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@ARTICLE{Borghans:1048917,
author = {Borghans, Bart and Dmitrieva, Natalia and Nikiforov,
Aleksandr and Fahlke, Christoph},
title = {{V}esicular and plasma membrane glutamate transporters},
journal = {Frontiers in biophysics},
volume = {3},
issn = {2813-7183},
address = {Lausanne},
publisher = {Frontiers Media SA},
reportid = {FZJ-2025-05016},
pages = {1693508},
year = {2025},
note = {The author(s) declare that financial support was received
for theresearch and/or publication of this article. This
work was supportedby the Deutsche Forschungsgemeinschaft
(DFG, German ResearchFoundation) to CF (FA 301/13-1) as part
of the Research Unit FOR2795 (Synapses under stress).},
abstract = {Glutamate is the major excitatory neurotransmitter in the
mammalian centralnervous system. After exocytotic release
from presynaptic nerve terminals,glutamate diffuses across
the synaptic cleft and opens postsynaptic
ionotropicglutamate receptors, thus depolarizing the
postsynaptic neuron. Synaptic activityis terminated by rapid
and efficient uptake into surrounding neurons and
glialcells. The function of a glutamatergic synapse thus
critically depends on twodistinct transport systems:
vesicular and plasma membrane glutamatetransporters.
Vesicular glutamate transporters (VGLUTs) accumulate
glutamatein synaptic vesicles and determine the amount of
released glutamate. Plasmamembrane glutamate transporters
(excitatory amino acid transporters, EAATs)clear the
synaptic cleft from glutamate, setting the time resolution
and energydemand of glutamatergic synaptic signaling. Both
classes of glutamatetransporters are not only
secondary-active transporters, but also function aschloride
channels, with different roles in chloride and glutamate
homeostasis.Despite similar transport functions, VGLUTs and
EAATs are structurally diverseand employ different molecular
mechanisms to overcome the same chemicalchallenges. We here
review recent progress in understanding the molecular
andcellular biophysics of vesicular glutamate transporters
and compare theirproperties with plasma membrane glutamate
transporters.},
cin = {IBI-1},
ddc = {570},
cid = {I:(DE-Juel1)IBI-1-20200312},
pnm = {5241 - Molecular Information Processing in Cellular Systems
(POF4-524) / DFG project G:(GEPRIS)394431587 - FOR 2795:
Synapsen unter Stress: akute Veränderungen durch mangelnde
Energiezufuhr an glutamatergen Synapsen (394431587)},
pid = {G:(DE-HGF)POF4-5241 / G:(GEPRIS)394431587},
typ = {PUB:(DE-HGF)16},
doi = {10.3389/frbis.2025.1693508},
url = {https://juser.fz-juelich.de/record/1048917},
}