Engineered dCas9 with reduced toxicity in bacteria: implications for genetic circuit design

S Zhang, CA Voigt - Nucleic acids research, 2018 - academic.oup.com
Large synthetic genetic circuits require the simultaneous expression of many regulators.
Deactivated Cas9 (dCas9) can serve as a repressor by having a small guide RNA (sgRNA) …

Multi‐input CRISPR/C as genetic circuits that interface host regulatory networks

AAK Nielsen, CA Voigt - Molecular systems biology, 2014 - embopress.org
Genetic circuits require many regulatory parts in order to implement signal processing or
execute algorithms in cells. A potentially scalable approach is to use dC as9, which employs …

Tuning dCas9's ability to block transcription enables robust, noiseless knockdown of bacterial genes

A Vigouroux, E Oldewurtel, L Cui, D Bikard… - Molecular Systems …, 2018 - embopress.org
Over the past few years, tools that make use of the Cas9 nuclease have led to many
breakthroughs, including in the control of gene expression. The catalytically dead variant of …

[HTML][HTML] Engineering a PAM-flexible SpdCas9 variant as a universal gene repressor

J Wang, Y Teng, R Zhang, Y Wu, L Lou, Y Zou… - Nature …, 2021 - nature.com
The RNA-guided CRISPR-associated Cas9 proteins have been widely applied in
programmable genome recombination, base editing or gene regulation in both prokaryotes …

Simultaneous repression of multiple bacterial genes using nonrepetitive extra-long sgRNA arrays

AC Reis, SM Halper, GE Vezeau, DP Cetnar… - Nature …, 2019 - nature.com
Engineering cellular phenotypes often requires the regulation of many genes. When using
CRISPR interference, coexpressing many single-guide RNAs (sgRNAs) triggers genetic …

Regulated Expression of sgRNAs Tunes CRISPRi in E. coli

J Fontana, C Dong, JY Ham, JG Zalatan… - Biotechnology …, 2018 - Wiley Online Library
Methods for implementing dynamically‐controlled multi‐gene programs could expand
capabilities to engineer metabolism for efficiently producing high‐value compounds. This …

Programmable CRISPR‐Cas transcriptional activation in bacteria

HI Ho, JR Fang, J Cheung, HH Wang - Molecular systems biology, 2020 - embopress.org
Programmable gene activation enables fine‐tuned regulation of endogenous and synthetic
gene circuits to control cellular behavior. While CRISPR‐Cas‐mediated gene activation has …

[HTML][HTML] dCas9 regulator to neutralize competition in CRISPRi circuits

HH Huang, M Bellato, Y Qian, P Cárdenas… - Nature …, 2021 - nature.com
CRISPRi-mediated gene regulation allows simultaneous control of many genes. However,
highly specific sgRNA-promoter binding is, alone, insufficient to achieve independent …

[HTML][HTML] A CRISPRi screen in E. coli reveals sequence-specific toxicity of dCas9

L Cui, A Vigouroux, F Rousset, H Varet… - Nature …, 2018 - nature.com
High-throughput CRISPR-Cas9 screens have recently emerged as powerful tools to
decipher gene functions and genetic interactions. Here we use a genome-wide library of …

CRISPathBrick: Modular Combinatorial Assembly of Type II-A CRISPR Arrays for dCas9-Mediated Multiplex Transcriptional Repression in E. coli

BF Cress, OD Toparlak, S Guleria… - ACS synthetic …, 2015 - ACS Publications
Programmable control over an addressable global regulator would enable simultaneous
repression of multiple genes and would have tremendous impact on the field of synthetic …