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Paper Information

Journal:   IRANIAN JOURNAL OF BIOLOGY   SUMMER 2007 , Volume 20 , Number 2; Page(s) 153 To 163.
 
Paper: 

EFFECT OF SULFATE DEFICIENCY ON CELL DIVISION, BETA-CAROTENE, CHLOROPHYLL ACCUMULATION, AND PHOTOSYNTHESIS IN GREEN ALGA DUNALLIELLA SALINA (ISOLATED FROM SALT MARSH OF GAVKHONI, ISFAHAN )

 
 
Author(s):  AGHAEI P., SHARIATI M.
 
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Abstract: 

There is not enough information about the effects of various environmental factors, on cell division and pigments synthesis in Iranian strain of Dunaliella salina (isolated from salt marsh of Gavkhoni, Isfahan). Therefore, more studies must be carried out. In this study, influence of different concentrations of sulfate on cell division, content of pigments and photosynthesis were investigated. The algal cells were cultured in four concentrations (0, 0.25, 0.75 and 5 mM) of MgSO4. Trend of cell growth, content of pigments and rate of photosynthesis were measured in four replicates during 30 days of experiment. The results showed that sulfate deficiency led to decrease in cell division and content of chlorophyll but increased beta-carotene cell content. Also sulfate deficiency decreased the photosynthesis.

 
Keyword(s): DUNALIELLA SALINA, SULFATE DEFICIENCY, CHLOROPHYLL, PHOTOSYNTHESIS
 
References: 
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