PMID: 7105656Jan 1, 1982

Adaptative features of ectothermic enzymes--II. The effects of acclimation temperature on the malate dehydrogenase of the spot. Leiostomus xanthurus

Comparative Biochemistry and Physiology. B, Comparative Biochemistry
M L Schwantes, A R Schwantes

Abstract

1. Isozyme patterns and thermostability of the skeletal muscle and heart malate dehydrogenase (s-MDH) from the spot acclimated to different temperatures were examined. 2. No changes in isozyme patterns were seen for MDH in any of the tissues examined in response to 15 degrees and 20 degrees C acclimation. 3. The A-homodimer, which was more thermostable showed an increase in its relative activity, whereas the B-homodimer, which was more heat sensitive, showed a decrease during warm acclimation. However, after different periods of low temperature incubation, these samples showed a decrease in their subunit ratios. 4. Concerning the effect to thermal acclimation on the thermostability of MDH, it was found that skeletal muscle samples of the 30 degrees C-acclimated spot were more stable to heat than the 20 degrees and 15 degrees C-acclimated fishes.

References

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Jan 1, 1982·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·M L Schwantes, A R Schwantes

Citations

Jan 1, 1982·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·Z Coppes de AchavalA L Val
Jan 1, 1986·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·Z L Coppes
Jan 1, 1987·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·Z L CoppesA R Schwantes
Jan 1, 1989·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·A GelmanU Cogan
Jan 1, 1989·Comparative Biochemistry and Physiology. B, Comparative Biochemistry·F Basaglia
Sep 28, 2006·Journal of Biochemistry and Molecular Biology·Li-Min LunYu-Jun Liang
Aug 14, 2003·Brazilian Journal of Biology = Revista Brasleira De Biologia·M R Aquino-SilvaA R Schwantes

Related Concepts

Acclimatization
Drug Stability
SDS-PAGE
Alloenzymes
Malate Dehydrogenase
Muscle
Myocardium

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