Table 1.

Phospholipid compositions of wild-type cells and Nisr cells grown in the absence of nisin and Nisr cells grown with nisin

Phospholipid% of total phospholipids fora:
Cells grown without nisinNisr cells grown with nisinb
Wild typeNisr
Phosphatidylglycerol28.6 ± 5.8A26.8 ± 4.3A24.6 ± 3.2A
Cardiolipin21.8 ± 5.8A23.3 ± 1.9A18.3 ± 5.6A
Phosphatidylethanolamine8.7 ± 3.7A7.5 ± 0.8A16.2 ± 3.4B
Amino-containing phospholipids23.4 ± 6.1A25.8 ± 2.5A26.7 ± 6.7A
Unidentified phospholipid8.2 ± 1.4A7.21 ± 1.6A6.0 ± 0.3A
Unidentified phospholipid9.7 ± 6.0A9.5 ± 5.8A6.9 ± 4.0A
Anionic phospholipids (phosphatidylglycerol + cardiolipin)50.4 ± 7.7A50.1 ± 4.2A41.4 ± 5.5B
  • a Values are means ± standard deviations from at least three independent experiments. Different letters indicate statistically significant (P < 0.05) differences between strains for a given phospholipid.

  • b Nisin preparation (1,000 IU/ml).