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  • Title: [Detection of DNA G+C mol% in taxonomy of Streptococcus mutans by means of high performance liquid chromatography].
    Author: Ling JQ.
    Journal: Zhonghua Kou Qiang Yi Xue Za Zhi; 1992 Nov; 27(6):326-9, 384. PubMed ID: 1307950.
    Abstract:
    In the present study, DNA G+C mol% of 9 strains of bacteria (including 7 international standard strain, Ingbritt, and 2 other strains extracted in our Lab) were detected with application of High Performance Liquid Chromatograph. The results showed that DNA G+C content of S. mutans was 35-40%, S. sobrinus was 45-46%, S. cricetus was 38%, and S. rattus was 41%. The difference between S sobrinus and S. mutans was higher than 5%, which suggested that S. sobrinus should be identified as an independent classification unit of bacterial species from S. mutans.
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