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Updated: Jan 26, 2026

Author Spotlight: Characterizing Novel Enzymes from Extremophiles and Common Pathogens to Understand DNA Repair and Replication
Published on: July 5, 2024
Metabolic and enzyme engineering for steroid hormone biosynthesis
Qihang Chen1, Changtai Zhang1, Song Liu1
1Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
Abstract:
Steroid hormones are key signaling molecules regulating growth, metabolism, reproduction, and stress adaptation and are widely used as essential pharmaceuticals. Traditional production from sterol feedstocks through multistep chemical or microbial transformations is limited by inefficiency and scalability. Recent advances in synthetic biotechnology enable de novo biosynthesis of steroid hormones from simple carbon sources in yeasts and fungi. This review highlights metabolic rewiring to increase flux, cytochrome P450 enzyme engineering for side-chain cleavage, and hydroxylation to overcome rate-limiting bottlenecks of steroid hormone biosynthesis. We also discuss strategies to redesign steroid-transport pathways to alleviate intracellular accumulation and improve membrane export. Looking ahead, we envision integrating metabolic, enzyme, and transport engineering to build a scalable, data-driven 'intelligent' platform for sustainable steroid hormone biomanufacturing.
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