Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics
Type
Blog Post
...intensity than existing channelrhodopsins CoChR and/or ChR2(H134R).
Designer channelrhodopsins paired with ...injections. When packaged in PHP.eB, ChRgers and ChR2(H134R) both reach the brain, but individual neurons...multiplicity of infection (MOI) makes it challenging for ChR2(H134R) to function because it’s lower conducence... a burst of light that could activate ChRger2 or ChR2(H134R) when they poked their nose into a hole in...what was seen with ChRger2 expressing mice, while ChR2(H134R) expressing mice did not have this self-stimulation...systemic delivery with PHP.eB compared to the existing ChR2(H134R).
In the second experiment, ChRger2 was delivered...the right M2 are activated, but mice that received ChR2(H134R) did not turn. Left-turning behavior in ChRger2...