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Issue:
Effects of organic solvents on 11α-hydroxylation of steroid by Rhizopus nigricans
Author(s):
ZHOU Hao-li
,
ZHANG Yan
,
LU Wen-yu
,
WEN Jian-ping
Pages:
52
-
55
Year:
2008
Issue:
2
Journal:
INDUSTRIAL MICROBIOLOGY
Keyword:
有机溶剂
;
黑根霉
;
转化率
;
细胞色素P450
;
Abstract:
考察了有机溶剂对黑根霉甾体11α-羟基化反应中转化底物16α,17α-环氧孕甾酮生成11 α, 16α,17α-环氧孕甾酮的转化率和细胞色素P450酶浓度的影响.向培养28 h的培养液中添加终浓度0.035 mol/L的丙酮和1.75 g/L的底物,继续转化48 h.与未添加丙酮相比,添加丙酮后的底物转化率和细胞色素P450酶表达量分别提高了6.8%和30%.说明丙酮添加可明显提高黑根霉甾体11α-羟基化能力和细胞色素P450酶的表达.
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