1. Introduction2. Microbial lipids -- Applications and market3. Lipid chemistry and physicochemistry4. Lipid biochemistry and biosynthesis5. Analysis of lipids6. Conventional sources of lipids7. Alternative sources for lipids production8. Lipids produced by filamentous fungi9. Lipids produced by yeasts and chytrids10. Lipids produced by microalgae11. Lipid production using agricultural residues12. Lipid production from liquid effluents13. Downstream processing and formulation of microbial lipids14. Biofuels from microbial lipids15. Non-conventional microbial lipids16. Biorefineries and circular economy in the production of lipids