Neonatal<i>Granulicatella elegans</i>Bacteremia, London, UK

Quartermain, Leah; Tailor, Hiteshkumar; Njenga, Salome; Bhattacharjee, Parijat; Rao, G. Gopal

doi:10.3201/eid1907.130009

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…From the literature search, we retrieved 10 articles published between 2001 and 2022, and only 4 [18][19][20][21] were eligible for inclusion in our review. Five cases of bacteriemia due to Granulicatella spp.…”

Section: Resultsmentioning

confidence: 99%

“…In our review, we only included three cases of IE due to G. species with full data available. However, references to a few other cases of IE due to NSV in patients who were less than 15 years old were also identified without the necessary data for their evaluation [20,35,36], suggesting that the role of G. species as a pathogen in endocarditis could be underestimated.…”

Section: Discussionmentioning

confidence: 99%

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Granulicatella spp., a Causative Agent of Infective Endocarditis in Children

et al. 2022

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Granulicatella spp. are non-motile, non-sporulating, facultatively anaerobic Gram-positive cocci. Throughout the literature, these organisms have been referred to by several names, such as “nutritionally deficient streptococci”, “vitamin-B dependent streptococci” and “pyridoxal-dependent streptococci”, because of their fastidious nutritional requirements, which can often make culture isolation challenging. Known to be a member of the normal microbiota of the human oral cavity and urogenital and intestinal tracts, similar to other streptococci, Granulicatella spp. can cause bacteremia, sepsis and infective endocarditis. Considering the difficulty in growing this organism on culture medium, the fact that it is now included among the bacteria known to be responsible for culture-negative infective endocarditis suggests that its pathogenic role could be highly underestimated. Moreover, being considered such a rare causative agent, it is not a target of standard antibiotic empiric treatment. We present a rare case of G. elegans endocarditis in a young child and review the medical literature on Granulicatella endocarditis in the pediatric population, with the aim of sharing knowledge about this microorganism, which can be challenging for a clinician who is not familiar with it.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Granulicatella spp., a Causative Agent of Infective Endocarditis in Children

et al. 2022

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The Family Carnobacteriaceae

Lawson¹,

Caldwell²

2014

The Prokaryotes

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Bacterial diversity of artisanal cheese from the Amazonian region of Brazil during the dry and rainy seasons

Martins

Freitas

Deuvaux

et al. 2018

Food Research International

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The microbiota from artisanal cheeses produced in the Amazonian region is evaluated. Samples of artisanal cheeses were obtained from markets in Conceição do Araguaia and Redenção (Pará, Brazil) over rainy and dry seasons, and their biodiversity was assessed by culture-dependent and culture-independent methods. Mean counts of lactic acid bacteria (LAB) in cheeses ranged from 7.32 to 8.84 log CFU/g, for both seasons. Members of genera Lactobacillus, Lactococcus, Weissella, Enterococcus, Pediococcus, and Leuconostoc were predominant. The amplification of the 16S rRNA V6-V9 region, followed by a temporal temperature-gradient gel electrophoresis (TTGE) and sequencing of the TTGE bands revealed important differences in the microbial composition variability between samples from the two seasons and among cheese samples analyzed. TTGE showed the presence of microorganisms that are frequently found in cheese, such as L. lactis subsp. lactis, as well as other non-usual species, such as Macrococcus caseolyticus and Corynebacterium variabile. Moreover, TTGE analysis revealed the presence of microorganisms that have been isolated from other types of foods (Paralactobacillus selangorenses) along with some not usually found in foods, such as Exiguobacterium acetylicum, plus the presence of pathogenic microorganisms (Granulicatella elegans and Aerococcus sanguinicola). The present molecular approaches combined with culture-dependent methods provided a more detailed description of the microbial ecology of traditional cheeses from the Amazonian region in northern Brazil.

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NeonatalGranulicatella elegansBacteremia, London, UK

Cited by 3 publications

References 7 publications

Granulicatella spp., a Causative Agent of Infective Endocarditis in Children

Granulicatella spp., a Causative Agent of Infective Endocarditis in Children

The Family Carnobacteriaceae

Bacterial diversity of artisanal cheese from the Amazonian region of Brazil during the dry and rainy seasons

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