Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid
Patent
1987-04-16
1989-07-25
Martinell, James
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving nucleic acid
435 91, 4351721, 435 31, 435 32, 435 39, 430 63, 430 94, 430504, 935 78, C12Q 168, C12Q 122, C12Q 118, C12Q 106, C12P 1934, C12N 1500, G01N 3348, G01N 3300, G01N 33567
Patent
active
048513300
ABSTRACT:
A method for specifically and sensitively detecting, identifying, and quantitating any non-viral organism, category or group of organisms containing ribosomal RNA in a sample is disclosed. The nucleic acids of the organisms present in the sample are brought together with a marked probe comprising nucleic acid molecules which are complementary only to ribosomal RNA subsequences known to be conserved in an organism, category or group or organisms. The probe and sample nucleic acid mixture is incubated under nucleic acid hybridization conditions and then assayed to determine the degree of hybridization that has occurred. Hybridization indicates the presence and identity of the organism, category or group or organisms in the sample. The quantity of ribosomal RNA present in the sample can be determined and compared to that normally present in the known organisms to determine the number of organisms present. Batteries of sequentially more specific probes can also be utilized.
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