Staphylococcus lugdunensis
species of bacterium
Staphylococcus lugdunensis is a coagulase-negative member of the genus Staphylococcus, consisting of Gram-positive bacteria with spherical cells that appear in clusters.
History
This species was first described in 1988 after being differentiated through DNA analysis. Its name comes from Lugdunum, the Latin name for Lyon, France, where the organism was first isolated.
Description
Colonies of S. lugdunensis are usually hemolytic, sticky, yellow or tan, and about 2–4 mm in diameter after a 48-hour incubation. Colonies may also give off a bleach-like odor similar to that of Eikenella corrodens. S. lugdunensis may produce a bound coagulase (that is, the enzyme is bound to the cells), a property it shares with S. aureus, but unlike S. aureus, it does not produce a free coagulase. In the laboratory, it can give a positive slide-coagulase test but a negative tube-coagulase test. It is fairly easy to identify because, unlike the great majority of staphylococci, it decarboxylates ornithine and is positive for pyrrolidonyl arylamidase.
In the past, it was frequently misidentified as S. hominis, S. aureus, or other species. It occurs as a commensal on human skin, but has been recorded as a cause of serious human infections, such as osteomyelitis, arthritis, septicaemia, wound infections, and aggressive endocarditis.
The public source identifies “Staphylococcus lugdunensis” as species of bacterium. This brief keeps that definition visible, then builds a research path around Staphylococcus, lugdunensis and species.
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This entry incorporates text from “Staphylococcus lugdunensis” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.