نتایج جستجو برای: plasmid construction
تعداد نتایج: 242846 فیلتر نتایج به سال:
The present communication describes the construction of a new Escherichia coli-Treponema denticola shuttle vector based on the naturally occurring spirochete plasmid pTS1 and the expression of the heterologous T. pallidum flaA gene from the plasmid in T. denticola. This new shuttle vector system should prove useful in characterizing virulence factors from unculturable pathogenic spirochetes.
I describe the construction of a variety of Escherichia coli recA deletion strains designed to facilitate molecular cloning. These recA deletion strains permit the efficient cloning of foreign inserts carried in plasmid, phage, cosmid, phasmid (phage-plasmid hybrid) or phosmid (phage-cosmid hybrid) vectors.
We have extended the technique of PCR-directed recombination in Saccharomyces cerevisiae to develop a simple method for plasmid or gene construction in the absence of suitable restriction sites. The DNA to be cloned is PCR-amplified with 30-40 bp of homology to a linearized yeast plasmid. Co-transformation into yeast results in homologous recombination at a position directed by the PCR oligonuc...
A 3.7-kb cryptic plasmid designated pMGT was found in Magnetospirillum magneticum MGT-1. It was characterized and used for the development of an improved expression system in strain AMB-1 through the construction of a shuttle vector, pUMG. An electroporation method for magnetic bacteria that uses the cryptic plasmid was also developed.
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