Lower respiratory tract infections due to non-diphtheria corynebacteria in 8 patients with underlying lung diseases.

Rikitomi, Naoto; Nagatake, Tsuyoshi; Matsumoto, Keizō; Watanabe, Kiwao; Mbaki, Nsiala

doi:10.1620/tjem.153.313

Cited by 15 publications

(5 citation statements)

References 17 publications

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“…In some developed countries, a number of Corynebacterium species have been isolated from humans and animals [2,3,5,6,7,9,[27][28][29][30][31][32]. Although in some cases it is difficult to link infections with the source of contamination, there is evidence that these organisms are highly prevalent in sheep and goat populations [33,34].…”

Section: Discussionmentioning

confidence: 99%

“…Bacteria belonging to the genus Corynebacterium can be found in a wide range of ecological niches such as dairy products, soil, sewage, plant surfaces, and aquatic environments [2]. Bacteria in this genus have morphological resemblance to diphtheria bacillus [3]. Corynebacterium species share phenotypic traits that are easily determined and these include positive reactions for the catalase test, Gram positive rod shaped, pleomorphic, non-spore forming, non-motile, and nonacid fast bacilli [4].…”

Section: Introductionmentioning

confidence: 99%

“…Corynebacterium species cause diseases respiratory tract, wound and skin infections in humans [3,8]. These bacteria are easily transmitted through droplets, contact contaminated mucous membranes and skin abrasions [8].…”

Section: Introductionmentioning

confidence: 99%

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Isolation of <i>Corynebacterium</i> Species from Retail Mutton and Lamb in the North West Province, South Africa

Dlamini¹,

Ateba²

2014

JFNR

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Corynebacterium species occur as part of the normal flora of animals and humans and there is very little information on the diversity and host range of these pathogens. Despite this, some Corynebacterium species have been reported to cause infections in both animals and humans. Infections usually result from the consumption of contaminated food products such as meat and milk as well as contact with infected animals. The aim of study was to isolate, identify and characterize Corynebacterium species from retail meat products obtained from some supermarkets in the North West Province, South Africa. A total of 25 mutton and lamb meat samples were purchased from some supermarket and butcheries in the North West Province, South Africa and bacteria was isolated using Colombia agar supplemented with 5% (w/v) bovine blood. Seventy five presumptive Corynebacterium isolates were obtained based on colonial morphology and these isolates were screened for characters of Corynebacterium species. Amongst these, 67 isolates were catalase positive while 54 were Gram positive rods. Twenty four representative isolates were not able to utilize urea and ferment glucose and maltose respectively. However 19 (79.2%) of these isolates were able to utilize nitrate and33% were positively identified as Corynebacterium species using API Coryne assay. Eleven percent of the isolates were positively identified as Corynebacterium species by 16S specific rRNA PCR analysis. From these results it was evident that Corynebacterium species were present in the raw meat products and the meat products could pose severe health risks to consumers, especially individuals who are immuno-compromised. This therefore amplifies the need to implement strict measures that limit the transmission of these pathogens through the food chain to consumers. Moreover, constant assessments of the health risks associated with contaminated food products in the South African market should be performed on routine basis.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Isolation of <i>Corynebacterium</i> Species from Retail Mutton and Lamb in the North West Province, South Africa

Dlamini¹,

Ateba²

2014

JFNR

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“…Based on its natural localization in the oropharyngeal tract, infections of the respiratory tract such as acute and chronic bronchitis, acute exacerbation of bronchiectasis, pneumonia and necrotizing tracheitis were reported. [11][12][13][14][15][16][17] Together with Corynebacterium striatum and Corynebacterium propinquum, two closely related species, C. diphtheriticum forms a group of emerging respiratory pathogens, especially in patients with pre-existing chronic respiratory infections.…”

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confidence: 99%

Corynebacterium pseudodiphtheriticum: Putative probiotic, opportunistic infector, emerging pathogen

Burkovski

2015

Virulence

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“…Several pathogenic Corynebacterium spp. have been identified, and nosocomial Corynebacterium infection has garnered substantial attention [ 2 3 ]. For example, 281 cases of Corynebacterium infections associated with prosthetic devices, including central venous catheters (CVCs), have been reported [ 4 ].…”

mentioning

confidence: 99%

Central Venous Catheter-Related Bloodstream Infection by Corynebacterium striatum Identified by 16S rRNA and rpoB Gene Sequencing

et al. 2015

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Lower respiratory tract infections due to non-diphtheria corynebacteria in 8 patients with underlying lung diseases.

Cited by 15 publications

References 17 publications

Isolation of <i>Corynebacterium</i> Species from Retail Mutton and Lamb in the North West Province, South Africa

Isolation of <i>Corynebacterium</i> Species from Retail Mutton and Lamb in the North West Province, South Africa

Corynebacterium pseudodiphtheriticum: Putative probiotic, opportunistic infector, emerging pathogen

Central Venous Catheter-Related Bloodstream Infection by Corynebacterium striatum Identified by 16S rRNA and rpoB Gene Sequencing

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