Supplementation of nano-selenium in fish diet: Impact on selenium assimilation and immune-regulated selenoproteome expression in monosex Nile tilapia (Oreochromis niloticus)

Autor: T.G. Puneeth, Shamima Nasren, S. S. Rathore, S.K. Girisha, B.T.N. Kumar, M. A. A. Mamun, M.S. Nithin, K. Rakesh, H.S. Murthy, M. M. Manohara Pai
Rok vydání: 2020
Předmět:
Zdroj: Comparative biochemistry and physiology. Toxicologypharmacology : CBP. 240
ISSN: 1532-0456
Popis: Selenium (Se), a fundamental element of nutrigenomic science in fish nutrition, was used to investigate its impact on selenoproteome expression and Se regulation in tilapia. Different concentrations (T1 – 0, T2 – 0.5, T3 – 1.0 and T4 – 2.0 mg/kg of feed) of dietary nano-Se were incorporated in the diets of monosex Nile tilapia. A total of 180 tilapia fingerlings with initial weight (15.73 ± 0.05 g) were stocked in 150 L capacity FRP tanks categorized into four diet groups with triplicate each for a feeding trial of 90 days. At the end of first, second and third months of the feeding trial, gill, liver, kidney and muscle tissues were harvested to evaluate the effect on the kinetics of Se bioaccumulation and assimilation as well as immune-regulated selenoprotein transcripts (GPx2, SelJ, SelL, SelK, SelS, SelW and Sepp1a) and their synthesis factors (SPS1 and Scly). The findings depicted that significantly (p
Databáze: OpenAIRE