TABLE 1.
Fatty acids of stationary-phase S. Typhimurium ATCC14028s wild-type and cfa mutant strains
| Fatty acida | No. of carbons:no. of double bonds | Wild type |
cfa mutant |
||
|---|---|---|---|---|---|
| Fatty acid leveld | Conversion of CFA (%)e | Fatty acid leveld | Conversion of CFA (%)e | ||
| SFA | 12:0 | 1.3 | 0.88 | ||
| SFA | 14:0 | 4.6 | 6.2 | ||
| SFA | 15:0 | 4.4 | 6.0 | ||
| SFA | 16:0 | 29.0 | 27.7 | ||
| UFA | 16:1b | 3.2 | 30.0 | ||
| SFA | 17:0 | 3.2 | 4.4 | ||
| CFA | 17:cyclopropane | 27.4 | 89.5 | 1.1 | 3.5 |
| SFA | 18:0 | 0.36 | 1.4 | ||
| UFA | 18:1c | 9.3 | 23.0 | ||
| CFA | 19:cyclopropane | 17.1 | 64.8 | 0 | 0 |
a
Saturated fatty acid (SFA), unsaturated fatty acid (UFA), cyclopropane fatty acid (CFA).
b
6:1 UFA precursor of 17:cyclopropane.
c
18:1, UFA precursor of 19:cyclopropane.
d
Fatty acid levels in %weight = ([peak area/sum of all peaks] × 100).
e
%Conversion of CFA = (%CFA/[%UFA + %CFA]/100).