Restriction enzyme mapping of vaccinia virus DNA.
AUTOR(ES)
DeFilippes, F M
RESUMO
The cleavage sites for the restriction enzymes Bg/I, HindIII, KpnI, SalI, SmaI, and XhoI were located, from primary data, on the DNA isolated from the WR strain of vaccinia virus. Bg/I and SmaI divide the DNA into five segments which can be isolated by sucrose gradient centrifugation. These large segments provide a convenient means to group segments produced by other enzymes. The construction of physical maps was initiated by identifying the segments at each end of the DNA and then finding segments which were adjacent to these terminal sections. This was accomplished by isolating large shear fragments which contained the covalently linked termini of the DNA. Most of the data needed to derive the maps were obtained by isolating segments produce by one enzyme and then cleaving these individual segments with a second enzyme.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=256104Documentos Relacionados
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