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Enhancement of lipid production using biochemical, genetic and transcription factor engineering approaches

Paper ID Volume ID Publish Year Pages File Format Full-Text
24147 43501 2009 11 PDF Available
Title
Enhancement of lipid production using biochemical, genetic and transcription factor engineering approaches
Abstract

This paper compares three possible strategies for enhanced lipid overproduction in microalgae: the biochemical engineering (BE) approaches, the genetic engineering (GE) approaches, and the transcription factor engineering (TFE) approaches. The BE strategy relies on creating a physiological stress such as nutrient-starvation or high salinity to channel metabolic fluxes to lipid accumulation. The GE strategy exploits our understanding to the lipid metabolic pathway, especially the rate-limiting enzymes, to create a channelling of metabolites to lipid biosynthesis by overexpressing one or more key enzymes in recombinant microalgal strains. The TFE strategy is an emerging technology aiming at enhancing the production of a particular metabolite by means of overexpressing TFs regulating the metabolic pathways involved in the accumulation of target metabolites. Currently, BE approaches are the most established in microalgal lipid production. The TFE is a very promising strategy because it may avoid the inhibitive effects of the BE approaches and the limitation of “secondary bottlenecks” as commonly observed in the GE approaches. However, it is still a novel concept to be investigated systematically.

Keywords
Biodiesel; Biofuel; Microalgae; Lipid; Metabolic engineering; Transcription factor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 141, Issues 1–2, 20 April 2009, Pages 31–41
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us