Cited by 234Algal biology and biofuel productionLipid metabolism and biosynthesisMicrobial Metabolic Engineering and Bioproduction

Examination of Triacylglycerol Biosynthetic Pathways via De Novo Transcriptomic and Proteomic Analyses in an Unsequenced Microalga

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Guarnieri, Michael T., Nag, Ambarish, Smolinski, Sharon L., Darzins, Al, Seibert, Michael, Pienkos, Philip T.·2011·PLoS ONE

Abstract

Biofuels derived from algal lipids represent an opportunity to dramatically impact the global energy demand for transportation fuels. Systems biology analyses of oleaginous algae could greatly accelerate the commercialization of algal-derived biofuels by elucidating the key components involved in lipid productivity and leading to the initiation of hypothesis-driven strain-improvement strategies. However, higher-level systems biology analyses, such as transcriptomics and proteomics, are highly dependent upon available genomic sequence data, and the lack of these data has hindered the pursuit of such analyses for many oleaginous microalgae. In order to examine the triacylglycerol biosynthetic pathway in the unsequenced oleaginous microalga, Chlorella vulgaris, we have established a strategy with which to bypass the necessity for genomic sequence information by using the transcriptome as a guide. Our results indicate an upregulation of both fatty acid and triacylglycerol biosynthetic machinery under oil-accumulating conditions, and demonstrate the utility of a de novo assembled transcriptome as a search model for proteomic analysis of an unsequenced microalga.

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  1. [47]Ratledge C 1988 An overview of microbial lipids. RCaW SG New York Academic Press

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Authors
Guarnieri, M. T., Nag, A., Smolinski, S. L., Darzins, A., Seibert, M., & Pienkos, P. T.
Affiliations
National Laboratory of the Rockies (US)
Corresponding author
Guarnieri, Michael T.
Venue
PLoS ONE
Published
2011-10-17
Volume
6
Issue
10
Pages
e25851
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2028421881
Cited by
234
References
55
Citations by year
2026: 6 · 2025: 11 · 2024: 5 · 2023: 1 · 2022: 11 · 2021: 9 · 2020: 17 · 2019: 24 · 2018: 16 · 2017: 18 · 2016: 34 · 2015: 19 · 2014: 23 · 2013: 23 · 2012: 17
FWCI
8.37
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • U.S. Department of Energy (DE -AC36-08GO28308, No. DE-AC36-08GO28308, 08GO28308, Contract No. DE-AC36-08GO28308, AC36‐08GO28308)
  • University of Nebraska-Lincoln
  • Office of Energy Efficiency and Renewable Energy (Contract No. DE-AC36-08GO28308, DE-AC36-08-GO28308., AC36-08-GO28308, No. DE-AC36-08GO28308)
  • Laboratory Directed Research and Development (DE-AC36-08GO28308)
  • Office of Energy Efficiency
  • National Renewable Energy Laboratory (Contract No. DE-AC36-08GO28308, DE-AC36-08-GO28308, AC36-08GO28308)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
triglyceride synthesis, oleaginous microalgae, Chlorella vulgaris, de novo transcriptome assembly, fatty acid synthesis, lipid accumulation, algal biofuels
MeSH terms
Oils, Triglycerides, Up-Regulation, Gene Expression Profiling, Proteomics, Biosynthetic Pathways, Biofuels, Microalgae

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