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学科主题微生物学
Strategies to Control Microbial Lipid Production
Zhao ZB(赵宗保); Wu SG(吴思国); Hu CM(胡翠敏); Shen HW(沈宏伟)
会议文集Book of Abstracts
会议名称Asian Congress on Biotechnology
会议日期2011-5-11
2011
会议地点上海
页码67-0
出版者待补充
出版地待补充
合作性质分会口头报告
部门归属1816
主办者亚洲生物技术联合会
英文摘要Microbial lipid, especially produced by yeasts, consists mainly of triacylglycerides with fatty acid compositional profile similar to those of the commercial vegetable oil. Microbial lipid production is an aerobic biochemical process that generates intracellular lipid using organic substrates, usually carbohydrates and related materials. Because carbohydrates can be supplied by lignocellulosic materials, microbial lipid has recently been considered as alternative source for biodiesel industry. In literature, lipid accumulation was usually controlled by nitrogen starvation. During the past few years, we took a closer look at the mechanisms that control lipid accumulation. We demonstrated that phosphate limitation, sulfate limitation, and the presence of particular organic compounds could also promote lipid accumulation, albeit the culture was nitrogen-rich. Therefore, we were able to use more complex raw materials for lipid production upon selective or combinatory utilization of those control methods. In addition, we were able to develop new culture modes to improve lipid productivity. During the conference, we wish to share these results in this area.; Microbial lipid, especially produced by yeasts, consists mainly of triacylglycerides with fatty acid compositional profile similar to those of the commercial vegetable oil. Microbial lipid production is an aerobic biochemical process that generates intracellular lipid using organic substrates, usually carbohydrates and related materials. Because carbohydrates can be supplied by lignocellulosic materials, microbial lipid has recently been considered as alternative source for biodiesel industry. In literature, lipid accumulation was usually controlled by nitrogen starvation. During the past few years, we took a closer look at the mechanisms that control lipid accumulation. We demonstrated that phosphate limitation, sulfate limitation, and the presence of particular organic compounds could also promote lipid accumulation, albeit the culture was nitrogen-rich. Therefore, we were able to use more complex raw materials for lipid production upon selective or combinatory utilization of those control methods. In addition, we were able to develop new culture modes to improve lipid productivity. During the conference, we wish to share these results in this area.
语种英语
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/116037
专题中国科学院大连化学物理研究所
通讯作者Zhao ZB(赵宗保)
推荐引用方式
GB/T 7714
Zhao ZB,Wu SG,Hu CM,et al. Strategies to Control Microbial Lipid Production[C]. 待补充:待补充,2011:67-0.
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