| Abstract |
Nictation is a dispersal behavior in nematodes, aiding movement and host-finding under stress. This review explores its diversity, genetic and neuronal basis, regulation, and ecological relevance. Nictation involves sensory integration, plasticity, and inter-organismal communication. Though its neural circuitry and molecular pathways remain partly understood, recent findings highlight roles for dauer signaling, neurotransmitters, and neuropeptides. Advances in scoring methods and genetic tools, including of parasitic species, now enable deeper study of its environmental triggers, evolutionary context, and impact on nematode virulence, with key knowledge gaps identified for future research.
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