A Green Fluorescent Protein with Photoswitchable Emission from the Deep Sea
Author Information
Author(s): Vogt Alexander, D'Angelo Cecilia, Oswald Franz, Denzel Andrea, Mazel Charles H., Matz Mikhail V., Ivanchenko Sergey, Nienhaus G. Ulrich, Wiedenmann Jörg
Primary Institution: Institute of General Zoology and Endocrinology, University of Ulm, Ulm, Germany
Hypothesis
Are there GFP-like proteins in the deep sea that can be used for advanced imaging techniques?
Conclusion
The study identified a new green fluorescent protein, cerFP505, from a deep sea ceriantharian that exhibits bright fluorescence and photoswitchable properties.
Supporting Evidence
- cerFP505 emits bright green fluorescence peaking at 505 nm.
- About 15% of cerFP505 shows reversible ON/OFF photoswitching.
- cerFP505's brightness and photostability are comparable to those of other well-known fluorescent proteins.
Takeaway
Scientists found a special glowing protein in the deep sea that can turn its brightness on and off, which could help in studying cells better.
Methodology
The researchers used a submarine-based fluorescence detection system to discover and analyze the fluorescent properties of the protein from deep sea organisms.
Limitations
The study does not address the potential ecological impacts of collecting deep sea organisms.
Digital Object Identifier (DOI)
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