Molecular cloning of the complete Epstein-Barr virus genome as a set of overlapping restriction endonuclease fragments.
AUTOR(ES)
Arrand, J R
RESUMO
A complete collection of fragments of Epstein-Barr virus DNA, obtained by cleavage with restriction endonuclease Eco RI, has been cloned. Fourteen different internal fragments of the virus genome, derived from linear virion DNA of the B95-8 strain, and sequences corresponding to the terminal regions of virion DNA, derived from intracellular circular EBV DNA isolated from 895-8 cells, were cloned. Sizes of fragments were determined by agarose gel electrophoresis and their sum leads to an estimated molecular weight of 110 x 10(6) for virion DNA. Large Eco RI DNA fragments of special interest were also cloned in cosmids using another source of EBV DNA, that is, to circular viral DNA derived from Raji cells. In order to provide a set of overlapping sequences, all the 29 internal Bam HI fragments of B95-8 virion DNA were cloned in pBR322. The map location within the viral genome of each cloned DNA fragment was identified by hybridizing to blots of virion DNA cleaved with several different restriction endonucleases.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=327327Documentos Relacionados
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