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Novel cassette-based shuttle vector system for Gram-positive bacteria.
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2004 (English)In: Applied and Environmental Microbiology, ISSN 0099-2240, E-ISSN 1098-5336, Vol. 70, no 10, 6076-6085 p.Article in journal (Refereed) Published
Abstract [en]

Our understanding of staphylococcal pathogenesis depends on reliable genetic tools for gene expression analysis and tracing of bacteria. Here, we have developed and evaluated a series of novel versatile Escherichia coli-staphylococcal shuttle vectors based on PCR-generated interchangeable cassettes. Advantages of our module system include the use of (i) staphylococcal low-copy-number, high-copy-number, thermosensitive and theta replicons and selectable markers (choice of erythromycin, tetracycline, chloramphenicol, kanamycin, or spectinomycin); (ii) an E. coli replicon and selectable marker (ampicillin); and (iii) a staphylococcal phage fragment that allows high-frequency transduction and an SaPI fragment that allows site-specific integration into the Staphylococcus aureus chromosome. The staphylococcal cadmium-inducible P(cad)-cadC and constitutive P(blaZ) promoters were designed and analyzed in transcriptional fusions to the staphylococcal beta-lactamase blaZ, the Vibrio fischeri luxAB, and the Aequorea victoria green fluorescent protein reporter genes. The modular design of the vector system provides great flexibility and variety. Questions about gene dosage, complementation, and cis-trans effects can now be conveniently addressed, so that this system constitutes an effective tool for studying gene regulation of staphylococci in various ecosystems.

Place, publisher, year, edition, pages
2004. Vol. 70, no 10, 6076-6085 p.
Identifiers
URN: urn:nbn:se:umu:diva-45520DOI: 10.1128/AEM.70.10.6076-6085.2004PubMedID: 15466553OAI: oai:DiVA.org:umu-45520DiVA: diva2:430086
Available from: 2011-07-07 Created: 2011-07-07 Last updated: 2017-12-11

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Charpentier, Emmanuelle
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf