期刊
BIOCHEMISTRY
卷 57, 期 45, 页码 6452-6459出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.biochem.8b00741
关键词
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资金
- New Energy and Industrial Technique Development Organization (NEDO) of Japan, Japan Society for the Promotion of Science (JSPS) KAKENHI [JP25410171, JP16K01931, JP24119506, JP26119703, JP16H01420]
The DNA-binding specificity of genome editing tools can be applied to gene regulation. Recently, multiple artificial transcription factors (ATFs) were shown to synergistically and efficiently regulate gene expression. Chemically triggered protein associations are useful for functional regulation at specific timings. A combination of several inducible protein association systems could enable the regulation of multiple genes at different loci with independent timing. We applied the FKBP-rapamycin-FRB and GAI-gibberellin-GID systems for gene regulation using multiple TALEs and dCas9. By the combined use of currently available systems, reporter gene assays were performed; the results indicated that gene expression was regulated by rapamycin or gibberellin in the presence of the FRB or GAI effector domains, respectively. Furthermore, the activation of endogenous genes was differentially regulated by the system. This success suggests the usability of the chemically inducible multiple ATFs for the time-dependent regulation of multiple genes, such as the case for cellular phenomena that are dependent on the programmable timing of expression and the differential expression of multiple genes.
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