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Title: Synechococcus elongatus UTEX 2973, a fast growing cyanobacterial chassis for biosynthesis using light and CO2

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep08132· OSTI ID:1171276

Photosynthetic microbes are of emerging interest as production organisms in biotechnology because they can grow autotrophically using sunlight, an abundant energy source, and CO2, a greenhouse gas. Important traits for such microbes are fast growth and amenability to genetic manipulation. Here we describe Synechococcus elongatus UTEX 2973, a unicellular cyanobacterium capable of rapid autotrophic growth, comparable to heterotrophic industrial hosts such as yeast. Synechococcus 2973 can be readily transformed for facile generation of desired knockout and knock-in mutations. Genome sequencing coupled with global proteomics studies revealed that Synechococcus 2973 is a close relative of the widely studied cyanobacterium Synechococcus elongatus PCC 7942, an organism that grows more than two times slower. A small number of nucleotide changes are the only significant differences between the genomes of these two cyanobacterial strains. Thus, our study has unraveled genetic determinants necessary for rapid growth of cyanobacterial strains of significant industrial potential.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Environmental Molecular Sciences Laboratory (EMSL); Energy Frontier Research Centers (EFRC) (United States). Photosynthetic Antenna Research Center (PARC)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-76RL01830; SC 0001035
OSTI ID:
1171276
Report Number(s):
PNNL-SA-105375; srep08132
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 212 works
Citation information provided by
Web of Science

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A penalty on photosynthetic growth in fluctuating light journal October 2017
The international journeys and aliases of Synechococcus elongatus journal December 2018
Optimal proteome allocation strategies for phototrophic growth in a light-limited chemostat journal October 2019
Metabolic engineering of phosphite metabolism in Synechococcus elongatus PCC 7942 as an effective measure to control biological contaminants in outdoor raceway ponds journal July 2020
Cyanobacteria-Based Bio-Oxygen Pump Promoting Hypoxia-Resistant Photodynamic Therapy journal March 2020
CRISPR/Cas9 mediated targeted mutagenesis of the fast growing cyanobacterium Synechococcus elongatus UTEX 2973 journal June 2016
Development of a longevous two-species biophotovoltaics with constrained electron flow journal September 2019
Elevated carbon dioxide levels lead to proteome-wide alterations for optimal growth of a fast-growing cyanobacterium, Synechococcus elongatus PCC 11801 journal April 2019
Carbon-free production of 2-deoxy- scyllo -inosose (DOI) in cyanobacterium Synechococcus elongatus PCC 7942 journal January 2018
From cyanochemicals to cyanofactories: a review and perspective journal January 2016
Two-stage (photoautotrophy and heterotrophy) cultivation enables efficient production of bioplastic poly-3-hydroxybutyrate in auto-sedimenting cyanobacterium journal November 2016
PHB is Produced from Glycogen Turn-over during Nitrogen Starvation in Synechocystis sp. PCC 6803 journal April 2019
Biogenic Weathering: Solubilization of Iron from Minerals by Epilithic Freshwater Algae and Cyanobacteria journal January 2018
A Novel Cyanobacterium Synechococcus elongatus PCC 11802 has Distinct Genomic and Metabolomic Characteristics Compared to its Neighbor PCC 11801 journal January 2020
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Erratum to: Is RAF1 protein from Synechocystis sp. PCC 6803 really needed in the cyanobacterial Rubisco assembly process? journal February 2017
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A simple approach to spectrally resolved fluorescence and bright field microscopy over select regions of interest journal November 2016
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Recent advances in synthetic biology of cyanobacteria journal May 2018
Metabolic engineering of a fast-growing cyanobacterium Synechococcus elongatus PCC 11801 for photoautotrophic production of succinic acid journal May 2020
In silico screening for candidate chassis strains of free fatty acid-producing cyanobacteria journal January 2017
Heterologous expression and biochemical characterisation of cyanotoxin biosynthesis pathways journal January 2019
Proteomic Insights into Phycobilisome Degradation, A Selective and Tightly Controlled Process in The Fast-Growing Cyanobacterium Synechococcus elongatus UTEX 2973 journal August 2019
Physiological Significance of NAD Kinases in Cyanobacteria journal June 2019
Overexpression of bicarbonate transporters in the marine cyanobacterium Synechococcus sp. PCC 7002 increases growth rate and glycogen accumulation journal January 2020
The Suitability of Orthogonal Hosts to Study Plant Cell Wall Biosynthesis journal November 2019
Unprecedented biomass and fatty acid production by the newly discovered cyanobacterium Synechococcus sp. PCC 11901 journal June 2019
Comparative genomics reveals the molecular determinants of rapid growth of the cyanobacterium Synechococcus elongatus UTEX 2973 journal November 2018
Adjustments to Photosystem Stoichiometry and Electron Transfer Proteins Are Key to the Remarkably Fast Growth of the Cyanobacterium Synechococcus elongatus UTEX 2973 journal February 2018
Emerging Species and Genome Editing Tools: Future Prospects in Cyanobacterial Synthetic Biology journal September 2019
Progress and challenges in engineering cyanobacteria as chassis for light‐driven biotechnology journal August 2019
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