| pulmonary disease caused by mycobacterium asiaticum. | a 62-year-old male residing in los angeles, california, presented with a right upper lobe nodule associated with dry cough and weight loss. mycobacterium asiaticum was isolated from sputum on two separate occasions. the patient was subsequently treated with four antituberculous drugs, with bacteriologic conversion. this is the first report of pulmonary disease caused by m. asiaticum in the united states. the bacteriologic, immunologic and clinical aspects are reviewed. | 1990 | 2267684 |
| [infections due to mycobacterium simiae, mycobacterium asiaticum and mycobacterium shimoidei]. | | 1988 | 3043074 |
| identification of mycobacteria by specific precipitation of catalase with absorbed sera. | cross-absorbed antisera have been prepared against catalase from reference strains of mycobacterium asiaticum, mycobacterium gordonae, mycobacterium scrofulaceum, mycobacterium simiae, and mycobacterium szulgai. a total of 61 strains of mycobacteria were grown in small volumes of liquid medium and disrupted in sealed tubes in a cup horn sonicator, and the extracts were tested by a seroprecipitation technique against each of the reference antibody preparations. all 35 strains that belonged to one ... | 1985 | 3998101 |
| a new mycobacterium species: mycobacterium asiaticum n. sp. | | 1971 | 5006093 |
| mycolic acid patterns of some species of mycobacterium. | representative strains of some species of mycobacterium were degraded by both acid and alkaline methanolysis. two-dimensional thin-layer chromatography was used to determine the patterns of mycolic acids and other long-chain components in these methanolysates. patterns composed of alpha-, methoxy- and ketomycolates were found in mycobacterium asiaticum, mycobacterium bovis, mycobacterium gastri, mycobacterium gordonae, mycobacterium kansasii, mycobacterium marinum and mycobacterium tuberculosis; ... | 1984 | 6517656 |
| mycobacterium simiae and related mycobacteria. | fifty mycobacterial strains were isolated from freshly imported tuberculin-negative macacus rhesus and cercopithecus ethiops monkeys. of these strains, 14 were identified as mycobacterium simiae and 4, as mycobacterium asiaticum. these two species are slow growing with a delayed photochromogenicity. m. simiae is niacin-positive. both species are resistant to the antituberculous chemotherapeutic compounds streptomycin, isoniazid, p-aminosalicylate, and rifampin but are sensitive to cycloserine. t ... | 1981 | 6803323 |
| mycobacterium asiaticum as a potential pulmonary pathogen for humans. a clinical and bacteriologic review of five cases. | mycobacterium asiaticum was isolated from pulmonary material from 5 persons residing in queensland, australia. all patients had repeated positive specimens, but the organism was considered responsible for pulmonary mycobacteriosis in only 2 of them. this is the first report of disease caused by m. asiaticum. clinical, bacteriologic, and epidemiologic details are presented. | 1983 | 6830042 |
| mixed mycobacterial infections. | a pathologic event in humans or animals that involves the participation of two or more species of mycobacteria may be designated as a mixed mycobacterial infection. in the majority of cases of such mixed infection, mycobacterium tuberculosis is found with one of the atypical mycobacteria. the allergic and immune reactions produced by mycobacterium simiae, mycobacterium asiaticum, and mycobacterium chelonei in guinea pigs was studied. sensitins that were prepared from cultures of these microorgan ... | 1981 | 7339808 |
| mycobacterium asiaticum as the probable causative agent in a case of olecranon bursitis. | mycobacterium asiaticum was isolated from fluid aspirated from an olecranon bursa that had become inflamed following a superficial injury. other possible causes of the inflammation were excluded. no specific antimycobacterial therapy was given. the infection responded to drainage, regular dressing, and immobilization. our experience suggests that m. asiaticum is a potential cause of infection of the joints and surrounding tissues. | 1995 | 7790435 |
