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Cited by 256

The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.

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

Open access
Nielsen, Alec AK, Voigt, Christopher A·2014·Molecular Systems Biology

Abstract

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 small guide RNA s (sgRNAs) to repress genetic loci via the programmability of RNA : DNA base pairing. To this end, we use dC as9 and designed sgRNAs to build transcriptional logic gates and connect them to perform computation in living cells. We constructed a set of NOT gates by designing five synthetic Escherichia coli σ 70 promoters that are repressed by corresponding sgRNAs, and these interactions do not exhibit crosstalk between each other. These sgRNAs exhibit high on‐target repression (56‐ to 440‐fold) and negligible off‐target interactions (< 1.3‐fold). These gates were connected to build larger circuits, including the Boolean‐complete NOR gate and a 3‐gate circuit consisting of four layered sgRNAs. The synthetic circuits were connected to the native E. coli regulatory network by designing output sgRNAs to target an E. coli transcription factor ( malT ). This converts the output of a synthetic circuit to a switch in cellular phenotype (sugar utilization, chemotaxis, phage resistance).

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Metadata

Authors
Nielsen, A. A., & Voigt, C. A.
Venue
Molecular Systems Biology
Published
2014-11
Volume
10
Issue
11
Pages
763-763
ISSN
1744-4292 (ISSN-L)
OpenAlex
W2164424555
Cited by
256
References
60
FWCI
9.13
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Multi‐input CRISPR / Cas genetic circuits that interface host regulatory networks. https://app.cochat.ai/papers/10.15252/msb.20145735
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Nielsen, A. A., & Voigt, C. A. (2014). Multi‐input CRISPR / Cas genetic circuits that interface host regulatory networks. Molecular Systems Biology. https://doi.org/10.15252/msb.20145735

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