期刊
PROCESS BIOCHEMISTRY
卷 104, 期 -, 页码 83-91出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.procbio.2021.03.006
关键词
Microalgae; Photosynthesis; Antenna molecule; Light-harvesting complex; UV radiations
资金
- Department of Science and Technology (DST) , Government of India, New Delhi [INT/RUS/RFBR/347]
- RUDN University Strategic Academic Leadership Program
Microalgae and their biomass have been advocated for eco-friendly applications, but commercial cultivation is limited by inefficient photosynthetic efficiency. Strategies such as mutagenesis and genetic engineering have been employed to obtain mutant strains with regulated antenna size for enhanced photosynthetic efficiency and overall biomass productivity, but challenges remain.
Microalgae and the associated biomass have been advocated for various eco-friendly applications. Although, microalgae are a good source of biofuels, metabolites, and value-added products, their commercial cultivation suffers from limited biomass yield due to inefficient photosynthetic efficiency. Minimizing the light-harvesting antenna size of the photosystems has been recognized as an effective mechanism to enhance photosynthetic efficiency and overall biomass productivity in microalgal cultures. Several strategies including mutagenesis, through UV radiations and chemical mutagenesis, genetic engineering, and DNA insertional mutagenesis have been employed to obtain mutant strains possessing a regulated antenna with a regulated limited number of lightharvesting molecules. However, there are still a number of challenges associated with antenna mutants that need to be addressed. This review highlights the recent developments in truncated antenna mutants of microalgae, aiming to increase the photosynthetic efficiency and biomass productivity of the respective cultures.
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