Isolation of Corynebacterium aquaticum from spinal fluid of an infant with meningitis

Beckwith, David G.; Jahre, Jeffrey A.; Haggerty, S

doi:10.1128/jcm.23.2.375-376.1986

Cited by 26 publications

(13 citation statements)

References 5 publications

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“…xanthine meant clearing of the medium around the colonies after incubation for up to 1 week. Susceptibilities to antimicrobial agents.…”

Section: Methodsmentioning

confidence: 99%

“…In the guide of Hollis and Weaver for the identification of GPRs (11), "C. aquaticum" ranks third (after Corynebacterium diphtheriae and Listeria monocytogenes) with regard to the number of isolates tested for each species of GPR. In contrast, "C. aquaticum" has rarely been described as a cause of disease in humans, e.g., as an etiologic agent of bacteremia, endocarditis, meningitis, peritonitis, and urinary tract infection (1,3,12,13,17,27,30), or as a cause of pseudobacteremia (22).…”

mentioning

confidence: 99%

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Primary identification of Aureobacterium spp. isolated from clinical specimens as "Corynebacterium aquaticum"

1994

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Over a 6-year period 11 yellow-pigmented gram-positive rods (GPRs) with an oxidative carbohydrate metabolism were isolated from clinical specimens or were received as reference cultures and tentatively identified as "Corynebacterium aquaticum" according to the guide of Hollis and Weaver for the differentiation of GPRs (D. G. Hollis and R. E. Weaver, Gram-Positive Organisms: a Guide to Identification, 1981). Because these isolates seemed to be rather heterogeneous, comparative analyses with the type strain of "C. aquaticum" as well as six type strains of species belonging to the genus Aureobacterium were performed by biochemical and chemotaxonomic methods. Only four clinical strains were found to be "C. aquaticum," whereas seven strains were found to belong to the genus Aureobacterium. Discriminative phenotypic reactions between "C. aquaticum" and Aureobacterium spp. included hydrolysis of gelatin and casein (both reactions negative for "C. aquaticum" strains but positive for most Aureobacterium strains). Moreover, peptidoglycan analysis provided a reliable means of differentiating yellow-pigmented GPRs at the genus level (diaminobutyric acid as the interpeptide bridge in "C. aquaticum" and glycine-ornithine as the interpeptide bridge in Aureobacterium spp.). Antimicrobial susceptibility testing revealed that vancomycin showed an intermediate MIC for three of the four clinical "C. aquaticum" isolates, whereas all Aureobacterium strains were susceptible to vancomycin. To our knowledge, this is the first report outlining the isolation of Aureobacterium spp. from clinical specimens. However, Aureobacterium isolates could not be identified to the species level by the tests used in the study.

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“…xanthine meant clearing of the medium around the colonies after incubation for up to 1 week. Susceptibilities to antimicrobial agents.…”

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Primary identification of Aureobacterium spp. isolated from clinical specimens as "Corynebacterium aquaticum"

1994

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“…Remarkably, "C. aquaticum" ranks third (after C. diphtheriae and L. monocytogenes) in the Hollis-Weaver charts with regard to the number of isolates tested for each taxon (204), but this may be due to referral bias. It has been reported to be an agent of meningitis (24), bacteremia (227,295,453), CAPD peritonitis (57,297), and UTI (426) and has caused pseudobacteremia due to contamination of blood collection tubes as well (352). However, at least some of these case reports are doubtful from a diagnostic standpoint, as none of them included the above biochemical tests and/or chemotaxonomic investigations (especially detection of DAB), so that it remains unclear whether the strains were actually "C. aquaticum" or Aureobacterium spp.…”

Section: Genus Aureobacterium and "C Aquaticum"mentioning

confidence: 99%

Clinical microbiology of coryneform bacteria

et al. 1997

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Coryneform bacteria are aerobically growing, asporogenous, non-partially-acid-fast, gram-positive rods of irregular morphology. Within the last few years, there has been a massive increase in the number of publications related to all aspects of their clinical microbiology. Clinical microbiologists are often confronted with making identifications within this heterogeneous group as well as with considerations of the clinical significance of such isolates. This review provides comprehensive information on the identification of coryneform bacteria and outlines recent changes in taxonomy. The following genera are covered: Corynebacterium, Turicella, Arthrobacter, Brevibacterium, Dermabacter. Propionibacterium, Rothia, Exiguobacterium, Oerskovia, Cellulomonas, Sanguibacter, Microbacterium, Aureobacterium, "Corynebacterium aquaticum," Arcanobacterium, and Actinomyces. Case reports claiming disease associations of coryneform bacteria are critically reviewed. Minimal microbiological requirements for publications on disease associations of coryneform bacteria are proposed.

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“…This waterborne organism rarely causes human infections, but has been isolated from several different infected body sites. The first documented case of "C. aquaticum" meningitis has recently been reported in a neonate (14). Another neonate had a urinary tract infection with "C. aquaticum" 1 week after an uncomplicated vaginal delivery (222).…”

Section: Cdc Coryneform Group G-2mentioning

confidence: 99%