Characterization of nitric oxide in Octopus maya nervous system and its potential role in sensory perception.

Biol Open

Laboratorio de Neurofisiología Integrativa. Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Ciudad de México, C.P. 14370, México.

Published: December 2024

AI Article Synopsis

  • Nitric oxide is recognized as a key neurotransmitter in the olfactory and chemoreception systems of both invertebrates and vertebrates, indicating a long-evolved sensory detection mechanism.
  • Research specifically highlights the role of nitric oxide in molluscs, particularly octopuses, affecting their sensory integration and motor responses.
  • The study provides evidence of nitric oxide synthase present in neurons and fibers in Octopus maya, showing its anatomical localization in brain regions related to chemosensory processing.

Article Abstract

The role of nitric oxide as a neurotransmitter in the olfactory and chemoreception systems of invertebrates has been well documented. This suggests an early and efficient sensory detection system that is evolutionarily preserved in various species, including vertebrates and invertebrates. Additionally, the presence of a nitric oxide neurotransmitter system has been reported in molluscs, particularly in octopus species. In this work, we present evidence for the existence of nitric oxide synthase in neurons and fibers, as well as its anatomical localization in various nuclei involved in chemosensory integration and the motor responses associated with these processes in Octopus maya.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625894PMC
http://dx.doi.org/10.1242/bio.061756DOI Listing

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