Cited by 327Oral microbiology and periodontitis researchGut microbiota and healthGenomics and Phylogenetic Studies

Community-wide transcriptome of the oral microbiome in subjects with and without periodontitis

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Duran-Pinedo, Ana E, Chen, Tsute, Teles, Ricardo, Starr, Jacqueline R, Wang, Xiaoshan, Krishnan, Keerthana, Frias-Lopez, Jorge·2014·The ISME Journal

Abstract

Despite increasing knowledge on phylogenetic composition of the human microbiome, our understanding of the in situ activities of the organisms in the community and their interactions with each other and with the environment remains limited. Characterizing gene expression profiles of the human microbiome is essential for linking the role of different members of the bacterial communities in health and disease. The oral microbiome is one of the most complex microbial communities in the human body and under certain circumstances, not completely understood, the healthy microbial community undergoes a transformation toward a pathogenic state that gives rise to periodontitis, a polymicrobial inflammatory disease. We report here the in situ genome-wide transcriptome of the subgingival microbiome in six periodontally healthy individuals and seven individuals with periodontitis. The overall picture of metabolic activities showed that iron acquisition, lipopolysaccharide synthesis and flagellar synthesis were major activities defining disease. Unexpectedly, the vast majority of virulence factors upregulated in subjects with periodontitis came from organisms that are not considered major periodontal pathogens. One of the organisms whose gene expression profile was characterized was the uncultured candidate division TM7, showing an upregulation of putative virulence factors in the diseased community. These data enhance understanding of the core activities that are characteristic of periodontal disease as well as the role that individual organisms in the subgingival community play in periodontitis.

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Authors
Duran-Pinedo, A. E., Chen, T., Teles, R., Starr, J. R., Wang, X., Krishnan, K., & Frias-Lopez, J.
Affiliations
  • The Forsyth Institute (US)
  • Harvard University (US)
  • Department of Microbiology, Forsyth Institute , Cambridge, MA, USA
Venue
The ISME Journal
Published
2014-03-06
Volume
8
Issue
8
Pages
1659-1672
ISSN
  • 1751-7362 (ISSN-L)
  • 1751-7370
OpenAlex
W2080580603
Cited by
327
References
92
Citations by year
2026: 15 · 2025: 19 · 2024: 17 · 2023: 21 · 2022: 36 · 2021: 42 · 2020: 38 · 2019: 26 · 2018: 25 · 2017: 28 · 2016: 21 · 2015: 26 · 2014: 12
FWCI
38.27
Type
journal article
Language
en
Open access
Locations
  • The ISME Journal (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Dental and Craniofacial Research (DE021127, U01DE021127, DE021553, R01DE021553)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
periodontitis, oral microbiota, subgingival microbiota, microbial gene expression, virulence factors, iron acquisition, lipopolysaccharide biosynthesis, flagellar synthesis, polymicrobial disease, microbial interactions
MeSH terms
Adult, Bacteria, Humans, Periodontitis, Phylogeny, Virulence Factors, Metagenome, Transcriptome, Microbiota

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