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Bioavailability of dissolved organic phosphorus compounds to typical harmful dinoflagellate Prorocentrum donghaiense Lu |
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| Authors: | Huang Bangqin Ou Linjian Hong Huasheng Luo Haiwei Wang Dazhi |
| Institution: | Key Laboratory of Marine Environmental Science, Xiamen University, Ministry of Education, Environmental Science Research Center, Xiamen University, Xiamen, Fujian 361005, PR China |
| Abstract: | The bioavailability of dissolved organic phosphorus (DOP) compounds to harmful alga Prorocentrum donghaiense Lu and its alkaline phosphatase activity (APA) were studied. Results showed that P. donghaiense could utilize the test DOP compounds such as glucose-6-phosphate (G-6-P), adenosine triphosphate (ATP) and ribonucleic acid (RNA) to sustain its growth. Nutrition between the test DOP compounds and orthophosphate was comparable. P. donghaiense could utilize intracellular phosphorus to sustain growth under depletion of dissolved phosphorus. Variation of APA in different test DOP compounds was addressed; the controlling mechanism of APA in different DOP media was discussed. |
| Keywords: | Prorocentrum donghaiense Lu Bioavailability Dissolved organic phosphorus Alkaline phosphatase activity Intracellular phosphorus |
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