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Temperature dependence of growth, enzyme secretion and activity of psychrophilic Antarctic bacteria
Applied Microbiology and Biotechnology, 1994Five psychrophilic Antarctic bacteria have been selected for their capacity to secrete exoenzymes into culture medium. These strains are able to grow from 0 to about 25° C. However, production of lipase fromMoraxella, α-amylase fromAlteromonas haloplanctis, β-lactamase fromPsychrobacter immobilis and protease fromBacillus is maximal at temperatures ...
Feller, Georges +5 more
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Toward a molecular understanding of cold activity of enzymes from psychrophiles
Extremophiles, 2000Despite the fact that a much greater proportion of the earth environment is cold rather than hot, much less is known about psychrophilic, cold-adapted microorganisms compared with thermophiles living at high temperatures. In particular, investigation of the molecular basis of cold-active enzymes from psychrophiles has only recently received concerted ...
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Enzymic bases of physiological changes in a mutant of the psychrophile Micrococcus cryophilus
Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis, 1969Abstract The isolation and characterization of a temperature-resistant mutant of an obligate psychrophile is described. This mutant is able to grow at temperatures up to 34°, about 10° higher than the maximum growth temperature of the wild-type psychrophile.
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Screening Psychrophilic Fungi of Cellulose Degradation and Characteristic of Enzyme Production
Journal of Northeast Agricultural University (English Edition), 2016Abstract A fungus (WR-C1) decomposed cellulose was isolated from a hypothermal litter layer using Congo red medium as the preliminary screening culture medium and then using a filter as the secondary screening medium at low temperature. The experiment showed that the weight loss rate of filter paper on the 15th days could reach 30.69%.
Wang Da-qing +5 more
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Molecular Adaptations of Enzymes from Thermophilic and Psychrophilic Organisms
1994Although the average temperature on earth is probably of the order of 15 °C, the environments with extreme temperature in which life can be considered possible are very common on the surface of the planet.
J. L. Arpigny +6 more
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Psychrophilic Enzymes Adaptations and Industrial Relevance
2022Shivika Sharma +3 more
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About the pecularities of psychrophilic enzymes
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2000Ch. Gerday, G. Feller
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