HulaCCR1, a pump-like cation channelrhodopsin discovered in a lake microbiome

Key Points

• HulaCCR1 is a newly identified pump-like cation channelrhodopsin from a lake microbiome.
• This cation channelrhodopsin exhibits unique ion transport properties, potentially influencing microbial activities.
• Analysis of microscopy and genetic sequencing data helped uncover this novel microbial feature.
• The findings highlight the importance of lake microbiomes in expanding our understanding of ion transport mechanisms.