Characteristics for the hybrid cell Foaz obtained from the protoplast fusion between yeast and photosynthetic bacteria in soybean processing wastewater |
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作者姓名: | Cheng Shu pei Cui Yibin Dai Lemei |
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作者单位: | The State Key Laboratory of Pollution Control and Resource Reuse;Department of Environmental Science and Engineering;Nanjing University;Nanjing 210093;China,The State Key Laboratory of Pollution Control and Resource Reuse;Department of Environmental Science and Engineering;Nanjing University;Nanjing 210093;China,The Center of Analysis and Measurement;Nanjing University;Nanjing 210093;China |
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基金项目: | the National Natural Science Foundation of China(No. 39570151) & NSF of Jiangsu Province (BK 95020301) |
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摘 要: | The optimal pH and temperature, maximum specific degradation rate, half rate constant and flocculation rate for the hybrid cell Foaz were measured in the reaction for the degradation of soybean processing wastewater(SPW) in this study. The optimal pH and temperature for Foaz in SPW were the same as those of its parental strains Saccharomyces cerevisiae Y9407 and Rhodobacter sphaeroides P9479, but the flocculation rate, the maximum specific degradation rate and the half rate constant for Foaz were higher than those of its parental strains. The results suggest that the characteristics of the inter kingdom fusant Foaz constructed from the protoplast fusion between the eukaryote cell yeast S.cerevisiae and the prokaryote cell photosynthetic bacteriaR. sphaeroides may favor degrading organic pollutant in SPW and removing biomass from the effluent.
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关 键 词: | Saccharomyces cerevisiae Rhodobacter sphaeroides soybean processing wastewater. |
收稿时间: | 1997-10-05 |
修稿时间: | 1997-12-16 |
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