Journal
NATURE COMMUNICATIONS
Volume 13, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-022-29765-9
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Funding
- Simons Foundation [SCGB 325207]
- National Science Scholarship from the Agency for Science, Technology and Research (A*STAR), Singapore
- [U01-NS090449]
- [R24-NS086601]
- [U19-NS104653]
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This study reveals the impact of social isolation on the oxytocinergic circuit in the zebrafish brain and how chemical signals from conspecific animals modulate this circuit. The results provide a model for understanding how social stimuli mediate adaptive behaviors through neural circuits.
Animal brains have evolved to encode social stimuli and transform these representations into advantageous behavioral responses. The commonalities and differences of these representations across species are not well-understood. Here, we show that social isolation activates an oxytocinergic (OXT), nociceptive circuit in the larval zebrafish hypothalamus and that chemical cues released from conspecific animals are potent modulators of this circuit's activity. We delineate an olfactory to subpallial pathway that transmits chemical social cues to OXT circuitry, where they are transformed into diverse outputs simultaneously regulating avoidance and feeding behaviors. Our data allow us to propose a model through which social stimuli are integrated within a fundamental neural circuit to mediate diverse adaptive behaviours. Social interactions are known to guide behaviour, but how different species represent social stimuli is poorly understood. In this study, the authors demonstrate how social cues in the larval zebrafish suppress an oxytocinergic circuit, which regulates avoidance and feeding behaviour.
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