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Genome sequence of Streptococcus mutans UA159, a cariogenic dental pathogen

Open access
Ajdić, Dragana, McShan, William M., McLaughlin, Robert E., Savić, Gorana, Chang, Jin, Carson, Matthew B., Primeaux, Charles, Tian, Runying, Kenton, Steve, Jia, Honggui, Lin, Shaoping, Qian, Yudong, Li, Shuling, Zhu, Hua, Najar, Fares, Lai, Hongshing, White, Jim, Roe, Bruce A., Ferretti, Joseph J.·2002·Proceedings of the National Academy of Sciences

Abstract

Streptococcus mutans is the leading cause of dental caries (tooth decay) worldwide and is considered to be the most cariogenic of all of the oral streptococci. The genome of S. mutans UA159, a serotype c strain, has been completely sequenced and is composed of 2,030,936 base pairs. It contains 1,963 ORFs, 63% of which have been assigned putative functions. The genome analysis provides further insight into how S. mutans has adapted to surviving the oral environment through resource acquisition, defense against host factors, and use of gene products that maintain its niche against microbial competitors. S. mutans metabolizes a wide variety of carbohydrates via nonoxidative pathways, and all of these pathways have been identified, along with the associated transport systems whose genes account for almost 15% of the genome. Virulence genes associated with extracellular adherent glucan production, adhesins, acid tolerance, proteases, and putative hemolysins have been identified. Strain UA159 is naturally competent and contains all of the genes essential for competence and quorum sensing. Mobile genetic elements in the form of IS elements and transposons are prominent in the genome and include a previously uncharacterized conjugative transposon and a composite transposon containing genes for the synthesis of antibiotics of the gramicidin/bacitracin family; however, no bacteriophage genomes are present.

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Metadata

Authors
Ajdić, D., McShan, W. M., McLaughlin, R. E., Savić, G., Chang, J., Carson, M. B., Primeaux, C., Tian, R., Kenton, S., Jia, H., Lin, S., Qian, Y., Li, S., Zhu, H., Najar, F., Lai, H., White, J., Roe, B. A., & Ferretti, J. J.
Venue
Proceedings of the National Academy of Sciences
Published
2002-10-23
Volume
99
Issue
22
Pages
14434-14439
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2128301757
Cited by
1,012
References
57
FWCI
44.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Genome sequence of Streptococcus mutans UA159, a cariogenic dental pathogen. https://app.cochat.ai/papers/10.1073/pnas.172501299
The paper
Ajdić, D., McShan, W. M., McLaughlin, R. E., Savić, G., Chang, J., Carson, M. B., Primeaux, C., Tian, R., Kenton, S., Jia, H., Lin, S., Qian, Y., Li, S., Zhu, H., Najar, F., Lai, H., White, J., Roe, B. A., & Ferretti, J. J. (2002). Genome sequence of Streptococcus mutans UA159, a cariogenic dental pathogen. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.172501299

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.