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| Adaptability of Aldolase to Salinity and Relationship between the Aldolase and Substance Accumulation in Alga Dunaliella salina |
| GUO Jin-yao,YANG Xiao-ling |
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Abstract Adaptability of aldolase to salinity and relationship between the aldolase and substance accumulation were studied in alga Dunaliella salina .The results showed that the aldolase activity was found to be positive correlation with salinity concentration within the NaCl concentration from 40 g/L to 120 g/L ,but to be negative correlation with NaCl concentration from 120 g/L to 200 g/L .The aldolase showed the maximal activity at NaCl concentration of 120 g/L ,indicating that the aldolase is a kind of enzymes which can adapt well to salinity in Dunaliella salina .The aldolase activity was shown to be positively related to cell density , chlorophyll formation , and accumulation of protein . The maximal substance accumulation was observed at the maximal aldolase activity in Dunaliella salina .
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Received: 25 August 2013
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