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. 1985 Jan;53(1):25–31. doi: 10.1128/jvi.53.1.25-31.1985

Transfection of REP- mycoplasmas with viral single-stranded DNA.

T L Sladek, J Maniloff
PMCID: PMC254973  PMID: 3965744

Abstract

Double-stranded DNA from mycoplasma virus L2 can transfect Acholeplasma laidlawii cells in the presence of polyethylene glycol (T. L. Sladek and J. Maniloff, J. Bacteriol. 155:734-741, 1983). We report here that both single-stranded DNA and double-stranded replicative form DNA, from the single-stranded DNA mycoplasma virus L51, are also infectious in this system. For both DNAs transfection frequencies were in the range of 10(-8) transfectants per DNA molecule and 10(-3) transfectants per CFU. An unexpected finding was that both DNAs could transfect A. laidlawii strain REP-, a variant which is a nonpermissive host for single-stranded DNA mycoplasma viruses due to a block in viral DNA replication (Nowak et al., J. Bacteriol. 127:832-836, 1976). The number of viruses produced by transfected REP- cells was comparable to the number produced by both transfected and infected wild-type cells. Therefore, transfected L51 DNAs are able to bypass the replication block in REP- cells that occurs when these cells are infected by L51 virions.

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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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