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Title: Enhanced Genetic Tools for Engineering Multigene Traits into Green Algae

Journal Article · · PLoS ONE

Transgenic microalgae have the potential to impact many diverse biotechnological industries including energy, human and animal nutrition, pharmaceuticals, health and beauty, and specialty chemicals. However, major obstacles to sophisticated genetic and metabolic engineering in algae have been the lack of well-characterized transformation vectors to direct engineered gene products to specific subcellular locations, and the inability to robustly express multiple nuclear-encoded transgenes within a single cell. Here we validate a set of genetic tools that enable protein targeting to distinct subcellular locations, and present two complementary methods for multigene engineering in the eukaryotic green microalga Chlamydomonas reinhardtii. The tools described here will enable advanced metabolic and genetic engineering to promote microalgae biotechnology and product commercialization.

Research Organization:
Univ. of California, San Diego, CA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE); California Energy Commission
Grant/Contract Number:
EE0003373; CILMSF #500-10-039
OSTI ID:
1904797
Journal Information:
PLoS ONE, Vol. 9, Issue 4; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (12)

Improving recombinant protein production in the Chlamydomonas reinhardtii chloroplast using vivid Verde Fluorescent Protein as a reporter journal July 2015
Calredoxin represents a novel type of calcium-dependent sensor-responder connected to redox regulation in the chloroplast journal June 2016
The Chlamydomonas cell cycle journal March 2015
Evaluation of strategies for improving the transgene expression in an oleaginous microalga Scenedesmus acutus journal January 2019
Comparison of secretory signal peptides for heterologous protein expression in microalgae: Expanding the secretion portfolio for Chlamydomonas reinhardtii journal February 2018
Robust Transgene Expression from Bicistronic mRNA in the Green Alga Chlamydomonas reinhardtii journal December 2016
Discovery of Bioactive Metabolites in Biofuel Microalgae That Offer Protection against Predatory Bacteria journal April 2016
Genetic Engineering: A Promising Tool to Engender Physiological, Biochemical, and Molecular Stress Resilience in Green Microalgae journal March 2016
Transgene Expression in Microalgae—From Tools to Applications journal April 2016
Good News for Nuclear Transgene Expression in Chlamydomonas journal November 2019
Validation of a New Multicistronic Plasmid for the Efficient and Stable Expression of Transgenes in Microalgae journal January 2020
Development of an Expression Vector to Overexpress or Downregulate Genes in Curvularia protuberata journal May 2018