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Results for “MICROCOCCAL INFECTIONS”

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At least 649 records · Page 36Linked to original sources
PubMed1986

Same-day confirmation of Staphylococcus aureus bacteraemia by a thermonuclease test.

A test to detect thermostable DNase activity (TDNase test) was evaluated for rapid confirmation of S. aureus bacteraemia, using toluidine blue O DNA agar plates for the testing. A total of 226 blood cultures which grew bacteria were examined. S. aureus was identified in 76 of the cultures. All of the S. aureus isolates showed positive TDNase test after 2 h of incubation of the test plates. The remaining isolates examined, most of them coagulase-negative staphylococci, showed a negative test. The TDNase test enables reliable same-day confirmation of S. aureus bacteraemia.

Humans↗
PubMed1958

Acute infection of mice with Smith strain of Staphylococcus aureus.

Two serologically distinct variants found in a unique strain of staphylococcus produce coagulase and are phagocytized, but only one is virulent to mice. Only virulent cocci grow rapidly within leukocytes. Leukocyte destruction by the virulent strain and release of many phagocytized cocci precedes mouse death. The leukocidic agent may be delta-hemolysin.

Animals↗
PubMed1985

Thermonuclease test for same-day identification of Staphylococcus aureus in blood cultures.

We used a thermonuclease test to presumptively identify Staphylococcus aureus directly in blood cultures on the same day that a smear of the broth showed gram-positive cocci in clusters. There were no discrepancies between the identification of S. aureus directly from 250 blood cultures and identification by the tube coagulase test which was performed on the 18- to 24-h subculture isolates. These rapid results were clinically relevant and enabled physicians to make more timely and cost-effective decisions about antibiotic therapy.

Humans↗