Gill C O, Suisted J R
J Gen Microbiol. 1978 Jan;104(1):31-6. doi: 10.1099/00221287-104-1-31.
The effects of temperature and growth rate on the fatty acid composition of the extractable lipids of four mesophilic and three psychotrophic bacteria were examined. Two of the mesophiles (Escherichia coli and Pseudomonas aeruginosa) increased the proportion of unsaturated fatty acids in their lipids with decreasing temperature over their whole growth temperature range. The other mesophiles (Enterobacter aerogenes and Lactobacillus casei) increased the proportion of unsaturated fatty acids with decreasing temperature only over the lower half of their growth temperature ranges. The psychrotrophs Pseudomonas fluorescens and Enterobacter sp. had a constant proportion of unsaturated acids over the lower half of their growth temperature range, while the psychotrophic Lactobacillus sp. showed no consistent change in its unsaturated fatty acid composition with temperature. All species showed some variation of unsaturated fatty acid composition with growth rate at the highest and lowest growth temperatures, although such variations were small in some species (Ent. aerogenes and Lactobacillus sp.).
研究了温度和生长速率对四种嗜温菌和三种嗜冷菌可提取脂质脂肪酸组成的影响。其中两种嗜温菌（大肠杆菌和铜绿假单胞菌）在其整个生长温度范围内，随着温度降低，其脂质中不饱和脂肪酸的比例增加。其他嗜温菌（产气肠杆菌和干酪乳杆菌）仅在其生长温度范围的下半部分随着温度降低而增加不饱和脂肪酸的比例。嗜冷菌荧光假单胞菌和肠杆菌属在其生长温度范围的下半部分不饱和酸比例恒定，而嗜冷乳杆菌属的不饱和脂肪酸组成随温度没有呈现出一致的变化。所有菌种在最高和最低生长温度下，不饱和脂肪酸组成均随生长速率有所变化，尽管某些菌种（产气肠杆菌和乳杆菌属）的这种变化很小。
