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Liu X, Zou D, Wang Y, Zhuang Y, Liu Y, Li Y, Sun Z, Ye C. Replacement of fish meal with cottonseed protein concentrate in Chinese mitten crab ( Eriocheir sinensis): Nutrient digestibility, growth performance, free amino acid profile, and expression of genes related to nutrient metabolism. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:447-462. [PMID: 38846720 PMCID: PMC11153942 DOI: 10.1016/j.aninu.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 01/31/2024] [Accepted: 02/10/2024] [Indexed: 06/09/2024]
Abstract
This study aimed to investigate the application of cottonseed protein concentrate (CPC) in Chinese mitten crabs (Eriocheir sinensis). First, the apparent digestibility coefficient (ADC) of CPC, fish meal and soybean meal were compared in crabs (21.72 ± 0.33 g). The protein ADC of CPC was 90.42%, which was significantly higher than that of soybean meal (83.16%) (P < 0.05). The ADC of Phe, Cys and Glu of CPC were significantly higher than those of fish meal, while the ADC of Ile, Leu, Lys, Met, Thr and Ala of CPC were significantly lower (P < 0.05). Second, we investigated the effects of fish meal substitution by CPC on growth performance, free amino acid profile, and expression of genes related to nutrient metabolism in crabs. Six diets were formulated by replacing 0%, 15%, 30%, 45%, 60% and 75% fish meal with CPC, namely FM, CPC15, CPC30, CPC45, CPC60, and CPC75. A total of 630 crabs (1.68 ± 0.00 g) were randomly divided into 18 tanks (3 tanks per group) and fed 3 times daily for 9 weeks. Results showed that CPC75 group significantly reduced growth performance, feed conversion efficiency, and free Ile, Leu, Lys, Met, and Thr contents in muscle (P < 0.05). The contents of free amino acids (Arg, His, Ile, Leu, Lys, Met, Phe, Thr, Val, Ala, Cys, Glu, Gly, Ser and Tyr) in hepatopancreas decreased linearly with the increase of dietary CPC level (P < 0.05). The substitution of more than 45% fish meal with CPC significantly decreased the concentration of delicious amino acids (Ala, Glu and Gly) in hepatopancreas (P < 0.05), which might adversely affect crab flavor. The expression of genes related to antioxidant capacity, protein transport, TOR pathway and lipid metabolism was significantly downregulated by increasing dietary CPC level (P < 0.05). In conclusion, based on the quadratic regression analysis of FCR and PER, the optimal replacement levels of fish meal with CPC in crab diet containing 35% fish meal were 32.36% and 35.38%, respectively. It is recommended that Ile, Leu and Thr be supplemented in addition to Met and Lys in the application of CPC.
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Affiliation(s)
- Xinting Liu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Danyang Zou
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yizhu Wang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yutong Zhuang
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yang Liu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Yanyu Li
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Zhenzhu Sun
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
| | - Chaoxia Ye
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Institute of Modern Aquaculture Science and Engineering, School of Life Science, South China Normal University, Guangzhou 510631, China
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Cai Y, He L, Cao S, Zeng P, Xu L, Luo Y, Tang X, Wang Q, Liu Z, He Z, Liu S. Insights into Dietary Different Co-Forms of Lysine and Glutamate on Growth Performance, Muscle Development, Antioxidation and Related Gene Expressions in Juvenile Grass Carp (Ctenopharyngodon idellus). MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024; 26:74-91. [PMID: 38153607 DOI: 10.1007/s10126-023-10278-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/18/2023] [Indexed: 12/29/2023]
Abstract
The study aimed to compare the effects of crystalline L-lysine and L-glutamate (CAA), Lys-Glu dipeptide (KE) on the growth and muscle development of grass carp (Ctenopharyngodon idellus), and related molecular mechanisms. Five experimental diets (CR, 0.5% CAA, 1.5% CAA, 0.5% KE, 1.5% KE) containing Lys and Glu as free (Lys and Glu, CAA) dipeptide (Lys-Glu, KE) forms were prepared, respectively. A total of 450 juvenile grass carp with an initial weight of 10.69 ± 0.07 g were randomly assigned to 15 cages, and 5 treatments with 3 replicates of 30 fish each for 61 days of feeding. The results showed that the group of 0.5% KE exhibited the best growth performances according to the indicator's weight gain rate (WGR) and specific growth rate (SGR), although no statistically significant occurred among all groups; diet supplemented with 0.5% CAA significantly elevated the condition factor (CF) and viscerasomatic index (VSI) of juvenile grass carp. Diet supplemented with different Lys and Glu co-forms at different levels promoted the muscle amino acid content compared with those of CR group. Comparing with the CR group and other groups, the hardness of 0.5% CAA group significantly increased, and the springiness of 0.5% KE group excelled. Both the muscle fiber diameter and density of 0.5% KE group showed significant difference