Epstein-Barr virus DNA. X. Direct repeat within the internal direct repeat of Epstein-Barr virus DNA.
AUTOR(ES)
Cheung, A
RESUMO
The 3,360-base-pair internal direct repeat (IR) in Epstein-Barr virus DNA separates the short and long unique DNA domains. IR has a single BamHI site. The juncture between the short unique domain and IR has been mapped by restriction endonucleases and is less than 2,600 nucleotides before the BamHI site in IR. The junction between IR and the long unique domain has been sequenced and is approximately 650 nucleotides after the BamHI site in IR. Thus, relative to the start of IR at the juncture with the short unique domain, the last repeat is at least 90 base pairs short of being complete. There is homology between the 250-nucleotide fragments to the left and the right of the unique BamHI site in IR. A 35-base-pair sequence of the left fragment is directly repeated within the right fragment, once fully and once partially. The implications of these findings are discussed.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=256652Documentos Relacionados
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