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题名: Supplementation of enzyme-treated soy protein saves dietary protein and promotes digestive and absorptive ability referring to TOR signaling in juvenile fish
作者: Xiao, Weiwei1, 2; Jiang, Weidan1, 3, 4; Feng, Lin1, 3, 4; Liu, Yang1, 3, 4; Wu, Pei1, 3, 4; Jiang, Jun1, 3, 4; Zhang, Yongan5; Zhou, Xiaoqiu1, 3, 4
关键词: Save protein ; Digestive and absorptive capacity ; Enzyme-treated soy protein
刊名: FISH PHYSIOLOGY AND BIOCHEMISTRY
发表日期: 2017-12-01
DOI: 10.1007/s10695-017-0400-1
卷: 43, 期:6, 页:1657-1675
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Fisheries ; Physiology
研究领域[WOS]: Biochemistry & Molecular Biology ; Fisheries ; Physiology
英文摘要: This study was conducted to evaluate the effect of enzyme-treated soy protein (ETSP) supplementation in the low-protein diet on growth performance, digestive and absorptive capacities, and related signaling molecules' gene expressions in juvenile Jian carp. The results showed that percent weight gain (PWG), specific growth rate (SGR), and feed intake (FI) were decreased by reducing dietary protein from 34 to 32% (P < 0.05). Supplying low-protein diet with optimal ETSP increased previously mentioned indices of juvenile Jian carp (P < 0.05), which also had no significant difference with the high-protein diet (34%CP) (P > 0.05). Compared with the low-protein diet, appropriate ETSP supplementation in the low-protein diet increased (P < 0.05) (1) the trypsin, lipase, and amylase activities in the hepatopancreas; (2) cholecystokinin concentration in the proximal intestine; (3) the gamma-glutamyl transpeptidase (gamma-GT), alkaline phosphatase (AKP), and Na+/K+-ATPase activities in all intestinal segments; and (4) the messenger RNA (mRNA) levels of trypsin, lipase, and amylase in hepatopancreas and gamma-GT in the mid (MI) and distal (DI) intestine, alkaline phosphatase in MI, and Na+/K+-ATPase and target of rapamycin in all intestinal segments. At the same time, appropriate ETSP supplementation in the low-protein diet downregulated the mRNA levels of AKP in the DI and eIF4E-binding protein 2 in all intestinal segments (P < 0.05). In conclusion, adding 10 g ETSP/kg diet in the low-protein diet can restore the growth performance and digestive and absorptive abilities to the levels in group with 34% dietary protein. Supplementation of optimal ETSP in the low-protein diet enhanced the digestive and absorptive abilities and regulated the signaling molecules related to the TOR signaling pathway.
关键词[WOS]: CARPIO VAR. JIAN ; TROUT ONCORHYNCHUS-MYKISS ; FED GRADED-LEVELS ; BODY-COMPOSITION ; RAINBOW-TROUT ; BIOACTIVE PEPTIDES ; OXIDATIVE STRESS ; SOYBEAN-MEAL ; GROWTH ; INTESTINE
语种: 英语
项目资助者: National Basic Research Program of China (973 Program)(2014CB138600) ; National Natural Science Foundation of China(31572632) ; National Department Public Benefit Research Foundation (Agriculture) of China(201003020) ; Outstanding Talents and Innovative Team of Agricultural Scientific Research (Ministry of Agriculture) ; Science and Technology Support Program of Sichuan Province of China(2014NZ0003) ; Major Scientific and Technological Achievement Transformation Project of Sichuan Province of China(2012NC0007 ; Demonstration of Major Scientific and Technological Achievement Transformation Project of Sichuan Province of China(2015CC0011) ; Foundation of Sichuan Youth Science and Technology Innovation Research Team(2017TD0002) ; Natural Science Foundation for Young Scientists of Sichuan Province(2014JQ0007) ; 2013NC0045)
WOS记录号: WOS:000412930900015
ISSN号: 0920-1742
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/35287
Appears in Collections:水生生物分子与细胞生物学研究中心_期刊论文

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作者单位: 1.Sichuan Agr Univ, Inst Anim Nutr, Chengdu 611130, Sichuan, Peoples R China
2.Chengdu Mytech Biotech Co Ltd, Chengdu 610222, Sichuan, Peoples R China
3.Sichuan Agr Univ, Fish Nutr & Safety Prod Univ Key Lab Sichuan Prov, Chengdu 611130, Sichuan, Peoples R China
4.Sichuan Agr Univ, Key Lab Anim Dis Resistance Nutr, China Minist Edu, Chengdu 611130, Sichuan, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
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