Hypoxia and exercise performance in fish

Researchers from the Nutrigroup of IATS-CSIC have targeted the mild-hypoxia driving force for metabolic and muscle transcriptional reprogramming of gilthead sea bream juveniles, focusing on blood metabolic landmarks and muscle transcriptomics before and after exhaustive exercise. These results after mild-hypoxia conditioning highlighted an increased contribution of lipid metabolism to whole energy supply to preserve the aerobic energy production, a better swimming performance regardless of changes in feed intake, as well as reduced protein turnover and improved anaerobic fitness with the restoration of normoxia.

The results of this work, funded by National (BreamAquaINTECH; RTI2018–094128-B-I00) and European AQUAEXCEL2020 (Aquaculture infrastructures for excellence in European fish research towards 2020; 652831) Projects, have been published in the special issue Transcriptome and Genome Analyses Applied to Aquaculture Research of the open-access Journal Biology (link).

For more information, visit CSIC Comunidad Valenciana delegation webpage.

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