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Nofouzi K, Sheikhzadeh N, Hamidian G, Shahbazfar AA, Soltani M, Marandi A. Growth performance, mucosal immunity and disease resistance in goldfish (Carassius auratus) orally administered with Escherichia coli Strain Nissle 1917. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024:10.1007/s10695-024-01366-x. [PMID: 38907742 DOI: 10.1007/s10695-024-01366-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 05/28/2024] [Indexed: 06/24/2024]
Abstract
The current research aimed to shed light on the efficacy of Escherichia coli strain Nissle 1917 (EcN) on goldfish (……) growth, gut immunity, morphology, bacterial nutritional enzyme activity and resistance to Aeromonas hydrophila infection. Fish fed with EcN at 106, 107 and 108 CFU/g feed for 80 days showed an enhancement in growth better than control fish. The gut innate immunity in terms of lysozyme activity, immunoglobulin and total protein levels was increased in the treatment fish with the best result being observed in fish fed EcN at 108 CFU/ g. In addition, an increase was noted in the upregulation of immune-relevant genes, namely lysozyme, interleukin-1β, inducible nitric oxide synthase and tumor necrosis factor α of fish intestine. A marked surge in the number of proteolytic and heterotrophic bacteria was noted in the gut of fish nourished with the probiotic. Histological studies exhibited an improvement in the intestinal absorption surface area, intraepithelial lymphocyte count and goblet cell density. Significantly higher survival rate was obtained in fish fed EcN at 108 CFU/g compared with the fish fed with the basal diet. These data exhibited the beneficial effect of EcN on goldfish growth, digestive enzymes, intestine heterotrophic bacteria and resistance against Aeromonas hydrophila challenge. This study confirmed the favorable outcomes resulting from the administration of EcN at108 CFU/g.
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Affiliation(s)
- Katayoon Nofouzi
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
| | - Najmeh Sheikhzadeh
- Department of Food Hygiene and Aquatic Animals, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Gholamreza Hamidian
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Amir Ali Shahbazfar
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Mehdi Soltani
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
| | - Amin Marandi
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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Chavez M, Viscardi S, Ruiz MJ, Sans-Serramitjana E, Durán P. CLI: A new protocol for the isolation of Lactic Acid Bacteria from complex plant samples. J Microbiol Methods 2024; 221:106937. [PMID: 38648958 DOI: 10.1016/j.mimet.2024.106937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/17/2024] [Accepted: 04/18/2024] [Indexed: 04/25/2024]
Abstract
Lactic Acid Bacteria (LAB) are predominantly probiotic microorganisms and the most are Generally Recognized As Safe (GRAS). LAB inhabit in the human gut ecosystem and are largely found in fermented foods and silage. In the last decades, LAB have also has been found in plant microbiota as a new class of microbes with probiotic activity to plants. For this reason, today the scientific interest in the study and isolation of LAB for agronomic application has increased. However, isolation protocols from complex samples such as plant tissues are scarce and inefficient. In this study, we developed a new protocol (CLI, Complex samples LAB Isolation) which yields purified LAB from plants. The sensitivity of CLI protocol was sufficient to isolate representative microorganisms of LAB genera (i.e. Leuconostoc, Lactococcus and Enterococcus). CLI protocol consists on five steps: i) sample preparation and pre-incubation in 1% sterile peptone at 30 °C for 24-48 h; ii) Sample homogenization in vortex by 10 min; iii) sample serial dilution in quarter-strength Ringer solution, iv) incubation in MRS agar plates with 0.2% of sorbic acid, with 1% of CaCO3, O2 < 15%, at pH 5.8 and 37 °C for 48 h.; v) Selection of single colonies with LAB morphology and CaCO3-solubilization halo. Our scientific contribution is that CLI protocol could be used for several complex samples and represents a useful method for further studies involving native LAB.
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Affiliation(s)
- Mariannys Chavez
- Doctoral Program in Natural Bioresource Sciences, Universidad de La Frontera, Temuco 4811230, Chile; Biocontrol Research Laboratory, Universidad de La Frontera, Temuco 4811230, Chile
| | - Sharon Viscardi
- Núcleo de Investigación en Producción Alimentaria, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 15-D, Temuco 4813302, Chile; Laboratorio de Investigación Interdisciplinaria en Microbiología Aplicada, Departamento de Procesos Diagnóstico y Evaluación, Facultad de Ciencias de la Salud, Universidad Católica de Temuco, Manuel Montt 56, Temuco, La Araucanía, Chile
| | - María José Ruiz
- Biocontrol Research Laboratory, Universidad de La Frontera, Temuco 4811230, Chile
| | - Eulàlia Sans-Serramitjana
- Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; Biocontrol Research Laboratory, Universidad de La Frontera, Temuco 4811230, Chile
| | - Paola Durán
- Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile; Biocontrol Research Laboratory, Universidad de La Frontera, Temuco 4811230, Chile; Facultad de Ciencias Agropecuarias y Medioambiente, Departamento de Producción Agropecuaria, Universidad de La Frontera, Temuco 4811230, Chile.
