Detection of a genetic locus encoding resistance to rifampin in

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 911, 435 912, 435863, 536 2433, 536 237, 536 2432, 935 8, 935 76, 935 77, 935 78, C12Q 168, C12P 1934, C07H 2104, C12N 1500

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056437234

ABSTRACT:
A method is provided for detecting M. tuberculosis or mutants thereof, particularly rifampin-resistant MTB, in a biological sample comprising: isolating DNA from the biological sample; amplifying the isolated DNA under hybridizing conditions with a primer set that targets portions of the gene encoding rpoB; wherein the pimer set comprises at least one primer that hybridizes under hybridizing conditions to at least one signature nucleotide for M. tuberculosis; and isolating and sequencing the amplified DNA to determine the presence or absence of M. tuberculosis or mutants thereof.

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