Articles with "streptococci" as a keyword



Macrolide resistance is pervasive in oral streptococci in the Belgian general population: a cross-sectional survey.

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Published in 2024 at "Journal of medical microbiology"

DOI: 10.1099/jmm.0.001932

Abstract: Background. Commensal streptococci are common inhabitants of the oral microbiome and regulate its structure and function in beneficial ways for human health. They can, however, also be opportunistic pathogens and act as a reservoir of… read more here.

Keywords: macrolide; resistance; belgian general; streptococci ... See more keywords

Tracing of streptococcal strains from infant stools across human body sites links site-specific prevalence to adhesins

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Published in 2025 at "Applied and Environmental Microbiology"

DOI: 10.1128/aem.00196-25

Abstract: ABSTRACT Streptococci colonize various human body sites, both as commensals and as pathogens. They are early gut colonizers, but we lack strain-level information about the origin and persistence of streptococci in the non-diseased gut. To… read more here.

Keywords: human body; body sites; streptococci; strain level ... See more keywords

The Yin and Yang of Streptococcus Lung Infections in Cystic Fibrosis: a Model for Studying Polymicrobial Interactions

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Published in 2019 at "Journal of Bacteriology"

DOI: 10.1128/jb.00115-19

Abstract: The streptococci are increasingly recognized as a core component of the cystic fibrosis (CF) lung microbiome, yet the role that they play in CF lung disease is unclear. The presence of the Streptococcus milleri group… read more here.

Keywords: streptococcus; lung; cystic fibrosis; streptococci ... See more keywords

Glycerol metabolism contributes to competition by oral streptococci through production of hydrogen peroxide

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Published in 2024 at "Journal of Bacteriology"

DOI: 10.1128/jb.00227-24

Abstract: ABSTRACT As a biological byproduct from both humans and microbes, glycerol’s contribution to microbial homeostasis in the oral cavity remains understudied. In this study, we examined glycerol metabolism by Streptococcus sanguinis, a commensal associated with… read more here.

Keywords: commensal; competition; metabolism; streptococci ... See more keywords

Microbiological Epidemiology of Invasive Infections Due to Non-Beta-Hemolytic Streptococci, France, 2021

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Published in 2023 at "Microbiology Spectrum"

DOI: 10.1128/spectrum.00160-23

Abstract: NBHS are recognized as opportunistic pathogens particularly involved in infections of the elderly and immunocompromised patients. This study underlines their importance as common causes of severe and difficult-to-treat infections such as endocarditis. ABSTRACT Non-beta-hemolytic streptococci… read more here.

Keywords: streptococcus; streptococci; invasive infections; epidemiology ... See more keywords

Phenotypic and genotypic characteristics of macrolide, lacosamide, and streptogramin resistance in clinically resistant Streptococci and their correlation with reduced biocide susceptibility

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Published in 2025 at "BMC Medicine"

DOI: 10.1186/s12916-025-04097-9

Abstract: Gram-positive Streptococci is a huge group of different species that are classified based on its hemolytic effect besides the C-substance in the cell wall. This study focuses on the investigation of the prevalence and genetic… read more here.

Keywords: resistance; susceptibility; reduced biocide; mls antibiotics ... See more keywords

Competence shut-off by intracellular pheromone degradation in salivarius streptococci

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Published in 2022 at "PLoS Genetics"

DOI: 10.1371/journal.pgen.1010198

Abstract: Competence for DNA transformation is a major strategy for bacterial adaptation and survival. Yet, this successful tactic is energy-consuming, shifts dramatically the metabolism, and transitory impairs the regular cell-cycle. In streptococci, complex regulatory pathways control… read more here.

Keywords: competence; pheromone degradation; salivarius; streptococci ... See more keywords

Antibacterial Properties of Small-Size Peptide Derived from Penetratin against Oral Streptococci

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Published in 2021 at "Materials"

DOI: 10.3390/ma14112730

Abstract: Periodontitis, an infectious disease originating from dental biofilms that causes the irreversible loss of alveolar bone, is accompanied by gradual biofilm formation and the continuous progression of inflammation. A small peptide derived from penetratin, Arg-Gln-Ile-Arg-Arg-Trp-Trp-Gln-Arg-NH2… read more here.

Keywords: antibacterial properties; properties small; peptide derived; arg ... See more keywords

The Antimicrobial Potential of the Hop (Humulus lupulus L.) Extract against Staphylococcus aureus and Oral Streptococci

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Published in 2024 at "Pharmaceuticals"

DOI: 10.3390/ph17020162

Abstract: Plant extracts are in the focus of the pharmaceutical industry as potential antimicrobials for oral care due to their high antimicrobial activity coupled with low production costs and safety for eukaryotic cells. Here, we show… read more here.

Keywords: hop; streptococci; humulus lupulus; hop humulus ... See more keywords