Ultra-Thermostable Cellulases From Acidothermus cellulolyticus : Comparison of Temperature Optima with Previously Reported Cellulases

The recent discovery of Acidothermus cellulolyticus genus novum, species novum , ATCC 43068, a moderately thermophilic, aerobic, cellulolytic bacterium in wood samples recovered from the acidic hot springs of northern Yellowstone National Park, Wyoming, affirms the notion that hitherto unknown micro...

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Bibliographic Details
Published in:Bio/Technology 1989-08, Vol.7 (8), p.817-820
Main Authors: Tucker, Melvin P, Mohagheghi, Ali, Grohmann, Karel, Himmel, Michael E
Format: Article
Language:English
Subjects:
Agriculture
Bioinformatics
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biomedical and Life Sciences
Biomedical Engineering/Biotechnology
Biomedicine
Biotechnology
Fundamental and applied biological sciences. Psychology
Life Sciences
Mission oriented research
Physiology and metabolism
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Summary:The recent discovery of Acidothermus cellulolyticus genus novum, species novum , ATCC 43068, a moderately thermophilic, aerobic, cellulolytic bacterium in wood samples recovered from the acidic hot springs of northern Yellowstone National Park, Wyoming, affirms the notion that hitherto unknown microflora exist in nature in areas of extreme environment. We recently found that the filter paper degrading enzymes (cellulases) produced by this new bacterium possess the highest temperature tolerance reported to date. The significance of this finding lies in the moderate temperature, by comparison, for optimal cell growth required by the Acidothermus microorganism and in the potential for industrial application of the thermotolerant cellulase enzymes it produces.
ISSN:0733-222X
1087-0156
2331-3684
1546-1696
DOI:10.1038/nbt0889-817