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  Site-directed and transposon-mediated mutagenesis with pfd-plasmids by electroporation of Erwinia amylovora and Escherichia coli cells

Metzger, M., Bellemann, P., Schwartz, T., & Geider, K. (1992). Site-directed and transposon-mediated mutagenesis with pfd-plasmids by electroporation of Erwinia amylovora and Escherichia coli cells. Nucleic Acids Research (London), 20(9), 2265-2270. doi:10.1093/nar/20.9.2265.

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 Creators:
Metzger, Marianne1, Author           
Bellemann, Peter1, Author           
Schwartz, Thomas2, Author           
Geider, Klaus1, Author           
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1Research Group Prof. Dr. Geider, Max Planck Institute for Medical Research, Max Planck Society, ou_1497738              
2Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497712              

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 Abstract: The suicide plasmid pfdA31-Tn5 was constructed to mutagenize Erwinia amylovora and Escherichia coli strains by electorporation. This vector carries the bacteriophage fd replication origin, a beta-lactamase gene and the transposon Tn5. For propagation the plasmid depends on host cells producing fd gene-2 protein. Electroporation of E.amylovora or E.coli cells with plasmid pfdA31-Tn5 yielded more than 10(4) transposition events per micrograms DNA. We have produced and characterized transposon mutants of E.amylovora affecting either galactose metabolism or the synthesis of the phytotoxin (L)-2,5-dihydrophenylalanine. A Tn5-insertion in a gene, involved in exopolysaccharide synthesis of E.amylovora strain Ea7/74, was subcloned into vector pfdA31 and used to mutagenize E.amylovora strain Ea1/79 by site-directed recombination.

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Language(s): eng - English
 Dates: 1992-03-311992-02-041992-03-311992-05-11
 Publication Status: Issued
 Pages: 6
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 Rev. Type: Peer
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Title: Nucleic Acids Research (London)
  Other : Nucleic Acids Res
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 20 (9) Sequence Number: - Start / End Page: 2265 - 2270 Identifier: ISSN: 0305-1048
CoNE: https://pure.mpg.de/cone/journals/resource/110992357379342