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. 1976 Sep;19(3):1100–1106. doi: 10.1128/jvi.19.3.1100-1106.1976

Structure of a defective simian virus 40 genome bearing an operator from bacteriophage lambda.

D Davoli, A L Nussbaum, G C Fareed
PMCID: PMC354950  PMID: 184298

Abstract

We examined further the physical structure of the simian virus 40 (SV40) and bacteriophage lambda DNA sequences in an SV40-lambda hybrid that had been propagated in monkey kidney cells. The SV40 vector portion of the hybrid, which was a small fragment isolated from a reiteration mutant of SV40, contained the site for initiation of SV40 DNA replication. Electron microscope heteroduplex and restriction endonuclease analyses revealed a tandem duplication of the SV40 vector segment linked to a 2,300-base pair portion (lambda map units 71 to 76) of the lambda immunity region. The defective hybrid genome thus harbors two origins for SV40 DNA replication in addition to the leftward operator and the N gene of lambda.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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