Thermal acclimation and acute temperature effects on cardiac barostatic reflexes in rainbow trout (Oncorhynchus mykiss).
Acute warming
Baroreflex
Cholinergic tone
Chronic warming
Dorsal aortic blood pressure
Fish
Heart rate
Journal
Journal of thermal biology
ISSN: 0306-4565
Titre abrégé: J Therm Biol
Pays: England
ID NLM: 7600115
Informations de publication
Date de publication:
Oct 2022
Oct 2022
Historique:
received:
04
05
2022
revised:
26
07
2022
accepted:
24
08
2022
entrez:
4
10
2022
pubmed:
5
10
2022
medline:
7
10
2022
Statut:
ppublish
Résumé
Acute warming raises the metabolism of fish, which is matched by increased heart rate. However, thermal acclimation may reduce heart rate through combinations of lowered intrinsic pacemaker rate and increased inhibitory vagal tone. This could affect the baroreflex, which regulates arterial blood pressure through heart rate changes via altered vagal tone. Using pharmacological tools, we assessed autonomic tones and baroreflex regulation of heart rate in rainbow trout (Oncorhynchus mykiss) at 11 °C, and after acute (24 h, 17°C
Identifiants
pubmed: 36195383
pii: S0306-4565(22)00129-2
doi: 10.1016/j.jtherbio.2022.103315
pii:
doi:
Substances chimiques
Adrenergic Agents
0
Atropine Derivatives
0
Plastics
0
Oxygen
S88TT14065
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
103315Informations de copyright
Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of competing interest The authors declare no competing interests.