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Transposon mutagenesis in Staphylococcus epidermidis using the Enterococcus faecalis transposon Tn917
1Institut für Medizinische Mikrobiologie und Immunologie, Universität Hamburg, F.R.G.
FEMS Microbiology Letters
|August 1, 1991
Summary
Transposon mutagenesis using Tn917 in Staphylococcus epidermidis allows for genetic analysis of virulence factors. This method enables efficient and random gene insertion, aiding in pathogen research.
Area of Science:
- Microbiology
- Molecular Biology
- Genetics
Background:
- Staphylococcus epidermidis is an opportunistic pathogen.
- Genetic tools are needed to study its virulence factors.
Purpose of the Study:
- To establish a transposon mutagenesis system for Staphylococcus epidermidis using the Enterococcus faecalis transposon Tn917.
Main Methods:
- Transformation of Staphylococcus epidermidis with pTV1 plasmid carrying Tn917.
- Assessment of plasmid replication and transposition at different temperatures.
- Evaluation of transposition frequency and stimulation by erythromycin.
Main Results:
- Plasmid replication was lost at 47°C.
- Tn917 demonstrated efficient and random transposition.
- Erythromycin stimulated transposition frequency.
Conclusions:
- Transposon mutagenesis with Tn917 is a viable method for Staphylococcus epidermidis genetic studies.
- This system facilitates the investigation of S. epidermidis virulence factors.