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学科主题: 物理化学
题名: Cultivation of a Marine Green Microalga for Starch Accumulation
作者: Yao ZH(姚长洪) ;  Chen ZA(陈兆安) ;  Zheng Y(郑阳) ;  Xue S(薛松)
会议名称: 9th International Marine Biotechnology Conference
会议日期: 2010-10-8
出版日期: 2010-10-08
会议地点: 中国
其他题名: 培养一种海洋绿藻积累淀粉
通讯作者: 薛松
部门归属: 十八室
主办者: 中国科学院、国家自然科学基金委员会以及青岛市人民政府支持下,由中国科学院海洋研究所主办
摘要: Starch constitutes a major carbon sink for CO2 fixation during the process of photosynthesis of microalgae. Some microalgae, primarily green algae, have been proved to accumulate large amount of intracellular starch under stress conditions. It is strikingly valuable and important for production of algal-derived starch in large scale to meet the demand for renewable and clean energy (bioethanol, bio-hydrogen, etc.). A marine green microalga Tetraselmis subcordiformis was investigated its growth as well as intracellular starch accumulation in a 10L flat airlift photobioreactor (420×80×500 mm) with inside channel under continuous illumination (120~250 μ mol E • m-2 • s-1) at 30℃. 3% CO2- rich air was compressed into the photobioreactor to reach the aeration of 0.125 VVM. The results showed that under nitrogen limiting condition (1.18 mmol/L initial NO3-), T. subcordiformis was able to accumulate starch from initially 20% (dry weight based) to more than 50% within five days. The decline of chlorophyll florescence dynamics parameters might be attributed to the starch accumulation under the photosynthetic stressed condition.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114206
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Yao ZH,Chen ZA,Zheng Y,et al. Cultivation of a Marine Green Microalga for Starch Accumulation[C]. 见:9th International Marine Biotechnology Conference. 中国. 2010-10-8.
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