European Journal of Experimental Biology Open Access
ISSN: 2248-9215
Journal h-index: 45
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Abstract
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.
