不同氮浓度对紫球藻生长及藻胆蛋白和叶绿素a含量变化的影响

Effect of different NaNO_3 concentration on Porphyridium growth and the content changes of phycobiliproteins and chlorophyll a

通过研究不同NaNO3浓度下紫球藻细胞密度、生长速率及生长末期细胞内藻胆蛋白和叶绿素a含量的变化,系统探讨不同NaNO3浓度下对紫球藻生长代谢的影响。实验表明,NaNO3添加量为0、0.1g/L时,紫球藻生长稳定期缩短,NaNO3添加量为0.4g/L-1.2g/L时,紫球藻生长速率差别很小且稳定期延长;紫球藻在不同浓度下生长稳定期含叶绿素a、藻胆蛋白的含量与藻体生长状况呈明显的正相关规律,即藻体稳细胞密度越大,累积产物总含量越高。

This paper studies on the change of density,growth rate phycobiliproteins and chlorophyll-a content of porphyridium cruentum cells under different concentration of NaNO3.The effect on the growth of porphyridium cruentum under metabolism at different levels of NaNO3was also reported in this paper.Growth of porphyridium cruentum in different concentrations at stationary phase containing contents of chlorophyll a and phycobiliproteins and algae growth showed a clear positive correlation rules,namely,large algae body stable cell densities,higher the cumulative content of the product.