ArticleJournal of clinical microbiology2014
Identification and clinical significance of Helcococcus species, with description of Helcococcus seattlensis sp. nov. from a patient with urosepsis.
Article in Journal of clinical microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 34 citations in OpenAlex.
- A tympanitis-related brain abscess caused by Helcococcus kunzii in China: a case report and literature review.BMC infectious diseases · 2025Review
- Pangenomic and biochemical analyses ofFrontiers in microbiology · 2024Article
- Microbiome differences between wild and aquarium whitespotted eagle rays (Aetobatus narinari).Animal microbiome · 2022Article
- Heat Stress Altered the Vaginal Microbiome and Metabolome in Rabbits.Frontiers in microbiology · 2022Article
- Article
- First Chinese case report of Helcococcus kunzii in a patient with diabetic foot.BMC infectious diseases · 2021Article
- Article
- Helcococcus ovis in a patient with an artificial eye: a case report and literature review.BMC infectious diseases · 2018Article
- Article
- Differential Analysis of the Nasal Microbiome of Pig Carriers or Non-Carriers of Staphylococcus aureus.PloS one · 2016Article
- In vitro antimicrobial susceptibility of Helcococcus kunzii and molecular analysis of macrolide and tetracycline resistance.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2015Article
- Identification and Clinical Significance of Helcococcus kunzii in Human Samples.Journal of clinical microbiology · 2015Article
- Infectious endocarditis caused by Helcococcus kunzii in a vascular patient: a case report and literature review.BMC infectious diseases · 2015Review
- Multi-drug resistant helcococcus-like organism isolated from a chest abscess.Infectious disease reports · 2015Article
- First Korean case of Helcococcus kunzii bacteremia in a patient with diabetes.Annals of laboratory medicine · 2014Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Helcococcus spp. are Gram-positive, catalase-negative, facultatively anaerobic cocci that are associated with wound and prosthetic joint infections as well bacteremia and empyema. Five Helcococcus spp. strains were isolated from our patient population, including 2 strains of Helcococcus kunzii from trauma-associated wounds, 2 Helcococcus sueciensis strains from blood and abscess, and a novel Helcococcus spp. strain from blood associated with urosepsis. Based on the phenotypic and phylogenetic evidence, we propose that the unknown bacterium be classified as Helcococcus seattlensis sp. nov. We found that all 5 tested Helcococcus strains grew as satellite colonies around Staphylococcus aureus and, interestingly, both H. kunzii strains were isolated together with S. aureus. In addition to 16S rRNA gene sequencing, conventional methods for leucine aminopeptidase (LAP) and pyrrolidonyl arylamidase (PYR) testing can be cost-effective and efficient for differentiation of Helcococcus spp. from Abiotrophia and Granulicatella species. Using nonstandard methods, we found that all tested Helcococcus spp. had high MICs of >4/76 μg/ml for trimethoprim-sulfamethoxazole, an antibiotic commonly used to treat urinary tract infections. High MICs for erythromycin, azithromycin, and clindamycin, and intermediate to high MICs for moxifloxacin, levofloxacin, and gentamicin were also observed among the Helcococcus strains.
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