Alexander Gottschalk
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Explore the profile of Alexander Gottschalk including associated specialties, affiliations and a list of published articles.
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104
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4843
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Recent Articles
1.
Hierarchical regulation of functionally antagonistic neuropeptides expressed in a single neuron pair
Aoki I, Golinelli L, Dunkel E, Bhat S, Bassam E, Beets I, et al.
Nat Commun
. 2024 Nov;
15(1):9504.
PMID: 39489735
Neuronal communication involves small-molecule transmitters, gap junctions, and neuropeptides. While neurons often express multiple neuropeptides, our understanding of the coordination of their actions and their mutual interactions remains limited. Here,...
2.
Dill H, Liewald J, Becker M, Seidenthal M, Gottschalk A
iScience
. 2024 Sep;
27(9):110687.
PMID: 39252958
Chemical synaptic transmission is modulated to accommodate different activity levels, thus enabling homeostatic scaling in pre- and postsynaptic compartments. In nematodes, cholinergic neurons use neuropeptide signaling to modulate synaptic vesicle...
3.
Rentsch D, Bergs A, Shao J, Elvers N, Ruse C, Seidenthal M, et al.
Genetics
. 2024 Aug;
229(1):1-48.
PMID: 39110015
To understand the function of cells such as neurons within an organism, it can be instrumental to inhibit cellular function, or to remove the cell (type) from the organism, and...
4.
Janosi B, Liewald J, Seidenthal M, Yu S, Umbach S, Redzovic J, et al.
J Neurosci
. 2024 Jul;
44(31).
PMID: 38951038
At chemical synapses, voltage-gated Ca channels (VGCCs) translate electrical signals into a trigger for synaptic vesicle (SV) fusion. VGCCs and the Ca microdomains they elicit must be located precisely to...
5.
Hanson S, Scholuke J, Liewald J, Sharma R, Ruse C, Engel M, et al.
Curr Biol
. 2023 Aug;
33(16):3423-3435.e5.
PMID: 37527662
Sensation of light is essential for all organisms. The eye-less nematode Caenorhabditis elegans detects UV and blue light to evoke escape behavior. The photosensor LITE-1 absorbs UV photons with an...
6.
Seidenthal M, Janosi B, Rosenkranz N, Schuh N, Elvers N, Willoughby M, et al.
Front Cell Neurosci
. 2023 Apr;
17:1120651.
PMID: 37066081
pH-sensitive fluorescent proteins are widely used to study synaptic vesicle (SV) fusion and recycling. When targeted to the lumen of SVs, fluorescence of these proteins is quenched by the acidic...
7.
Bergs A, Liewald J, Rodriguez-Rozada S, Liu Q, Wirt C, Bessel A, et al.
Nat Commun
. 2023 Apr;
14(1):1939.
PMID: 37024493
Excitable cells can be stimulated or inhibited by optogenetics. Since optogenetic actuation regimes are often static, neurons and circuits can quickly adapt, allowing perturbation, but not true control. Hence, we...
8.
Vettkotter D, Schneider M, Goulden B, Dill H, Liewald J, Zeiler S, et al.
Nat Commun
. 2022 Dec;
13(1):7827.
PMID: 36535932
Acutely silencing specific neurons informs about their functional roles in circuits and behavior. Existing optogenetic silencers include ion pumps, channels, metabotropic receptors, and tools that damage the neurotransmitter release machinery....
9.
Seidenthal M, Vettkotter D, Gottschalk A
MicroPubl Biol
. 2022 Jul;
2022.
PMID: 35903772
Manipulation of neuronal or muscular activity by optogenetics or other stimuli can be directly linked to the analysis of ( ) body length. Thus, WormRuler was developed as an open-source...
10.
Bergs A, Henss T, Glock C, Nagpal J, Gottschalk A
Methods Mol Biol
. 2022 Mar;
2468:89-115.
PMID: 35320562
Over the past 15 years, optogenetic methods have revolutionized neuroscientific and cell biological research, also in the nematode Caenorhabditis elegans. In this chapter, we give an update about current optogenetic...