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Ogawa A, Furukawa S, Fujita S, Mitobe J, Kawarai T, Narisawa N, Sekizuka T, Kuroda M, Ochiai K, Ogihara H, Kosono S, Yoneda S, Watanabe H, Morinaga Y, Uematsu H, Senpuku H. Inhibition of Streptococcus mutans biofilm formation by Streptococcus salivarius FruA. Appl Environ Microbiol 2011; 77:1572-80. [PMID: 21239559 PMCID: PMC3067281 DOI: 10.1128/aem.02066-10] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Accepted: 12/30/2010] [Indexed: 11/20/2022] Open
Abstract
The oral microbial flora consists of many beneficial species of bacteria that are associated with a healthy condition and control the progression of oral disease. Cooperative interactions between oral streptococci and the pathogens play important roles in the development of dental biofilms in the oral cavity. To determine the roles of oral streptococci in multispecies biofilm development and the effects of the streptococci in biofilm formation, the active substances inhibiting Streptococcus mutans biofilm formation were purified from Streptococcus salivarius ATCC 9759 and HT9R culture supernatants using ion exchange and gel filtration chromatography. Matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry analysis was performed, and the results were compared to databases. The S. salivarius HT9R genome sequence was determined and used to indentify candidate proteins for inhibition. The candidates inhibiting biofilms were identified as S. salivarius fructosyltransferase (FTF) and exo-beta-d-fructosidase (FruA). The activity of the inhibitors was elevated in the presence of sucrose, and the inhibitory effects were dependent on the sucrose concentration in the biofilm formation assay medium. Purified and commercial FruA from Aspergillus niger (31.6% identity and 59.6% similarity to the amino acid sequence of FruA from S. salivarius HT9R) completely inhibited S. mutans GS-5 biofilm formation on saliva-coated polystyrene and hydroxyapatite surfaces. Inhibition was induced by decreasing polysaccharide production, which is dependent on sucrose digestion rather than fructan digestion. The data indicate that S. salivarius produces large quantities of FruA and that FruA alone may play an important role in multispecies microbial interactions for sucrose-dependent biofilm formation in the oral cavity.
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Affiliation(s)
- Ayako Ogawa
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Soichi Furukawa
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Shuhei Fujita
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Jiro Mitobe
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Taketo Kawarai
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Naoki Narisawa
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Tsuyoshi Sekizuka
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Makoto Kuroda
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Kuniyasu Ochiai
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Hirokazu Ogihara
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Saori Kosono
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Saori Yoneda
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Haruo Watanabe
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Yasushi Morinaga
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Hiroshi Uematsu
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
| | - Hidenobu Senpuku
- Department of Gerodontology, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, Kanagawa, Japan, Department of Bacteriology, Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan, Department of Bacteriology, Nihon University of Dentistry, Tokyo, Japan, Environmental Molecular Biology Laboratory, RIKEN, Saitama, Japan
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