Optogenetics at the presynapse

BR Rost, J Wietek, O Yizhar, D Schmitz - Nature neuroscience, 2022 - nature.com
Optogenetic actuators enable highly precise spatiotemporal interrogation of biological
processes at levels ranging from the subcellular to cells, circuits and behaving organisms …

Optical approaches for investigating neuromodulation and G protein–coupled receptor signaling

DJ Marcus, MR Bruchas, G Schulte - Pharmacological Reviews, 2023 - Elsevier
Despite the fact that roughly 40% of all US Food and Drug Administration (FDA)-approved
pharmacological therapeutics target G protein–coupled receptors (GPCRs), there remains a …

A photoswitchable GPCR-based opsin for presynaptic inhibition

BA Copits, R Gowrishankar, PR O'Neill, JN Li… - Neuron, 2021 - cell.com
Optical manipulations of genetically defined cell types have generated significant insights
into the dynamics of neural circuits. While optogenetic activation has been relatively …

High-performance optical control of GPCR signaling by bistable animal opsins MosOpn3 and LamPP in a molecular property–dependent manner

M Koyanagi, B Shen, T Nagata, L Sun… - Proceedings of the …, 2022 - National Acad Sciences
Optical control of G protein-coupled receptor (GPCR) signaling is a highly valuable
approach for comprehensive understanding of GPCR-based physiologies and controlling …

[HTML][HTML] Eyeless razor clam Sinonovacula constricta discriminates light spectra through opsins to guide Ca2+ and cAMP signaling pathways

F Kong, Z Ran, M Zhang, K Liao, D Chen, X Yan… - Journal of Biological …, 2024 - ASBMB
Phototransduction is based on opsins that drive distinct types of Gα cascades. Although
nonvisual photosensitivity has long been known in marine bivalves, the underlying …

A self-inactivating invertebrate opsin optically drives biased signaling toward Gβγ-dependent ion channel modulation

H Tsukamoto, Y Kubo - Proceedings of the National …, 2023 - National Acad Sciences
Animal opsins, light-sensitive G protein-coupled receptors, have been used for optogenetic
tools to control G protein-dependent signaling pathways. Upon G protein activation, the Gα …

Optogenetic control of receptors reveals distinct roles for actin-and Cdc42-dependent negative signals in chemotactic signal processing

GRR Bell, E Rincón, E Akdoğan, SR Collins - Nature Communications, 2021 - nature.com
During chemotaxis, neutrophils use cell surface G Protein Coupled Receptors to detect
chemoattractant gradients. The downstream signaling system is wired with multiple …

Lamprey parapinopsin (“UVLamP”): a bistable UV‐sensitive optogenetic switch for ultrafast control of GPCR pathways

D Eickelbeck, T Rudack, SA Tennigkeit… - …, 2020 - Wiley Online Library
Optogenetics uses light‐sensitive proteins, so‐called optogenetic tools, for highly precise
spatiotemporal control of cellular states and signals. The major limitations of such tools …

Using a bistable animal opsin for switchable and scalable optogenetic inhibition of neurons

J Rodgers, B Bano‐Otalora, MDC Belle, S Paul… - EMBO …, 2021 - embopress.org
There is no consensus on the best inhibitory optogenetic tool. Since Gi/o signalling is a
native mechanism of neuronal inhibition, we asked whether Lamprey Parapinopsin …

Extraocular, rod-like photoreceptors in a flatworm express xenopsin photopigment

KA Rawlinson, F Lapraz, ER Ballister, M Terasaki… - elife, 2019 - elifesciences.org
Animals detect light using opsin photopigments. Xenopsin, a recently classified subtype of
opsin, challenges our views on opsin and photoreceptor evolution. Originally thought to …