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. 1969 Aug;113(5):805–811. doi: 10.1042/bj1130805

The effect of genetic complexity on the time-course of ribonucleic acid–deoxyribonucleic acid hybridization

J O Bishop 1
PMCID: PMC1184770  PMID: 4898022

Abstract

1. The rate of RNA–DNA hybridization was studied under conditions of RNA excess, with RNA synthesized in vitro. The initial rate of the reaction was proportional to the initial RNA concentration. Throughout the observed course of the reaction there was a linear relationship between the reciprocal of the amount of RNA hybridized/μg. of DNA and the reciprocal of time. The slope of the reciprocal plot was inversely proportional to the initial RNA concentration. 2. A comparison was made of the hybridization of DNA from Escherichia coli and from bacteriophages T4 and λ with homologous RNA. The initial rate of hybridization was inversely proportional to the genetic complexity of the hybridizing system. The slope of the reciprocal-time plot was directly proportional to genetic complexity. These results are interpreted to indicate that the rate of hybridization reflects the mean concentration of the various unique RNA species in a preparation.

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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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