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. 1975 Oct;2(10):1911–1929. doi: 10.1093/nar/2.10.1911

Hybridization of labeled RNA to DNA in agarose gels.

T M Shinnick, E Lund, O Smithies, F R Blattner
PMCID: PMC343556  PMID: 1103090

Abstract

Specific DNA restriction endonuclease fragments can be identified after electrophoresis in agarose gels by hybridization in the gel (in situ) to radioactive homologous RNA. RNA-DNA hybrids are detected by autoradiography of the gel. Comparison of band patterns of the autoradiogram and the ethidium bromide stained gel allows the identification of the DNA fragment which is complementary to the RNA probe. The technique is rapid, easy and inexpensive. It is sensitive enough to detect individual genes in a mixture of fragments produced by restriction enzyme digestion of complex cellular DNA. We have used this technique to determine which of the Hin III and Eco R1 fragments of phi80d3ilv+su+7 and E. coli DNAs contain the 5S, 16S and 23S ribosomal RNA (rRNA) genes of E. coli.

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Selected References

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