Utilization of a Strongly Inducible Promoter to Control Gene Expression in .

Front Microbiol

Beijing Key Laboratory of DNA Damage Response and College of Life Sciences, Capital Normal University, Beijing, China.

Published: November 2018

Regulating target gene expression is a common method in yeast research. In , there are several widely used regulated expression systems, such as the and Tet-off systems. However, all current expression systems possess some intrinsic deficiencies. We have previously reported that the gene can be induced to very high levels upon cyanamide or methyl methanesulfonate treatment. Here we report the construction of gene expression systems based on the promoter in both single- and multi-copy plasmids. Using as a reporter gene, it was demonstrated that the target gene expression could be increased by up to 2,000-fold at the transcriptional level by utilizing the above systems. In addition, a -based construct was created for promoter shuffling in the budding yeast genome to control endogenous gene expression. Overall, this study offers a set of convenient and highly efficient experimental tools to control target gene expression in budding yeast.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6250804PMC
http://dx.doi.org/10.3389/fmicb.2018.02736DOI Listing

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