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作者单位:Dae-Jung Kang (1) (2) Jong-Hyuk Im (2) Jae-Hoon Kang (2) Kyoung Heon Kim (1)
1. Department of Biotechnology, Graduate School, Korea University, Seoul, 136-713, Republic of Korea 2. Research Laboratories, Ildong Pharmaceutical, Hwaseong, 445-170, Republic of Korea
Objectives Resting cells of Pseudonocardia sp. KCTC 1029BP were used for the bioconversion of vitamin D3 to calcifediol which is widely used to treat osteomalacia and is industrially produced by chemical synthesis.