3 years ago

Red-shifted luciferase–luciferin pairs for enhanced bioluminescence imaging

Red-shifted luciferase–luciferin pairs for enhanced bioluminescence imaging
David Carter, Manuela M Martins-Green, Hui-wang Ai, Omran Karmach, Ao Ji, Hsien-Wei Yeh
Red-shifted bioluminescence reporters are desirable for biological imaging. We describe the development of red-shifted luciferins based on synthetic coelenterazine analogs and corresponding mutants of NanoLuc that enable bright bioluminescence. One pair in particular showed superior in vitro and in vivo sensitivity over commonly used bioluminescence reporters. We adapted this pair to develop a bioluminescence resonance-energy-based Antares reporter called Antares2, which offers improved signal from deep tissues.

Publisher URL: http://dx.doi.org/10.1038/nmeth.4400

DOI: 10.1038/nmeth.4400

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