with those of the CR group, and a negative correlation between them was also observed. To uncover the related molecular mechanism of the differences caused by the different co-forms of Lys and Glu, the effect of different diets on the expressions of protein absorption, muscle quality, and antioxidation-related genes was analyzed. The results suggested that comparing with those of CR group, the dipeptide KE inhibited the expressions of genes associated with protein metabolism, such as AKT, S6K1, and FoxO1a but promoted PCNA expression, while the free style of CAA would improve the FoxO1a expression. Additionally, the muscle development-related genes (MyoD, MyOG, and Myf5) were significantly boosted in CAA co-form groups, and the expressions of fMYHCs were blocked but fMYHCs30 significantly promoted in 0.5% KE group. Finally, the effect of different co-forms of Lys and Glu on muscle antioxidant was examined. The 0.5% CAA diet was verified to increase GPX1a but obstruct Keap1 and GSTP1 expressions, resulting in enhanced SOD activity and reduced MDA levels in plasma. Collectively, the different co-forms of Lys and Glu influenced the growth of juvenile grass carp, and also the muscle development and quality through their different regulation on the protein metabolism, muscle development- and antioxidative-related genes.
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Affiliation(s)
- Yuyang Cai
- College of Food Science and Technology, Hunan Agricultural University, Changsha, 410128, Hunan, China
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Li He
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Shenping Cao
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Peng Zeng
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Linhan Xu
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Yanan Luo
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Xiang Tang
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Qixiang Wang
- College of Food Science and Technology, Hunan Agricultural University, Changsha, 410128, Hunan, China
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Zhen Liu
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China
| | - Zhimin He
- Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Department of Biological and Chemical Engineering, Changsha University, Changsha, 410022, China.
| | - Suchun Liu
- College of Food Science and Technology, Hunan Agricultural University, Changsha, 410128, Hunan, China.
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Kaiza VE, Yildiz M, Eldem V, Golzaradabi S, Ofori-Mensah S. The effects of dietary microbial 6-phytase on growth parameters, intestinal morphometric properties and selected intestinal genes expression in rainbow trout (Oncorhynchus mykiss, Walbaum 1876). J Anim Physiol Anim Nutr (Berl) 2023; 107:1517-1529. [PMID: 37435768 DOI: 10.1111/jpn.13858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 07/13/2023]
Abstract
This study investigated the effects of dietary 6-phytase, produced by a genetically modified Komagataella phaffii, on growth performance, feed utilisation, flesh quality, villus morphometric properties, and intestinal mRNA expression in rainbow trout. Six iso-nitrogenous, iso-lipidic, and iso-caloric diets were formulated and fed to triplicate groups of juvenile rainbow trout weighing 32.57 ± 0.36 g (mean ± SD) for 90 days. The dietary treatments included two positive controls (PC), one formulated with 400 g/kg of fish meal named T1, and the other formulated with 170 g/kg of fish meal plus 1% avP derived from monocalcium phosphate named T2. The remaining dietary treatments consisted of a negative control (NC) formulated with 170 g/kg of fish meal (T3), NC+ 750, NC+ 1500, and NC+ 3000 OTU/kg levels of phytase designated as T4, T5, and T6 diets respectively. Compared to T1, weight gain (WG) increased by 16.29, 13.71 and 11.66% in T4, T5 and T6, respectively (p < 0.05). Feed conversion ratio (FCR) was lowered by 3.2 and 0.8% in T4 and T5 compared to T1 (p < 0.05). WG, feed intake (FI), FCR, final body length, bone ash, bone ash P, and intestinal morphometry were negatively affected in T3 fed fish (p < 0.05). Whole-body fish nutrient, bone ash, bone ash phosphorus (P) compositions and mucosal villus morphometric properties improved in rainbow trout fed diets supplemented with phytase dose ranging from 750-3000 OTU. Bone ash increased by 6.12% in T5 compared to T1 (p < 0.05). Phytase inclusion enhanced the profitability of feeding juvenile rainbow trout such diets as it reduced the feed price and economic conversion rate. Dietary inclusion of phytase down-regulated mRNA expression of genes responsible for fatty acid synthesis and lipogenesis in juvenile rainbow trout. Dietary phytase up-regulated the mRNA expression of genes (SLC4A11 and ATP1A3A) responsible for nutrient uptake and down-regulated intestinal expression of MUCIN 5AC-like genes (mucus secreting genes) in juvenile rainbow trout. Along with improving performance parameters, the inclusion of phytase in rainbow trout diet containing plant-based protein sources, can preserve intestinal morphology by regulating the mRNA expression of genes responsible for fatty acid synthesis, lipogenesis and nutrient uptake and transport.