| identification of mycobacterium species by using amplified ribosomal dna restriction analysis. | a rapid procedure for the identification of cultured mycobacterium isolates, based on the combination of enzymatic amplification and restriction analysis, is described. the 16s rrna genes (rdna) of 99 strains belonging to 18 different species of the genus mycobacterium were enzymatically amplified. amplified rdna restriction analysis with the enzymes cfoi, mboi, and rsai was carried out. the combination of the amplified rdna restriction analysis patterns obtained after restriction with cfoi and ... | 1993 | 8396586 |
| nucleotide sequence analysis and serologic characterization of a 27-kilodalton mycobacterium intracellulare lipoprotein. | disseminated mycobacteremia resulting from mycobacterium avium-mycobacterium intracellulare complex (mac) infections frequently contribute to the morbidity and mortality seen in aids patients. to better understand the immunopathology of mac disease and to identify molecules that may have potential diagnostic and vaccine utility, an immunoreactive m. intracellulare protein (mi43) and the gene encoding this antigen were characterized. southern blot hybridizations demonstrated that mi43 gene probes ... | 1993 | 8432589 |
| flexor tenosynovitis due to mycobacterium asiaticum. | mycobacteria other than tuberculosis infections of the hand are seen with increasing frequency. a case of mycobacterium asiaticum flexor tenosynovitis is described. successful management included radical flexor tenosynovectomy and therapy with oral minocycline and clarithromycin. | 1998 | 9708394 |
| assessment of morphology for rapid presumptive identification of mycobacterium tuberculosis and mycobacterium kansasii. | mycobacterium tuberculosis often exhibits serpentine cording when grown in liquid medium, whereas mycobacterium kansasii can be larger and cross-barred. we assessed the use of these morphologic characteristics as a cost-effective method for rapid presumptive identification of isolates from bactec bottles. without specific training, using the kinyoun acid-fast stain, definitive cording was found in 237 of 373 specimens positive for m. tuberculosis (64%) and cross-barring was recognized within 63 ... | 2000 | 10747119 |
| mycobacterium kubicae sp. nov., a slowly growing, scotochromogenic mycobacterium. | a previously uncharacterized, slowly growing, scotochromogenic mycobacterium species was detected by hplc analysis of the cell-wall-bound mycolic acids. the mycolic acid pattern standard was shown to be a late-eluting, contiguous peak cluster occurring at approximately 8-9 min. the mycolic acid pattern was noted to be most similar in number of peaks and range of elution to that reported previously for mycobacterium asiaticum. however, the relative distribution of peaks within the elution range d ... | 2000 | 11034491 |
| [disseminated infection with mycobacterium asiaticum]. | | 2000 | 11232542 |
| gas-chromatographic lipid profiles in identification of currently known slowly growing environmental mycobacteria. | cellular fatty acid analysis by glc is widely used in the species identification of mycobacteria. combining mycolic acid cleavage products with shorter cellular fatty acids increases the informative value of the analysis. a key has been created to aid in the identification of all currently known slowly growing environmental species. in this scheme, the species are classified into six categories, each characterized by a combination of fatty markers shared by those species. within each category, i ... | 2003 | 12676870 |
| pyogranuloma caused by mycobacterium asiaticum infection in a steer. | in 2003, a steer carcass was condemned at a central queensland abattoir because of metastatic tumors. in addition, a granulomatous lesion was found in the mediastinal lymph node. histological examination showed this to be a pyogranuloma, typically associated with rhodococcus or the nocardia/streptomyces group. however, in this case, the only etiological agent was an acid-fast bacillus, which would normally be associated with a more fibrous lesion. a number of nucleic acid-based techniques were u ... | 2005 | 16130999 |
| mycobacterium asiaticum infection in a red-handed tamarin (saguinus midas). | a 4-yr-old, intact male red-handed tamarin (saguinus midas) was evaluated because of a 6-mo history of an enlarging axillary mass. diagnostic findings included a positive intradermal tuberculin test, persistent severe leukocytosis, and hyperglobulinemia. a nontuberculous mycobacterium species isolated from the mass was identified as mycobacterium asiaticum using 16s ribosomal dna sequencing and high-performance liquid chromatography. | 2006 | 17319146 |
