title: Strategies for Lipid Production Improvement in Microalgae as a Biodiesel Feedstock.
abstract: In response to the energy crisis, global warming, and climate changes, microalgae have received a great deal of attention as a biofuel feedstock. Due to a high lipid content in microalgal cells, microalgae present as a promising alternative source for the production of biodiesel. Environmental and culturing condition variations can alter lipid production as well as chemical compositions of microalgae. Therefore, application of the strategies to activate lipid accumulation opens the door for lipid overproduction in microalgae. Until now, many original studies regarding the approaches for enhanced microalgal lipid production have been reported in an effort to push forward the production of microalgal biodiesel. However, the current literature demonstrates fragmented information available regarding the strategies for lipid production improvement. From the systematic point of view, the review highlights the main approaches for microalgal lipid accumulation induction to expedite the application of microalgal biodiesel as an alternative to fossil diesel for sustainable environment. Of the several strategies discussed, the one that is most commonly applied is the design of nutrient (e.g., nitrogen, phosphorus, and sulfur) starvation or limitation. Other viable approaches such as light intensity, temperature, carbon dioxide, salinity stress, and metal influence can also achieve enhanced microalgal lipid production.
authors.affiliation: Faculty of Technology, University of Vaasa and Vaasa Energy Institute, P.O. Box 700, 65101 Vaasa, Finland; Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources and Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China.
authors.forename: L D
authors.identifier: 0000-0003-0298-9484
authors.initials: LD
authors.lastname: Zhu
authors.affiliation: Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources and Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China.
authors.forename: Z H
authors.initials: ZH
authors.lastname: Li
authors.affiliation: Faculty of Technology, University of Vaasa and Vaasa Energy Institute, P.O. Box 700, 65101 Vaasa, Finland.
authors.forename: E
authors.initials: E
authors.lastname: Hiltunen
mesh_terms: D056804:Biofuels / Q000382:microbiology*; D001709:Biotechnology / Q000379:methods*; D008055:Lipids / Q000096:biosynthesis*; D053858:Metabolic Networks and Pathways; D058086:Microalgae / Q000378:metabolism*; D013312:Stress, Physiological
chemical_list: D056804:Biofuels; D008055:Lipids