Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
Department of Food & Nutrition, College of Bio-Nano Technology, Gachon University, Seongnam 13120, South Korea.
Comp Biochem Physiol C Toxicol Pharmacol. 2022 Dec;262:109449. doi: 10.1016/j.cbpc.2022.109449. Epub 2022 Aug 31.
Studies of changes in fatty acids in response to environmental temperature changes have been conducted in many species, particularly mammals. However, few studies have considered aquatic invertebrates, even though they are particularly vulnerable to changes in environmental temperature. In this review, we summarize the process by which animals synthesize common fatty acids and point out differences between the fatty acid profiles of vertebrates and those of aquatic invertebrates. Unlike vertebrates, some aquatic invertebrates can directly synthesize polyunsaturated fatty acids (PUFAs), which can be used to respond to temperature changes. Various studies have shown that aquatic invertebrates increase the degree of saturation in their fatty acids through an increase in saturated fatty acid production or a decrease in PUFAs as the temperature increases. In addition, we summarize recent studies that have examined the complex effects of temperature and combinational stressors to determine whether the degree of saturation in aquatic invertebrates is influenced by other factors. The combined effects of carbon dioxide partial pressure, food quality, starvation, salinity, and chemical exposures have been confirmed, and fatty acid profile changes in response to high temperature were greater than those from combinational stressors.
已经在许多物种中进行了研究脂肪酸对环境温度变化的响应，特别是哺乳动物。然而，很少有研究考虑水生无脊椎动物，尽管它们特别容易受到环境温度变化的影响。在这篇综述中，我们总结了动物合成常见脂肪酸的过程，并指出了脊椎动物和水生无脊椎动物脂肪酸图谱之间的差异。与脊椎动物不同，一些水生无脊椎动物可以直接合成多不饱和脂肪酸（PUFA），可以用来应对温度变化。各种研究表明，水生无脊椎动物通过增加饱和脂肪酸的产量或减少 PUFAs 来增加脂肪酸的饱和度，随着温度的升高。此外，我们总结了最近的一些研究，这些研究检查了温度和组合胁迫因素的复杂影响，以确定水生无脊椎动物的饱和度是否受到其他因素的影响。已经证实了二氧化碳分压、食物质量、饥饿、盐度和化学暴露的综合影响，并且对高温的脂肪酸图谱变化大于对组合胁迫因素的变化。
