Results 21 to 30 of about 165,577 (48)

Quorum Sensing Regulation of Competence and Bacteriocins in Streptococcus pneumoniae and mutans

open access: yesGenes, 2017
The human pathogens Streptococcus pneumoniae and Streptococcus mutans have both evolved complex quorum sensing (QS) systems that regulate the production of bacteriocins and the entry into the competent state, a requirement for natural transformation ...
Erin Shanker, Michael J. Federle
semanticscholar   +1 more source

Characterization of Exopolysaccharide Produced by Streptococcus thermophilus CC30

open access: yesBioMed Research International, 2017
An exopolysaccharide (EPS) producing strain CC30 was isolated from raw milk and identified as Streptococcus thermophilus with morphological and 16S sequencing analysis.
Sri Lakshmi Ramya Krishna Kanamarlapudi   +1 more
semanticscholar   +1 more source

Stillbirth With Group B Streptococcus Disease Worldwide: Systematic Review and Meta-analyses

open access: yesClinical Infectious Diseases, 2017
Group B Streptococcus (GBS) is associated with invasive disease in utero and stillbirth. We estimated that 1% of all stillbirths in developed countries and 4% in Africa were associated with GBS.
Anna C. Seale   +22 more
semanticscholar   +1 more source

Re-evaluation of the taxonomy of the Mitis group of the genus Streptococcus based on whole genome phylogenetic analyses, and proposed reclassification of Streptococcus dentisani as Streptococcus oralis subsp. dentisani comb. nov., Streptococcus tigurinus as Streptococcus oralis subsp. tigurinus comb

open access: yesInternational Journal of Systematic and Evolutionary Microbiology, 2016
The Mitis group of the genus Streptococcus currently comprises 20 species with validly published names, including the pathogen S. pneumoniae. They have been the subject of much taxonomic confusion, due to phenotypic overlap and genetic heterogeneity ...
Anders Jensen   +2 more
semanticscholar   +1 more source

Macrolide Resistance in Streptococcus pneumoniae

open access: yesFrontiers in Cellular and Infection Microbiology, 2016
Streptococcus pneumoniae is a common commensal and an opportunistic pathogen. Suspected pneumococcal upper respiratory infections and pneumonia are often treated with macrolide antibiotics.
Max R. Schroeder, D. S. Stephens
semanticscholar   +1 more source

Nonencapsulated Streptococcus pneumoniae: Emergence and Pathogenesis

open access: yesmBio, 2016
While significant protection from pneumococcal disease has been achieved by the use of polysaccharide and polysaccharide-protein conjugate vaccines, capsule-independent protection has been limited by serotype replacement along with disease caused by ...
Lance E. Keller   +4 more
semanticscholar   +1 more source

Current Taxonomical Situation of Streptococcus suis

open access: yesPathogens, 2016
Streptococcus suis, a major porcine pathogen and an important zoonotic agent, is considered to be composed of phenotypically and genetically diverse strains. However, recent studies reported several “S. suis-like strains” that were identified as S.
Masatoshi Okura   +6 more
semanticscholar   +1 more source

Evolution and Diversity of the Antimicrobial Resistance Associated Mobilome in Streptococcus suis: A Probable Mobile Genetic Elements Reservoir for Other Streptococci

open access: yesFrontiers in Cellular and Infection Microbiology, 2016
Streptococcus suis is a previously neglected, newly emerging multidrug-resistant zoonotic pathogen. Mobile genetic elements (MGEs) play a key role in intra- and interspecies horizontal transfer of antimicrobial resistance (AMR) determinants.
Jinhu Huang   +9 more
semanticscholar   +1 more source

Streptococcus pyogenes adhesion and colonization

open access: yesFEBS Letters, 2016
Streptococcus pyogenes (group A Streptococcus, GAS) is a human‐adapted pathogen responsible for a wide spectrum of disease. GAS can cause relatively mild illnesses, such as strep throat or impetigo, and less frequent but severe life‐threatening diseases ...
Stephan Brouwer   +4 more
semanticscholar   +1 more source

Phenotypic and genotypic antimicrobial susceptibility pattern of Streptococcus spp. isolated from cases of clinical mastitis in dairy cattle in Poland.

open access: yesJournal of Dairy Science, 2017
Mastitis of dairy cattle is one of the most frequently diagnosed diseases worldwide. The main etiological agents of mastitis are bacteria of the genus Streptococcus spp., in which several antibiotic resistance mechanisms have been identified.
E. Kaczorek   +4 more
semanticscholar   +1 more source

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