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Affiliation(s)
- Victor E Kaiza
- Department of Aquaculture and Fish Diseases, Institute of Graduate Studies in Science and Technology, Istanbul University, Istanbul, Türkiye
- Fisheries Education and Training Agency (FETA), Mikindani Mtwara, Tanzania
| | - Mustafa Yildiz
- Department of Aquaculture and Fish Diseases, Faculty of Aquatic Sciences, Istanbul University, Istanbul, Türkiye
| | - Vahap Eldem
- Department of Biology, Faculty of Science, Istanbul University, Istanbul, Türkiye
| | | | - Samuel Ofori-Mensah
- Department of Aquaculture and Fish Diseases, Institute of Graduate Studies in Science and Technology, Istanbul University, Istanbul, Türkiye
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Vacca F, Gomes AS, De Gennaro M, Rønnestad I, Bossi E, Verri T. The teleost fish PepT1-type peptide transporters and their relationships with neutral and charged substrates. Front Physiol 2023; 14:1186475. [PMID: 37670771 PMCID: PMC10475540 DOI: 10.3389/fphys.2023.1186475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 08/07/2023] [Indexed: 09/07/2023] Open
Abstract
In teleosts, two PepT1-type (Slc15a1) transporters, i.e., PepT1a and PepT1b, are expressed at the intestinal level. They translocate charged di/tripeptides with different efficiency, which depends on the position of the charged amino acid in the peptide and the external pH. The relation between the position of the charged amino acid and the capability of transporting the dipeptide was investigated in the zebrafish and Atlantic salmon PepT1-type transporters. Using selected charged (at physiological pH) dipeptides: i.e., the negatively charged Asp-Gly and Gly-Asp, and the positively charged Lys-Gly and Gly-Lys and Lys-Met and Met-Lys, transport currents and kinetic parameters were collected. The neutral dipeptide Gly-Gln was used as a reference substrate. Atlantic salmon PepT1a and PepT1b transport currents were similar in the presence of Asp-Gly and Gly-Asp, while zebrafish PepT1a elicited currents strongly dependent on the position of Asp in the dipeptide and zebrafish PepT1b elicited small transport currents. For Lys- and Met-containing dipeptides smaller currents compared to Gly-Gln were observed in PepT1a-type transporters. In general, for zebrafish PepT1a the currents elicited by all tested substrates slightly increased with membrane potential and pH. For Atlantic salmon PepT1a, the transport current increased with negative potential but only in the presence of Met-containing dipeptides and in a pH-dependent way. Conversely, large currents were shown for PepT1b for all tested substrates but Gly-Lys in Atlantic salmon. This shows that in Atlantic salmon PepT1b for Lys-containing substrates the position of the charged dipeptides carrying the Lys residue defines the current amplitudes, with larger currents observed for Lys in the N-terminal position. Our results add information on the ability of PepT1 to transport charged amino acids and show species-specificity in the kinetic behavior of PepT1-type proteins. They also suggest the importance of the proximity of the substrate binding site of residues such as LysPepT1a/GlnPepT1b for recognition and specificity of the charged dipeptide and point out the role of the comparative approach that exploits the natural protein variants to understand the structure and functions of membrane transporters.
