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Cited by 363

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Programming gene expression with combinatorial promoters

Open access
Cox, Robert Sidney, Surette, Michael G, Elowitz, Michael B·2007·Molecular Systems Biology

Abstract

Promoters control the expression of genes in response to one or more transcription factors (TFs). The architecture of a promoter is the arrangement and type of binding sites within it. To understand natural genetic circuits and to design promoters for synthetic biology, it is essential to understand the relationship between promoter function and architecture. We constructed a combinatorial library of random promoter architectures. We characterized 288 promoters in Escherichia coli, each containing up to three inputs from four different TFs. The library design allowed for multiple -10 and -35 boxes, and we observed varied promoter strength over five decades. To further analyze the functional repertoire, we defined a representation of promoter function in terms of regulatory range, logic type, and symmetry. Using these results, we identified heuristic rules for programming gene expression with combinatorial promoters.

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Crossref · 10.1038/msb4100187

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Metadata

Authors
Cox, R. S., Surette, M. G., & Elowitz, M. B.
Venue
Molecular Systems Biology
Published
2007-01
Volume
3
Issue
1
Pages
145-145
ISSN
1744-4292 (ISSN-L)
OpenAlex
W2121806138
Cited by
363
References
3
FWCI
8.02
Type
journal article
Language
en
Open access
gold

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