They were: Hannaella sinensis (DMKU-RP45), Cryptococcus flavus (DMKU-RE12, DMKURE19, DMKU-RE67, and DMKU-RP128), Torulaspora globosa (DMKU-RP31), and Rhodosporidium paludigenum (DMKURP301), which was the best IAA-producing strain obtained in this study.