Emerging prospects of microbial production of omega fatty acids: Recent updates

Anil Kumar Patel, Ajeet Singh Chauhan, Prashant Kumar, Philippe Michaud, Vijai Kumar Gupta, Jo-Shu Chang, Chiu-Wen Chen, Cheng-Di Dong*, Reeta Rani Singhania

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

24 Citations (Scopus)
6 Downloads (Pure)


Healthy foods containing omega-3/omega-6 polyunsaturated fatty acids (PUFAs) have been in great demand because of their unique dietary and health properties. Reduction in chronic inflammatory and autoimmune diseases has shown their therapeutic and health-promoting effects when consumed under recommended ratio 1:1-1:4, however imbalanced ratios (>1:4, high omega-6) enhance these risks. The importance of omega-6 is apparent however microbial production favors larger production of omega-3. Current research focus is prerequisite to designing omega-6 production strategies for better application prospects, for which thraustochytrids could be promising due to higher lipid productivity. This review provides recent updates on essential fatty acids production from potential microbes and their application, especially major insights on omega research, also discussed the novel possible strategies to promote omega-3 and omega-6 accumulation via engineering and omics approaches. It covers strategies to block the conversion of omega-6 into omega-3 by enzyme inhibition, nanoparticle-mediated regulation and/or metabolic flux regulation, etc.

Original languageEnglish
Article number127534
JournalBioresource Technology
Early online date28 Jun 2022
Publication statusPrint publication - Sept 2022

Bibliographical note

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  • Lipid
  • Microalgae
  • Omega fatty acids
  • Polyunsaturated fatty acids
  • Thraustochytrids


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