نتایج جستجو برای: tuberculous mycobacteria
تعداد نتایج: 17434 فیلتر نتایج به سال:
Infections with mycobacteria other than tubercle bacilli are responsible for a variable percentage of cross-reactions to tuberculin. Two major suggestions for circumventing this problem have been made: the first, development of a quantitative tuberculin test, is based on the fact that most cross-reactions are smaller than those caused by true tuberculous infections; the second, preparation of p...
Mycobacteria pose a threat to the world health today, with pathogenic and opportunistic bacteria causing tuberculosis and non-tuberculous disease in large parts of the population. Much is still unknown about the interplay between bacteria and host during infection and disease, and more research is needed to meet the challenge of drug resistance and inefficient vaccines. This work establishes a ...
Data on the occurrence of non-tuberculous mycobacteria (NTM), in parallel with those obtained for bacterial indicators and amoebae, are presented with the aim to collect information on the spread of NTM in drinking water distribution systems in Italy. Samples were collected from taps of hospitals and households in Central and Southern Italy. The concentration values obtained for the more tradit...
Microbial pathogens adapt to the stress of infection by regulating transcription, translation and protein modification. We report that changes in gene expression in hypoxia-induced non-replicating persistence in mycobacteria-which models tuberculous granulomas-are partly determined by a mechanism of tRNA reprogramming and codon-biased translation. Mycobacterium bovis BCG responded to each stage...
Osteomyelitis is a bone infection caused by bacteria or other germs. Gram-positive cocci are the most common etiological organisms of calcaneal osteomyelitis; whereas, non-tuberculous mycobacteria (NTM) are rarely documented. We reported a case of NTM calcaneal osteomyelitis in a 51-year-old female patient. She had been previously treated in many local clinics with multiple local steroid inject...
Prosthetic joint infection (PJI) occurs with significant morbidity and health care expenditure. Transplant recipients on immunosuppressive medications are at increased risk for infections caused by less common organisms at unusual sites. Here we report a case of isolated PJI with Mycobacterium avium complex (MAC) in an immunosuppressed failed kidney transplant recipient and review the literatur...
introduction many studies have shown epidemiological links between strains isolated in tap water, and those isolated from patients. molecular methods linked to pcr are more reliable and faster for identification of non- tuberculous mycobacteria(ntm). in this study molecular methods were used for identification and typing of ntm. materials and methods five hundred ml of 85 water samp...
In order to audit United Kingdom laboratory diagnostic and reference services including novel molecular methods for tuberculosis, a questionnaire was sent to laboratories submitting specimens to the PHLS Mycobacterium Reference Unit (MRU) and regional centres and to the Scottish Mycobacteria Reference Laboratory (SMRL) in 1996-7. Nationally, 67.2% of laboratories responded. Most UK laboratories...
BACKGROUND Xpert® MTB/RIF is a molecular test for the detection of Mycobacterium tuberculosis and rifampicin resistance. It is considered to be a great advance over smear microscopy and culture. However, there is very little information regarding the performance characteristics of Xpert MTB/RIF in Malawi. OBJECTIVE We aimed to evaluate the performance of Xpert MTB/RIF in a Malawian setting. ...
ObjectiveTo evaluate the clinical diagnostic value of positive acid-fast staining combined with negative GeneXpert MTB/RIF in diagnosis non-tuberculous mycobacteria pulmonary disease (NTM-PD).MethodsA total 133 inpatients confirmed NTM-PD were included consecutively between January 1, 2018 and December 31, 2019, at Tongji Hospital Jinyintan Hospital, Medical College Huazhong University Science ...
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