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Published on: January 7, 2019
Genetic engineering for biohydrogen production from microalgae
Jiaqi Zhang1, Dongsheng Xue1, Chongju Wang1
1Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, P.R.China.
Microalgal biohydrogen production offers economic and environmental benefits but faces challenges with low yields and oxygen sensitivity. Genetic and metabolic engineering strategies are explored to enhance this sustainable energy source.
Area of Science:
- Biotechnology and Renewable Energy
Background:
- Biohydrogen production from microalgae presents a sustainable energy alternative with economic and environmental advantages.
- Current limitations in microalgal biohydrogen commercialization stem from low product yields and challenges related to oxygen sensitivity and metabolic complexity.
Purpose of the Study:
- To review genetic and metabolic engineering approaches for enhancing microalgal biohydrogen production.
- To discuss the economic feasibility and future prospects for commercializing microalgal biohydrogen.
Main Methods:
- Review of existing literature on genetic and metabolic engineering studies in microalgal biohydrogen production.
- Analysis of technological challenges, including oxygen sensitivity of hydrogenases and metabolic network complexity.
Main Results:
- Various genetic and metabolic engineering strategies have been investigated to overcome limitations in microalgal biohydrogen yield.
- Challenges persist due to the inherent oxygen sensitivity of hydrogenases and the intricate metabolic pathways in microalgae.
Conclusions:
- Genetic and metabolic engineering hold significant potential for improving microalgal biohydrogen production efficiency.
- Further research and development are crucial for the economic viability and commercialization of microalgal biohydrogen as a sustainable energy source.
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