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  • Title: Growth of oral Streptococcus species and Actinomyces viscosus in human saliva.
    Author: de Jong MH, van der Hoeven JS, van OS JH, Olijve JH.
    Journal: Appl Environ Microbiol; 1984 May; 47(5):901-4. PubMed ID: 6742834.
    Abstract:
    Microorganisms in dental plaque live in constant association with saliva. The role of saliva in the adherence of bacteria to the teeth and the antibacterial properties of saliva have been well investigated; less interest has been shown in the possible role of saliva as a substrate for oral microorganisms. In this study it was shown that saliva can serve as a growth medium for oral Streptococcus spp. and Actinomyces viscosus. The cell production of these organisms on saliva was carbohydrate limited. The doubling times for growth on glucose-supplemented saliva (4 to 5 mmol/liter) ranged from 1.6 to 4.0 h. The availability of carbohydrate sources for the oral microflora is discussed in relation to microbial growth in the oral cavity.
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