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. 1994 Jan;60(1):348–352. doi: 10.1128/aem.60.1.348-352.1994

Transcriptional enhancement of the Listeria monocytogenes PCR and simple immunoenzymatic assay of the product using anti-RNA:DNA antibodies.

B W Blais 1
PMCID: PMC201312  PMID: 7509587

Abstract

A method was developed to enhance the sensitivity of a Listeria monocytogenes PCR detection system by in vitro transcription of amplicons incorporating bacteriophage T7 RNA polymerase promoter sequences in one of the priming oligonucleotides. The resulting transcript can be detected by hybridization with a DNA probe immobilized in the wells of a microtiter plate, followed by immunoenzymatic assay of the RNA-DNA hybrids with an anti-RNA-DNA hybrid antibody. This highly sensitive method was reactive in the assay of various L. monocytogenes isolates but not with other Listeria or non-Listeria species.

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Selected References

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