期刊
SYNTHETIC AND SYSTEMS BIOTECHNOLOGY
卷 7, 期 2, 页码 689-704出版社
KEAI PUBLISHING LTD
DOI: 10.1016/j.synbio.2022.01.002
关键词
Astaxanthin; Carotenoids; Metabolic engineering; Microbial cell factories; Lipid; Fermentation; Antioxidants
资金
- National Key Research and Development Program of China [2020YFA0907800]
- Shandong Jincheng Bio-Pharmaceutical Co., Ltd.
The demand for natural astaxanthin in the global market is increasing rapidly, and producing it through native producers is facing challenges of limited yield and high cost. Using nonnative microbial cell factories is a promising strategy to overcome these limitations.
The global market demand for natural astaxanthin is rapidly increasing owing to its safety, the potential health benefits, and the diverse applications in food and pharmaceutical industries. The major native producers of natural astaxanthin on industrial scale are the alga Haematococcus pluvialis and the yeast Xanthopyllomyces dendrorhous. However, the natural production via these native producers is facing challenges of limited yield and high cost of cultivation and extraction. Alternatively, astaxanthin production via metabolically engineered nonnative microbial cell factories such as Escherichia coli, Saccharomyces cerevisiae and Yarrowia lipolytica is another promising strategy to overcome these limitations. In this review we summarize the recent scientific and biotechnological progresses on astaxanthin biosynthetic pathways, transcriptional regulations, the interrelation with lipid metabolism, engineering strategies as well as fermentation process control in major native and nonnative astaxanthin producers. These progresses illuminate the prospects of producing astaxanthin by microbial cell factories on industrial scale.
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