. J. Bacteriol. 86:992998. 1963.-Hydrogenase and its synthesis were more heat-sensitive in psychrophilic strain 82 than in mesophilic Escherichia coli. The enzyme -as not formed above 20 C by the psychrophile, whereas...
Fuculose-1-phosphate aldolase (FucA) catalyses the reversible cleavage of L-fuculose 1-phosphate to dihydroxyacetone phosphate (DHAP) and L-lactaldehyde. This enzyme from mesophiles and thermophiles has been extensively studied; however, there is no report on this enzyme from a psychrophile. In this study, the gene encoding FucA from Glaciozyma antarctica PI12 (GaFucA) was cloned and the enzyme...
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