a spherical bacterium that occurs in the respiratory tract, esp the Gram-positive Diplococcus pneumoniae, which causes pneumonia
Derived forms
pneumococcal (ˌpneumoˈcoccal)
adjective
Examples of 'pneumococci' in a sentence
pneumococci
Penicillin or erythromycin-non-susceptible pneumococci were carried for a shorter duration than penicillin or erythromycin-susceptible pneumococci.
Rendani I. Manenzhe, Clinton Moodley, Clinton Moodley, Shima M. Abdulgader, F. J.Lourens Robberts, Heather J. Zar, Mark P. Nicol, Mark P. Nicol, Felix S. Dube, FelixS. Dube 2019, 'Nasopharyngeal Carriage of Antimicrobial-Resistant Pneumococci in an Intensively SampledSouth African Birth Cohort', Frontiers in Microbiologyhttps://www.frontiersin.org/article/10.3389/fmicb.2019.00610/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Only 7 adults acquired pneumococci during the study.
Gómez-Barreto Demóstenes, Calderón-Jaimes Ernesto, S Rodríguez Romeo, Espinosa LuzElena, Viña-Flores Lucía, Jiménez-Rojas Verónica 2002, 'Carriage of antibiotic-resistant pneumococci in a cohort of a daycare center', Salud Pública de Méxicohttp://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0036-36342002000100004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Serious diseases often caused by pneumococci include pneumonia, meningitis and bacteremia.
Vincenzo Baldo, Silvia Cocchio, Roberta Lazzari, Patrizia Furlan, Chiara Bertoncello,Francesca Russo, Mario Saia, Tatjana Baldovin 2015, 'Estimated hospitalization rate for diseases attributable to Streptococcus pneumoniaein the Veneto region of north-east Italy', Preventive medicine reportshttp://www.sciencedirect.com/science/article/pii/S2211335514000229. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Penicillin non-susceptible pneumococci accounted for 33% of isolates.
Johanna M Jefferies, Mohd Yasim Mohd Yusof, Shamala Devi Sekaran, Stuart C Clarke 2014, 'Novel clones of Streptococcus pneumoniae causing invasive disease in Malaysia.', PLoS ONEhttp://europepmc.org/articles/PMC4062404?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The average carriage of pneumococci in three seasons was 38.2%.
Izabela Korona-Glowniak, Anna Malm 2012, 'Characteristics of Streptococcus pneumoniae Strains Colonizing Upper Respiratory Tractof Healthy Preschool Children in Poland', The Scientific World Journalhttp://dx.doi.org/10.1100/2012/732901. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Pneumococci have evolved mechanisms of regulation of non-essential surface proteins to evade host defenses.
Marisol Figueira, Monica Moschioni, Gabriella De Angelis, Michèle Barocchi, VishakhaSabharwal, Vega Masignani, Stephen I Pelton 2014, 'Variation of pneumococcal Pilus-1 expression results in vaccine escape during ExperimentalOtitis Media [EOM].', PLoS ONEhttp://europepmc.org/articles/PMC3885439?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Immunoglobulin responses to pneumococci were directed towards various protein targets but not capsular polysaccharide.
Adam K A Wright, Daniela M Ferreira, Jenna F Gritzfeld, Angela D Wright, Kathryn Armitage,Kondwani C Jambo, Emily Bate, Sherouk El Batrawy, Andrea Collins, Stephen B Gordon 2012, 'Human nasal challenge with Streptococcus pneumoniae is immunising in the absence ofcarriage.', PLoS Pathogenshttp://europepmc.org/articles/PMC3320601?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Among pneumococci, 18.5% showed reduced susceptibility to penicillin.
Kresken, Michael, Körber-Irrgang, Barbara, Kaase, Martin, Layer, Franziska, Pfeifer,Yvonne, Werner, Guido, Hafner, Dieter, Working Party “Antimicrobial Resistance” ofthe Paul Ehrlich Society for Chemotherapy 2015, 'In vitro activity of ceftobiprole against key pathogens associated with pneumoniain hospitalized patients: results from the PEG surveillance study, 2010', GMS Infectious Diseaseshttp://www.egms.de/static/en/journals/id/2015-3/id000017.shtml. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our data redraw attention to the fact that pneumococci are not strictly human pathogens.
Mark van der Linden, Adnan Al-Lahham, Werner Nicklas, Ralf René Reinert 2009, 'Molecular characterization of pneumococcal isolates from pets and laboratory animals.',PLoS ONEhttp://europepmc.org/articles/PMC2788425?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Nod2-/- alveolar macrophages and blood neutrophils displayed a reduced capacity to internalize pneumococci in vitro.
Tijmen J Hommes, Miriam H van Lieshout, Cornelis van 't Veer, Sandrine Florquin, HesterJ Bootsma, Peter W Hermans, Alex F de Vos, Tom van der Poll 2015, 'Role of Nucleotide-Binding Oligomerization Domain-Containing (NOD) 2 in Host Defenseduring Pneumococcal Pneumonia.', PLoS ONEhttp://europepmc.org/articles/PMC4682639?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)