Changes of Respiration Activities in Cells of Winter Wheat and Sugar Cane Suspension Cultures During Programmed Cell Death Process

Lyubushkina, I.V.; Fedyaeva, A.V.; Stepanov, A.V.; Pobezhimova, T.P.

Journal of Stress Physiology & Biochemistry, Vol. 11 No. 3 2015, pp. 71-81 ISSN 1997-0838
Original Text Copyright (cc) 2015 by Lyubushkina, Fedyaeva, Stepanov and Pobezhimova

ORIGINAL ARTICLE

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Changes of Respiration Activities in Cells of Winter Wheat and Sugar Cane Suspension Cultures During Programmed Cell Death Process

I.V. Lyubushkina^1,2*, A.V. Fedyaeva¹, A.V. Stepanov¹, T.P. Pobezhimova¹

¹Siberian Institute of Plant Physiology and Biochemistry SB RAS, Irkutsk, Russia
²Irkutsk State University, Irkutsk, Russia

*E-Mail: estel_86@mail.ru

Received August 21, 2015

Process of cell death in suspension cultures of winter wheat and sugar cane under high (50 °С) and negative (-8 °С) temperature treatment has been studied. It has been shown, that programmed cell death (PCD) process caused by the negative temperature in the culture of winter wheat was noted for slow rate of realization and it was carried out for 10 days. It has been state that rate of cell respiration was significantly higher than in the control culture. At the same time PCD processes induced by the high temperature in the culture of sugar cane and winter wheat and by the negative temperature in the culture of sugar cane realized for 24-48 h and was accompanied by graduate decrease of respiration activities. We can conclude that the main reason of PCD processes realization differences was a different level of respiration metabolism resistance to high and negative temperatures action.

Key words: Triticum aestivum L., Saccharum officinarum L., suspension culture, high and negative temperatures, programmed cell death, respiration intensity, mitochondria