A bioreactor for in-cell protein NMR.
A bioreactor for in-cell protein NMR.
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DOI:
10.1016/j.jmr.2009.10.008
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发表时间:
2010-02
期刊:
影响因子:
--
通讯作者:
Pielak GJ
中科院分区:
文献类型:
--
作者:
Sharaf NG;Barnes CO;Charlton LM;Young GB;Pielak GJ
The inside of the cell is a complex environment that is difficult to simulate when studying proteins and other molecules in vitro. We have developed a device and system that provides a controlled environment for Nuclear Magnetic Resonance (NMR) experiments involving living cells. Our device comprises two main parts, an NMR detection region and a circulation system. The flow of medium from the bottom of the device pushes alginate encapsulated cells into the circulation chamber. In the chamber, the exchange of oxygen and nutrients occurs between the media and the encapsulated cells. When the media flow is stopped, the encapsulated cells fall back into the NMR detection region, and spectra can be acquired. We have utilized the bioreactor to study the expression of the natively disordered protein α-synuclein, inside Escherichia coli cells.
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