Some Clinical Laboratory Briefs on Staphylococci

Kimler, Alexander

doi:10.1128/jb.83.1.207-208.1962

Cited by 10 publications

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“…Hence, it is all the more surprising that neither Shaw, Stitt, and Cowan (1951) nor Thatcher and Simon (1957) seem to have been able to accept Evans' results as a base for ending the long-standing confusion about the taxonomy of the catalase-positive cocci. In other recent studies on staphylococci, such as those of Schaub and Merritt (1960), Grun and Pulverer (1960), Angyal (1961), Clark, Moore, and Nelson (1961), Fink (1961), Krynski et al (1962), Kimler (1962), and Vogelsang, Wormnes, and Ostervold (1962), no attention was paid to anaerobic dissimilation of mannitol. It may well be that failure to choose the right type of carbon source, or lack of familiarity with a reliable routine test for anaerobic metabolism of carbohydrates, has been the cause of this lack of acceptance of Evans' results.…”

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Attempt in Classification of Catalase-Positive Staphylococci and Micrococci

Mossel

1962

J Bacteriol

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MOSSEL, D. A. A. (Central Institute for Nutrition and Food Research T.N.O., Utrecht, The Nethrlands). Attempt in classification of catalasepositive staphylococci and micrococci. J. Bacteriol. 84:1140-1147. 1962.-About 390 strains MATERIALS AND METHODS Origin of strains. Some 360 strains of Staphylococcus aureus were isolated from the human clinical sources listed in Table 1. After preliminary identification in the Clinical Routine Laboratory of the Pasteur Institute, Lille, they were repurified by streaking onto plates of Chapman's (1945) mannitol salt phenol red agar. The 11 pathogenic strains of bovine origin were obtained from T.

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Attempt in Classification of Catalase-Positive Staphylococci and Micrococci

Mossel

1962

J Bacteriol

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“…S. aureus produces coagulase or ferments mannitol, or does both, whereas S. epidermidis is coagulase-negative and does not ferment mannitol. Weckman and Catlin (21) noted almost complete correlation between coagulase and deoxyribonuclease production among staphylococcal isolates, a finding confirmed by others (8,13). Lately, several laboratories have reported the isolation of coagulase-negative, mannitol-negative, and deoxyribonuclease-positive staphylococci; some of these isolates gave additional reactions characteristic for S. aureus (19, 20; C. H. Zierdt and D. W. Golde, Bacteriol.…”

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“…The slide (bound) and tube (free) coagulase (4, 5, 22) and mannitol-fermentation tests are the conventional tests for the characterization of micrococcal isolates as Staphylococcus aureus and S. epidermidis (1,2,8,9,(11)(12)(13)(15)(16)(17). S. aureus produces coagulase or ferments mannitol, or does both, whereas S. epidermidis is coagulase-negative and does not ferment mannitol.…”

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Identification of Staphylococci Isolated from Clinical Material

Raymond¹,

Traub²

1970

Applied Microbiology

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“…In a more extensive study, Mossel (21) reported that 2.1% of 389 coagulase-positive strains failed to ferment mannitol and 4.8% of 188 coagulase-negative strains fermented mannitol (anaerobically). Kimler (19,20) found that about 1% of his strains of staphylococci were coagulase-positive and mannitol-negative and about 8% were coagulase-negative and mannitol-positive. He stated that based on 112 coagulase-positive and 49 coagulase-negative strains there was better agreement with mannitol fermentation and other reactions in the case of the coagulase-positive strains than in the case of coagulase-negative strains.…”

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Coagulase and Deoxyribonuclease Activities of Staphylococci Isolated From Clinical Sources1

Morton¹,

Cohn²

1972

Applied Microbiology

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A total of 504 clinical isolates of the family Micrococcaceae were tested for coagulase, deoxyribonuclease, clumping factor, and phosphatase to determine whether there is a correlation between the results of these tests and the pathogenicity of staphylococci. In the tests for coagulase production, it was found that either human or rabbit plasma could be used with broth cultures, whereas rabbit but not human plasma was satisfactory when microorganisms removed from solid culture medium were used. Deoxyribonuclease production correlated better than the fermentation of mannitol with coagulase production. The use of methyl green, Toluidine Blue 0, or acridine orange offered no advantage over the use of HCl for detecting the production of deoxyribonuclease. Neither the presence of clumping factor nor the production of phosphatase correlated well with coagulase production. Strains of staphylococci that did not produce coagulase and deoxyribonuclease were isolated as frequently as, and from a greater variety of clinical sources than, strains which produced these substances. It is concluded that the production of coagulase and deoxyribonuclease are properties of staphylococci which are not necessarily indicative of potential pathogenicity of the organisms for man. ' Presented at the 71st Annual Meeting of the American Society for Microbiology, Minneapolis, Minn., 2-7 May 1971.

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Some Clinical Laboratory Briefs on Staphylococci

Cited by 10 publications

References 0 publications

Attempt in Classification of Catalase-Positive Staphylococci and Micrococci

Attempt in Classification of Catalase-Positive Staphylococci and Micrococci

Identification of Staphylococci Isolated from Clinical Material

Coagulase and Deoxyribonuclease Activities of Staphylococci Isolated From Clinical Sources1

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