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		题名	作者	年代	出处	被引量
	1	Sucrose Secreted by the Engineered Cyanobacterium and Its Fermentability显示文摘The unicellular cyanobacterium, Synechococcus elongatus PCC 7942(Syn7942), synthesizes sucrose as the only compatible solute under salt stress. A series of engineered Syn7942 strains for sucrose production were constructed. The overexpression of the native sps(encoding a natively fused protein of sucrose phosphate synthase SPS and sucrose phosphate phosphatase SPP) in Syn7942 wild type caused a 93% improvement of sucrose productivity. The strain FL130 co-overexpressing sps and csc B(encoding a sucrose transporter) exhibited a 74% higher extracellular sucrose production than that overexpressing csc B only. Both results showed the significant improvement of sucrose productivity by the double functional protein SPS-SPP. Afterwards, FL130 was cultivated under a modified condition, and the cell-free culture medium containing 1.5 g L-1 sucrose was pre-treated with an acid hydrolysis technique. Cultivated with the neutralized hydrolysates as the starting media, two widely used microorganisms, Escherichia coli and Saccharomyces cerevisiae, showed a comparable growth with that in the control media supplemented with glucose. These results clearly demonstrated that the cell-free culture of sucrose-secreting cyanobacteria can be applied as starting media in microbial cultivation.	DUAN Yangkai LUO Quan LIANG Feiyan LU Xuefeng	2016	Journal of Ocean University of China2016，15，5：	3
	2	Exploring the photosynthetic production capacity of sucrose by cyanobacteria显示文摘	Wei Du Feiyan Liang Yangkai Duan Xiaoming Tan Xuefeng Lu	2013	Metabolic Engineering2013，，：	1

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