Key Enzymes in Fatty Acid Synthesis Pathway for Bioactive Lipids Biosynthesis

Area of Science:

• Biochemistry
• Microbiology
• Nutritional Science

Background:

• Dietary bioactive lipids are crucial nutrients for growth, energy, and disease prevention (e.g., Alzheimer's, cardiovascular diseases).
• Microorganisms like yeast, algae, and marine fungi are promising sources for sustainable lipid production due to efficient biosynthesis.
• Current limitations in microbial lipid production include low stability, concentration, and productivity, stemming from incomplete understanding of key enzymes.

Purpose of the Study:

• To review the characteristics of critical desaturase and elongase enzymes in fatty acid synthesis pathways.
• To provide data for rational enzyme design and modification to enhance dietary bioactive lipid production.
• To deepen the understanding of the synthetic processes for dietary bioactive lipids.

Main Methods:

• Literature review focusing on enzymatic research methods.
• Analysis of critical enzymes such as desaturase and elongase in metabolic pathways.
• Discussion of techniques including site-specific mutagenesis, protein dynamic simulation, and metabolic engineering.

Main Results:

• Identification of desaturase and elongase as key enzymes in microbial fatty acid synthesis.
• Highlighting the potential of enzymatic research methods to overcome production challenges.
• Establishing a foundation for enzyme engineering to improve lipid yield and characteristics.

Conclusions:

• Understanding critical enzymes is vital for optimizing microbial production of dietary bioactive lipids.
• Enzyme rational design and modification can significantly enhance lipid stability, concentration, and productivity.
• This review provides insights for advancing the field of microbial lipid biosynthesis for nutritional and therapeutic applications.