THE DYNAMIC NATURE OF THERMOPHILY

Author:

Allen Mary Belle1

Affiliation:

1. From Hopkins Marine Station, Pacific Grove, California, awl the Department of Chemistry, Laboratories of The Mount Sinai Hospital, New York

Abstract

1. Evidence for a close relation between thermophilic and mesophilic bacteria is discussed. 2. It is shown that in the absence of nutrients thermophilic bacteria at 55°C. die as rapidly as mesophilic bacteria, and that enzyme systems of the thermophils are rapidly inactivated at this temperature. 3. It is concluded that the thermophils can live at high temperatures because they can synthesize enzymes and other cellular constituents faster than these are destroyed by heat. 4. In order to account for this great synthetic capacity at high temperatures, and for the high minimum temperatures observed for many thermophils, it is postulated that these organisms have a higher temperature coefficient of enzyme synthesis than mesophils.

Publisher

Rockefeller University Press

Subject

Physiology

Cited by 55 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. THERMOPHILIC AMINOPEPTIDASES FROM BACILLUS STEAROTHERMOPHILUS. I. ISOLATION, SPECIFICITY, AND GENERAL PROPERTIES OF THE THERMOSTABLE AMINOPEPTIDASE I *;International Journal of Protein Research;2009-01-09

2. Kinetics of anaerobic treatment: A critical review;Critical Reviews in Environmental Control;1991-01

3. Heat Resistance;Chilling, Freezing, and High Temperature Stresses;1980

4. Die phänotypische Temperaturadaptation der Proteinsynthese beim Weizen (Triticum aestivum L.) — Fakten und Hypothesen;Berichte der Deutschen Botanischen Gesellschaft;1979-10

5. Physiology of Thermophilic Bacteria;Advances in Microbial Physiology;1979

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