Bacteriophage recombineering in the lytic state using the lambda red recombinases

Tamás Fehér, Ildikó Karcagi, Frederick R. Blattner, G. Pósfai

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Bacteriophages, the historic model organisms facilitating the initiation of molecular biology, are still important candidates of numerous useful or promising biotechnological applications. Development of generally applicable, simple and rapid techniques for their genetic engineering is therefore a validated goal. In this article, we report the use of bacteriophage recombineering with electroporated DNA (BRED), for the first time in a coliphage. With the help of BRED, we removed a copy of mobile element IS1, shown to be active, from the genome of P1vir, a coliphage frequently used in genome engineering procedures. The engineered, IS-free coliphage, P1virdeltaIS, displayed normal plaque morphology, phage titre, burst size and capacity for generalized transduction. When performing head-to-head competition experiments, P1vir could not outperform P1virdeltaIS, further indicating that the specific copy of IS1 plays no direct role in lytic replication. Overall, P1virdeltaIS provides a genome engineering vehicle free of IS contamination, and BRED is likely to serve as a generally applicable tool for engineering bacteriophage genomes in a wide range of taxa.

Original languageEnglish
Pages (from-to)466-476
Number of pages11
JournalMicrobial Biotechnology
Volume5
Issue number4
DOIs
Publication statusPublished - Jul 2012

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Recombinases
Bacteriophages
Coliphages
Genes
Genome
DNA
Genetic engineering
Molecular biology
Genetic Engineering
Molecular Biology
Contamination
Experiments

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Biotechnology
  • Biochemistry
  • Bioengineering

Cite this

Bacteriophage recombineering in the lytic state using the lambda red recombinases. / Fehér, Tamás; Karcagi, Ildikó; Blattner, Frederick R.; Pósfai, G.

In: Microbial Biotechnology, Vol. 5, No. 4, 07.2012, p. 466-476.

Research output: Contribution to journalArticle

Fehér, Tamás ; Karcagi, Ildikó ; Blattner, Frederick R. ; Pósfai, G. / Bacteriophage recombineering in the lytic state using the lambda red recombinases. In: Microbial Biotechnology. 2012 ; Vol. 5, No. 4. pp. 466-476.
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