Abstract
Conjugation is a common mode of genetic transfer among the lactic acid bacteria. In an effort to exploit conjugation as a means of lactococcal strain development, we have characterized the transfer regions of pRS01 by insertional mutagenesis via IS946-mediated cointegration with the lactococcal-Escherichia coli shuttle plasmid pTRK28. In this work we will discuss our use of pTRK28-mediated cointegration to identify, clone, and characterize the pRS01 transfer regions including the conjugative origin of transfer.
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Abbreviations
- Cmr :
-
= resistant to chloramphenicol
- Ermr :
-
= resistant to erythromycin
- IS:
-
= insertion sequence
- LAB:
-
= lactic acid bacteria
- oriT :
-
= origin of transfer
- PBS:
-
= phosphate-buffered saline
- Rec+ :
-
= recombination proficient
- Rifr :
-
= resistant to rifampicin
- Spcr :
-
= resistant to spectinomycin
- Strr :
-
= resistant to streptomycin
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© 1998 Springer Science+Business Media Dordrecht
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Mills, D.A., Phister, T.G., Baldwin, K.A., Dunny, G.M., McKay, L.L. (1998). Characterization of the lactococcal conjugative element pRS01 using IS946-mediated mutagenesis. In: Fives-Taylor, P.M., LeBlanc, D.J. (eds) Methods for studying the genetics, molecular biology, physiology, and pathogenesis of the streptococci. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2258-2_8
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DOI: https://doi.org/10.1007/978-94-017-2258-2_8
Publisher Name: Springer, Dordrecht
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