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Related to thermophilic: Mesophiles, Hyperthermophiles


An organism that thrives at high temperatures.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an organism that lives at temperatures above 45°C, a situation that is lethal to most living things. Thermophiles include certain fish, invertebrates (worms, insects, and mollusks), microorganisms (protozoans, bacteria, actinomycetes, fungi, and algae), pteridophytes, and flowering plants. They inhabit hot springs, where the temperature reaches 70°C, thermal waters, the upper layers of soil intensely heated by the sun, and piles of organic matter (moist hay, grain, peat, or manure) heated as a result of the vital activities of thermogenic bacteria.

Thermophiles, in the broad sense of the word, include inhabitants of the tropics (except for ocean depths and high-mountain regions), saprophytes, and parasites of homeothermic (warmblooded) animals with body temperatures of 35°–40°C. Some thermophiles found at temperate and high latitudes may be considered relicts of warmer eras, when they were widely distributed.


Imshenetskii, A. A. Mikrobiologicheskie protsessy pri vysokikh temperaturakh. Moscow-Leningrad, 1944.
Mishustin, E. N., and V. T. Emtsev. Mikrobiologiia. Moscow, 1970.
Genkel’, P. A. Mikrobiologiia s osnovami virusologii. Moscow, 1974.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Among these isolates gram positive bacteria were dominant over gram negative bacteria and both thermophilic and thermotolerant group of bacteria were identified.
[13.] Ogundero VW Isolation of thermophilic and thermotelorant fungi from stored groundnuts and determination of their lipolytic activity.
Characterization of a recombinant [beta]-glucosidase from the thermophilic bacterium Caldicellulosiruptor saccharolyticus.
A total of 20 thermophilic, gram-positive and spore-forming bacteria Bacillus sp., capable of producing clear zones on starch nutrient agar plates were obtained from soil samples collected from three regions of Saudi Arabia.
For example, with shorter, dense compost it is very important to favor the growth of the thermophilic fungi for a longer time so they can penetrate the tight dense areas of compost.
Optimum growth of Thiobacillus thermosulfatus occurs at pH 5.2 to 5.6 and temperature 50[degrees]C to 53[degrees]C suggesting that the bacterium is acidophilic and moderately thermophilic in nature.
This creates a perfect environment for naturally occurring thermophilic (heat-loving) microbes and helpful bacteria.
Isolation of Thermophilic bacteria: Plate streaking method was used for the isolation of pure bacterial colonies.
Yasasu Green is a small scale containerized product to treat organic waste at source and it is based on high solid thermophilic anaerobic digestion process (DRYCO-ADTM Technology).
(2) Actinobacteria surviving and growing at high temperature are referred to as thermophilic Actinobacteria.