Gateway vectors for efficient artificial gene assembly in vitro and expression in yeast Saccharomyces cerevisiae

Claudiu V Giuraniuc, Murray Iain MacPherson, Yasushi Saka

Research output: Contribution to journalArticle

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Abstract

Construction of synthetic genetic networks requires the assembly of DNA fragments encoding functional biological parts in a defined order. Yet this may become a time-consuming procedure. To address this technical bottleneck, we have created a series of Gateway shuttle vectors and an integration vector, which facilitate the assembly of artificial genes and their expression in the budding yeast Saccharomyces cerevisiae. Our method enables the rapid construction of an artificial gene from a promoter and an open reading frame (ORF) cassette by one-step recombination reaction in vitro. Furthermore, the plasmid thus created can readily be introduced into yeast cells to test the assembled gene’s functionality. As flexible regulatory components of a synthetic genetic network, we also created new versions of the tetracycline-regulated transactivators tTA and rtTA by fusing them to the auxin-inducible degron (AID). Using our gene assembly approach, we made yeast expression vectors of these engineered transactivators, AIDtTA and AIDrtTA and then tested their functions in yeast. We showed that these factors can be regulated by doxycycline and degraded rapidly after addition of auxin to the medium. Taken together, the method for combinatorial gene assembly described here is versatile and would be a valuable tool for yeast synthetic biology.
Original languageEnglish
Article numbere64419
Number of pages13
JournalPloS ONE
Volume8
Issue number5
DOIs
Publication statusPublished - 10 May 2013

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Synthetic Genes
synthetic genes
Yeast
Saccharomyces cerevisiae
Genes
Yeasts
yeasts
Indoleacetic Acids
Trans-Activators
Synthetic Biology
auxins
Genetic Vectors
Saccharomycetales
Doxycycline
synthetic biology
genetic vectors
Tetracycline
doxycycline
genes
Genetic Recombination

Cite this

Gateway vectors for efficient artificial gene assembly in vitro and expression in yeast Saccharomyces cerevisiae. / Giuraniuc, Claudiu V; MacPherson, Murray Iain; Saka, Yasushi.

In: PloS ONE, Vol. 8, No. 5, e64419, 10.05.2013.

Research output: Contribution to journalArticle

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