Mutual effects of nitric oxide and iron on the growth of marine algae |
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Authors: | LIU Chunying ZHANG Zhengbin and CHEN Xiaorui |
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Institution: | Institute of Marine Chemistry, Ocean University of China, Qingdao 266003, China |
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Abstract: | Experiments on the effects of nitric oxide (NO) and iron on the growth of marine microalgae Skeletonema costatum were conducted. The results are as follows: exogenous NO could increase the growth rate of marine algae and raise the biomass remarkably under iron-deficient conditions. But it was a complicated process that the phytoplankton growth was influenced by NO and iron, which was controlled by the NO concentration, the nutrition level of the culture medium and the iron concentration, etc. Meanwhile, the iron concentration in the medium also has a direct influence on the growth and NO release capacity of the algae. Therefore, the effects of NO and iron on the growth of marine phytoplankton were mutual. |
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Keywords: | nitric oxide (NO) iron marine algae the mutual effects |
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