Microbial rhodopsins: the last two decades

A Rozenberg, K Inoue, H Kandori… - Annual review of …, 2021 - annualreviews.org
Microbial rhodopsins are diverse photoreceptive proteins containing a retinal chromophore
and are found in all domains of cellular life and are even encoded in genomes of viruses …

Microbial rhodopsins: diversity, mechanisms, and optogenetic applications

EG Govorunova, OA Sineshchekov, H Li… - Annual review of …, 2017 - annualreviews.org
Microbial rhodopsins are a family of photoactive retinylidene proteins widespread
throughout the microbial world. They are notable for their diversity of function, using …

Kalium channelrhodopsins are natural light-gated potassium channels that mediate optogenetic inhibition

EG Govorunova, Y Gou, OA Sineshchekov, H Li… - Nature …, 2022 - nature.com
Channelrhodopsins are used widely for optical control of neurons, in which they generate
photoinduced proton, sodium or chloride influx. Potassium (K+) is central to neuron …

WiChR, a highly potassium-selective channelrhodopsin for low-light one-and two-photon inhibition of excitable cells

J Vierock, E Schiewer, C Grimm, A Rozenberg… - Science …, 2022 - science.org
The electric excitability of muscle, heart, and brain tissue relies on the precise interplay of
Na+-and K+-selective ion channels. The involved ion fluxes are controlled in optogenetic …

Structural basis for channel conduction in the pump-like channelrhodopsin ChRmine

KE Kishi, YS Kim, M Fukuda, M Inoue, T Kusakizako… - Cell, 2022 - cell.com
ChRmine, a recently discovered pump-like cation-conducting channelrhodopsin, exhibits
puzzling properties (large photocurrents, red-shifted spectrum, and extreme light sensitivity) …

Marine bacterial and archaeal ion-pum** rhodopsins: genetic diversity, physiology, and ecology

J Pinhassi, EF DeLong, O Béjà… - Microbiology and …, 2016 - Am Soc Microbiol
The recognition of a new family of rhodopsins in marine planktonic bacteria, proton-pum**
proteorhodopsin, expanded the known phylogenetic range, environmental distribution, and …

Rhodopsins at a glance

T Nagata, K Inoue - Journal of Cell Science, 2021 - journals.biologists.com
Rhodopsins are photoreceptive membrane proteins consisting of a common heptahelical
transmembrane architecture that contains a retinal chromophore. Rhodopsin was first …

Optogenetic manipulation of neuronal and cardiomyocyte functions in zebrafish using microbial rhodopsins and adenylyl cyclases

H Hagio, W Koyama, S Hosaka, AD Song… - Elife, 2023 - elifesciences.org
Even though microbial photosensitive proteins have been used for optogenetics, their use
should be optimized to precisely control cell and tissue functions in vivo. We exploited …

Structural basis for ion selectivity in potassium-selective channelrhodopsins

S Tajima, YS Kim, M Fukuda, YJ Jo, PY Wang… - Cell, 2023 - cell.com
KCR channelrhodopsins (K+-selective light-gated ion channels) have received attention as
potential inhibitory optogenetic tools but more broadly pose a fundamental mystery …

Cryo-EM structures of the channelrhodopsin ChRmine in lipid nanodiscs

K Tucker, S Sridharan, H Adesnik… - Nature communications, 2022 - nature.com
Microbial channelrhodopsins are light-gated ion channels widely used for optogenetic
manipulation of neuronal activity. ChRmine is a bacteriorhodopsin-like cation …