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Does Ca2+ reach millimolar concentrations after single photon absorption in Drosophila photoreceptor microvilli?

The quantum bump, the elementary event of fly phototransduction induced by the absorption of a single photon, is a small, transient current due to the opening of cation-channels permeable to Ca2+. These channels are located in small, tube-like protrusions of the cell membrane, the microvilli. Using...

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Dettagli Bibliografici
Autori principali: Postma, M, Oberwinkler, J, Stavenga, D G
Natura: Artigo
Lingua:Inglês
Pubblicazione: 1999
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC1300466/
https://ncbi.nlm.nih.gov/pubmed/10512805
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