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Affiliation(s)
- Francesca Vacca
- Laboratory of Cellular and Molecular Physiology, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Ana S. Gomes
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Marco De Gennaro
- Laboratory of Applied Physiology, Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Ivar Rønnestad
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Elena Bossi
- Laboratory of Cellular and Molecular Physiology, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Tiziano Verri
- Laboratory of Applied Physiology, Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
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Bøgwald I, Østbye TKK, Pedersen AM, Rønning SB, Dias J, Eilertsen KE, Wubshet SG. Calanus finmarchicus hydrolysate improves growth performance in feeding trial with European sea bass juveniles and increases skeletal muscle growth in cell studies. Sci Rep 2023; 13:12295. [PMID: 37516761 PMCID: PMC10387114 DOI: 10.1038/s41598-023-38970-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 07/18/2023] [Indexed: 07/31/2023] Open
Abstract
The world will be dependent on the development of novel feed ingredients from renewable sources to ensure sustainable growth of the aquaculture industry. Zooplankton like Calanus finmarchicus are viable new raw material candidates, as they have optimal nutrient profiles for aquatic animals and may be sustainably harvested in large volumes. In this study, the aim was to investigate if a protein hydrolysate of C. finmarchicus was able to influence the growth performance of fish. The effect of dietary inclusion of hydrolysates was tested in a feeding trial with European sea bass (Dicentrarchus labrax) juveniles, benchmarking calanus hydrolysate (CH) against commercially available hydrolysates. The diet with CH inclusion yielded increased growth, with significantly higher body weight than hydrolysates of sardine and tuna fish at the end of the trial. The observed growth-promoting effects were further examined using an in vitro model with skeletal muscle cells from Atlantic salmon. Through bioactivity experiments with muscle cells grown in media containing CH, low-molecular fractions were found to have the greatest positive effect on proliferation, viability, and expression of muscle-specific genes. Characterization of the most potent fraction revealed an abundance of small peptides, along with amino acids and marine metabolites associated with increased muscle growth.
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Affiliation(s)
- Isak Bøgwald
- The Norwegian College of Fishery Science, UIT-The Arctic University of Norway, P.O. box 6050, 9037, Tromsø, Norway.
- Calanus AS, P.O. box 808, 9258, Tromsø, Norway.
| | - Tone-Kari K Østbye
- Nofima AS-The Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
| | | | - Sissel Beate Rønning
- Nofima AS-The Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
| | - Jorge Dias
- SPAROS Lda, Área Empresarial de Marim, Lote C, 8700-221, Olhão, Portugal
| | - Karl-Erik Eilertsen
- The Norwegian College of Fishery Science, UIT-The Arctic University of Norway, P.O. box 6050, 9037, Tromsø, Norway
| | - Sileshi Gizachew Wubshet
- Nofima AS-The Norwegian Institute of Food, Fisheries and Aquaculture Research, Osloveien 1, 1430, Ås, Norway
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Pleić IL, Bušelić I, Messina M, Hrabar J, Žuvić L, Talijančić I, Žužul I, Pavelin T, Anđelić I, Pleadin J, Puizina J, Grubišić L, Tibaldi E, Šegvić-Bubić T. A plant-based diet supplemented with Hermetia illucens alone or in combination with poultry by-product meal: one step closer to sustainable aquafeeds for European seabass. J Anim Sci Biotechnol 2022; 13:77. [PMID: 35811320 PMCID: PMC9272557 DOI: 10.1186/s40104-022-00725-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 05/04/2022] [Indexed: 11/10/2022] Open
Abstract
Background Increasing demand for high-value fish species and pressure on forage fish is challenging aquaculture to ensure sustainable growth by replacing protein sources in aquafeeds with plant and terrestrial animal proteins, without compromising the economic value and quality of the final fish product. In the present study, the effects of a plant protein-based diet (CV), two plant-based diets in which graded amounts of plan protein mixtures were replaced with Hermetia illucens meal alone (VH10) or in combination with poultry by-product meal (PBM) (VH10P30), a fishmeal (FM) diet (CF) and an FM diet supplemented with H. illucens (FH10) on growth performance, gut health and homeostasis of farmed subadult European seabass were tested and compared. Results Fish fed the VH10 and VH10P30 diets showed the highest specific growth rates and lowest feed conversion ratios among the tested groups. Expectedly, the best preservation of PI morphology was observed in fish fed the CF or FH10 diets, while fish fed the CV diet exhibited significant degenerative changes in the proximal and distal intestines. However, PBM supplementation mitigated these effects and significantly improved all gut morphometric parameters in the VH10P30 group. Partial substitution of the plant mixture with insect meal alone or PBM also induced most BBM genes and activated BBM enzymes, suggesting a beneficial effect on intestinal digestive/absorption functions. Regarding intestinal microbiota, fish fed diets containing H. illucens meal (FH10, VH10, VH10P30) had the highest richness of bacterial communities and abundance of beneficial genera such as Lactobacillus and Bacillus. On the other hand, fish fed CV had the highest microbial diversity but lost a significant component of fish intestinal microbiota, the phylum Bacteroidetes. Finally, skin pigmentation most similar to that of farmed or even wild seabass was also observed in the fish groups fed CF, FH10 or VH10P30. Conclusion Plant-based diets supplemented with PBM and H. illucens pupae meal have great potential as alternative diets for European seabass, without affecting growth performance, gut homeostasis, or overall fitness. This also highlights the importance of animal proteins in diets of European seabass, as the addition of a small amount of these alternative animal protein sources significantly improved all measured parameters. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-022-00725-z.
