Identification, characterization and nutritional regulation of fatty acid‐binding protein ( fabp ) genes by vegetable oils in European seabass ( Dicentrarchus labrax ) reared in low water temperatures

Abstract

Vegetable oils (VOs) are preferred by the aquafeed industry as alternative oil sources to fish oil (FO) for sustainable aquaculture production because they decrease catching pressure for wild fish stocks, and compared with FO, VOs have higher annual production, easier accessibility and lower prices (Bayır et al., 2011). VOs are rich sources of 18C fatty acids (FAs), but their n-3 highly unsaturated

Fatty acid–binding protein genes in gilthead seabream: molecular cloning and nutritional regulation under low water temperatures

“…Nonetheless, fabp10a / fabp10b and fabp11a / fabp11b responded in the same way to diet FAs (as indicated earlier), similar to their tissue‐specific transcription. The authors previously reported that spatio‐temporal changes in the various tissues and nutritional regulations of the D. labrax fabp10a / fabp10b and fabp11a / fabp11b genes were identical (Taşbozan et al ., 2022). Nonetheless, the results are complicated to evaluate due to the homeoviscous adaptation.…”

“…temporal changes in the various tissues and nutritional regulations of the D. labrax fabp10a/fabp10b and fabp11a/fabp11b genes were identical (Tas ¸bozan et al, 2022). Nonetheless, the results are complicated to evaluate due to the homeoviscous adaptation.…”

“…See Taşbozan et al . (2022) for the proximate and FA composition of the experimental diets. In the first stage of the study (the grow‐out period), the fish were fed ad libitum with the above diets for 60 days in triplicate thrice daily (7.00, 11.00 and 16.00 hours).…”

“…FABPs are also involved in the ß‐oxidation of fatty acids (FAs), so they play pivotal functions in lipid homeostasis. Nonetheless, the functions of FABPs have not yet been fully determined (Chen et al ., 2012; Taşbozan et al ., 2022; Venkatachalam et al ., 2009; Wang et al ., 2022). Earlier reports have suggested a different ligand‐binding specificity for each fabp gene (Storch & Thumser, 2010).…”

“…This is because teleost-specific wholegenome duplication (tsWGD) and salmon-specific WGD (ssWGD) events took place c. 320 MYA and c. 80 MYA, respectively (Lien et al, 2016). Nonetheless, data on the nutritional regulation of fabp genes through dietary FAs are still scarce (Jordal et al, 2006;Karanth et al, 2009;Tas ¸bozan et al, 2022;Torstensen et al, 2009;Yan et al, 2020).…”