期刊
JOURNAL OF BACTERIOLOGY
卷 182, 期 3, 页码 842-847出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.182.3.842-847.2000
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We describe a simple system for reversible, stable integration of plasmid-borne genes into the Escherichia coli chromosome. Most ordinary E. coli strains and a variety of pBR322-derived ampicillin-resistant plasmids can be used. A single genetic element, a lambda phage, is the only specialized vector required. The resultant strains have a single copy of the plasmid fragment inserted stably at the lambda attachment site on the chromosome, with nearly the entire lambda genome deleted.
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