Bacterial Diversity in Two Neonatal Intensive Care Units (NICUs)
Publication Date
January 23, 2013
Journal
PLOS ONE
Authors
Krissi M. Hewitt, Frank L. Mannino, Antonio Gonzalez, John H. Chase, et al
Volume
8
Issue
1
Pages
e54703
DOI
https://dx.plos.org/10.1371/journal.pone.0054703
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0054703
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/23372757
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3553055
Europe PMC
http://europepmc.org/abstract/MED/23372757
Web of Science
000314021500111
Scopus
84872781401
Mendeley
http://www.mendeley.com/research/bacterial-diversity-two-neonatal-intensive-care-units-nicus-1
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Mendeley | Further Information

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Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/503302"], "description"=>"<p>Most common bacterial genera (with known opportunistic pathogens) found in both NICUs (see <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054703#pone.0054703.s001\" target=\"_blank\">Tables S1</a> and <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0054703#pone.0054703.s002\" target=\"_blank\">S2</a> for full list).</p>", "links"=>[], "tags"=>["bacterial", "genera", "opportunistic", "nicus"], "article_id"=>173815, "categories"=>["Microbiology", "Biological Sciences", "Genetics", "Medicine"], "users"=>["Krissi M. Hewitt", "Frank L. Mannino", "Antonio González", "John H. Chase", "J. Gregory Caporaso", "Rob Knight", "Scott T. Kelley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0054703.t002", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Most_common_bacterial_genera_with_known_opportunistic_pathogens_found_in_both_NICUs_see_Tables_S1_and_S2_for_full_list_/173815", "title"=>"Most common bacterial genera (with known opportunistic pathogens) found in both NICUs (see Tables S1 and S2 for full list).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-01-23 01:03:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/477791", "https://ndownloader.figshare.com/files/477794", "https://ndownloader.figshare.com/files/477796", "https://ndownloader.figshare.com/files/477798", "https://ndownloader.figshare.com/files/477800", "https://ndownloader.figshare.com/files/477801"], "description"=>"<div><p>Infants in Neonatal Intensive Care Units (NICUs) are particularly susceptible to opportunistic infection. Infected infants have high mortality rates, and survivors often suffer life-long neurological disorders. The causes of many NICU infections go undiagnosed, and there is debate as to the importance of inanimate hospital environments (IHEs) in the spread of infections. We used culture-independent next-generation sequencing to survey bacterial diversity in two San Diego NICUs and to track the sources of microbes in these environments. Thirty IHE samples were collected from two Level-Three NICU facilities. We extracted DNA from these samples and amplified the bacterial small subunit (16S) ribosomal RNA gene sequence using ‘universal’ barcoded primers. The purified PCR products were pooled into a single reaction for pyrosequencing, and the data were analyzed using QIIME. On average, we detected 93+/−39 (mean +/− standard deviation) bacterial genera per sample in NICU IHEs. Many of the bacterial genera included known opportunistic pathogens, and many were skin-associated (e.g., <em>Propionibacterium</em>). In one NICU, we also detected fecal coliform bacteria (Enterobacteriales) in a high proportion of the surface samples. Comparison of these NICU-derived sequences to previously published high-throughput 16S rRNA amplicon studies of other indoor environments (offices, restrooms and healthcare facilities), as well as human- and soil-associated environments, found the majority of the NICU samples to be similar to typical building surface and air samples, with the notable exception of the IHEs which were dominated by Enterobacteriaceae. Our findings provide evidence that NICU IHEs harbor a high diversity of human-associated bacteria and demonstrate the potential utility of molecular methods for identifying and tracking bacterial diversity in NICUs.