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lukaszjablonski authored Jul 12, 2016
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40 changes: 40 additions & 0 deletions bibliography.bib
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%% This BibTeX bibliography file was created using BibDesk.
%% http://bibdesk.sourceforge.net/
%% Created for Lukasz Jablonski at 2016-07-12 12:25:26 +0200
%% Saved with string encoding Unicode (UTF-8)
@article{Delvendahl:2015aa,
Abstract = {Fast synchronous neurotransmitter release at the presynaptic active zone is triggered by local Ca2+ signals, which are confined in their spatiotemporal extent by endogenous Ca2+ buffers. However, it remains elusive how rapid and reliable Ca2+ signaling can be sustained during repetitive release. Here, we established quantitative two-photon Ca2+ imaging in cerebellar mossy fiber boutons, which fire at exceptionally high rates. We show that endogenous fixed buffers have a surprisingly low Ca2+-binding ratio (∼15) and low affinity, whereas mobile buffers have high affinity. Experimentally constrained modeling revealed that the low endogenous buffering promotes fast clearance of Ca2+ from the active zone during repetitive firing. Measuring Ca2+ signals at different distances from active zones with ultra-high-resolution confirmed our model predictions. Our results lead to the concept that reduced Ca2+ buffering enables fast active zone Ca2+ signaling, suggesting that the strength of endogenous Ca2+ buffering limits the rate of synchronous synaptic transmission.},
Author = {Delvendahl, Igor and Jablonski, Lukasz and Baade, Carolin and Matveev, Victor and Neher, Erwin and Hallermann, Stefan},
Date-Added = {2016-02-04 10:04:09 +0000},
Date-Modified = {2016-07-12 10:24:22 +0000},
Eprint = {http://www.pnas.org/content/112/23/E3075.full.pdf},
Journal = {Proceedings of the National Academy of Sciences},
Number = {23},
Pages = {E3075-E3084},
Title = {Reduced endogenous {Ca$^{2+}$} buffering speeds active zone {Ca$^{2+}$} signaling},
Volume = {112},
Year = {2015},
Bdsk-Url-1 = {http://www.pnas.org/content/112/23/E3075.abstract},
Bdsk-Url-2 = {http://dx.doi.org/10.1073/pnas.1508419112}}

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27 changes: 27 additions & 0 deletions publication_list.bib
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%% This BibTeX bibliography file was created using BibDesk.
%% http://bibdesk.sourceforge.net/
%% Created for Lukasz Jablonski at 2016-02-04 12:08:40 +0100
%% Saved with string encoding Unicode (UTF-8)
@article{Delvendahl:2015aa,
Abstract = {Fast synchronous neurotransmitter release at the presynaptic active zone is triggered by local Ca2+ signals, which are confined in their spatiotemporal extent by endogenous Ca2+ buffers. However, it remains elusive how rapid and reliable Ca2+ signaling can be sustained during repetitive release. Here, we established quantitative two-photon Ca2+ imaging in cerebellar mossy fiber boutons, which fire at exceptionally high rates. We show that endogenous fixed buffers have a surprisingly low Ca2+-binding ratio (∼15) and low affinity, whereas mobile buffers have high affinity. Experimentally constrained modeling revealed that the low endogenous buffering promotes fast clearance of Ca2+ from the active zone during repetitive firing. Measuring Ca2+ signals at different distances from active zones with ultra-high-resolution confirmed our model predictions. Our results lead to the concept that reduced Ca2+ buffering enables fast active zone Ca2+ signaling, suggesting that the strength of endogenous Ca2+ buffering limits the rate of synchronous synaptic transmission.},
Author = {Delvendahl, Igor and Jablonski, Lukasz and Baade, Carolin and Matveev, Victor and Neher, Erwin and Hallermann, Stefan},
Date-Added = {2016-02-04 10:04:09 +0000},
Date-Modified = {2016-02-04 10:37:29 +0000},
Doi = {10.1073/pnas.1508419112},
Eprint = {http://www.pnas.org/content/112/23/E3075.full.pdf},
Journal = {Proceedings of the National Academy of Sciences},
Number = {23},
Pages = {E3075-E3084},
Title = {Reduced endogenous {Ca$^{2+}$} buffering speeds active zone {Ca$^{2+}$} signaling},
Url = {http://www.pnas.org/content/112/23/E3075.abstract},
Volume = {112},
Year = {2015},
Bdsk-Url-1 = {http://www.pnas.org/content/112/23/E3075.abstract},
Bdsk-Url-2 = {http://dx.doi.org/10.1073/pnas.1508419112}}
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