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Journals and Conferences
This unit includes protocols for the genetic manipulation of Mycobacterium tuberculosis, including nucleic acid extraction (plasmid DNA, genomic DNA, and mRNA), and methods for electroporation (transformation), transduction (including allelic exchange), and transposon mutagenesis. Considerations for working with M. tuberculosis at Biosafety Level 3… (More)
New chemotherapeutics are urgently required to control the tuberculosis pandemic. We describe a new pathway from trehalose to alpha-glucan in Mycobacterium tuberculosis comprising four enzymatic steps mediated by TreS, Pep2, GlgE (which has been identified as a maltosyltransferase that uses maltose 1-phosphate) and GlgB. Using traditional and chemical… (More)
An attenuated Mycobacterium bovisRD1 deletion (DeltaRD1) mutant of the Ravenel strain was constructed, characterized, and sequenced. This M. bovis DeltaRD1 vaccine strain administered to calves at 2 weeks of age provided similar efficacy as M. bovis bacillus Calmette Guerin (BCG) against low dose, aerosol challenge with virulent M. bovis at 3.5 months of… (More)
Tuberculosis (TB) remains a global health burden for which safe vaccines are needed. BCG has limitations as a TB vaccine so we have focused on live attenuated Mycobacterium tuberculosis mutants as vaccine candidates. Prior to human studies, however, it is necessary to demonstrate safety in non-human primates (NHP). In this study, we evaluate the safety and… (More)
This unit includes protocols for the laboratory maintenance of Mycobacterium tuberculosis, including growth on liquid and solid media as well as recommendations for long-term strain storage. Considerations for working with M. tuberculosis at Biosafety Level 3 containment are also discussed.
UNLABELLED Specialized transduction has proven to be useful for generating deletion mutants in most mycobacteria, including virulent Mycobacterium tuberculosis. We have improved this system by developing (i) a single-step strategy for the construction of allelic exchange substrates (AES), (ii) a temperature-sensitive shuttle phasmid with a greater cloning… (More)
This unit includes protocols for the isolation of proteins from Mycobacterium tuberculosis. Considerations for working with M. tuberculosis at Biosafety Level 3 containment are also discussed.