Cited by 172Oral microbiology and periodontitis researchAntimicrobial Peptides and ActivitiesGut microbiota and health

Precision-guided antimicrobial peptide as a targeted modulator of human microbial ecology

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Guo, Lihong, McLean, Jeffrey S., Yang, Youngik, Eckert, Randal, Kaplan, Christopher W., Kyme, Pierre, Sheikh, Omid, Varnum, Brian +3 more·2015·Proceedings of the National Academy of Sciences

Abstract

One major challenge to studying human microbiome and its associated diseases is the lack of effective tools to achieve targeted modulation of individual species and study its ecological function within multispecies communities. Here, we show that C16G2, a specifically targeted antimicrobial peptide, was able to selectively kill cariogenic pathogen Streptococcus mutans with high efficacy within a human saliva-derived in vitro oral multispecies community. Importantly, a significant shift in the overall microbial structure of the C16G2-treated community was revealed after a 24-h recovery period: several bacterial species with metabolic dependency or physical interactions with S. mutans suffered drastic reduction in their abundance, whereas S. mutans' natural competitors, including health-associated Streptococci, became dominant. This study demonstrates the use of targeted antimicrobials to modulate the microbiome structure allowing insights into the key community role of specific bacterial species and also indicates the therapeutic potential of C16G2 to achieve a healthy oral microbiome.

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  1. [38]Wade W. 2009. The normal oral microbiota. Periodontal Medicine and Systems Biology, eds Henderson B, Curtis M, Seymour R, Donos N (Wiley-Blackwell, Oxford), pp 139–148.

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Authors
Guo, L., McLean, J. S., Yang, Y., Eckert, R., Kaplan, C. W., Kyme, P., Sheikh, O., Varnum, B., Lux, R., Shi, W., & He, X.
Affiliations
  • University of California, Los Angeles (US)
  • J. Craig Venter Institute (US)
  • C3J Therapeutics (United States) (US)
Venue
Proceedings of the National Academy of Sciences
Published
2015-06
Volume
112
Issue
24
Pages
7569-7574
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1885633068
Cited by
172
References
41
Citations by year
2026: 12 · 2025: 12 · 2024: 16 · 2023: 14 · 2022: 18 · 2021: 13 · 2020: 16 · 2019: 23 · 2018: 13 · 2017: 19 · 2016: 12 · 2015: 4
FWCI
21.65
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
HHS | NIH | National Institute of Dental and Craniofacial Research (1-R01-DE020102, 1-R01-DE023810-01)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Life Sciences › Immunology and Microbiology › Microbiology › Antimicrobial Peptides and Activities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
antimicrobial peptides, targeted antimicrobial therapy, Streptococcus mutans, oral microbiota, multispecies microbial communities, cariogenic bacteria, microbial ecology, oral health
MeSH terms
Adult, Anti-Bacterial Agents, Dental Caries, Humans, Microbial Sensitivity Tests, Mouth, Saliva, Streptococcus mutans, Biofilms, Antimicrobial Cationic Peptides, Microbiota

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