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Title: Advances in metabolic modeling of oleaginous microalgae

Journal Article · · Biotechnology for Biofuels
 [1];  [2];  [3];  [2]
  1. Univ. Nacional de Colombia (Colombia); University of California, San Diego
  2. Univ. of California, San Diego, La Jolla, CA (United States)
  3. Univ. Nacional de Colombia (Colombia)

Production of biofuels and bioenergy precursors by phototrophic microorganisms, such as microalgae and cyanobacteria, is a promising alternative to conventional fuels obtained from non-renewable resources. Several species of microalgae have been investigated as potential candidates for the production of biofuels, for the most part due to their exceptional metabolic capability to accumulate large quantities of lipids. Constraint-based modeling, a systems biology approach that accurately predicts the metabolic phenotype of phototrophs, has been deployed to identify suitable culture conditions as well as to explore genetic enhancement strategies for bioproduction. Core metabolic models were employed to gain insight into the central carbon metabolism in photosynthetic microorganisms. More recently, comprehensive genome-scale models, including organelle-specifc information at high resolution, have been developed to gain new insight into the metabolism of phototrophic cell factories. As a result, we review the current state of the art of constraint-based modeling and computational method development and discuss how advanced models led to increased prediction accuracy and thus improved lipid production in microalgae.

Research Organization:
Johns Hopkins Univ., Baltimore, MD (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
SC0012658
OSTI ID:
1485595
Journal Information:
Biotechnology for Biofuels, Journal Name: Biotechnology for Biofuels Journal Issue: 1 Vol. 11; ISSN 1754-6834
Publisher:
BioMed CentralCopyright Statement
Country of Publication:
United States
Language:
English

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Genome-Scale Model Reveals Metabolic Basis of Biomass Partitioning in a Model Diatom journal May 2016
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Dynamic photosynthetic response of the microalga Scenedesmus obtusiusculus to light intensity perturbations journal September 2014
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Reconstruction of the microalga Nannochloropsis salina genome-scale metabolic model with applications to lipid production journal July 2017
Flux Balance Analysis of Cyanobacterial Metabolism: The Metabolic Network of Synechocystis sp. PCC 6803 journal June 2013
Erroneous energy-generating cycles in published genome scale metabolic networks: Identification and removal journal April 2017
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Genome-Scale Model Reveals Metabolic Basis of Biomass Partitioning in a Model Diatom journal May 2016
Metabolic flux analysis of heterotrophic growth in Chlamydomonas reinhardtii journal May 2017
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Metabolomics- and Proteomics-Assisted Genome Annotation and Analysis of the Draft Metabolic Network of Chlamydomonas reinhardtii journal May 2008
Microalgal Metabolic Network Model Refinement through High-Throughput Functional Metabolic Profiling journal December 2014
Clostridium butyricum maximizes growth while minimizing enzyme usage and ATP production: metabolic flux distribution of a strain cultured in glycerol collection January 2017
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Growth Aspects and Biochemical Composition of Synechococcus sp. MK568070 Cultured in Oil Refinery Wastewater journal May 2019
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