Determinants for Efficient Editing with Cas9-Mediated Recombineering in Escherichia coli

A Choudhury, RG Fankhauser, EF Freed… - ACS Synthetic …, 2020 - ACS Publications
… For a subset of these cassettes, we studied the impact of target position, Cas9 expression …
cleaved chromosome using native homologous recombination, the cell dies. Therefore, Cas9:…

CRISPR–Cas9/CRISPRi tools for cell factory construction in E. coli

A Hashemi - World Journal of Microbiology and Biotechnology, 2020 - Springer
… Upon cleavage by Cas9, in the absence of an appropriate repair … genes was tuned and
chromosomal targets in virulent, E. … effect including experimental off-target cleavage validation, …

[HTML][HTML] CRISPR/Cas technologies and their applications in Escherichia coli

H Dong, Y Cui, D Zhang - Frontiers in Bioengineering and …, 2021 - frontiersin.org
… /Cas9 to generate a DSB and induce intra-chromosomal … regions with no off-target effects,
and edit large areas of up to … different efficiencies in the cleavage of complementary and non-…

A versatile genetic engineering toolkit for E. coli based on CRISPR-prime editing

Y Tong, TS Jørgensen, CM Whitford, T Weber… - Nature …, 2021 - nature.com
… the unedited 5′ flap, only the cleavage of the 5′ flap leads to … In summary, our results
indicate a very high fidelity of … coli, CRISPR-Cas9 has been widely employed as a tool for counter-…

[HTML][HTML] CRISPR-Cas9-assisted genome editing in E. coli elevates the frequency of unintended mutations

KA Widney, DD Yang, LM Rusch, SD Copley - bioRxiv, 2024 - ncbi.nlm.nih.gov
effects of genomic changes. We have found that a commonly used Cas9-assisted editing
method results … nt) spacer sequences to direct Cas9 cleavage were encoded on donor or guide …

Small molecule regulated sgRNAs enable control of genome editing in E. coli by Cas9

RS Iwasaki, BA Ozdilek, AD Garst, A Choudhury… - Nature …, 2020 - nature.com
… To understand the effects of ligand binding to the aptamer on the activity … cleavage of the
DNA target. To measure the endonuclease activity of the Cas9-gRNA complexes in vitro, Cas9

A Transposon-Associated CRISPR/Cas9 System Specifically Eliminates both Chromosomal and Plasmid-Borne mcr-1 in Escherichia coli

YZ He, JR Yan, B He, H Ren, X Kuang… - Antimicrobial agents …, 2021 - Am Soc Microbiol
… The results showed that the ISApl1-CRISPR/Cas9 was … efficient ISApl1-CRISPR/Cas9
cleavage. The successful elimination … on their chromosomes, we sought to determine the impact of …

Mobile CRISPR-Cas9 based anti-phage system in E. coli

Z Cao, Y Ma, B Jia, YJ Yuan - Frontiers of Chemical Science and …, 2022 - Springer
… Our results indicate that MCBAS carrying two gRNAs has better performance than that …
The MCBAS consist of CRISPR-Cas9 for cleavage of phage DNA and origin of transfer (oriT) for …

Genetic editing of the virulence gene of Escherichia coli using the CRISPR system

M Hou, S Sun, Q Feng, X Dong, P Zhang, B Shi, J Liu… - PeerJ, 2020 - peerj.com
… The gRNA directs the Cas9 endonuclease to the cleavage … To reduce the off-target effects
of Cas9 in this study, it was … on the ETEC plasmids and chromosome for deleting, replacing, …

Targeted Elimination of blaNDM-5 Gene in Escherichia coli by Conjugative CRISPR-Cas9 System

P Li, P Wan, R Zhao, J Chen, X Li, J Li… - Infection and Drug …, 2022 - Taylor & Francis
effect of the CRISPR-Cas9 system of adaptive immunity on the prevention of the exogenous
resistant plasmids pNDM-5 by introducing the system into E coli … -Cas9 mediated cleavage