Which of the following is most useful to differentiate Micrococci from Staphylococci
Micrococci: gram-positive cocci which occur mostly in pairs, tetrads or irregular clusters. They are catalase and modified oxidase positive and aerobic. Non-pathogenic resemble staphylococci but in stained smears, the cells are generally larger and more gram variable than staphylococci and appear in tetrads. A common laboratory method to differentiate between micrococci and staphylococci is Hugh and Leifson's oxidation fermentation test in which micrococci show oxidative and staphylococci show fermentative patterns. Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; 10th Edition; Page No: 209
Catalase test
Hugh Leifson test
Oxidase test
All of the above
Bacteriology