Streptococcus suis: a new emerging or an old neglected zoonotic pathogen?

M Gottschalk, J Xu, C Calzas, M Segura - Future microbiology, 2010 - Taylor & Francis
Infections caused by Streptococcus suis are considered a global and an economical
problem in the swine industry. Moreover, S. suis is an agent of zoonosis that afflicts people …

Compensatory Evolution of pbp Mutations Restores the Fitness Cost Imposed by β-Lactam Resistance in Streptococcus pneumoniae

AG Albarracin Orio, GE Piñas, PR Cortes… - PLoS …, 2011 - journals.plos.org
The prevalence of antibiotic resistance genes in pathogenic bacteria is a major challenge to
treating many infectious diseases. The spread of these genes is driven by the strong …

Stress-triggered signaling affecting survival or suicide of Streptococcus pneumoniae

PR Cortes, GE Piñas, MB Cian, N Yandar… - International Journal of …, 2015 - Elsevier
Streptococcus pneumoniae is a major human pathogen that can survive to stress conditions,
such as the acidic environment of inflammatory foci, and tolerates lethal pH through a …

Intracellular Streptococcus pneumoniae develops enhanced fluoroquinolone persistence during influenza A coinfection

M Hernandez-Morfa, NM Reinoso-Vizcaino… - Frontiers in …, 2024 - frontiersin.org
Streptococcus pneumoniae is a major pathogen responsible for severe complications in
patients with prior influenza A virus (IAV) infection. We have previously demonstrated that S …

Streptococcus suis infections in humans: what is the prognosis for Western countries?(Part II)

M Gottschalk, J Xu, MP Lecours, D Grenier… - Clinical Microbiology …, 2010 - Elsevier
Infections caused by Streptococcus suis are an important economic problem in the swine
industry. Moreover, S. suis (especially serotype 2) is an agent of zoonosis that has the …

Phenotypic and molecular characterization of optochin-resistant Streptococcus pneumoniae isolates from Brazil, with description of five novel mutations in the atpC …

TCA Pinto, ARV Souza, SECM de Pina… - Journal of clinical …, 2013 - Am Soc Microbiol
Optochin (Opt) susceptibility is used largely for the identification of Streptococcus
pneumoniae in diagnostic laboratories. Opt-resistant (Optr) S. pneumoniae isolates have …

Subinhibitory concentrations of penicillin increase the mutation rate to optochin resistance in Streptococcus pneumoniae

PR Cortes, GE Pinas, AG Albarracin Orio… - Journal of …, 2008 - academic.oup.com
Objectives The aim of this work was to study the effect of subinhibitory concentrations of
penicillin, chloramphenicol and erythromycin on the mutation rate of Streptococcus …

Description of optochin-resistant Streptococcus pneumoniae due to an uncommon mutation in the atpA gene and comparison with previously identified atpC …

ARV Souza, SECM de Pina, NS Costa, FPG Neves… - Scientific Reports, 2021 - nature.com
Optochin susceptibility testing is a major assay used for presumptive identification of
Streptococcus pneumoniae. Still, atypical optochin-resistant (Optr) pneumococci have been …

Prophylactic inhibition of colonization by Streptococcus pneumoniae with the secondary bile acid metabolite Deoxycholic acid

JE Vidal, MN Wier, U A. Angulo-Zamudio… - Infection and …, 2021 - Am Soc Microbiol
Streptococcus pneumoniae colonizes the nasopharynx of children and the elderly but also
kills millions worldwide yearly. The secondary bile acid metabolite deoxycholic acid (DoC) …

[HTML][HTML] Emergence of Optochin Resistance among Streptococcus pneumoniae in Japan

N Masaki, U Osamu, S Takeo, M Tetsuro… - Open Journal of Medical …, 2012 - scirp.org
The optochin susceptibility test is a key method for differentiating Streptococcus pneumoniae
from other α-hemolytic streptococci; however, optochin-resistant (Optr) S. pneumoniae have …