Publications by authors named "Mitch Brittnacher"

Clostridium difficile (C. difficile) is an important nosocomial pathogen in adults and children. Roughly 4-5% of non hospitalized healthy adults carry the organism in their intestinal flora while adults in long term care facilities have asymptomatic carriage rates estimated at 20-50%.

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and other carbapenem-resistant members of the family are a major cause of hospital-acquired infections, yet the basis of their success as nosocomial pathogens is poorly understood. To help provide a foundation for genetic analysis of , we created an arrayed, sequence-defined transposon mutant library of an isolate from the 2011 outbreak of infections at the U.S.

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Unlabelled: We constructed a near-saturation transposon mutant library for Burkholderia thailandensis, a low-virulence surrogate for the causative agent of melioidosis (Burkholderia pseudomallei). A primary set of nearly 42,000 unique mutants (~7.5 mutants/gene) was generated using transposon Tn5 derivatives.

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Article Synopsis
  • Pathogenic bacteria use Trimeric Autotransporter Adhesins (TAAs) to adhere to host cells, which consist of a membrane anchoring domain and a passenger domain that helps with binding.* -
  • Researchers solved the crystal structure of the BpaA TAA head domain from Burkholderia pseudomallei, revealing a unique trimer structure made of both familiar and novel elements.* -
  • The findings about BpaA's modular structure offer insights into how pathogens evolve their adhesion mechanisms, which could lead to advancements in diagnostic techniques.*
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Large-insert genome analysis (LIGAN) is a broadly applicable, high-throughput technology designed to characterize genome-scale structural variation. Fosmid paired-end sequences and DNA fingerprints from a query genome are compared to a reference sequence using the Genomic Variation Analysis (GenVal) suite of software tools to pinpoint locations of insertions, deletions, and rearrangements. Fosmids spanning regions that contain new structural variants can then be sequenced.

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