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Microbiology Commons

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Full-Text Articles in Microbiology

Diversity And Activity Of Roseobacters And Roseophage, Charles Ryan Budinoff May 2012

Diversity And Activity Of Roseobacters And Roseophage, Charles Ryan Budinoff

Doctoral Dissertations

Bacteria of the Roseobacter lineage are dominant bacterioplankton in coastal systems and contribute significantly to secondary production in oceanic environments. Generalities of Roseobacter ecology, diversity, and distributions are known, but the intraspecific differences between species and their dynamics over short temporal periods is not well understood. Bacteriophage that infect Roseobacters (‘roseophage’) have the potential to shunt secondary production into the dissolved carbon pool and through the process of infection alter Roseobacter physiology. Despite their significance, little effort was made prior to the onset of this study to characterize roseophage. Using culture dependent and independent approaches, I describe the diversity and …


Role Of Surface Antigens Of Mycobacterium Spp. In Diagnosis, Ashutosh Wadhwa May 2012

Role Of Surface Antigens Of Mycobacterium Spp. In Diagnosis, Ashutosh Wadhwa

Doctoral Dissertations

Mycobacterial species are ubiquitous in nature and a worldwide concern for human and animal health. The major mycobacterial infections in animals are Johne’s disease (JD) and bovine tuberculosis (bTB). Controlling these infections is difficult due to the lack of highly sensitive and sensitive diagnostic test. Currently available diagnostic tests have to be carried out in laboratory settings with well experienced and trained examiners. My goal is to develop a sensitive on-site (in-field) device for diagnosis of Johne’s disease and bovine tuberculosis. The specific aims of this thesis were (1) to review currently-used or recently developed diagnostic tests for mycobacterial infections, …