研究报告 |
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Polyhydroxybutyrate Synthesis in Recombinant Zymonomas mobilis affected Ethanol Production |
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Abstract Zymonomas mobilis was transformed with a polyhydroxybutyrate synthesis operon phbCAB equipped with a pdc promoter from Z. mobilis. For the first time, PHB was produced in recombinant Z.mobilis. Shake flask studies indicated that accumulation of PHB in Zymomonas mobilis increased approximately 10% ethanol productivity for the first 48 h of anaerobic fermentation. After that, the PHB effect was observed as insignificant probably due to the exhaustion of the sugar.
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Received: 07 April 2006
Published: 25 August 2006
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