Application of FRET-Based Biosensor "ATeam" for Visualization of ATP Levels in the Mitochondrial Matrix of Living Mammalian Cells.
MITOCHONDRIA: PRACTICAL PROTOCOLS, 2ND EDITION(2017)
摘要
Genetically encoded biosensors utilizing the Förster resonance energy transfer (FRET) are powerful tools for live cell imaging of various cellular processes. Our group has previously developed a series of FRET-based biosensors, named "ATeam," for visualization of ATP levels inside a single living cell. ATeam not only provides a window of insight into a single cell but also allows for visualization of ATP levels in mitochondrial matrix of a single living cell. This novel tool is able to monitor alterations in cellular ATP in response to various treatments in real time. Here we present a method for the evaluation of ATP levels in mitochondria in living cells by using ATeam. At the end of this chapter, an example of experimental results is described for a better understanding of the presented procedure.
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关键词
Fluorescent biosensor, FRET, Live imaging, ATP, ATeam
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