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Microbiota composition and intestinal integrity remain unaltered after the inclusion of hydrolysed Nannochloropsis gaditana in Sparus aurata diet. Sci Rep 2021; 11:18779. [PMID: 34548549 PMCID: PMC8455595 DOI: 10.1038/s41598-021-98087-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 08/30/2021] [Indexed: 12/30/2022] Open
Abstract
The use of lysed microalgae in the diet of carnivorous fish can increase the bioavailability of proteins and bioactive compounds, such as unsaturated fatty acids or vitamins in the digestive tract. These are essential molecules for the proper physiological development of fish in aquaculture. However, some antinutritional components and other undesirable molecules can be released from an excess of microalgae supplied, compromising the integrity of the intestine. The inclusion of small amounts of hydrolized microalgae in the fish diet can be a good strategy to avoid negative effects, improving the availability of beneficial compounds. Nannochloropsis gaditana is an interesting microalgae as it contains nutraceuticals. Previous studies reported beneficial effects after its inclusion in the diet of Sparus aurata, a widely cultured species in Europe and in all Mediterranean countries. However, administration of raw microalgae can produce intestinal inflammation, increased intestinal permeability, bacterial translocation and disturbance of digestion and absorption processes. The aim of this study was to evaluate changes in the intestinal microbiota and barrier stability of S. aurata fed with low inclusion (5%) hydrolysed N. gaditana. Intestinal microbiota was analyzed using Illumina MiSeq technology and libraries were constructed using variable regions V3–V4 of 16S rDNA molecules. Analysis were based in the identification, quantification and comparison of sequences. The predictive intestinal microbial functionality was analyzed with PICRUSt software. The results determined that the intestinal microbiota bacterial composition and the predictive intestinal microbiota functionality did not change statistically after the inclusion of N. gaditana on the diet. The study of gene expression showed that genes involved in intestinal permeability and integrity were not altered in fish treated with the experimental diet. The potential functionality and bacterial taxonomic composition of the intestinal microbiota, and the expression of integrity and permeability genes in the intestine of the carnivorous fish S. aurata were not affected by the inclusion of hydrolysed 5% N. gaditana microalgae.
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Casetta J, Ribeiro RP, Lewandowski V, Khatlab ADS, de Oliveira Neto AR, Boscolo WR, Gasparino E. Expression of the PEPT1, CAT, SOD2 and GPX1 genes in the zebrafish intestine supplemented with methionine dipeptide under predation risk. J Anim Physiol Anim Nutr (Berl) 2021; 105:1214-1225. [PMID: 33772913 DOI: 10.1111/jpn.13535] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 01/25/2021] [Accepted: 02/26/2021] [Indexed: 12/01/2022]
Abstract
This study evaluated the effect of methionine supplementation, predation risk and their interaction on gut histology, whole-body cortisol levels, and intestinal gene expression in zebrafish. A total of 360 one-year-old animals were maintained under two environmental conditions and fed diets containing different methionine sources. Fish were fed either a control diet (CTL, without methionine supplementation), a diet supplemented with dl-methionine (DLM), or a diet supplemented with methionine dipeptide (MM) in the absence (AP) of a predator or in the presence of the predator (PP) for 48 h or 20 days. Predator-induced stress for 20 days resulted in lower body weight. Zebrafish fed methionine-supplemented diets had higher weight gain than control fish. We found no effect of predation stress or methionine supplementation on cortisol level. Predation risk and methionine supplementation showed no interaction effect on dipeptide transporter gene expression. After 48 h of predation pressure, zebrafish had higher mRNA expression of SOD2, CAT and GPX1 in the gut. After 20 days of exposure to the predator, zebrafish fed methionine-supplemented diets had lower expression of GPX1, SOD2 and CAT than those diet CTL. Methionine dipeptide and free methionine supplementation improved growth, intestinal health and survivability of zebrafish both conditions.
