Hormone‐mediated modulation of the electromotor CPG in pulse‐type weakly electric fish. Commonalities and differences across species

M Borde, L Quintana, V Comas… - Developmental …, 2020 - Wiley Online Library
Like stomatogastric activity in crustaceans, vocalization in teleosts and frogs, and locomotion
in mammals, the electric organ discharge (EOD) of weakly electric fish is a rhythmic and …

Local vasotocin modulation of the pacemaker nucleus resembles distinct electric behaviors in two species of weakly electric fish

R Perrone, A Migliaro, V Comas, L Quintana… - Journal of Physiology …, 2014 - Elsevier
The neural bases of social behavior diversity in vertebrates have evolved in close
association with hypothalamic neuropeptides. In particular, arginine-vasotocin (AVT) is a key …

Comparative transcriptome analysis reveals growth and molecular pathway of body color regulation in turbot (Scophthalmus maximus) exposed to different light …

L Wu, W Sun, J Zhou, Y Li, J Li, Z Song, C Song… - … and Physiology Part D …, 2024 - Elsevier
Fish body color changes play vital roles in adapting to ecological light environment and
influencing market value. However, the initial mechanisms governing the changes remain …

Neural substrate of an increase in sensory sampling triggered by a motor command in a gymnotid fish

V Comas, M Borde - Journal of neurophysiology, 2010 - journals.physiology.org
Despite recent advances that have elucidated the effects of collateral of motor commands on
sensory processing structures, the neural mechanisms underlying the modulation of active …

Neuronal dynamics underlying communication signals in a weakly electric fish: Implications for connectivity in a pacemaker network

KM Lucas, J Warrington, TJ Lewis, JE Lewis - Neuroscience, 2019 - Elsevier
Neuronal networks can produce stable oscillations and synchrony that are under tight
control yet flexible enough to rapidly switch between dynamical states. The pacemaker …

A central pacemaker that underlies the production of seasonal and sexually dimorphic social signals: anatomical and electrophysiological aspects

L Quintana, P Pouso, G Fabbiani… - Journal of Comparative …, 2011 - Springer
Our long-term goal is to approach the understanding of the anatomical and physiological
bases for communication signal diversity in gymnotiform fishes as a model for vertebrate …

Distinctive mechanisms underlie the emission of social electric signals of submission in Gymnotus omarorum

V Comas, K Langevin, A Silva… - Journal of Experimental …, 2019 - journals.biologists.com
South American weakly electric fish (order Gymnotiformes) rely on a highly conserved and
relatively fixed electromotor circuit to produce species-specific electric organ discharges …

[PDF][PDF] 12 Active Electroreception Signals, Sensing, and Behavior

JE Lewis - 2014 - researchgate.net
What's in an image? Arguably, this question is most often considered in the context of vision.
An observer can attempt an answer by considering the spatial pattern of color. Even in a …

Sex-specific role of a glutamate receptor subtype in a pacemaker nucleus controlling electric behavior

L Quintana, E Harvey-Girard, C Lescano… - Journal of Physiology …, 2014 - Elsevier
Electric communication signals, produced by South American electric fish, vary across sexes
and species and present an ideal opportunity to examine the bases of signal diversity, and …

Glutamatergic control of a pattern-generating central nucleus in a gymnotiform fish

V Comas, M Borde - Journal of Neurophysiology, 2021 - journals.physiology.org
The activity of central pattern-generating networks (CPGs) may change under the control
exerted by various neurotransmitters and modulators to adapt its behavioral outputs to …