نتایج جستجو برای: m simiae
تعداد نتایج: 538986 فیلتر نتایج به سال:
سابقه و هدف. از آنجایی که گونههای مختلف مایکوباکتریوم دارای الگوی حساسیت دارویی متفاوتی میباشند، شناسایی دقیق برای به کار گیری درمان صحیح ضروری است و نهایتاً می تواند بر نتیجه درمان بیمار موثر باشد. در میان روشهای مولکولی گوناگون استفاده از بررسی پلی مورفیسم حاصل از هضم آنزیمی محصول (pcr (praبر اساس ژن hsp65 به علت آسان بودن، سریع و ارزان بودن برای شناسایی ایزولههای پاتوژن مایکوباکتریومی تا ...
Diverse soil-resident bacteria can contribute to plant growth and health, but the molecular mechanisms enabling them to effectively colonize their plant hosts remain poorly understood. We used randomly barcoded transposon mutagenesis sequencing (RB-TnSeq) in Pseudomonas simiae, a model root-colonizing bacterium, to establish a genome-wide map of bacterial genes required for colonization of the ...
Nontuberculous mycobacteria are ubiquitous in the environment but rarely infect immunocompetent patients. We describe a pediatric case of Mycobacterium simiae complex lymphadenitis in an immunocompetent child and review the natural history, clinical manifestations, diagnosis, and current management of the disease.
Identification of tuberculous and nontuberculous mycobacteria by biochemical methods is a long-term process that takes up to 8 weeks for completion and requires expertise to interpret the results. In order to detect and differentiate the major pathogenic mycobacterial species, we developed genus-specific primers that amplify the dnaJ gene from the broad spectrum of mycobacterial species and det...
This 2-year cross-sectional evaluation of nontuberculous mycobacterial (NTM) infections involved all Israeli medical centers that treat cystic fibrosis patients. The study comprised 186 patients whose sputum was analyzed for NTM. The prevalence of NTM isolates was 22.6%, and 6.5% and 10.8% of the patients fulfilled the 1997 and 2007 American Thoracic Society criteria for NTM lung disease, respe...
There are at least two approaches to antileprosy vaccines : One is the use of Mycobacterium leprae derived from M. leprae-infected armadillos (1) and the other is the use of mycobacteria other than M. leprae, which share the antigenic determinants with M. leprae such as M. nonchromogenicum (2), M. vaccae (2), M. simiae (3), M. tuberculosis H37Ra (3), and M, bovis BCG (3). Shepard et al. (3) rep...
OBJECTIVE To investigate for the presence of mycobacteria at water dams of Albaha, Saudi Arabia. METHODS An epidemiological study was conducted between 20 - 30 June 2013 in the Albaha region, Kingdom of Saudi Arabia. Five hundred and twenty samples (sand, wet stones, clay, and decayed vegetation) were collected from 13 dams in the region. These locations were: 3 dams from Alaqiq city (Thrad, ...
A large diversity of Mycobacterium spp. has been isolated from striped bass Morone saxatilis in Chesapeake Bay, USA. The new species M. shottsii and M. pseudoshottsii are the dominant isolates, while the classical fish pathogen M. marinum is found much less frequently. M. fortuitum and M. chelonae, other Mycobacterium spp. known to commonly infect fishes, have not yet been aseptically isolated ...
Fourteen mycobacterial strains isolated from pulmonary samples of independent patients in the state of Pará (Brazil), and three strains isolated in Italy, were characterized using a polyphasic approach. Thorough genetic investigation, including whole-genome sequencing, demonstrated that the strains belong to the M. simiae complex, being most closely related to Mycobacterium interjectum. For 14 ...
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