| clinical significance of mycobacterium asiaticum isolates in queensland, australia. | mycobacterium asiaticum was first reported as a cause of human disease in 1982, with only a few cases in the literature to date. this study aims to review the clinical significance of m. asiaticum isolates in queensland, australia. a retrospective review (1989 to 2008) of patients with m. asiaticum isolates was conducted. data were collected through the queensland tb control centre database. disease was defined in accordance with the american thoracic society criteria. twenty-four patients (13 f ... | 2010 | 19864478 |
| [distribution of potential pathogenic bacteria in the jiulong river watershed]. | recently, the human activities including economic growth and urbanization posed serious environmental health risks to the jiulong river watershed (jrw). in order to gain a full understanding of the distribution of potential pathogenic bacteria (ppb) in this area, we used 16s rrna amplicon pyrosequencing technology to investigate planktonic and benthic bacterial community in two main tributaries (north river, nr, and west river, wr) of the jiulong river (jr). at the genus level, a total of 68 gen ... | 2014 | 25055661 |
| nontuberculous mycobacteria in respiratory samples from patients with pulmonary tuberculosis in the state of rondônia, brazil. | the main cause of pulmonary tuberculosis (tb) is infection with mycobacterium tuberculosis (mtb). we aimed to evaluate the contribution of nontuberculous mycobacteria (ntm) to pulmonary disease in patients from the state of rondônia using respiratory samples and epidemiological data from tb cases. mycobacterium isolates were identified using a combination of conventional tests, polymerase chain reaction-based restriction enzyme analysis of hsp65 gene and hsp65 gene sequencing. among the 1,812 ca ... | 2013 | 23827995 |
| mycobacterium alsense sp. nov., a scotochromogenic slow grower isolated from clinical respiratory specimens. | the name 'mycobacterium alsiense', although reported in 2007, has not been validly published. polyphasic characterization of three available strains of this species led us to the conclusion that they represent a distinct species within the genus mycobacterium. the proposed novel species grows slowly and presents pale yellow-pigmented colonies. differentiation from other mycobacteria is not feasible on the basis of biochemical and cultural features alone while genetic analysis, extended to eight ... | 2016 | 26545358 |
| the water environment as a source of potentially pathogenic mycobacteria. | nontuberculous mycobacteria (ntm) are ubiquitous organisms of a wide variety of environmental reservoirs, including natural and municipal water, soil, aerosols, protozoans, animals and humans. several of these species are potential pathogens which affect human health. the aim of this study was to determine the occurrence of ntm in the water environment. samples were taken from 13 water-related facilities including fish ponds, storage ponds, drinking water reservoirs and an experimental recircula ... | 2014 | 24937219 |
| draft genome sequence of mycobacterium asiaticum strain dsm 44297. | we report the draft genome sequence of mycobacterium asiaticum strain dsm 44297, a tropical mycobacterium seldom responsible for human infection. the genome of m. asiaticum has a size of 5,935,986 bp, with a 66.03% g+c content, encoding 5,591 proteins and 81 rnas. | 2014 | 24744338 |
| drug susceptibility of 33 reference strains of slowly growing mycobacteria to 19 antimicrobial agents. | objectives. slowly growing mycobacteria (sgm) are prevalent worldwide and cause an extensive spectrum of diseases. methods. in this study, the antimicrobial susceptibility of 33 reference strains of sgm to 19 antimicrobial agents was tested using a modified microdilution method. results. cefmetazole (32/33) and azithromycin (32/33) exhibited the highest antimicrobial activity, and dapsone (9/33) exhibited the lowest activity against the tested strains. cefoxitin (30/33), cefoperazone (28/33), an ... | 2017 | 28512635 |