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Cited by 432

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

CRISPR-Cas9 Based Engineering of Actinomycetal Genomes

Open access
Tong, Yaojun, Charusanti, Pep, Zhang, Lixin, Weber, Tilmann, Lee, Sang Yup·2015·ACS Synthetic Biology

Abstract

Bacteria of the order Actinomycetales are one of the most important sources of pharmacologically active and industrially relevant secondary metabolites. Unfortunately, many of them are still recalcitrant to genetic manipulation, which is a bottleneck for systematic metabolic engineering. To facilitate the genetic manipulation of actinomycetes, we developed a highly efficient CRISPR-Cas9 system to delete gene(s) or gene cluster(s), implement precise gene replacements, and reversibly control gene expression in actinomycetes. We demonstrate our system by targeting two genes, actIORF1 (SCO5087) and actVB (SCO5092), from the actinorhodin biosynthetic gene cluster in Streptomyces coelicolor A3(2). Our CRISPR-Cas9 system successfully inactivated the targeted genes. When no templates for homology-directed repair (HDR) were present, the site-specific DNA double-strand breaks (DSBs) introduced by Cas9 were repaired through the error-prone nonhomologous end joining (NHEJ) pathway, resulting in a library of deletions with variable sizes around the targeted sequence. If templates for HDR were provided at the same time, precise deletions of the targeted gene were observed with near 100% frequency. Moreover, we developed a system to efficiently and reversibly control expression of target genes, deemed CRISPRi, based on a catalytically dead variant of Cas9 (dCas9). The CRISPR-Cas9 based system described here comprises a powerful and broadly applicable set of tools to manipulate actinomycetal genomes.

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Metadata

Authors
Tong, Y., Charusanti, P., Zhang, L., Weber, T., & Lee, S. Y.
Venue
ACS Synthetic Biology
Published
2015-04-07
Volume
4
Issue
9
Pages
1020-1029
ISSN
2161-5063 (ISSN-L)
OpenAlex
W4238526656
Cited by
432
References
53
FWCI
18.14
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: CRISPR-Cas9 Based Engineering of Actinomycetal Genomes. https://app.cochat.ai/papers/10.1021/acssynbio.5b00038
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Tong, Y., Charusanti, P., Zhang, L., Weber, T., & Lee, S. Y. (2015). CRISPR-Cas9 Based Engineering of Actinomycetal Genomes. ACS Synthetic Biology. https://doi.org/10.1021/acssynbio.5b00038

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