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Title: Green to red photoconversion of GFP for protein tracking in vivo

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep11771· OSTI ID:1624778
 [1];  [2];  [3];  [4];  [1]
  1. Cornell University, Ithaca, 14853, NY (United States). Department of Molecular Biology and Genetics
  2. University of Western Ontario, London, ON (Canada). Dept. of Biology
  3. Cornell University, Ithaca, 14853, NY (United States). Department of Biomedical Engineering
  4. University of Western Ontario, London, ON (Canada). Department of Biology

A variety of fluorescent proteins have been identified that undergo shifts in spectral emission properties over time or once they are irradiated by ultraviolet or blue light. Such proteins are finding application in following the dynamics of particular proteins or labelled organelles within the cell. However, before genes encoding these fluorescent proteins were available, many proteins have already been labelled with GFP in transgenic cells; a number of model organisms feature collections of GFP-tagged lines and organisms. Here we describe a fast, localized and non-invasive method for GFP photoconversion from green to red. We demonstrate its use in transgenic plant, Drosophila and mammalian cells in vivo. While genes encoding fluorescent proteins specifically designed for photoconversion will usually be advantageous when creating new transgenic lines, our method for photoconversion of GFP allows the use of existing GFP-tagged transgenic lines for studies of dynamic processes in living cells.

Research Organization:
Cornell Univ., Ithaca, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0002628
OSTI ID:
1624778
Journal Information:
Scientific Reports, Vol. 5, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (10)

Cellular GFP Toxicity and Immunogenicity: Potential Confounders in in Vivo Cell Tracking Experiments journal July 2016
Repeat‐associated non‐ AUG translation in C9orf72‐ ALS / FTD is driven by neuronal excitation and stress journal January 2019
Protein Bodies in Leaves Exchange Contents through the Endoplasmic Reticulum journal May 2016
Transgenic Mouse Models in Cancer Research journal July 2018
Role of Hydrogen Bonding in Green Fluorescent Protein-like Chromophore Emission journal August 2019
Genetically encoded indicators of neuronal activity journal August 2016
A whole-cell electron tomography model of vacuole biogenesis in Arabidopsis root cells journal December 2018
Protein bodies: how the ER deals with high accumulation of recombinant proteins journal May 2017
A novel myelin protein zero transgenic zebrafish designed for rapid readout of in vivo myelination journal January 2019
The rise of photoresponsive protein technologies applications in vivo: a spotlight on zebrafish developmental and cell biology journal April 2017

Figures / Tables (5)


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