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Ferro PHS, Ribeiro GC, Borba LE, Batista RO, da Rosa Farias D, Fracalossi DM, Schwegler E, Owatari MS, Schleder DD. Effects of dietary supplementation with inactivated Lactobacillus plantarum on growth performance, haemato-biochemical parameters, liver fatty acids profile and intestinal microbiome of Nile tilapia. Vet Res Commun 2024:10.1007/s11259-024-10425-w. [PMID: 38801494 DOI: 10.1007/s11259-024-10425-w] [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: 03/09/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024]
Abstract
This study investigated the effects of dietary supplementation with inactivated Lactobacillus plantarum for Nile tilapia (Oreochromis niloticus). Three treatments, in quintuplicate, were established: a control group, fish fed a diet without additives; LP group, fish fed a diet supplemented with live probiotic; and IP group, fish fed a diet supplemented with inactivated probiotic. Final weights (49.40 ± 3.15 g) and weight gains (38.20 ± 3.23 g) were increased in tilapia in the IP group. Feed conversion (1.32 ± 0.04) decreased significantly in the IP group. Haemato-biochemical parameters were significantly influenced by dietary supplementation. Erythrocyte count (262.74 ± 69.28 × 106 μL-1) was significantly low, while albumin (1.79 ± 1.12 g dL-1) and cholesterol (254.14 ± 98.49 mg dL-1) were high in the control group. Dietary supplementation modified the tilapia microbiome. Rhodobacter was abundant in fish intestines from the control and IP groups. Phreatobacter was abundant in the IP and LP groups, while Aurantimicrobium and Bosea were abundant in the LP group. Oleic acid (C18:1n9) was significantly increased in the LP (3.25 ± 0.49%) and IP (3.02 ± 0.30%) groups. Hexadecatrienoic acid (C16:3n4) was significantly increased (0.04 ± 0.01%) in the IP group, while Cis 11,14,17-eicosatrienoic acid (C20:3n3) (0.31 ± 0.03%) and adrenic acid (C22:4n6) (0.11 ± 0.02%) were significantly decreased in the LP group. Additionally, monounsaturated fatty acids (MUFA) were significantly increased (4.83 ± 0.35%) in the LP group compared to that in the control group. Collectively, these results indicate the potential of inactivated L. plantarum for use in commercial feed, leading to the conclusion that both inactivated and live L. plantarum can improve the Nile tilapia metabolism, altering haematological and biochemical markers.
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Affiliation(s)
- Pedro Henrique Sousa Ferro
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
| | - Geany Caroline Ribeiro
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
| | - Lucas Eduardo Borba
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
| | - Rosana Oliveira Batista
- Aquaculture Department, Federal University of Santa Catarina (CCA/UFSC), Rodovia Admar Gonzaga 1346, Florianópolis, SC, 88040-900, Brazil
| | - Daniel da Rosa Farias
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
| | - Debora Machado Fracalossi
- Aquaculture Department, Federal University of Santa Catarina (CCA/UFSC), Rodovia Admar Gonzaga 1346, Florianópolis, SC, 88040-900, Brazil
| | - Elizabeth Schwegler
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
| | - Marco Shizuo Owatari
- Aquaculture Department, Federal University of Santa Catarina (CCA/UFSC), Rodovia Admar Gonzaga 1346, Florianópolis, SC, 88040-900, Brazil.
| | - Delano Dias Schleder
- Federal Institute Catarinense - Campus Araquari, BR 280 Km 27. Caixa Postal 21, 89245-000, Araquari, Santa Catarina, Brazil
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Todorov SD, Lima JMS, Bucheli JEV, Popov IV, Tiwari SK, Chikindas ML. Probiotics for Aquaculture: Hope, Truth, and Reality. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10290-8. [PMID: 38801620 DOI: 10.1007/s12602-024-10290-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2024] [Indexed: 05/29/2024]
Abstract
The use of microorganisms as beneficial crops for human and animal health has been studied for decades, and these microorganisms have been in practical use for quite some time. Nowadays, in addition to well-known examples of beneficial properties of lactic acid bacteria, bifidobacteria, selected Bacillus spp., and yeasts, there are several other bacteria considered next-generation probiotics that have been proposed to improve host health. Aquaculture is a rapidly growing area that provides sustainable proteins for consumption by humans and other animals. Thus, there is a need to develop new technologies for the production practices associated with cleaner and environment-friendly approaches. It is a well-known fact that proper selection of the optimal probiotics for use in aquaculture is an essential step to ensure effectiveness and safety. In this critical review, we discuss the evaluation of host-specific probiotics in aquaculture, challenges in using probiotics in aquaculture, methods to improve the survival of probiotics under different environmental conditions, technological approach to improving storage, and delivery along with possible negative consequences of using probiotics in aquaculture. A critical analysis of the identified challenges for the use of beneficial microbes in aquaculture will help in sustainable aquafarming, leading to improved agricultural practices with a clear aim to increase protein production.
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Affiliation(s)
- Svetoslav Dimitrov Todorov
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, 05508-000, SP, Brazil.
