Enhanced dietary formulation to mitigate winter thermal stress in gilthead sea bream (Sparus aurata): a 2D-DIGE plasma proteome study

Denise Schrama, Nadège Richard, Tomé S. Silva, Filipe A. Figueiredo, Luís E.C. Conceição, Richard Burchmore, David Eckersall, Pedro M.L. Rodrigues*

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Abstract

Low water temperatures during winter are common in farming of gilthead sea bream in the Mediterranean. This causes metabolic disorders that in extreme cases can lead to a syndrome called “winter disease.” An improved immunostimulatory nutritional status might mitigate the effects of this thermal metabolic stress. A trial was set up to assess the effects of two different diets on gilthead sea bream physiology and nutritional state through plasma proteome and metabolites. Four groups of 25 adult gilthead sea bream were reared during winter months, being fed either with a control diet (CTRL) or with a diet called “winter feed” (WF). Proteome results show a slightly higher number of proteins upregulated in plasma of fish fed the WF. These proteins are mostly involved in the immune system and cell protection mechanisms. Lipid metabolism was also affected, as shown both by plasma proteome and by the cholesterol plasma levels. Overall, the winter feed diet tested seems to have positive effects in terms of fish condition and nutritional status, reducing the metabolic effects of thermal stress.

Original languageEnglish
Pages (from-to)603-617
Number of pages15
JournalFish Physiology and Biochemistry
Volume43
Issue number2
DOIs
Publication statusPublished - 1 Apr 2017
Externally publishedYes

Keywords

  • Aquaculture
  • Gilthead sea bream
  • Plasma
  • Proteomics
  • Thermal stress
  • Winter disease
  • Winter syndrome

Fingerprint

Dive into the research topics of 'Enhanced dietary formulation to mitigate winter thermal stress in gilthead sea bream (Sparus aurata): a 2D-DIGE plasma proteome study'. Together they form a unique fingerprint.

Cite this