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Affiliation(s)
- Jaísa Casetta
- Animal Science Department, State University of Maringá, Maringá, Brazil
| | | | - Vanessa Lewandowski
- Department of Aquacultural Engineering, Federal University of Grande Dourados, Dourados, Brazil
| | | | | | | | - Eliane Gasparino
- Animal Science Department, State University of Maringá, Maringá, Brazil
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Verdile N, Pasquariello R, Brevini TAL, Gandolfi F. The 3D Pattern of the Rainbow Trout ( Oncorhynchus mykiss) Enterocytes and Intestinal Stem Cells. Int J Mol Sci 2020; 21:ijms21239192. [PMID: 33276531 PMCID: PMC7730110 DOI: 10.3390/ijms21239192] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
We previously showed that, according to the frequency and distribution of specific cell types, the rainbow trout (RT) intestinal mucosa can be divided in two regions that form a complex nonlinear three-dimensional (3D) pattern and have a different renewal rate. This work had two aims. First, we investigated whether the unusual distribution of cell populations reflects a similar distribution of functional activities. To this end, we determined the protein expression pattern of three well-defined enterocytes functional markers: peptide transporter 1 (PepT1), sodium-glucose/galactose transporter 1 (SGLT-1), and fatty-acid-binding protein 2 (Fabp2). Second, we characterized the structure of RT intestinal stem-cell (ISC) niche and determined whether the different proliferative is accompanied by a different organization and/or extension of the stem-cell population. We studied the expression and localization of well-characterized mammal ISC markers: LGR5, HOPX, SOX9, NOTCH1, DLL1, and WNT3A. Our results indicate that morphological similarity is associated with similar function only between the first portion of the mid-intestine and the apical part of the complex folds in the second portion. Mammal ISC markers are all expressed in RT, but their localization is completely different, suggesting also substantial functional differences. Lastly, higher renewal rates are supported by a more abundant ISC population.
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Affiliation(s)
- Nicole Verdile
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milano, Italy; (N.V.); (R.P.)
| | - Rolando Pasquariello
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milano, Italy; (N.V.); (R.P.)
| | - Tiziana A. L. Brevini
- Department of Health, Animal Science and Food Safety, University of Milan, 20133 Milano, Italy;
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milano, Italy; (N.V.); (R.P.)
- Correspondence: ; Tel.: +39-02-5031-7990
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Roques S, Deborde C, Guimas L, Marchand Y, Richard N, Jacob D, Skiba-Cassy S, Moing A, Fauconneau B. Integrative Metabolomics for Assessing the Effect of Insect ( Hermetia illucens) Protein Extract on Rainbow Trout Metabolism. Metabolites 2020; 10:metabo10030083. [PMID: 32120848 PMCID: PMC7143670 DOI: 10.3390/metabo10030083] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 01/01/2023] Open
Abstract
Nutrition of high trophic species in aquaculture is faced with the development of sustainable plant-based diets. Insects seem particularly promising for supplementing plant-based diets. However, the complex effect of whole insect meal on fish metabolism is not well understood, and even less is known about insect meal extracts. The purpose of this work was to decipher the metabolic utilization of a plant-based diet supplemented with the gradual addition of an insect protein extract (insect hydrolysate at 0%, 5%, 10% and 15%). 1H-NMR profiling was used to assess metabolites in experimental diets and in fish plasma, liver and muscle. A significant dose-dependent increase in growth and feed efficiency with increasing insect extract amounts was observed. The incremental incorporation of the insect extract in diet had a significant and progressive impact on the profile of dietary soluble compounds and trout metabolome. The metabolites modulated by dietary insect extracts in plasma and tissues were involved in protein and energy metabolism. This was associated with the efficient metabolic use of dietary free amino acids toward protein synthesis through the concomitant supply of balanced free amino acids and energy substrates in muscle. The findings provide new insights into how the dietary food metabolome affects fish metabolism.
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Affiliation(s)
- Simon Roques
- INRAE, University Pau & Pays Adour, E2S UPPA, UMR NuMeA Nutrition, Metabolism and Aquaculture, F-64310 Saint Pée sur Nivelle, France; (S.R.); (S.S.-C.); (B.F.)
- Phileo by Lesaffre, F-59700 Marcq-en-Baroeul, France;
- PMB-Metabolome, INRAE, 2018 Bordeaux Metabolome Facility, MetaboHUB, F-33140 Villenave d’Ornon, France; (C.D.); (D.J.)
| | - Catherine Deborde
- PMB-Metabolome, INRAE, 2018 Bordeaux Metabolome Facility, MetaboHUB, F-33140 Villenave d’Ornon, France; (C.D.); (D.J.)
- INRAE, University Bordeaux, UMR Fruit Biology and Pathology, F-33140 Villenave d’Ornon, France
| | | | | | | | - Daniel Jacob
- PMB-Metabolome, INRAE, 2018 Bordeaux Metabolome Facility, MetaboHUB, F-33140 Villenave d’Ornon, France; (C.D.); (D.J.)
