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Application of direct electrometry in studies of microbial rhodopsins reconstituted in proteoliposomes. | LitMetric

AI Article Synopsis

Article Abstract

Microbial rhodopsins are the family of retinal-containing proteins that perform primarily the light-driven transmembrane ion transport and sensory functions. They are widely distributed in nature and can be used for optogenetic control of the cellular activities by light. Functioning of microbial rhodopsins results in generation of the transmembrane electric potential in response to a flash that can be measured by direct time-resolved electrometry. This method was developed by L. Drachev and his colleagues at the Belozersky Institute and successfully applied in the functional studies of microbial rhodopsins. First measurements were performed using bacteriorhodopsin from -the prototype member of the microbial retinal protein family. Later, direct electrometric studies were conducted with proteorhodopsin from (ESR), the sodium pump from , and other proteins. They allowed detailed characterization of the charge transfer steps during the photocycle of microbial rhodopsins and provided new insights for profound understanding of their mechanism of action.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9481854PMC
http://dx.doi.org/10.1007/s12551-022-00986-yDOI Listing

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