Abstract
Here we investigate quantitative measures of Förster resonance energy transfer (FRET) efficiency that can be used to quantify protein-protein interactions using fluorescence microscopy images of living cells. We adopt a joint intensity space approach and develop a parametric shot noise model to estimate the uncertainty of FRET efficiency on a per pixel basis. We evaluate our metrics rigorously by simulating photon emission events corresponding to typical conditions and demonstrate advantages of our metrics over the conventional ratiometric one. In particular, our measure is linear, normalised and has greater tolerance to low SNR characteristic of FRET fluorescence microscopy images.
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Supported by Platform for Dynamic Approaches to Living Systems from MEXT Japan.
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Holden, M. (2016). Intramolecular FRET Efficiency Measures for Time-Lapse Fluorescence Microscopy Images. In: Blanc-Talon, J., Distante, C., Philips, W., Popescu, D., Scheunders, P. (eds) Advanced Concepts for Intelligent Vision Systems. ACIVS 2016. Lecture Notes in Computer Science(), vol 10016. Springer, Cham. https://doi.org/10.1007/978-3-319-48680-2_10
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DOI: https://doi.org/10.1007/978-3-319-48680-2_10
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