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The respiratory physiology of fishes: ecological and evolutionary significance of individual variation

Grant number: 15/22326-0
Support type:Research Grants - Visiting Researcher Grant - International
Duration: June 20, 2016 - October 19, 2016
Field of knowledge:Biological Sciences - Physiology - Compared Physiology
Principal Investigator:Francisco Tadeu Rantin
Grantee:Francisco Tadeu Rantin
Visiting researcher: David John McKenzie
Visiting researcher institution: Université Montpellier, France
Home Institution: Centro de Ciências Biológicas e da Saúde (CCBS). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


The current proposal requests financial support for Dr. David McKenzie, a CNRS researcher from Montpellier, France, to maintain a research collaboration with Prof. F. Tadeu Rantin at the Department of Physiological Sciences, UFSCar, São Carlos, for a period of 4 months. The general objective is to investigate why individuals within animal species exhibit wide variation in complex physiological traits of respiratory metabolism and performance. This project will focus on fishes, and investigate two hypotheses regarding the ecological and evolutionary significance of variation in metabolic rate and cardiorespiratory performance. The first study investigates the hypothesis that the metabolic rate and aerobic metabolic scope of individuals within fish species can influence their capacity to tolerate thermal and hypoxic stresses, within a context of ongoing climate change. The study will represent the initiation of a PhD project for Felipe Rocco Blasco, at UFSCar, under the co-supervision of Drs. Rantin and McKenzie. The second study investigates the hypothesis that the metabolic rate of individuals, within an air-breathing fish species, can influence collective risk-taking behavior: the phenomenon of synchronous air-breathing. The study will be performed in collaboration with Dr. Shaun Killen of the University of Glasgow, Scotland, within a Royal Society International Exchange project with Dr. Rantin. The studies will be prepared as manuscripts for publication in peer-reviewed journals. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DAMSGAARD, CHRISTIAN; BALIGA, VIKRAM B.; BATES, ERIC; BURGGREN, WARREN; MCKENZIE, DAVID J.; TAYLOR, EDWIN; WRIGHT, PATRICIA A. Evolutionary and cardio-respiratory physiology of air-breathing and amphibious fishes. ACTA PHYSIOLOGICA, NOV 2019. Web of Science Citations: 2.
MCKENZIE, DAVID J.; BLASCO, FELIPE R.; BELAO, THIAGO C.; KILLEN, SHAUN S.; MARTINS, NATHAN D.; TAYLOR, EDWIN W.; TADEU RANTIN, F. Physiological determinants of individual variation in sensitivity to an organophosphate pesticide in Nile tilapia Oreochromis niloticus. AQUATIC TOXICOLOGY, v. 189, p. 108-114, AUG 2017. Web of Science Citations: 0.
BLASCO, FELIPE R.; MCKENZIE, DAVID J.; TAYLOR, EDWIN W.; RANTIN, F. TADEU. The role of the autonomic nervous system in control of cardiac and air-breathing responses to sustained aerobic exercise in the African sharptooth catfish Clarias gariepinus. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY, v. 203, p. 273-280, JAN 2017. Web of Science Citations: 2.

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