Table 3.
Fatty acid composition (%) of human serum-grown coagulase-negative staphylococcal species.
| Fatty Acids | Cluster Groups | ||||||
|---|---|---|---|---|---|---|---|
| Auricularis | Epidermidis | Haemolyticus | Saprophyticus | ||||
| S. aureus | S. auricularis | S. capitis | S. epidermidis | S. haemolyticus | S. hominis | S. saprophyticus | |
| SCFA 1 | 43.9 | 44.4 | 39.9 | 28.1 | 39.1 | 32.0 | 30.7 |
| IFAodd 2 | 3.2 | 4.7 | 9.3 | 2.4 | 6.5 | 3.9 | 4.0 |
| IFAeven 3 | 1.0 | 3.9 | 0.5 | 1.5 | 1.1 | 1.3 | 0.8 |
| AFA 4 | 11.1 | 22.4 | 24.7 | 4.0 | 18.4 | 8.0 | 9.6 |
| SCUFA 5 | 40.9 | 24.6 | 25.6 | 63.9 | 34.9 | 54.8 | 55.0 |
| Total BCFAs | 15.3 | 31.0 | 34.5 | 7.9 | 26.0 | 13.2 | 14.4 |
| BCFA:SCFA | 0.35 | 0.70 | 0.86 | 0.28 | 0.66 | 0.41 | 0.47 |
| AFA:IFA | 2.64 | 2.59 | 2.52 | 1.02 | 2.44 | 1.55 | 1.99 |
| SCUFA:SCFA | 0.93 | 0.55 | 0.64 | 2.27 | 0.89 | 1.71 | 1.79 |
1 SCFA, straight-chain fatty acid; 2 IFAodd, iso fatty acid with odd number of carbon atoms; 3 IFAeven, iso fatty acid with even number of carbon atoms; 4 AFA, anteiso fatty acid; 5 SCUFA, straight-chain unsaturated fatty acid; BCFAs, branched-chain fatty acids; BCFAs comprise IFAodd, IFAeven, and AFA.