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Applied and Environmental Microbiology, July 2005, p. 4097-4100, Vol. 71, No. 7
0099-2240/05/$08.00+0 doi:10.1128/AEM.71.7.4097-4100.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
Multiple-Mutation Reaction: a Method for Simultaneous Introduction of Multiple Mutations into the glpK Gene of Mycoplasma pneumoniae
Claudine Hames,
Sven Halbedel,
Oliver Schilling, and
Jörg Stülke*
Department of General Microbiology, Institute of Microbiology and Genetics, Georg-August University Göttingen, Grisebachstr. 8, D-37077 Göttingen, Germany
Received 19 November 2004/
Accepted 4 January 2005
In Mycoplasma pneumoniae, the UGA opal codon specifies tryptophan rather than a translation stop site. This often makes it difficult to express Mycoplasma proteins in E. coli isolates. In this work, we developed a strategy for the one-step introduction of several mutations. This method, the multiple-mutation reaction, is used to simultaneously replace nine opal codons in the M. pneumoniae glpK gene.
* Corresponding author. Mailing address: Department of General Microbiology, Institute of Microbiology and Genetics, Georg-August University Göttingen, Grisebachstr. 8, D-37077 Göttingen, Germany. Phone: 49-551-393781. Fax: 49-551-393808. E-mail:
jstuelk{at}gwdg.de.
Applied and Environmental Microbiology, July 2005, p. 4097-4100, Vol. 71, No. 7
0099-2240/05/$08.00+0 doi:10.1128/AEM.71.7.4097-4100.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
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