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Engineered photoreceptors as novel optogenetic tools

Title data

Möglich, Andreas ; Moffat, Keith:
Engineered photoreceptors as novel optogenetic tools.
In: Photochemical & Photobiological Sciences. Vol. 9 (28 October 2010) Issue 10 . - pp. 1286-1300.
ISSN 1474-9092
DOI: https://doi.org/10.1039/c0pp00167h

Project information

Project financing: National Insitituts of Health

Abstract in another language

Cellular processes and indeed the survival of entire organisms crucially depend on precise spatiotemporal coordination of a multitude of molecular events. A new tool in cell biology is denoted "optogenetics" which describes the use of genetically encoded, light-gated proteins, i.e. photoreceptors, which perturb and control cellular and organismal behavior in a spatiotemporally exact manner. Photoreceptors resemble fluorescent reporter proteins such as GFP in being genetically encoded, non-invasive, and applicable to intact cells and organisms. They are explicitly intended to modulate activity; in contrast, fluorescent proteins generally do not disturb the processes under study. Fluorescent proteins have revolutionized cell biology because they allow the monitoring of such processes by imaging techniques that offer superb spatiotemporal resolution and sensitivity. Optogenetics extends these advantages to offer control. The scope of optogenetics has recently been expanded beyond the use of naturally occurring photoreceptors by the biologically-inspired design of engineered (or synthetic) photoreceptors. These photoreceptors are derived by fusion of one or more light-absorbing sensor domains with an output or effector domain displaying the activity to be controlled. Here, we focus on the design and application of such engineered photoreceptors. We treat basic signaling principles and discuss the two photosensor classes which are currently most widely used in fusion-based design: LOV domains and phytochromes. Based on these principles, we develop general strategies for the engineering of photoreceptors. Finally, we review recently successful examples of the design and application of engineered photoreceptors. Our perspective provides guidelines for researchers interested in developing and applying novel optogenetic tools.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: PubMed-ID: 20835487
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry > Chair Biochemistry - Univ.-Prof. Dr. Andreas Möglich
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Professorship Biochemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 19 May 2015 08:29
Last Modified: 19 May 2015 08:30
URI: https://eref.uni-bayreuth.de/id/eprint/13601