Macrococcus
| Macrococcus | |
|---|---|
| Scientific classification | |
| Domain: | Bacteria |
| Phylum: | Firmicutes |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Staphylococcaceae |
| Genus: |
Macrococcus Kloos et al. 1998 |
| Type species | |
|
M. equipercicus |
|
| Species | |
|
Macrococcus bovicus |
|
Macrococcus bovicus
Macrococcus brunensis
Macrococcus carouselicus
Macrococcus caseolyticus
Macrococcus equipercicus
Macrococcus hajekii
Macrococcus lamae
Macrococcus is a genus of Gram-positive cocci belonging to the family Staphylococcaceae. The genus was created in 1998.
The first recognised species in this genus (Macrococcus caseolyticus) was initially named Micrococcus caseolyticus by Evans in 1916. It was then renamed Staphylococcus caseolyticus by Schleifer et al in 1982. It received its current designation in 1998 by Kloos et al.
Members of the genus Macrococcus are Gram-positive, nonmotile, nonspore-forming cocci that are coagulase negative and catalase positive. They can be distinguished phenotypically from most staphylococci on the basis of their cellular morphology (they are 2.5 – 4.0 times larger in diameter compared to Staphylococcus aureus) and their positive reaction. Species in this genus are resistant to bacitracin and lysozyme and sensitive to furazolidone. The DNA base content is 38–45 mol% G+C. The cell walls lack teichoic acid. They are usually unencapsulated.
The type species is Macrococcus equipercicus.
The first genome of this genus was sequenced in 2009
This genus is the closest known relation of the genus Staphylococcus. Within the Staphylococcus genus, the closest relations of the Macrococcus appear to be the Staphylococcus scuri group.
This genus is not known to cause human disease.
A methicillin resistance gene has been identified in this genus. The significance of this discovery is not yet clear.
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