A Dual-Purpose Real-Time Indicator and Transcriptional Integrator for Calcium Detection in Living Cells.
A Dual-Purpose Real-Time Indicator and Transcriptional Integrator for Calcium Detection in Living Cells.
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DOI:
10.1021/acssynbio.1c00597
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发表时间:
2022-03-18
影响因子:
4.7
通讯作者:
Ting, Alice Y.
中科院分区:
文献类型:
--
作者:
Erdenee, Elbegduuren;Ting, Alice Y.
Calcium is a ubiquitous second messenger in eukaryotes, correlated with neuronal activity and T-cell activation among other processes. Real-time calcium indicators such as GCaMP have recently been complemented by newer calcium integrators that convert transient calcium activity into stable gene expression. Here we introduce LuCID, a dual-purpose real-time calcium indicator and transcriptional calcium integrator that combines the benefits of both calcium detection technologies. We show that the calcium-dependent split luciferase component of LuCID provides real-time bioluminescence readout of calcium dynamics in cells, while the GI/FKF1 split GAL4 component of LuCID converts calcium-generated bioluminescence into stable gene expression. We also show that LuCID’s modular design enables it to also read out other cellular events such as protein-protein interactions. LuCID adds to the arsenal of tools for studying cells and cell populations that utilize calcium for signaling.
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DOI:
10.1073/pnas.97.13.7260
发表时间:
2000-06-20
影响因子:
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作者:
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通讯作者:
Brûlet, P