Cited by 246CRISPR and Genetic EngineeringMicrobial Metabolic Engineering and BioproductionBacterial Genetics and Biotechnology

Multiple Gene Repression in Cyanobacteria Using CRISPRi

Yao, Lun, Cengic, Ivana, Anfelt, Josefine, Hudson, Elton P.·2016·ACS Synthetic Biology

Abstract

We describe the application of clustered regularly interspaced short palindromic repeats interference (CRISPRi) for gene repression in the model cyanobacterium Synechcocystis sp. PCC 6803. The nuclease-deficient Cas9 from the type-II CRISPR/Cas of Streptrococcus pyogenes was used to repress green fluorescent protein (GFP) to negligible levels. CRISPRi was also used to repress formation of carbon storage compounds polyhydroxybutryate (PHB) and glycogen during nitrogen starvation. As an example of the potential of CRISPRi for basic and applied cyanobacteria research, we simultaneously knocked down 4 putative aldehyde reductases and dehydrogenases at 50-95% repression. This work also demonstrates that tightly repressed promoters allow for inducible and reversible CRISPRi in cyanobacteria.

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Crossref · 10.1021/acssynbio.5b00264

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Authors
Yao, L., Cengic, I., Anfelt, J., & Hudson, E. P.
Affiliations
Science for Life Laboratory (SE)
Corresponding author
Hudson, Elton P.
Venue
ACS Synthetic Biology
Published
2015-12-28
Volume
5
Issue
3
Pages
207-212
ISSN
2161-5063 (ISSN-L)
OpenAlex
W2234629144
Cited by
246
References
38
Citations by year
2026: 15 · 2025: 16 · 2024: 17 · 2023: 18 · 2022: 24 · 2021: 32 · 2020: 26 · 2019: 33 · 2018: 30 · 2017: 21 · 2016: 14
FWCI
9.40
Type
journal article
Language
en
Open access
closed
Locations
  • ACS Synthetic Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Svenska Forskningsr?det Formas (213-2011-1655)
  • Stiftelsen f?r?Strategisk Forskning (RBP14-0013)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Keywords
CRISPR interference, gene repression, Synechocystis sp. PCC 6803, cyanobacteria, polyhydroxybutyrate, glycogen, nitrogen starvation, carbon storage, aldehyde reductase, dehydrogenase
MeSH terms
Aldehyde Dehydrogenase, Aldehyde Reductase, Cyanobacteria, Bacterial Proteins, Flow Cytometry, Blotting, Western, Down-Regulation, Green Fluorescent Proteins, CRISPR-Cas Systems

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