نتایج جستجو برای: h marinum
تعداد نتایج: 531781 فیلتر نتایج به سال:
OBJECTIVES The major advantages of Drosophila melanogaster are a well-characterized immune system and high degree of susceptibility to tuberculosis caused by Mycobacterium marinum. The D. melanogaster-M. marinum infection model is gaining momentum as a screening tool because it is genetically amenable, low priced, rapid, technically convenient and ethically acceptable. In this context, the aim ...
Mycobacterium marinum is a close relative of the obligate human pathogen Mycobacterium tuberculosis. As with M. tuberculosis, M. marinum causes intracellular infection of poikilothermic vertebrates and skin infection in humans. It is considered a valid model organism for the study of intracellular pathogenesis of mycobacteria. Low transformation efficiencies for this species have precluded appr...
Although Mycobacterium marinum is closely related to Mycobacterium tuberculosis H37Rv genomically, the clinical outcome in humans is quite different for M. marinum and M. tuberculosis infections. We investigated possible factors in the host macrophages for determining differential pathological responses to M. tuberculosis and M. marinum using an in vitro model of mycobacterial infection. Using ...
Mycobacterium marinum, a close relative of Mycobacterium tuberculosis is being used to study mycobacterial pathogenesis. M. marinum causes a systemic tuberculosis-like infection and disease in ectotherms such as frogs and fish. This review describes the development of M. marinum as a model pathogen and the more recent development of genetically tractable model hosts, namely the zebrafish, Droso...
The zebrafish, a genetically tractable model vertebrate, is naturally susceptible to tuberculosis caused by Mycobacterium marinum, a close genetic relative of the causative agent of human tuberculosis, Mycobacterium tuberculosis. We previously developed a zebrafish embryo-M. marinum infection model to study host-pathogen interactions in the context of innate immunity. Here, we have constructed ...
Both in vivo and in vitro, Mycobacterium marinum organisms were found to multiply within phagolysosomes of murine macrophages. It thus appears that M. marinum are neither killed nor inhibited from multiplying by lysosomal enzymes.
Mycobacterium marinum, a ubiquitous pathogen of fish and amphibia, is a near relative of Mycobacterium tuberculosis, the etiologic agent of tuberculosis in humans. The genome of the M strain of M. marinum comprises a 6,636,827-bp circular chromosome with 5424 CDS, 10 prophages, and a 23-kb mercury-resistance plasmid. Prominent features are the very large number of genes (57) encoding polyketide...
The post-challenge immune and histopathologic responses of hybrid striped bass vaccinated with a DNA vaccine encoding the Mycobacterium marinum Ag85A gene and subsequently challenged with M. marinum were investigated. Juvenile hybrid striped bass Morone saxatilis x M. chrysops were injected intramuscularly with 25 or 50 microg DNA plasmid and developed significant specific protective responses ...
BACKGROUND Although mycobacterial glycolipids are among the first-line molecules involved in host-pathogen interactions, their contribution in virulence remains incomplete. Mycobacterium marinum is a waterborne pathogen of fish and other ectotherms, closely related to Mycobacterium tuberculosis. Since it causes tuberculosis-like systemic infection it is widely used as a model organism for study...
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