Fungal transformation of methyltestosterone by the soil ascomycete Acremonium strictum to some hydroxy derivatives of 17-methylsteroid
作者:N. Nassiri-Koopaei、M. Mogharabi、M. Amini、A. Shafiee、M. A. Faramarzi
DOI:10.1007/s10600-013-0703-0
日期:2013.9
The ascomycete Acremonium strictum was used for the biotransformation of methyltestosterone (1), a pharmaceutical steroid substance, into some steroid derivatives (6β-hydroxy-17α-methyltestosterone (2), 6β,12β-dihydroxy-17α-methyltestosterone (3), 7β-hydroxy-17α-methyltestosterone (4), 6β,17β-dihydroxy-17α-methylandrosta-1,4-dien-3-one (5), and 3,17β-dihydroxy-17α-methylestra-1,3,5(10)-triene (6).
子囊菌 Acremonium strictum 用于将药用类固醇物质甲基睾酮 (1) 生物转化为一些类固醇衍生物 (6β-羟基-17α-甲基睾酮 (2)、6β,12β-二羟基-17α-甲基睾酮 (3)、7β -羟基-17α-甲基睾酮 (4)、6β,17β-dihydroxy-17α-methylandrosta-1,4-dien-3-one (5) 和 3,17β-dihydroxy-17α-methylestra-1,3,5( 10)-三烯(6)在添加1mM底物的沙氏葡萄糖肉汤(SDB)中进行发酵,温度和通气速率分别调整为30℃和150rpm。观察到 C-6β、C-7β 和 C-12β 的羟基化、1,2-脱氢和环 A 芳构化。最佳发酵条件,如温度、底物浓度、pH、孵育时间和通气,发现分别为 25°C、1 mM、pH 6.5、6 天和 150 rpm,最大生物转化为 1。