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The Role of Metabolic Engineering Technologies for the Production of Fatty Acids in Yeast

文献类型： 外文期刊

作者： Ullah, Numan 1 ; Shahzad, Khuram 2 ; Wang, Mengzhi 1 ;

作者机构： 1.Yangzhou Univ, Coll Anim Sci & Technol, 48 Wenhui East Rd, Yangzhou 225009, Jiangsu, Peoples R China

2.COMSATS Univ Islamabad, Dept Biosci, Pk Rd, Islamabad 45550, Pakistan

3.Xinjiang Acad Agr Reclamat Sci, State Key Lab Sheep Genet Improvement & Hlth Prod, Shihezi 832000, Peoples R China

关键词： metabolic engineering technologies; fatty acid production; fatty acid in yeast

期刊名称：BIOLOGY-BASEL （ 影响因子：5.079； ）

ISSN：

年卷期： 2021 年 10 卷 7 期

页码：

收录情况： SCI

摘要： Simple Summary Metabolic engineering involves the sustainable production of high-value products. E. coli and yeast, in particular, are used for such processes. Using metabolic engineering, the biosynthetic pathways of these cells are altered to obtain a high production of desired products. Fatty acids (FAs) and their derivatives are products produced using metabolic engineering. However, classical methods used for engineering yeast metabolic pathways for the production of fatty acids and their derivatives face problems such as the low supply of key precursors and product tolerance. This review introduces the different ways FAs are being produced in E. coli and yeast and the genetic manipulations for enhanced production of FAs. The review also summarizes the latest techniques (i.e., CRISPR-Cas and synthetic biology) for developing FA-producing yeast cell factories. Metabolic engineering is a cutting-edge field that aims to produce simple, readily available, and inexpensive biomolecules by applying different genetic engineering and molecular biology techniques. Fatty acids (FAs) play an important role in determining the physicochemical properties of membrane lipids and are precursors of biofuels. Microbial production of FAs and FA-derived biofuels has several advantages in terms of sustainability and cost. Conventional yeast Saccharomyces cerevisiae is one of the models used for FA synthesis. Several genetic manipulations have been performed to enhance the citrate accumulation and its conversation into acetyl-CoA, a precursor for FA synthesis. Success has been achieved in producing different chemicals, including FAs and their derivatives, through metabolic engineering. However, several hurdles such as slow growth rate, low oleaginicity, and cytotoxicity are still need to be resolved. More robust research needs to be conducted on developing microbes capable of resisting diverse environments, chemicals, and cost-effective feed requirements. Redesigning microbes to produce FAs with cutting-edge synthetic biology and CRISPR techniques can solve these problems. Here, we reviewed the technological progression of metabolic engineering techniques and genetic studies conducted on S. cerevisiae, making it suitable as a model organism and a great candidate for the production of biomolecules, especially FAs.

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