the cytoplasmic and outer membranes containing either trans-delta-9-octadecenoate , trans-delta-9-hexadecenoate or cis-delta-9-octadecenoate as predominant unsaturated fatty acid residues in the phospholipids were prepared from a fatty acid auxotroph , escherichia coli strain k1062 .
C0015690
unsaturated fatty acid
C0015684
fatty acid