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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Bioprospecting for hyper-lipid producing microalgal strains for sustainable biofuel production
Bioresource Technology, Volume 102, No. 1, Year 2011
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Description
Global petroleum reserves are shrinking at a fast pace, increasing the demand for alternate fuels. Microalgae have the ability to grow rapidly, and synthesize and accumulate large amounts (approximately 20-50% of dry weight) of neutral lipid stored in cytosolic lipid bodies. A successful and economically viable algae based biofuel industry mainly depends on the selection of appropriate algal strains. The main focus of bioprospecting for microalgae is to identify unique high lipid producing microalgae from different habitats. Indigenous species of microalgae with high lipid yields are especially valuable in the biofuel industry. Isolation, purification and identification of natural microalgal assemblages using conventional techniques is generally time consuming. However, the recent use of micromanipulation as a rapid isolating tool allows for a higher screening throughput. The appropriate media and growth conditions are also important for successful microalgal proliferation. Environmental parameters recorded at the sampling site are necessary to optimize in vitro growth. Identification of species generally requires a combination of morphological and genetic characterization. The selected microalgal strains are grown in upscale systems such as raceway ponds or photobireactors for biomass and lipid production. This paper reviews the recent methodologies adopted for site selection, sampling, strain selection and identification, optimization of cultural conditions for superior lipid yield for biofuel production. Energy generation routes of microalgal lipids and biomass are discussed in detail. © 2010 Elsevier Ltd.
Authors & Co-Authors
Mutanda, Taurai
South Africa, Durban
Durban University of Technology
Desikan, Ramesh
South Africa, Durban
Durban University of Technology
Karthikeyan, Subburamu
India, Coimbatore
Tamil Nadu Agricultural University
Kumari, Sheena K.
South Africa, Durban
Durban University of Technology
Anandraj, Akash
South Africa, Umlazi
Mangosuthu University of Technology
Bux, Faizal B.
South Africa, Durban
Durban University of Technology
Statistics
Citations: 436
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.biortech.2010.06.077
ISSN:
09608524
Research Areas
Genetics And Genomics