- INRAE, University Bordeaux, UMR Fruit Biology and Pathology, F-33140 Villenave d’Ornon, France
| | - Sandrine Skiba-Cassy
- INRAE, University Pau & Pays Adour, E2S UPPA, UMR NuMeA Nutrition, Metabolism and Aquaculture, F-64310 Saint Pée sur Nivelle, France; (S.R.); (S.S.-C.); (B.F.)
| | - Annick Moing
- PMB-Metabolome, INRAE, 2018 Bordeaux Metabolome Facility, MetaboHUB, F-33140 Villenave d’Ornon, France; (C.D.); (D.J.)
- INRAE, University Bordeaux, UMR Fruit Biology and Pathology, F-33140 Villenave d’Ornon, France
- Correspondence: ; Tel.: +33-5-57-12-25-28
| | - Benoit Fauconneau
- INRAE, University Pau & Pays Adour, E2S UPPA, UMR NuMeA Nutrition, Metabolism and Aquaculture, F-64310 Saint Pée sur Nivelle, France; (S.R.); (S.S.-C.); (B.F.)
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Shadieva LA, Romanova EM, Lyubomirova VN, Romanov VV, Shlenkina TM. Effect of feed composition on the nutritional value of meat of African catfish. BIO WEB OF CONFERENCES 2020. [DOI: 10.1051/bioconf/20202700134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The article outlines the results of the research into the influence of feed composition on the amino acid value of African catfish meat. It has been shown that quality characteristics of fish meat depend on protein and fat content. It has been proved that high-protein feed ensures increase in the content of all amino acids in African catfish meat. Nevertheless, protein and fat content in the muscles of the studied fish is more than 2 times higher than the same indicator in the fish on low-protein and low-fat diet. Meat of the African catfish is rich in two amino acids – leucine and lysine. Two amino acids, tryptophan and methionine, are limitative at a high protein diet. At a lower protein diet, isoleucine amino acid is also added. The amino acid composition of African catfish meat is highest at high-protein feeds. The amino acid index of African catfish muscles at high-protein feeds is 0.48, significantly exceeding the index of fish bred on feeds with a reduced protein content. The conducted studies have shown that the use of high-protein feeds in catfish breeding stimulates protein metabolism, enriching the amino acid composition of muscle tissue and increasing the nutritional value of fish as a food product. The research has been funded by the Russian Foundation for Fundamental Research, project No. 18-016-00127.
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Weinrauch AM, Blewett TA, Glover CN, Goss GG. Acquisition of alanyl-alanine in an Agnathan: Characteristics of dipeptide transport across the hindgut of the Pacific hagfish Eptatretus stoutii. JOURNAL OF FISH BIOLOGY 2019; 95:1471-1479. [PMID: 31621087 DOI: 10.1111/jfb.14168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
This study used 3 H-L -alanyl-L -alanine to demonstrate dipeptide uptake using in vitro gut sacs prepared from the hindgut of the Pacific hagfish Eptatretus stoutii. Concentration-dependent kinetic analysis resulted in a sigmoidal distribution with a maximal (± SE) uptake rate (Jmax -like) of 70 ± 3 nmol cm-2 h-1 and an affinity constant (Km -like) of 1072 ± 81 μM. Addition of high alanine concentrations to transport assays did not change dipeptide transport rates, indicating that hydrolysis of the dipeptide in mucosal solutions and subsequent uptake via apical amino acid transporters was not occurring, which was further supported by a Km distinct from that of amino acid transport. Transport occurred independent of mucosal pH, but uptake was reduced by 42% in low mucosal sodium. This may implicate cooperation between peptide transporters and sodium-proton exchangers, previously demonstrated in several mammalian and teleost species. Finally, apical L -alanyl-L -alanine uptake rates (i.e., mucosal disappearance) were significantly increased following a meal, demonstrating regulation of uptake. Overall, this examination of dipeptide acquisition in the earliest extant Agnathan suggests evolutionarily conserved mechanisms of transport between hagfish and later-diverging vertebrates such as teleosts and mammals.
