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Effects of Different Phosphorus on the Growth and Alkaline Phospohatase Activity in Phaeocystis Globosa
WANG Yan1, TANG Hai-rong2
1. Department of Environmental Engineering, College of Science & Engineering, Jinan University, Guangzhou 510632, China; 2. Institute of Hydrobiology, Jinan University, Guangzhou 510632, China
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Abstract  

The growth of Phaeocystis Globosa,total phosphorus in water,alkaline phosphatase activity in P.globosa cells were measured under different phosphorus conditions.When phosphorus deficiency and large molecular DOP(Lecithin)used in this experiment,alkaline phosphatase activity in P.globosa cells increased to 19.11U and 18.28U respectively,and both of them peaked at day 9.Results showed alkaline phosphatase played an important role in phosphorus deficiency stress and the utilization of large molecular of DOP.DIP(KH2PO4)and small molecular DOP(Natrium-β-glycerophosphat)can be easily utilized by P.globosa,whereas alkaline phosphatase activity did not changed significantly.

Key wordsPhaeocystis Globosa      Inorganic phosphorus      Organic phosphorus      Alkaline phosphatase     
Received: 25 February 2006     
:  X173  
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WANG Yan
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Cite this article:   
WANG Yan,TANG Hai-rong. Effects of Different Phosphorus on the Growth and Alkaline Phospohatase Activity in Phaeocystis Globosa[J]. , 2006, 25(1): 38-40.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2006/V25/I1/38
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