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Biotechnol Lett


Title:Low temperature and Daphnia-associated infochemicals promote colony formation of Scenedesmus obliquus and its harvesting
Author(s):Zhu X; Yang J; Zhang X; Zhang L; Wang X; Huang Y; Yang Z;
Address:"Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological SciencesNanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China. Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological SciencesNanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China. huangyuan@njnu.edu.cn"
Journal Title:Biotechnol Lett
Year:2017
Volume:20160921
Issue:1
Page Number:85 - 90
DOI: 10.1007/s10529-016-2223-z
ISSN/ISBN:1573-6776 (Electronic) 0141-5492 (Linking)
Abstract:"OBJECTIVE: To explore the combined effects of temperature and Daphnia-associated infochemicals on colony formation of Scenedesmus obliquus to faciliate harvesting the algal biomass. RESULTS: A three-parameter modified Gaussian model fitted the changes of the number of cells per particle in S. obliquus induced by Daphnia culture filtrate well under any temperature. Decreases in temperature enhanced the induced-colony formation of Scenedesmus. The maximum colony size at 15-25 degrees C was significantly larger than those at 30-35 degrees C. An additional 1 or 2 days at low temperature was needed to reach the maximum colony size, which indicates the best harvest time for algal biomass. CONCLUSION: Induced-colony formation of Scenedesmus by Daphnia culture filtrate at 15-25 degrees C is recommended to settle algal cells. This condition facilitates harvesting the biomass"
Keywords:Animals Biomass Cold Temperature Daphnia/*metabolism Scenedesmus/metabolism Temperature Colony formation Infochemicals Microalgal harvest Scenedesmus obliquus;
Notes:"MedlineZhu, Xuexia Yang, Jingwen Zhang, Xingxing Zhang, Lu Wang, Xiaojun Huang, Yuan Yang, Zhou eng Netherlands 2016/09/23 Biotechnol Lett. 2017 Jan; 39(1):85-90. doi: 10.1007/s10529-016-2223-z. Epub 2016 Sep 21"

 
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