Enhanced regulation of prokaryotic gene expression by a eukaryotic transcriptional activator

I. Cody MacDonald, Travis R. Seamons, Jonathan C. Emmons, Shwan B. Javdan and Tara L. Deans ()
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I. Cody MacDonald: University of Utah
Travis R. Seamons: University of Utah
Jonathan C. Emmons: University of Utah
Shwan B. Javdan: University of Utah
Tara L. Deans: University of Utah

Nature Communications, 2021, vol. 12, issue 1, 1-10

Abstract: Abstract Expanding the genetic toolbox for prokaryotic synthetic biology is a promising strategy for enhancing the dynamic range of gene expression and enabling new engineered applications for research and biomedicine. Here, we reverse the current trend of moving genetic parts from prokaryotes to eukaryotes and demonstrate that the activating eukaryotic transcription factor QF and its corresponding DNA-binding sequence can be moved to E. coli to introduce transcriptional activation, in addition to tight off states. We further demonstrate that the QF transcription factor can be used in genetic devices that respond to low input levels with robust and sustained output signals. Collectively, we show that eukaryotic gene regulator elements are functional in prokaryotes and establish a versatile and broadly applicable approach for constructing genetic circuits with complex functions. These genetic tools hold the potential to improve biotechnology applications for medical science and research.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24434-9

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DOI: 10.1038/s41467-021-24434-9

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