Jornal Europeu de Biologia Experimental Acesso livre

Abstrato

Combination stress mediated alterations in the photosynthetic electron transport activities of Cyanobacterium; Spirulina platensis

Praveen Kumar. Bhogavalli, Murthy, S. D.S and Prabhakar, Thota

Exposure of intact cells of the Cyanobacterium; Spirulina platensis to low temperature (10°C-25°C) and low intensity white light stress (100 Wm^-2) caused inhibition in various partial photochemical reactions. When the stress is applied in combination there is an additional loss of 6-8% activity in the electron transport measurements. Thus PS II seems to be more susceptible to these combination stresses when compared to PS I .Thus low temperature in combination with low white light intensity exhibited synergistic effect in the electron transport activity of Spirulina platensis.