A fully decompressed synthetic bacteriophage øX174 genome assembled and archived in yeast

Paul R. Jaschke, Erica K. Lieberman, Jon Rodriguez, Adrian Sierra, Drew Endy*

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The 5386 nucleotide bacteriophage øX174 genome has a complicated architecture that encodes 11 gene products via overlapping protein coding sequences spanning multiple reading frames. We designed a 6302 nucleotide synthetic surrogate, øX174.1, that fully separates all primary phage protein coding sequences along with cognate translation control elements. To specify øX174.1f, a decompressed genome the same length as wild type, we truncated the gene F coding sequence. We synthesized DNA encoding fragments of øX174.1f and used a combination of in vitro- and yeast-based assembly to produce yeast vectors encoding natural or designer bacteriophage genomes. We isolated clonal preparations of yeast plasmid DNA and transfected E. coli C strains. We recovered viable øX174 particles containing the øX174.1f genome from E. coli C strains that independently express full-length gene F. We expect that yeast can serve as a genomic 'drydock' within which to maintain and manipulate clonal lineages of other obligate lytic phage.

Original languageEnglish
Pages (from-to)278-284
Number of pages7
JournalVirology
Volume434
Issue number2
DOIs
Publication statusPublished - 20 Dec 2012
Externally publishedYes

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