Silencing neurons: tools, applications, and experimental constraints

JS Wiegert, M Mahn, M Prigge, Y Printz, O Yizhar - Neuron, 2017 - cell.com
Reversible silencing of neuronal activity is a powerful approach for isolating the roles of
specific neuronal populations in circuit dynamics and behavior. In contrast with neuronal …

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 …

High-efficiency optogenetic silencing with soma-targeted anion-conducting channelrhodopsins

M Mahn, L Gibor, P Patil, K Cohen-Kashi Malina… - Nature …, 2018 - nature.com
Optogenetic silencing allows time-resolved functional interrogation of defined neuronal
populations. However, the limitations of inhibitory optogenetic tools impose stringent …

Crystal structure of the natural anion-conducting channelrhodopsin GtACR1

YS Kim, HE Kato, K Yamashita, S Ito, K Inoue… - Nature, 2018 - nature.com
The naturally occurring channelrhodopsin variant anion channelrhodopsin-1 (ACR1),
discovered in the cryptophyte algae Guillardia theta, exhibits large light-gated anion …

Microbial halorhodopsins: light-driven chloride pumps

C Engelhard, I Chizhov, F Siebert… - Chemical reviews, 2018 - ACS Publications
Early research on the four microbial rhodopsins discovered in the archaeal Halobacterium
salinarum revealed a structural template that served as a scaffold for two different functions …

The expanding family of natural anion channelrhodopsins reveals large variations in kinetics, conductance, and spectral sensitivity

EG Govorunova, OA Sineshchekov, EM Rodarte… - Scientific reports, 2017 - nature.com
Natural anion channelrhodopsins (ACRs) discovered in the cryptophyte alga Guillardia theta
generate large hyperpolarizing currents at membrane potentials above the Nernst …

RubyACRs, nonalgal anion channelrhodopsins with highly red-shifted absorption

EG Govorunova, OA Sineshchekov, H Li… - Proceedings of the …, 2020 - pnas.org
Channelrhodopsins are light-gated ion channels widely used to control neuronal firing with
light (optogenetics). We report two previously unknown families of anion channelrhodopsins …

Anion-conducting channelrhodopsins with tuned spectra and modified kinetics engineered for optogenetic manipulation of behavior

J Wietek, S Rodriguez-Rozada, J Tutas, F Tenedini… - Scientific reports, 2017 - nature.com
Genetic engineering of natural light-gated ion channels has proven a powerful way to
generate optogenetic tools for a wide variety of applications. In recent years, blue-light …

Emerging diversity of channelrhodopsins and their structure-function relationships

EG Govorunova, OA Sineshchekov… - Frontiers in cellular …, 2022 - frontiersin.org
Cation and anion channelrhodopsins (CCRs and ACRs, respectively) from phototactic algae
have become widely used as genetically encoded molecular tools to control cell membrane …