</p> </div>", "links"=>[], "tags"=>["bacterial", "neonatal", "intensive", "units"], "article_id"=>154117, "categories"=>["Microbiology", "Biological Sciences", "Genetics", "Medicine"], "users"=>["Krissi M. Hewitt", "Frank L. Mannino", "Antonio González", "John H. Chase", "J. Gregory Caporaso", "Rob Knight", "Scott T. Kelley"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0054703.s001", "https://dx.doi.org/10.1371/journal.pone.0054703.s002", "https://dx.doi.org/10.1371/journal.pone.0054703.s003", "https://dx.doi.org/10.1371/journal.pone.0054703.s004", "https://dx.doi.org/10.1371/journal.pone.0054703.s005", "https://dx.doi.org/10.1371/journal.pone.0054703.s006"], "stats"=>{"downloads"=>4, "page_views"=>65, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Bacterial_Diversity_in_Two_Neonatal_Intensive_Care_Units_NICUs__/154117", "title"=>"Bacterial Diversity in Two Neonatal Intensive Care Units (NICUs)", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2013-01-23 01:08:37"}
  • {"files"=>["https://ndownloader.figshare.com/files/503335"], "description"=>"<p>Locations of surface sampling performed in two NICU facilities.</p>", "links"=>[], "tags"=>["sampling", "performed", "nicu"], "article_id"=>173847, "categories"=>["Microbiology", "Biological Sciences", "Genetics", "Medicine"], "users"=>["Krissi M. Hewitt", "Frank L. Mannino", "Antonio González", "John H. Chase", "J. Gregory Caporaso", "Rob Knight", "Scott T. Kelley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0054703.t001", "stats"=>{"downloads"=>3, "page_views"=>1, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Locations_of_surface_sampling_performed_in_two_NICU_facilities_/173847", "title"=>"Locations of surface sampling performed in two NICU facilities.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-01-23 01:04:07"}
  • {"files"=>["https://ndownloader.figshare.com/files/503233"], "description"=>"<p>SitePainter images display the results from SourceTracker. The NICU sites are colored on a heatmap scale, where blue indicates that low similarity between a sink and a source and red indicates high similarity between a sink and a source Many surfaces have microbial compositions that are not similar to any of the sources (represented by Unknown), while the handles of the drawers, door and faucet, and the keyboard of the incubator, resemble the communities of human skin.</p>", "links"=>[], "tags"=>["sources", "microbes"], "article_id"=>173747, "categories"=>["Microbiology", "Biological Sciences", "Genetics", "Medicine"], "users"=>["Krissi M. Hewitt", "Frank L. Mannino", "Antonio González", "John H. Chase", "J. Gregory Caporaso", "Rob Knight", "Scott T. Kelley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0054703.g002", "stats"=>{"downloads"=>0, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Likely_sources_of_microbes_in_the_two_NICUs_/173747", "title"=>"Likely sources of microbes in the two NICUs.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-01-23 01:02:27"}
  • {"files"=>["https://ndownloader.figshare.com/files/503055"], "description"=>"<p>PCoA of pair-wise weighted UniFrac distances (see Methods) both with biplots that include taxonomy (A), and without biplots (B). The different colored points indicate the various indoor sampling environments Most of the NICU samples cluster with other indoor surface samples, except for nine NICU1 samples in the top left which cluster with a single office surface sample. Order-level taxonomy illustrates that the presence of Enterobacteriales contributes to the distinct clustering of these samples.</p>", "links"=>[], "tags"=>["nicu", "samples", "published", "indoor"], "article_id"=>173567, "categories"=>["Microbiology", "Biological Sciences", "Genetics", "Medicine"], "users"=>["Krissi M. Hewitt", "Frank L. Mannino", "Antonio González", "John H. Chase", "J. Gregory Caporaso", "Rob Knight", "Scott T. Kelley"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0054703.g001", "stats"=>{"downloads"=>0, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_PCoA_analysis_of_NICU_samples_and_previously_published_indoor_studies_/173567", "title"=>"PCoA analysis of NICU samples and previously published indoor studies.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-01-23 00:59:27"}

PMC Usage Stats | Further Information

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Relative Metric

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