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Affiliation(s)
- Alyssa M Weinrauch
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Bamfield Marine Sciences Centre, Bamfield, British Columbia, Canada
| | - Tamzin A Blewett
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Bamfield Marine Sciences Centre, Bamfield, British Columbia, Canada
| | - Chris N Glover
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Bamfield Marine Sciences Centre, Bamfield, British Columbia, Canada
- Faculty of Science and Technology and Athabasca River Basin Research Institute, Athabasca University, Athabasca, Alberta, Canada
| | - Greg G Goss
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Bamfield Marine Sciences Centre, Bamfield, British Columbia, Canada
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Evaluation of Ulva ohnoi as functional dietary ingredient in juvenile Senegalese sole (Solea senegalensis): Effects on the structure and functionality of the intestinal mucosa. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101608] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Roques S, Deborde C, Richard N, Sergent L, Kurz F, Skiba-Cassy S, Fauconneau B, Moing A. Characterizing alternative feeds for rainbow trout (O. mykiss) by 1H NMR metabolomics. Metabolomics 2018; 14:155. [PMID: 30830467 PMCID: PMC6267160 DOI: 10.1007/s11306-018-1454-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 11/21/2018] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Fish feed formulations are constantly evolving to improve the quality of diets for farmed fish and to ensure the sustainability of the aquaculture sector. Nowadays, insect, microalgae and yeast are feedstuff candidates for new feeds. However, the characterization of aquafeed is still based on proximate and targeted analyses which may not be sufficient to assess feed quality. OBJECTIVES Our aim was to highlight the soluble compounds that specifically differ between selected plant-based feeds complemented with alternative feedstuffs and discuss their origin and potential for fish nutrition. METHODS A growth trial was carried out to evaluate growth performances and feed conversion ratios of fish fed plant-based, commercial, insect, spirulina and yeast feeds. 1H NMR metabolomics profiling of each feed was performed using a CPMG sequence on polar extracts. Spectra were processed, and data were analyzed using multivariate and univariate analyses to compare alternative feeds to a plant-based feed. RESULTS Fish fed insect or yeast feed showed the best growth performances associated with the lowest feed conversion ratios compared to plant-based feed. Soluble compound 1H NMR profiles of insect and spirulina alternative feeds differed significantly from the plant-based one that clustered with yeast feed. In insect and spirulina feeds, specific differences compared to plant-based feed concerned glycerol and 3-hydroxybutyrate, respectively. CONCLUSION This strategy based on compositional differences between plant-based and alternative feeds can be useful for detecting compounds unsuspected until now that could impact fish metabolism.
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Affiliation(s)
- Simon Roques
- INRA, Univ Pau & Pays Adour, E2S UPPA, UMR 1419, Nutrition Métabolisme, Aquaculture, 64310 Saint Pée sur Nivelle, France
- Phileo Lesaffre Animal Care, 59700 Marcq-en-Baroeul, France
- Bordeaux Metabolome Facility, MetaboHUB, CGFB, Centre INRA de Nouvelle Aquitaine Bordeaux, 33140 Villenave d’Ornon, France
| | - Catherine Deborde
- Bordeaux Metabolome Facility, MetaboHUB, CGFB, Centre INRA de Nouvelle Aquitaine Bordeaux, 33140 Villenave d’Ornon, France
- INRA, Univ. Bordeaux, UMR 1332 Fruit Biology and Pathology, Centre INRA de Nouvelle Aquitaine Bordeaux, 33140 Villenave d’Ornon, France
| | - Nadège Richard
- Phileo Lesaffre Animal Care, 59700 Marcq-en-Baroeul, France
| | | | - Francis Kurz
- Algae Natural Food, 67400 Illkirch-Graffenstaden, France
| | - Sandrine Skiba-Cassy
- INRA, Univ Pau & Pays Adour, E2S UPPA, UMR 1419, Nutrition Métabolisme, Aquaculture, 64310 Saint Pée sur Nivelle, France
| | - Benoît Fauconneau
- INRA, Univ Pau & Pays Adour, E2S UPPA, UMR 1419, Nutrition Métabolisme, Aquaculture, 64310 Saint Pée sur Nivelle, France
| | - Annick Moing
- Bordeaux Metabolome Facility, MetaboHUB, CGFB, Centre INRA de Nouvelle Aquitaine Bordeaux, 33140 Villenave d’Ornon, France
- INRA, Univ. Bordeaux, UMR 1332 Fruit Biology and Pathology, Centre INRA de Nouvelle Aquitaine Bordeaux, 33140 Villenave d’Ornon, France
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Tailoring acyclovir prodrugs with enhanced antiviral activity: rational design, synthesis, human plasma stability and in vitro evaluation. Amino Acids 2018; 50:1131-1143. [DOI: 10.1007/s00726-018-2590-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 05/12/2018] [Indexed: 12/14/2022]
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