期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 9, 期 8, 页码 2045-2051出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201402220
关键词
Pumilio; protein complementation; ribonucleoprotein complexes; RNA; self-assembly
资金
- Emmy Noether program [RE2796/2-1]
- Cluster of Excellence, EXC 1003 Cells in Motion - Munster, Germany of the DFG
- Fonds der Chemischen Industrie
Ribonucleoprotein (RNP) complexes are widespread in nature and play crucial roles in gene regulation, RNA processing, and translation. Novel technologies, such as CRISPR-mediated genome engineering, stress the potential of RNP complexes to carry out complex tasks in molecular biology. Here we report a bottom-up approach for the programmable self-assembly of RNP complexes. The building blocks for RNP complex formation are RNAs and Pumilio proteins that can bind to RNA sequence-specifically. Correct RNP assembly triggers protein complementation of a tripartite GFP, thereby resulting in up to 25-fold increased fluorescence, and is strictly dependent on the correct RNA sequences. Our results indicate that Pumilio and guide RNAs are suitable building blocks for the correct self-assembly of RNP complexes consisting of up to six different components. Self-assembling RNP complexes might prove useful for complex biotechnological applications in RNA sensing, imaging, or processing.
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