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  Re-Distributed by http://www.tpub.com
National Renewable Energy Laboratory
Table of Contents
I.
INTRODUCTION............................................................................................................................................. 1
II.
LABORATORY STUDIES .............................................................................................................................. 5
II.A. COLLECTION, SCREENING, AND CHARACTERIZATION OF MICROALGAE ........................................................ 5
II.A.1.
Collection, Screening, and Characterization of Microalgae by SERI In-House Researchers ........... 5
II.A.1.a.
Introduction ................................................................................................................................................... 5
Brief review of algal taxonomic groups and characteristics: ......................................................................................... 5
Collection and Screening of Microalgae: Programmatic Rationale............................................................................... 7
II.A.1.b. Collection and Screening Activities-1983 .......................................................................................................... 8
II.A.1.c. Collection and Screening Activities-1984........................................................................................................... 9
Development of artificial saline media. ......................................................................................................................... 9
Collection activities..................................................................................................................................................... 10
I.A.1.d. Collection and Screening Activities-1985.......................................................................................................... 17
Collection activities..................................................................................................................................................... 17
Growth rates. ............................................................................................................................................................... 17
Lipid content. .............................................................................................................................................................. 18
II.A.1.e. Collection and Screening Activities-1986 and 1987 ......................................................................................... 19
Strain characterization. ................................................................................................................................................ 19
Cold water strain collection efforts. ............................................................................................................................ 20
II.A.1.f. Development of a Rapid Screening Procedure for Growth and Lipid Content of Microalgae .......................... 21
Development of a rapid screen for lipid content.......................................................................................................... 22
Screening for growth in high-conductivity media. ...................................................................................................... 23
II.A.1.g. Statistical Analysis of Multivariate Effects on Microalgal Growth and Lipid Content..................................... 27
II.A.1.h. Detailed Analyses of Microalgal Lipids............................................................................................................ 28
II.A.2.
Collection, Screening, and Characterization of Microalgae: Research by SERI Subcontractors ... 32
II.A.2.a. Introduction....................................................................................................................................................... 32
II.A.2.b. Yields, Photosynthetic Efficiencies, and Proximate Chemical Composition of Dense Cultures of Marine
Microalgae 33
II.A.2.c.
Selection of High-Yielding Microalgae from Desert Saline Environments .................................................. 36
II.A.2.d. Screening and Characterizing Oleaginous Microalgal Species from the Southeastern United States ........... 40
I.A.2.e.
Collection of High-Energy Strains of Saline Microalgae from Southwestern States .................................... 42
II.A.2.f.
Collection of High Energy Yielding Strains of Saline Microalgae from the Hawaiian Islands .................... 45
II.A.2.g.
Characterization of Hydrocarbon-Producing Strains of Microalgae ............................................................. 46
II.A.2.h. Collection of High Energy Yielding Strains of Saline Microalgae from South Florida................................ 49
II.A.2.i.
Collection and Selection of High Energy Thermophilic Strains of Microalgae ............................................ 50
II.A.3.
The SERI Microalgae Culture Collection......................................................................................... 51
II.A.3.a. History of SERI Microalgae Culture Collection ............................................................................................... 51
II.A.3.b. Current Status of the SERI/NREL Microalgae Culture Collection................................................................... 56
II.A.4.
Collection and Screening of Microalgae -Conclusions and Recommendations............................... 67
II.B. MICROALGAL STRAIN IMPROVEMENT......................................................................................................... 69
II.B.1.
Physiology, Biochemistry, and Molecular Biology of Lipid Production: Work by SERI
Subcontractors ................................................................................................................................................... 69
II.B.1.a.
Introduction .................................................................................................................................................. 69
II.B.2.b.
Chrysophycean Lipids: Effects of Induction Strategy in the Quantity and Types of Lipids ......................... 70
II.B.2.c.
Genetic Variation in High Energy Yielding Microalgae............................................................................... 72
II.B.1.d.
Ultrastructure Evaluation of Lipid-Producing Microalgae ........................................................................... 77
II.B.1.e.
Improvement of Microalgal Lipid Production by Flow Cytometry............................................................... 80
A Look Back at the Aquatic Species Program--Technical Review
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