The evolution of organellar calcium mapping technologies.
The evolution of organellar calcium mapping technologies.
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DOI:
10.1016/j.ceca.2022.102658
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发表时间:
2022-12
期刊:
影响因子:
4
通讯作者:
Krishnan, Yamuna
中科院分区:
文献类型:
--
作者:
Zajac, Matthew;Modi, Souvik;Krishnan, Yamuna
Intracellular Ca2+ fluxes are dynamically controlled by the co-involvement of multiple organellar pools of stored Ca2+. Endolysosomes are emerging as physiologically critical, yet underexplored, sources and sinks of intracellular Ca2+. Delineating the role of organelles in Ca2+ signalling has relied on chemical fluorescent probes and electrophysiological strategies. However, the acidic endolysosomal environment presents unique issues, which preclude the use of traditional chemical reporter strategies to map lumenal Ca2+. Here, we succinctly discuss the main points in our current state of knowledge about organellar Ca2+ pools. We then outline the development of traditional probes, and their sensing paradigms. We then discuss how a new generation of probes overcomes the limitations of traditional Ca2+ probes and how they can offer critical insights into endolysosomal Ca2+, and its feedback with other organelles.
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