Dissecting the Functional Organization of the C. elegans Serotonergic System at Whole-Brain Scale
Serotonin controls many aspects of animal behavior and cognition. But how serotonin acts on its diverse receptor types in neurons across the brain to modulate global activity and behavior is unknown. Here, we examine how serotonin release from a feeding-responsive neuron in C. elegans alters brain-wide activity to induce foraging behaviors, like slow locomotion and increased feeding. A comprehensive genetic analysis identifies three core serotonin receptors that collectively induce slow locomotion upon serotonin release and three others that interact with them to further modulate this behavior. The core receptors have different functional roles: some induce behavioral responses to sudden increases in serotonin release, whereas others induce responses to persistent release. Whole-brain calcium imaging reveals widespread serotonin-associated brain dynamics, impacting different behavioral networks in different ways. We map out all sites of serotonin receptor expression in the connectome, which, together with synaptic connectivity, helps predict serotonin-associated brain-wide activity changes. These results provide a global view of how serotonin acts at defined sites across a connectome to modulate brain-wide activity and behavior.
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2023 |
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| Enthalten in: |
bioRxiv : the preprint server for biology - (2023) vom: 18. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Dag, Ugur [VerfasserIn] |
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Date Revised 09.06.2023 published: Electronic UpdateIn: Cell. 2023 May 10;:. - PMID 37192620 Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1101/2023.01.15.524132 |
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| PPN (Katalog-ID): |
NLM352223057 |
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| 500 | |a published: Electronic | ||
| 500 | |a UpdateIn: Cell. 2023 May 10;:. - PMID 37192620 | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Serotonin controls many aspects of animal behavior and cognition. But how serotonin acts on its diverse receptor types in neurons across the brain to modulate global activity and behavior is unknown. Here, we examine how serotonin release from a feeding-responsive neuron in C. elegans alters brain-wide activity to induce foraging behaviors, like slow locomotion and increased feeding. A comprehensive genetic analysis identifies three core serotonin receptors that collectively induce slow locomotion upon serotonin release and three others that interact with them to further modulate this behavior. The core receptors have different functional roles: some induce behavioral responses to sudden increases in serotonin release, whereas others induce responses to persistent release. Whole-brain calcium imaging reveals widespread serotonin-associated brain dynamics, impacting different behavioral networks in different ways. We map out all sites of serotonin receptor expression in the connectome, which, together with synaptic connectivity, helps predict serotonin-associated brain-wide activity changes. These results provide a global view of how serotonin acts at defined sites across a connectome to modulate brain-wide activity and behavior | ||
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| 700 | 1 | |a Nwabudike, Ijeoma |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, Di |e verfasserin |4 aut | |
| 700 | 1 | |a Gomes, Matthew A |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Jungsoo |e verfasserin |4 aut | |
| 700 | 1 | |a Atanas, Adam A |e verfasserin |4 aut | |
| 700 | 1 | |a Bueno, Eric |e verfasserin |4 aut | |
| 700 | 1 | |a Estrem, Cassi |e verfasserin |4 aut | |
| 700 | 1 | |a Pugliese, Sarah |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ziyu |e verfasserin |4 aut | |
| 700 | 1 | |a Towlson, Emma |e verfasserin |4 aut | |
| 700 | 1 | |a Flavell, Steven W |e verfasserin |4 aut | |
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