Cited by 135Oral microbiology and periodontitis researchMicrobial Community Ecology and PhysiologyBacterial biofilms and quorum sensing

Using DGGE profiling to develop a novel culture medium suitable for oral microbial communities: DGGE profiling for culture medium development

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Tian, Y., He, X., Torralba, M., Yooseph, S., Nelson, K.E., Lux, R., McLean, J.S., Yu, G. +1 more·2010·Molecular Oral Microbiology

Abstract

More than 700 bacterial species have been detected in the human oral cavity. They form highly organized microbial communities and are responsible for many oral infectious diseases, such as dental caries and periodontal disease. The prevention and treatment of these diseases require a comprehensive knowledge of oral microbial communities, which largely relies on culture-dependent methods to provide detailed phenotypic and physiological analysis of these communities. However, most of the currently available laboratory media can only selectively support the growth of a limited number of bacterial species within these communities, and fail to sustain the original oral microbial diversity. In this study, using denaturing gradient gel electrophoresis (DGGE) as an index to systematically survey and analyse the selectivity of commonly used laboratory media, we developed a new medium (SHI medium) by combining the ingredients of several selected media that can support different subpopulations within the original oral microbial community derived from pooled saliva. DGGE and 454 pyrosequencing analysis showed that SHI medium was capable of supporting a more diversified community with a microbial profile closer to that of the original oral microbiota. Furthermore, 454 pyrosequencing revealed that SHI medium supported the growth of many oral species that have not before been cultured. Crystal violet assay and the confocal laser scanning microscope analysis indicated that, compared with other media, SHI medium is able to support a more complex saliva-derived biofilm with higher biomass yield and more diverse species. This DGGE-guided method could also be used to develop novel media for other complex microbial communities.

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  • In vitro biofilm culture systems using human saliva or defined media have served as a useful surrogate for oral biofilm research and have shed light on mechanisms involved in microbial adherence, species interactions, antibiofilm treatments, and organization of the microbial community.

    “In vitro biofilm culture systems using human saliva or defined media have served as a useful surrogate for oral biofilm research and have shed light on the mechanisms involved in microbial adherence, species interactions, antibiofilm treatments, and organization of the microbial community.55, 56, 57, 58, 59”

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Authors
Tian, Y., He, X., Torralba, M., Yooseph, S., Nelson, K. E., Lux, R., McLean, J. S., Yu, G., & Shi, W.
Affiliations
  • Peking University (CN)
  • University of California, Los Angeles (US)
  • J. Craig Venter Institute (US)
Corresponding author
  • Yu, G.
  • Shi, W.
Venue
Molecular Oral Microbiology
Publisher
Wiley
Published
2010-09-02
Volume
25
Issue
5
Pages
357-367
ISSN
2041-1006 (ISSN-L)
OpenAlex
W1533894881
Cited by
133
References
44
Citations by year
2026: 9 · 2025: 14 · 2024: 14 · 2023: 7 · 2022: 12 · 2021: 10 · 2020: 17 · 2019: 10 · 2018: 7 · 2017: 9 · 2016: 5 · 2015: 6 · 2014: 4 · 2013: 1 · 2012: 2
FWCI
3.34
Type
journal article
Language
en
Open access
Locations
  • Molecular Oral Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Health and Human Services
  • National Institutes of Health (5r01de020102-10, n01ai30071-19-0-3)
  • National Institute of General Medical Sciences (GM54666, R01GM054666)
  • National Institute of Allergy and Infectious Diseases (N01 AI30071)
  • National Institute of Dental and Craniofacial Research (R01-DE020102, DE020102)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
oral microbiota, media development, culture-based methods, oral bacterial diversity, dental caries, periodontal disease
MeSH terms
Adult, Culture Media, DNA, Bacterial, Humans, Image Processing, Computer-Assisted, Mouth, Saliva, Sequence Analysis, DNA, Biofilms, Biomass, Microscopy, Confocal, Denaturing Gradient Gel Electrophoresis, Microbial Consortia

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