نتایج جستجو برای: mycobacteria
تعداد نتایج: 8178 فیلتر نتایج به سال:
The multilamellar lecithin-cholesterol liposomes entrapping carboxyfluorescence as a specific marker were prepared to be incubated with mycobacteria. The extent of resulting liposomal lysis was measured by marker release. Mycobacteria were highly active in this respect regardless of the species. Staphylococci were much less active and E. coli was completely inactive. Molecular species of lecith...
In many cases, bacterial pathogens are close relatives to nonpathogens. Pathogens seem to be limited lineages within nonpathogenic bacteria. Nonpathogenic isolates are generally more diverse and widespread in the environment and it is generally considered that environmental bacteria do not pose a risk to human health as clinical isolates do; this may not be the case with mycobacteria, but envir...
Mycobacterium chimaera, a nontuberculous mycobacterium (NTM) belonging to the Mycobacterium avium complex (MAC), is an opportunistic pathogen that can cause respiratory and disseminated disease. We report the complete genome sequence of a strain, SJ42, isolated from an immunocompromised male presenting with MAC pneumonia, assembled from Illumina and Oxford Nanopore data.
We evaluated the usefulness of PCR assays that target the internal transcribed spacer (ITS) region for identifying mycobacteria at the species level. The conservative and species-specific ITS sequences of 33 species of mycobacteria were analyzed in a multialignment analysis. One pair of panmycobacterial primers and seven pairs of mycobacterial species-specific primers were designed. All PCRs we...
Environmental mycobacteria are emerging pathogens causing opportunistic infections in humans and animals. The health impacts of human-mycobacterial interactions are complex and likely much broader than currently recognized. Environmental mycobacteria preferentially survive chlorination in municipal water, using it as a vector to infect humans. Widespread chlorination of water has likely selecte...
Tuberculosis (TB) is a dangerous infectious disease characterized by a tight interplay between mycobacteria and host cells in granulomatous lesions (granulomas) during the latent, asymptomatic stage of infection. Mycobacterium-host cell relationships were analyzed in granulomas obtained from various organs of BALB/c mice with chronic TB infection caused by in vivo exposure to the Bacillus Calme...
Freshly isolated human T lymphocytes were tested for their response to mycobacteria, mycobacterial lysates, 2 dimensional (2D) PAGE separated mycobacterial lysates, leishmania and defined leishmanial antigen preparations. While gamma delta T cells proliferated vigorously in the presence of mycobacteria and mycobacteria derived lysates, a significant stimulation from 2 D gel separated lysates wa...
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