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. 1966 Aug;100(2):321–329. doi: 10.1042/bj1000321

Physical properties of single- and double-stranded coliphage ribonucleic acid

D H L Bishop 1
PMCID: PMC1265139  PMID: 4165511

Abstract

1. The physical characteristics of single- and double-stranded coliphage RNA with regard to their sedimentation behaviour in gradients of sucrose in high or low ionic conditions were examined. The effect of heat on their sedimentation characteristics was also determined. 2. Single-stranded coliphage RNA was found to exist in three different forms having sedimentation coefficients 28s, 20s and 12s. The latter two were interchangeable, depending on ionic strength. All three were almost equally infectious to spheroplasts. 3. Double-stranded coliphage RNA was found to be non-infectious to spheroplasts and had sedimentation coefficients 15s and 12s. Thermal denaturation gave rise to infectious single-stranded 12s RNA. 4. Four possible hypotheses on the mechanism of replication of coliphage RNA are discussed.

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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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