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Dynamin is primed at endocytic sites for ultrafast endocytosis

https://doi.org/10.1016/j.neuron.2022.06.010

Imoto, Yuuta ; Raychaudhuri, Sumana ; Ma, Ye ; Fenske, Pascal ; Sandoval, Eduardo ; Itoh, Kie ; Blumrich, Eva-Maria ; Matsubayashi, Hideaki T. ; Mamer, Lauren ; Zarebidaki, Fereshteh ; et al ( September 2022 , Neuron)

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Synaptic vesicles transiently dock to refill release sites

https://doi.org/10.1038/s41593-020-00716-1

Kusick, Grant F. ; Chin, Morven ; Raychaudhuri, Sumana ; Lippmann, Kristina ; Adula, Kadidia P. ; Hujber, Edward J. ; Vu, Thien ; Davis, M. Wayne ; Jorgensen, Erik M. ; Watanabe, Shigeki ( September 2020 , Nature Neuroscience)

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Asynchronous release sites align with NMDA receptors in mouse hippocampal synapses

https://doi.org/10.1038/s41467-021-21004-x

Li, Shuo ; Raychaudhuri, Sumana ; Lee, Stephen Alexander ; Brockmann, Marisa M. ; Wang, Jing ; Kusick, Grant ; Prater, Christine ; Syed, Sarah ; Falahati, Hanieh ; Ramos, Raul ; et al ( January 2021 , Nature Communications)

Abstract
Neurotransmitter is released synchronously and asynchronously following an action potential. Our recent study indicates that the release sites of these two phases are segregated within an active zone, with asynchronous release sites enriched near the center in mouse hippocampal synapses. Here we demonstrate that synchronous and asynchronous release sites are aligned with AMPA receptor and NMDA receptor clusters, respectively. Computational simulations indicate that this spatial and temporal arrangement of release can lead to maximal membrane depolarization through AMPA receptors, alleviating the pore-blocking magnesium leading to greater activation of NMDA receptors. Together, these results suggest that release sites are likely organized to activate NMDA receptors efficiently.

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Synaptojanin and Endophilin Mediate Neck Formation during Ultrafast Endocytosis

https://doi.org/10.1016/j.neuron.2018.06.005

Watanabe, Shigeki ; Mamer, Lauren Elizabeth ; Raychaudhuri, Sumana ; Luvsanjav, Delgermaa ; Eisen, Julia ; Trimbuch, Thorsten ; Söhl-Kielczynski, Berit ; Fenske, Pascal ; Milosevic, Ira ; Rosenmund, Christian ; et al ( June 2018 , Neuron)

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