Impact of Experimental Human Pneumococcal Carriage on Nasopharyngeal Bacterial Densities in Healthy Adults
- Publication Date
- June 10, 2014
- Journal
- PLOS ONE
- Authors
- Joshua R. Shak, Amelieke J. H. Cremers, Jenna F. Gritzfeld, Marien I. De Jonge, et al
- Volume
- 9
- Issue
- 6
- Pages
- e98829
- DOI
- https://dx.plos.org/10.1371/journal.pone.0098829
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0098829
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/24915552
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4051691
- Europe PMC
- http://europepmc.org/abstract/MED/24915552
- Web of Science
- 000340947700037
- Scopus
- 84902593741
- Mendeley
- http://www.mendeley.com/research/impact-experimental-human-pneumococcal-carriage-nasopharyngeal-bacterial-densities-healthy-adults
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Mendeley | Further Information
{"title"=>"Impact of experimental human pneumococcal carriage on nasopharyngeal bacterial densities in healthy adults", "type"=>"journal", "authors"=>[{"first_name"=>"Joshua R.", "last_name"=>"Shak", "scopus_author_id"=>"24068230200"}, {"first_name"=>"Amelieke J.H.", "last_name"=>"Cremers", "scopus_author_id"=>"56003447600"}, {"first_name"=>"Jenna F.", "last_name"=>"Gritzfeld", "scopus_author_id"=>"37115591600"}, {"first_name"=>"Marien I.", "last_name"=>"De Jonge", "scopus_author_id"=>"55734436600"}, {"first_name"=>"Peter W.M.", "last_name"=>"Hermans", "scopus_author_id"=>"7101909804"}, {"first_name"=>"Jorge E.", "last_name"=>"Vidal", "scopus_author_id"=>"23010621900"}, {"first_name"=>"Keith P.", "last_name"=>"Klugman", "scopus_author_id"=>"56042384100"}, {"first_name"=>"Stephen B.", "last_name"=>"Gordon", "scopus_author_id"=>"7401829209"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84902593741", "pui"=>"373337797", "doi"=>"10.1371/journal.pone.0098829", "pmid"=>"24915552", "scopus"=>"2-s2.0-84902593741", "issn"=>"19326203", "isbn"=>"1932-6203"}, "id"=>"edb87711-c836-3902-a80c-4659e27d950c", "abstract"=>"Colonization of the nasopharynx by Streptococcus pneumoniae is a necessary precursor to pneumococcal diseases that result in morbidity and mortality worldwide. The nasopharynx is also host to other bacterial species, including the common pathogens Staphylococcus aureus, Haemophilus influenzae, and Moraxella catarrhalis. To better understand how these bacteria change in relation to pneumococcal colonization, we used species-specific quantitative PCR to examine bacterial densities in 52 subjects 7 days before, and 2, 7, and 14 days after controlled inoculation of healthy human adults with S. pneumoniae serotype 6B. Overall, 33 (63%) of subjects carried S. pneumoniae post-inoculation. The baseline presence and density of S. aureus, H. influenzae, and M. catarrhalis were not statistically associated with likelihood of successful pneumococcal colonization at this study's sample size, although a lower rate of pneumococcal colonization in the presence of S. aureus (7/14) was seen compared to that in the presence of H. influenzae (12/16). Among subjects colonized with pneumococci, the number also carrying either H. influenzae or S. aureus fell during the study and at 14 days post-inoculation, the proportion carrying S. aureus was significantly lower among those who were colonized with S. pneumoniae (p = 0.008) compared to non-colonized subjects. These data on bacterial associations are the first to be reported surrounding experimental human pneumococcal colonization and show that co-colonizing effects are likely subtle rather than absolute.", "link"=>"http://www.mendeley.com/research/impact-experimental-human-pneumococcal-carriage-nasopharyngeal-bacterial-densities-healthy-adults", "reader_count"=>20, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Researcher"=>5, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>4, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>1, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Researcher"=>5, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>4, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>1, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>1, "Biochemistry, Genetics and Molecular Biology"=>1, "Medicine and Dentistry"=>12, "Agricultural and Biological Sciences"=>2, "Immunology and Microbiology"=>4}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>12}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>4}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>1}}, "reader_count_by_country"=>{"Spain"=>1}, "group_count"=>4}CrossRef
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- http://doi.org/10.1128/JB.00474-19
- http://doi.org/10.1002/1873-3468.12455
- http://doi.org/10.15172/pneu.2015.6/520
- http://doi.org/10.1007/s10522-015-9614-8
- http://doi.org/10.1371/journal.pone.0129199
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- http://doi.org/10.3390/ijms20174220
- http://doi.org/10.1186/s12879-016-1454-x
- http://doi.org/10.3389/fcimb.2016.00104
- http://doi.org/10.1080/21645515.2015.1081321
Scopus | Further Information
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Relative Metric
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