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. 1982 Jun;15(6):987-90.
doi: 10.1128/jcm.15.6.987-990.1982.

Presumptive identification of streptococci with a new test system

R R Facklam, L G Thacker, B Fox, L Eriquez

Presumptive identification of streptococci with a new test system

R R Facklam et al. J Clin Microbiol. 1982 Jun.

Abstract

A test is described that could replace bacitracin susceptibility for presumptive identification of group A streptococci as well as 6.5% NaCl agar tolerance for presumptive identification of enterococcal streptococci. The L-pyrrolidonyl-beta-naphthylamide test, based on hydrolysis of pyrrolidonyl-beta-naphthylamide, was used in conjunction with the CAMP and bile-esculin tests to presumptively identify the streptococci. Among the beta-hemolytic streptococci; 98% of 50 group A, 98% of 46 group B, and 100% of 70 strains that were not group A, B, or D were correctly identified by the new presumptive test scheme. Among the non-beta-hemolytic streptococci; 96% of 74 group D enterococcal, 100% of 30 group D nonenterococcal, and 82% of 112 viridans strains were correctly identified by the new presumptive test scheme.

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References

    1. Appl Microbiol. 1974 Jan;27(1):141-3 - PubMed
    1. Antimicrob Agents Chemother. 1974 Mar;5(3):228-33 - PubMed
    1. J Clin Microbiol. 1976 Aug;4(2):192-3 - PubMed
    1. J Clin Microbiol. 1977 Jul;6(1):42-5 - PubMed
    1. N Engl J Med. 1977 Oct 13;297(15):800-2 - PubMed

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