Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1989-12-12
pubmed:abstractText
A sensitive nonisotopic solution hybridization assay for detection of RNA is described and characterized using a pSP65 plasmid model system. The assay procedure is based on a hybridization reaction in solution between a biotinylated DNA probe and a target RNA. The biotin-labeled hybrids are captured on a microtiter plate coated with an antibody to biotin. Bound DNA-RNA hybrids are detected by an immunoreaction with an enzyme-labeled monoclonal antibody specifically directed against DNA-RNA heteropolymers and the hybrids are quantitatively measured with the addition of a fluorogenic substrate. Optimal conditions under which to perform the assay were hybridization time, 1000 min; temperature, 75 degrees C; probe concentration, 0.2 microgram/ml; extent of probe biotinylation, 6.7%; buffer stringency, 2x SSC. A bisulfite-modified DNA probe was compared to nick-translated probes synthesized with reporter groups of different lengths (bio-11-dUTP or bio-19-dUTP). All probes could detect 10 pg/ml of target RNA. The presence of nonhomologous DNA or RNA sequences reduced the sensitivity of RNA detection by one half-log to 32 pg/ml (1.6 pg/assay).
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0003-2697
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
181
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
153-62
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1989
pubmed:articleTitle
Nonisotopic detection of RNA in an enzyme immunoassay using a monoclonal antibody against DNA-RNA hybrids.
pubmed:affiliation
Eudowood Division of Infectious Diseases, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21205.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't