{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T04:59:19Z","timestamp":1792904359573,"version":"4.5.0"},"reference-count":59,"publisher":"American Society for Microbiology","issue":"11","license":[{"start":{"date-parts":[[2024,11,19]],"date-time":"2024-11-19T00:00:00Z","timestamp":1731974400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,11,19]],"date-time":"2024-11-19T00:00:00Z","timestamp":1731974400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100009406","name":"Centre Hospitalier Universitaire de Nantes","doi-asserted-by":"crossref","award":["RC 21_0250"],"award-info":[{"award-number":["RC 21_0250"]}],"id":[{"id":"10.13039\/501100009406","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["mSystems"],"published-print":{"date-parts":[[2024,11,19]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>\n              Oral microbial dysbiosis has been associated with periodontitis in studies using 16S rRNA gene sequencing analysis. However, this technology is not sufficient to consistently separate the bacterial species to species level, and reproducible oral microbiome signatures are scarce. Obtaining these signatures would significantly enhance our understanding of the underlying pathophysiological processes of this condition and foster the development of improved therapeutic strategies, potentially personalized to individual patients. Here, we sequenced newly collected samples from 24 patients with periodontitis, and we collected available oral microbiome data from 24 samples in patients with periodontitis and from 214 samples in healthy individuals (\n              <jats:italic>n<\/jats:italic>\n              = 262). Data were harmonized, and we performed a pooled analysis of individual patient data. By metagenomic sequencing of the plaque microbiome, we found microbial signatures for periodontitis and defined a periodontitis-related complex, composed by the most discriminative bacteria. A simple two-factor decision tree, based on\n              <jats:italic>Tannerella forsythia<\/jats:italic>\n              and\n              <jats:italic>Fretibacterium fastidiosum<\/jats:italic>\n              , was associated with periodontitis with high accuracy (area under the curve: 0.94). Altogether, we defined robust oral microbiome signatures relevant to the pathophysiology of periodontitis that can help define promising targets for microbiome therapeutic modulation when caring for patients with periodontitis.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>IMPORTANCE<\/jats:title>\n            <jats:p>\n              Oral microbial dysbiosis has been associated with periodontitis in studies using 16S rRNA gene sequencing analysis. However, this technology is not sufficient to consistently separate the bacterial species to species level, and reproducible oral microbiome signatures are scarce. Here, using ultra-deep metagenomic sequencing and machine learning tools, we defined a simple two-factor decision tree, based on\n              <jats:italic>Tannerella forsythia<\/jats:italic>\n              and\n              <jats:italic>Fretibacterium fastidiosum<\/jats:italic>\n              , that was highly associated with periodontitis. Altogether, we defined robust oral microbiome signatures relevant to the pathophysiology of periodontitis that can help define promising targets for microbiome therapeutic modulation when caring for patients with periodontitis.\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.1128\/msystems.00930-24","type":"journal-article","created":{"date-parts":[[2024,10,24]],"date-time":"2024-10-24T13:00:26Z","timestamp":1729774826000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":20,"title":["Pooled analysis of oral microbiome profiles defines robust signatures associated with periodontitis"],"prefix":"10.1128","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8759-2165","authenticated-orcid":false,"given":"Assem","family":"Soueidan","sequence":"first","affiliation":[{"name":"Nantes Universit\u00e9, CHU Nantes, INSERM, Regenerative Medicine and Skeleton","place":["Nantes, France"]},{"name":"Department of Periodontology, Faculty of Dental Surgery","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katia","family":"Idiri","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Surgery","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camille","family":"Becchina","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Surgery","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pauline","family":"Esparb\u00e8s","sequence":"additional","affiliation":[{"name":"Department of Periodontology, Faculty of Dental Surgery","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arnaud","family":"Legrand","sequence":"additional","affiliation":[{"name":"CHU Nantes, Direction de la Recherche Clinique","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quentin","family":"Le Bastard","sequence":"additional","affiliation":[{"name":"Cibles et m\u00e9dicaments des infections et de l'immunit\u00e9, IICiMed, Nantes Universit\u00e9","place":["Nantes, France"]},{"name":"CHU Nantes, Service des urgences","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2313-1172","authenticated-orcid":false,"given":"Emmanuel","family":"Montassier","sequence":"additional","affiliation":[{"name":"CHU Nantes, Service des urgences","place":["Nantes, France"]},{"name":"Nantes Universit\u00e9, Inserm, CHU Nantes, Center for Research in Transplantation and Translational Immunology","place":["Nantes, France"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41385-020-00365-4"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/MIB.0000000000000750"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-020-18871-1"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1093\/infdis\/jiaa689"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1186\/s40168-023-01604-z"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.3390\/jcm9051549"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1128\/mBio.01926-14"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051x.1997.tb00474.x"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1991.62.1.51"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0093827"},{"key":"e_1_3_4_12_2","doi-asserted-by":"publisher","DOI":"10.1038\/nbt.3935"},{"key":"e_1_3_4_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/JPER.17-0721"},{"key":"e_1_3_4_14_2","doi-asserted-by":"publisher","DOI":"10.4103\/jomfp.JOMFP_304_18"},{"key":"e_1_3_4_15_2","first-page":"143","volume-title":"Clinical periodontology","author":"Carranza FA","year":"2006","unstructured":"Carranza FA, Newman MG, Takei HH, Klokkevold PR. 2006. 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