
mRNA expressing mCherry fluorescent protein
mCherry mRNA encodes a monomeric red fluorescent protein (RFP) derived from DsRed, a tetrameric fluorescent protein originally isolated from Discosoma sp. coral. It was engineered through directed evolution of mRFP1 by the Tsien laboratory to improve brightness, photostability, and maturation speed. mCherry exhibits excitation and emission maxima at approximately 587 nm and 610 nm, respectively, producing a bright red fluorescence well-suited for multicolor imaging and FRET applications. Its monomeric nature prevents the artifactual protein aggregation associated with oligomeric RFPs, making it ideal as a fusion tag for live-cell imaging, subcellular localization studies, and reporter assays.
Applications:
1) Shaner, N. C., Campbell, R. E., Steinbach, P. A., Giepmans, B. N. G., Palmer, A. E., & Tsien, R. Y. (2004). Improved monomeric red, orange and yellow fluorescent proteins derived from Discosoma sp. red fluorescent protein. Nature Biotechnology, 22(12), 1567–1572
2) Campbell, R. E., Tour, O., Palmer, A. E., Steinbach, P. A., Baird, G. S., Zacharias, D. A., & Tsien, R. Y. (2002). A monomeric red fluorescent protein. PNAS, 99(12), 7877–7882
3) Shaner, N. C., Steinbach, P. A., & Tsien, R. Y. (2005). A guide to choosing fluorescent proteins. Nature Methods, 2(12), 905–909
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