Thermal enzymes. VI. Heat stability of pyruvic oxidase |
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| Authors: | MILITZER W BURNS L |
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| Affiliation: | 1. National Engineering Laboratory for High-efficient Enzyme Expression, Fuzhou, Fujian, China;2. The Key Laboratory of Marine Enzyme Engineering of Fujian Province, Fuzhou University, Fuzhou, Fujian, China;3. College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, China;1. Lignocellulose Biotechnology Laboratory, Department of Microbiology, University of Delhi South Campus, Benito Juarez Road, New Delhi 110021, India;2. Microbial Biotechnology and Downstream Processing Lab, Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur, 721302, India;1. State Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology), Tianjin, 300457, PR China;2. College of Bioscience and Agriculture, Zhoukou Normal University, Zhoukou, 466001, PR China;3. Key Laboratory of Industrial Fermentation Microbiology (Tianjin University of Science & Technology), Ministry of Education, Tianjin, 300457, PR China;4. College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, PR China;5. Lonct Enzyme Co., Ltd. West Wencheng Road, North Second Ring, Yishui County, Shandong Province, 276400, PR China;1. School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China;2. Department of Pharmacy, Jiangs u Cancer Hospital, Nanjing 210009, China;1. KU Leuven, Department of Microbial and Molecular Systems, Leuven Food Science and Nutrition Research Centre (LFoRCe), Laboratory of Food Chemistry and Biochemistry, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium;2. KU Leuven, Department of Microbial and Molecular Systems, Leuven Food Science and Nutrition Research Centre (LFoRCe), Laboratory of Food Technology, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium |
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| Abstract: | The pyruvic oxidase system found in a cell particle obtained from Bacillus stearothermophilus is easily inactivated at the growing temperatures of the organism (60–65 °C.) unless magnesium ions, pyruvate, and oxygen are present. Pyruvic oxidase is the only enzyme (or system) thus far found in this organism that is sensitive to destruction by heat in the temperature range of optimum growth. |
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