Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Advances and Perspectives of Light-gated Phosphodiesterases for Optogenetic Applications

Version 1 : Received: 20 August 2020 / Approved: 22 August 2020 / Online: 22 August 2020 (05:04:04 CEST)

How to cite: Tian, Y.; Yang, S.; Gao, S. Advances and Perspectives of Light-gated Phosphodiesterases for Optogenetic Applications. Preprints 2020, 2020080492 (doi: 10.20944/preprints202008.0492.v1). Tian, Y.; Yang, S.; Gao, S. Advances and Perspectives of Light-gated Phosphodiesterases for Optogenetic Applications. Preprints 2020, 2020080492 (doi: 10.20944/preprints202008.0492.v1).

Abstract

Second messengers, cyclic adenosine 3'-5'-monophosphate (cAMP) and cyclic guanosine 3'-5'-monophosphate (cGMP) are playing important roles in many animal cells by regulating intracellular signaling pathways and modulating cell physiology. Environmental cues like temperature, light and chemical compounds can stimulate cell surface receptors and trigger the generation of second messengers and the following regulations. Spread of cAMP and cGMP is further shaped by cyclic nucleotide phosphodiesterases (PDEs) for orchestration of intracellular microdomain signaling. However, localized intracellular cAMP and cGMP signaling requires further investigation. Optogenetic manipulation of cAMP and cGMP offers new opportunities of spatio-temporally precise study of their signaling mechanism. Light-gated nucleotide cyclases are well developed and applied for cAMP/cGMP manipulation. Recently discovered rhodopsin phosphodiesterase gene from protists established new and direct biological connection between light and PDEs. Light-regulated PDEs are under development and of demand to complete the toolkit of cAMP/cGMP manipulation. In this review, we summarize the state of the art, pros and cons of artificial and natural light-regulated PDEs and discuss potential new strategies of developing light-gated PDEs for optogenetic manipulation.

Subject Areas

cyclic nucleotides; phosphodiesterases (PDEs); optogenetics; cAMP; cGMP

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