Abstract
Bioethanol is considered as the most important alternative of fossil fuel. Saccharomyces cerevisiae is the most effective ethanol-producing microorganism widely used in the current bioethanol industry. It is very important and urgent to construct strains with excellent inhibitor tolerance and pentose fermenting ability for the production of bioethanol from lignocellulosic biomass. Since the OMICS technologies,including genomics, proteomics,transcriptomics,metabolomics and fluxomics,can reveal the laws of life activities of strains in different level from genotype to phenotype,it has been broadly applied in construction of engineered strains, especially in the identification of target genes,the optimization of metabolic pathway and the reveal of metabolic mechanism. The application of OMICS makes strain construction works more targeted and clarity,and the breeding cycle is greatly shortened. The application and recent progress of OMICS in construction of Saccharomyces cerevisia strains for bioethanol production are discussed.
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