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Molecular Biology Commons

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Theses/Dissertations

Microbiology

Electronic Theses and Dissertations

Mycobacteria

2007

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Full-Text Articles in Molecular Biology

Correlation Of Rpob Gene Mutation With Clinical Rifabutin And Rifampicin Resistance For Treatment Of Crohn's Disease, Daniel Beckler Jan 2007

Correlation Of Rpob Gene Mutation With Clinical Rifabutin And Rifampicin Resistance For Treatment Of Crohn's Disease, Daniel Beckler

Electronic Theses and Dissertations

Emerging rise in microbial drug resistance and the slow-growing characteristic of some intracellular pathogens such as MAP (Mycobacterium avium subspecies paratuberculosis) strongly urges the need for an effective approach for unconventional drug susceptibility testing. We designed a molecular-based PCR method for the evaluation of rifabutin (RFB) and rifampicin (RIF) resistance based on probable determinant regions within the rpoB gene of MAP, including the 81 bp variable site located between nucleotides 1363 and 1443. The minimum inhibitory concentration (MIC) for RIF was also determined against 10 MAP isolates in attempt to seek correlation with rpoB sequences. We determined that MAP strain …