Relationships between the physiological characteristics and pathogenicity of Nocardia brasiliensis

Komaid, Aida van Gelderen de; Laborda, R. Runco de; Salim, R.; Almendro, G.; Silva, J.

doi:10.1007/bf00431011

Mycopathologia

1987

DOI: 10.1007/bf00431011

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Relationships between the physiological characteristics and pathogenicity of Nocardia brasiliensis

Aida van Gelderen de Komaid

R. Runco de Laborda

R. Salim

et al.

Abstract: The analysis of 19 physiological properties of 28 strains of Nocardia brasiliensis isolated from soil reveal differences which could be of great value in distinguishing pathogenic from nonpathogenic strains.

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Physiological and pathogenic characteristics of Nocardia brasiliensis isolated from human mycetomas

Komaid

1989

Mycopathologia

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A previous analysis of the physiological properties of Nocardia brasiliensis strains isolated from soil of Tucumán proves that non-pathogenic strains have a different behaviour pattern from the pathogenic strains. In the present paper, 16 Nocardia brasiliensis strains isolated from human mycetomas were studied in the same way. The object is to determine if any of the Nocardia brasiliensis present in soil can produce human mycetomas. The macro and micromorphological, biochemical (17 tests), physiological (4 tests) and pathological characteristics were determined for each of the strains. Experimental pathogenicity was determined using albino Swiss mice by inoculation into the footpads. The strains of Nocardia brasiliensis that cause human mycetomas have the same physiological pattern and experimental pathogenicity as the virulent strains present in soil.

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Physiological and pathogenic characteristics of Nocardia brasiliensis isolated from human mycetomas

Komaid

1989

Mycopathologia

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Potential for breath test diagnosis of urease positive pathogens in lung infections

Bishai

Timmins

2019

J. Breath Res.

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Roles for urease in virulence are accepted for Helicobacter pylori and urinary tract pathogens. However, urease is widely expressed by bacterial and fungal lung pathogens causing emerging and opportunistic lung infections, organisms causing acute exacerbations of chronic bronchitis, mycobacterial lung diseases such as tuberculosis (TB), and ventilator associated pneumonia and health care associated pneumonia. Detection of urease provides a method for rapid in vivo detection of these lung pathogens by inhaled 13C- breath test, and this review discusses the range of lung pathogens that might be amenable to rapid diagnosis.

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Relationships between the physiological characteristics and pathogenicity of Nocardia brasiliensis

Abstract: The analysis of 19 physiological properties of 28 strains of Nocardia brasiliensis isolated from soil reveal differences which could be of great value in distinguishing pathogenic from nonpathogenic strains.

Cited by 2 publications

References 3 publications

Physiological and pathogenic characteristics of Nocardia brasiliensis isolated from human mycetomas

Physiological and pathogenic characteristics of Nocardia brasiliensis isolated from human mycetomas

Potential for breath test diagnosis of urease positive pathogens in lung infections

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