Production of 5,8,11-eicosatrienoic acid by a Δ5 and Δ6 desaturation activity-enhanced mutant derived from a Δ12 desaturation activity-defective mutant of Mortierella alpina 1S-4. - Sakuradani, E.; Kamada, N.; Hirano, Y.; Nishihara, M.; Kawashima, H.; Akimoto, K.; Higashiyama, K.; Ogawa, J.; Shimizu, S. (Applied Microbiology & Biotechnology, 2002)