{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T15:15:43Z","timestamp":1790781343229,"version":"4.1.0"},"reference-count":36,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T00:00:00Z","timestamp":1657238400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Cell. Infect. Microbiol."],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>An approach for assessing the urinary microbiome is 16S rRNA gene sequencing, where analysis methods are rapidly evolving. This re-analysis of an existing dataset aimed to determine whether updated bioinformatic and statistical techniques affect clinical inferences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A prior study compared the urinary microbiome in 123 women with mixed urinary incontinence (MUI) and 84 controls. We obtained unprocessed sequencing data from multiple variable regions, processed operational taxonomic unit (OTU) tables from the original analysis, and de-identified clinical data. We re-processed sequencing data with DADA2 to generate amplicon sequence variant (ASV) tables. Taxa from ASV tables were compared to the original OTU tables; taxa from different variable regions after updated processing were also compared. Bayesian graphical compositional regression (BGCR) was used to test for associations between microbial compositions and clinical phenotypes (e.g., MUI versus control) while adjusting for clinical covariates. Several techniques were used to cluster samples into microbial communities. Multivariable regression was used to test for associations between microbial communities and MUI, again while adjusting for potentially confounding variables.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Of taxa identified through updated bioinformatic processing, only 40% were identified originally, though taxa identified through both methods represented &amp;gt;99% of the sequencing data in terms of relative abundance. Different 16S rRNA gene regions resulted in different recovered taxa. With BGCR analysis, there was a low (33.7%) probability of an association between overall microbial compositions and clinical phenotype. However, when microbial data are clustered into bacterial communities, we confirmed that bacterial communities are associated with MUI. Contrary to the originally published analysis, we did not identify different associations by age group, which may be due to the incorporation of different covariates in statistical models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Updated bioinformatic processing techniques recover different taxa compared to earlier techniques, though most of these differences exist in low abundance taxa that occupy a small proportion of the overall microbiome. While overall microbial compositions are not associated with MUI, we confirmed associations between certain communities of bacteria and MUI. Incorporation of several covariates that are associated with the urinary microbiome improved inferences when assessing for associations between bacterial communities and MUI in multivariable models.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fcimb.2022.789439","type":"journal-article","created":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T11:42:20Z","timestamp":1657280540000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":16,"title":["Updating Urinary Microbiome Analyses to Enhance Biologic Interpretation"],"prefix":"10.3389","volume":"12","author":[{"given":"Nazema Y.","family":"Siddiqui","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linda","family":"Brubaker","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jialiang","family":"Mao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carter","family":"Hoffman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin M.","family":"Dahl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhuoqun","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Karstens","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,7,8]]},"reference":[{"key":"B1","article-title":"HMS-ESTEEM Microbial Diversity in Urine and Vagina","volume-title":"Network NPFD, Editor. 1 Ed","year":""},{"key":"B2","doi-asserted-by":"publisher","first-page":"450","DOI":"10.1097\/GME.0b013e3182a4690b","article-title":"Association Between the Vaginal Microbiota, Menopause Status, and Signs of Vulvovaginal Atrophy","volume":"21","author":"Brotman","year":"2014","journal-title":"Menopause"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1128\/mSystems.01371-20","article-title":"Forming Consensus to Advance Urobiome Research","volume":"6","author":"Brubaker","year":"2021","journal-title":"mSystems"},{"key":"B4","doi-asserted-by":"publisher","first-page":"1479","DOI":"10.1002\/nau.24707","article-title":"Recurrent Urinary Tract Infection: Association of Clinical Profiles With Urobiome Composition in Women","volume":"40","author":"Burnett","year":"2021","journal-title":"Neurourol Urodyn"},{"key":"B5","doi-asserted-by":"publisher","first-page":"130","DOI":"10.1186\/s40168-021-01072-3","article-title":"Ultra-Accurate Microbial Amplicon Sequencing With Synthetic Long Reads","volume":"9","author":"Callahan","year":"2021","journal-title":"Microbiome"},{"key":"B6","doi-asserted-by":"publisher","first-page":"2639","DOI":"10.1038\/ismej.2017.119","article-title":"Exact Sequence Variants Should Replace Operational Taxonomic Units in Marker-Gene Data Analysis","volume":"11","author":"Callahan","year":"2017","journal-title":"ISME J."},{"key":"B7","doi-asserted-by":"publisher","first-page":"581","DOI":"10.1038\/nmeth.3869","article-title":"DADA2: High-Resolution Sample Inference From Illumina Amplicon Data","volume":"13","author":"Callahan","year":"2016","journal-title":"Nat. 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