The effect of high temperature and salt on the metabolic heat rate of Chlorella cells

The metabolic heat rate of plants is an integral indicator of the state of the organism. The metabolic heat rate reflects changes in all the anabolic and catabolic processes in plant cells between optimal and extreme conditions. The present studies determined the effects of extreme temperatures (45°...

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Bibliographic Details
Published inThermochimica acta Vol. 309; no. 1; pp. 129 - 131
Main Authors Loseva, N.L., Alyabyev, A.Ju, Rachimova, G.G., Estrina, R.I.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 26.01.1998
Subjects
Adaptation
Chlorella
Heat rate
Stress
Chlorella
Heat rate
Stress
Adaptation
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Summary:The metabolic heat rate of plants is an integral indicator of the state of the organism. The metabolic heat rate reflects changes in all the anabolic and catabolic processes in plant cells between optimal and extreme conditions. The present studies determined the effects of extreme temperatures (45°C) and high NaCl concentrations (450 mM) on the rate of heat evolution by Chlorella cells. At first, the rate of heat production increases as compared with the control; thereafter it decreases to a steady-state value which is lower than that of the the control. The decrease in metabolic rate may be connected with changes in metabolic processes associated with adaptation of the organism to stress condition.
ISSN:0040-6031
1872-762X
DOI:10.1016/S0040-6031(97)00351-1