» Articles » PMID: 11752449

Genetically Encoded Fluorescent Reporters of Protein Tyrosine Kinase Activities in Living Cells

Overview
Specialty Science
Date 2001 Dec 26
PMID 11752449
Citations 138
Authors
Affiliations
Soon will be listed here.
Abstract

The complexity and specificity of many forms of signal transduction are widely believed to require spatial compartmentation of protein kinase and phosphatase activities, yet existing methods for measuring kinase activities in cells lack generality or spatial or temporal resolution. We present three genetically encoded fluorescent reporters for the tyrosine kinases Src, Abl, and epidermal growth factor (EGF) receptor. The reporters consist of fusions of cyan fluorescent protein (CFP), a phosphotyrosine binding domain, a consensus substrate for the relevant kinase, and yellow fluorescent protein (YFP). Stimulation of kinase activities in living cells with addition of growth factors causes 20-35% changes in the ratios of yellow to cyan emissions because of phosphorylation-induced changes in fluorescence resonance energy transfer (FRET). Platelet-derived growth factor (PDGF) stimulated Abl activity most strongly in actin-rich membrane ruffles, supporting the importance of this tyrosine kinase in the regulation of cell morphology. These results establish a general strategy for nondestructively imaging dynamic protein tyrosine kinase activities with high spatial and temporal resolution in single living cells.

Citing Articles

Molecular Spies in Action: Genetically Encoded Fluorescent Biosensors Light up Cellular Signals.

Gest A, Sahan A, Zhong Y, Lin W, Mehta S, Zhang J Chem Rev. 2024; 124(22):12573-12660.

PMID: 39535501 PMC: 11613326. DOI: 10.1021/acs.chemrev.4c00293.


Perspectives on Synthetic Protein Circuits in Mammalian Cells.

Aldrete C, An C, Call C, Gao X, Vlahos A Curr Opin Biomed Eng. 2024; 32.

PMID: 39372446 PMC: 11448451. DOI: 10.1016/j.cobme.2024.100555.


On-demand expansion fluorescence and photoacoustic microscopy (ExFLPAM).

Mu X, Ma C, Mei X, Liao J, Bojar R, Kuang S Photoacoustics. 2024; 38:100610.

PMID: 38726025 PMC: 11079527. DOI: 10.1016/j.pacs.2024.100610.


Investigating Heterogeneous Cell-Cycle Progression Using Single-Cell Imaging Approaches.

Yang H Methods Mol Biol. 2024; 2740:263-273.

PMID: 38393481 DOI: 10.1007/978-1-0716-3557-5_16.


Unravelling molecular dynamics in living cells: Fluorescent protein biosensors for cell biology.

Sanchez C, Ramirez A, Hodgson L J Microsc. 2024; .

PMID: 38357769 PMC: 11324865. DOI: 10.1111/jmi.13270.


References
1.
Plattner R, Kadlec L, DeMali K, Kazlauskas A, Pendergast A . c-Abl is activated by growth factors and Src family kinases and has a role in the cellular response to PDGF. Genes Dev. 1999; 13(18):2400-11. PMC: 317022. DOI: 10.1101/gad.13.18.2400. View

2.
Ng T, Squire A, Hansra G, Bornancin F, Prevostel C, Hanby A . Imaging protein kinase Calpha activation in cells. Science. 1999; 283(5410):2085-9. DOI: 10.1126/science.283.5410.2085. View

3.
Cotton G, Muir T . Generation of a dual-labeled fluorescence biosensor for Crk-II phosphorylation using solid-phase expressed protein ligation. Chem Biol. 2000; 7(4):253-61. DOI: 10.1016/s1074-5521(00)00100-9. View

4.
Sun X, Majumder P, Shioya H, Wu F, Kumar S, Weichselbaum R . Activation of the cytoplasmic c-Abl tyrosine kinase by reactive oxygen species. J Biol Chem. 2000; 275(23):17237-40. DOI: 10.1074/jbc.C000099200. View

5.
Escalante M, Courtney J, Chin W, Teng K, Kim J, Fajardo J . Phosphorylation of c-Crk II on the negative regulatory Tyr222 mediates nerve growth factor-induced cell spreading and morphogenesis. J Biol Chem. 2000; 275(32):24787-97. DOI: 10.1074/jbc.M000711200. View