{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T18:42:29Z","timestamp":1774464149030,"version":"3.50.1"},"reference-count":54,"publisher":"Microbiology Society","issue":"3","license":[{"start":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T00:00:00Z","timestamp":1774396800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000060","name":"National Institute of Allergy and Infectious Diseases","doi-asserted-by":"crossref","award":["R01HLAI177613"],"award-info":[{"award-number":["R01HLAI177613"]}],"id":[{"id":"10.13039\/100000060","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"crossref","award":["R01136919"],"award-info":[{"award-number":["R01136919"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100000897","name":"Cystic Fibrosis Foundation","doi-asserted-by":"crossref","award":["MOORE18F0"],"award-info":[{"award-number":["MOORE18F0"]}],"id":[{"id":"10.13039\/100000897","id-type":"DOI","asserted-by":"crossref"}]},{"name":"National Science Foundation","award":["ECCS-2025124"],"award-info":[{"award-number":["ECCS-2025124"]}]},{"name":"National Science Foundation","award":["MR-2011401"],"award-info":[{"award-number":["MR-2011401"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,3,25]]},"abstract":"<jats:p>\n                    <jats:bold>Introduction.<\/jats:bold>\n                    Chronic rhinosinusitis (CRS) is a prevalent condition characterized by mucus stasis, persistent inflammation and infection of the paranasal sinuses. CRS often involves infection by the bacterium\n                    <jats:italic>Pseudomonas aeruginosa<\/jats:italic>\n                    , especially in individuals with cystic fibrosis or a history of antibiotic use. While\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    is a well-established opportunistic pathogen that deploys a diverse array of virulence factors to drive airway infections, its persistence in the airway mucosa is also likely influenced by its local microbial ecology. For instance, anaerobic bacterial genera, such as\n                    <jats:italic>Streptococcus<\/jats:italic>\n                    ,\n                    <jats:italic>Veillonella<\/jats:italic>\n                    and\n                    <jats:italic>Prevotella<\/jats:italic>\n                    , are also commonly found in CRS and may contribute to pathogen establishment.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Hypothesis.<\/jats:bold>\n                    Although anaerobes are common members of the CRS microbiota, their role in promoting\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    association with the airway epithelium remains poorly defined. We hypothesized that anaerobes facilitate\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    attachment by degrading mucin glycoproteins that decorate the epithelial surface.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Aim.<\/jats:bold>\n                    To determine whether CRS-associated anaerobic microbiota enhance\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    colonization of the airways through mucin modification.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Methodology.<\/jats:bold>\n                    Using a novel dual oxic-anoxic culture platform, Calu-3 epithelial cells were co-cultured with a CRS-derived anaerobic microbial community. Inflammatory gene expression, mucin integrity and subsequent\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    epithelial association were assessed. Additionally, mucins isolated from anaerobe-treated cells were evaluated for their ability to promote\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    attachment\n                    <jats:italic>in vitro<\/jats:italic>\n                    .\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results.<\/jats:bold>\n                    Anaerobe exposure increased epithelial inflammatory marker gene expression and led to degradation of mucin glycoproteins. Anaerobe pre-treatment significantly enhanced\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    association with the epithelial surface. Moreover, mucins isolated from anaerobe-treated cells promoted greater pathogen attachment\n                    <jats:italic>in vitro<\/jats:italic>\n                    compared to intact mucins.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusion.<\/jats:bold>\n                    CRS-associated anaerobic microbiota can remodel the sinonasal microenvironment in ways that enhance\n                    <jats:italic>P. aeruginosa<\/jats:italic>\n                    epithelial association. These findings highlight the importance of polymicrobial interactions in CRS pathogenesis and suggest that targeting anaerobe-mediated mucin degradation may represent a novel therapeutic strategy for chronic airway disease.\n                  <\/jats:p>","DOI":"10.1099\/jmm.0.002149","type":"journal-article","created":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T17:16:31Z","timestamp":1774458991000},"source":"Crossref","is-referenced-by-count":0,"title":["Anaerobic microbiota promote pathogen association with the airway epithelium"],"prefix":"10.1099","volume":"75","author":[{"given":"Patrick J.","family":"Moore","sequence":"first","affiliation":[{"name":"Department of Microbiology & Immunology, University of Minnesota, 689 23rd Avenue SE, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leslie A.","family":"Kent","sequence":"additional","affiliation":[{"name":"Department of Microbiology & Immunology, University of Minnesota, 689 23rd 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