Phytoplankton activities in hypersaline, anoxic conditions. II - photosynthetic activity of some sulphide adapted cyanobacterial strains isolated from Solar Lake, Taba, Egypt

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Abstract

Five cyanobacterial strains namely Oscillatoria limnetica, Aphanotheca stagnina, Synechococcus aeruginosus, Spirulina tenissima and Dactylococcopsis salina were isolated from an anaerobic sulphide rich hypersaline Solar Lake, Taba- Egypt. At oxygenic conditions Spirulina was the most tolerant strain to sulphide concentrations, while Aphanotheca and Synechococcus were the most sensitive. Aphanotheca have higher anoxygenic photoassimilation activity under a broad range of sulphide concentrations. The response of the five cyanobacterial strains to sulphide under oxygenic and anoxygenic conditions depends on the organism, time of exposure, presence or absence of DCMU and also on sulphide concentration.

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Shabana, E. F., & Ali, G. H. (1999). Phytoplankton activities in hypersaline, anoxic conditions. II - photosynthetic activity of some sulphide adapted cyanobacterial strains isolated from Solar Lake, Taba, Egypt. In Water Science and Technology (Vol. 40, pp. 127–132). Elsevier Science Ltd. https://doi.org/10.1016/S0273-1223(99)00591-0

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