Structure of simian virus 40-adeno-associated virus recombinant genomes.
AUTOR(ES)
Grossman, Z
RESUMO
The structures of recombinant genomes formed by recombination between simian virus 40 (SV40) and adeno-associated virus 2 (AAV) DNAs after either DNA cotransfection or coinfection by virions were characterized. Two types of structures were found. Group A structures, found after cotransfection and in one of seven recombinants arising from coinfection, represented a simple deletion of SV40 sequences replaced by a slightly shorter AAV sequence. Group B structures were found in six of seven recombinants arising after virion coinfection. All contained either the left or right terminal sequences (approximately 250 to 450 bases) of the AAV genome adjacent to the SV40 origin of DNA replication. Only 350 to 650 bases (including the origin) remained of the SV40 sequence. The joined SV40-AAV sequences were present in the recombinant genome as a tandem repeat of a size that can be packaged into SV40 capsids.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=252600Documentos Relacionados
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