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	Selective utilization of different carbon sources by microorganism microorganism
	Zhu Y(朱豫) ; Du YG(杜昱光)
	2008-10-12
会议名称	the 13th international biotechnology symposium
会议日期	2008-10-12
会议地点	中国
页码	s272/2
通讯作者	杜昱光
中文摘要	several kinds of microorganisms used for fermentation are studied to evaluate their efficiency of utilizing different carbon sources—glucose, fructose and xylose, by means of analyzing fermentation kinetics of substrate uptake and product formation. it revealed that most microorganisms showed preference for glucose to fructose as a carbon source, for the possible reason of environmental evolution. recent study shows that by means of genetic engineering or induced mutation screening, certain microorganisms can be improve to uptake fructose or xylose in advance of glucose. it can be explained that they have specific fructose transporter or key enzymes of related metabolic pathway, like the phosphorylation of sugar are overexpressed. therefore, certain biomass with potential abundant fructose, for example jerusalem artichoke, can be used to replace crop and has great value to release the crisis of petrochemical industry and food supplies. also, the potential advantages of jerusalem artichoke as an ideal energy plant for biorefinery are estimated from its composition to market analysis by experiments of screening and breeding with shake bottle. keywords: glucose; fructose; kinetics; biorefinery; jerusalem artichoke
会议主办者	中国科学院 中国工程院 中华人民共和国教育部 中华人民共和国科学技术部 中华人民共和国国家发展改革委员会
学科主题	物理化学
语种	中文
内容类型	会议论文
源URL	[http://159.226.238.44/handle/321008/113226]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
推荐引用方式 GB/T 7714	Zhu Y,Du YG. Selective utilization of different carbon sources by microorganism microorganism[C]. 见:the 13th international biotechnology symposium. 中国. 2008-10-12.

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