- CISAS-Center for Research and Development in Agrifood Systems and Sustainability, Instituto Politécnico de Viana Do Castelo, 4900-347, Viana Do Castelo, Portugal.
| | - Joao Marcos Scafuro Lima
- ProBacLab, Laboratório de Microbiologia de Alimentos, Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, 05508-000, SP, Brazil
| | - Jorge Enrique Vazquez Bucheli
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Bioestadistica y Genetica, Universidad Nacional Autonoma de Mexico, Av. Universidad 3000, C.P. 04510, Mexico City, Mexico
| | - Igor Vitalievich Popov
- Center for Agrobiotechnology, Don State Technical University, Gagarina Sq., 1, Rostov-On-Don 344002, Rostov, Russia
- Division of Immunobiology and Biomedicine, Center of Genetics and Life Sciences, Sirius University of Science and Technology, Sirius 354340, Krasnodar Region, Russia
| | - Santosh Kumar Tiwari
- Department of Genetics, Maharshi Dayanand University, Rohtak 124001, Haryana, India
| | - Michael Leonidas Chikindas
- Center for Agrobiotechnology, Don State Technical University, Gagarina Sq., 1, Rostov-On-Don 344002, Rostov, Russia
- Health Promoting Naturals Laboratory, School of Environmental and Biological Sciences, the State University of New Jersey, RutgersNew Brunswick, NJ 08901, USA
- I. M. Sechenov First Moscow State Medical University, Moscow 119435, Russia
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Contente D, Díaz-Formoso L, Feito J, Gómez-Sala B, Costas D, Hernández PE, Muñoz-Atienza E, Borrero J, Poeta P, Cintas LM. Antimicrobial Activity, Genetic Relatedness, and Safety Assessment of Potential Probiotic Lactic Acid Bacteria Isolated from a Rearing Tank of Rotifers ( Brachionus plicatilis) Used as Live Feed in Fish Larviculture. Animals (Basel) 2024; 14:1415. [PMID: 38791633 PMCID: PMC11117289 DOI: 10.3390/ani14101415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/29/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Aquaculture is a rapidly expanding agri-food industry that faces substantial economic losses due to infectious disease outbreaks, such as bacterial infections. These outbreaks cause disruptions and high mortalities at various stages of the rearing process, especially in the larval stages. Probiotic bacteria are emerging as promising and sustainable alternative or complementary strategies to vaccination and the use of antibiotics in aquaculture. In this study, potential probiotic candidates for larviculture were isolated from a rotifer-rearing tank used as the first live feed for turbot larvae. Two Lacticaseibacillus paracasei and two Lactiplantibacillus plantarum isolates were selected for further characterization due to their wide and strong antimicrobial activity against several ichthyopathogens, both Gram-positive and Gram-negative. An extensive in vitro safety assessment of these four isolates revealed the absence of harmful traits, such as acquired antimicrobial resistance and other virulence factors (i.e., hemolytic and gelatinase activities, bile salt deconjugation, and mucin degradation, as well as PCR detection of biogenic amine production). Moreover, Enterobacterial Repetitive Intergenic Consensus-PCR (ERIC-PCR) analyses unveiled their genetic relatedness, revealing two divergent clusters within each species. To our knowledge, this work reports for the first time the isolation and characterization of Lactic Acid Bacteria (LAB) with potential use as probiotics in aquaculture from rotifer-rearing tanks, which have the potential to optimize turbot larviculture and to introduce novel microbial management approaches for a sustainable aquaculture.
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Affiliation(s)
- Diogo Contente
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Lara Díaz-Formoso
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Javier Feito
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Beatriz Gómez-Sala
- APC Microbiome Ireland, University College Cork, T12 YT20 Cork, Ireland;
- Teagasc Food Research Centre, Moorepark, R93 XE12 Cork, Ireland
| | - Damián Costas
- Centro de Investigación Mariña, Universidade de Vigo, Centro de Investigación Mariña (ECIMAT), 36331 Vigo, Spain;
| | - Pablo E. Hernández
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Estefanía Muñoz-Atienza
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Juan Borrero
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
| | - Patrícia Poeta
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, Universidade de Trás-os-Montes e Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- CECAV-Veterinary and Animal Research Centre, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Luis M. Cintas
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGA-BALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.)
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Butt UD, Khan S, Liu X, Sharma A, Zhang X, Wu B. Present Status, Limitations, and Prospects of Using Streptomyces Bacteria as a Potential Probiotic Agent in Aquaculture. Probiotics Antimicrob Proteins 2024; 16:426-442. [PMID: 36933159 PMCID: PMC10024021 DOI: 10.1007/s12602-023-10053-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2023] [Indexed: 03/19/2023]
Abstract
Streptomyces is a Gram-positive bacterium, belonging to the family Streptomycetaceae and order Streptomycetales. Several strains from different species of Streptomyces can be used to promote the health and growth of artificially cultured fish and shellfish by producing secondary metabolites including antibiotics, anticancer agents, antiparasitic agents, antifungal agents, and enzymes (protease and amylase). Some Streptomyces strains also exhibit antagonistic and antimicrobial activity against aquaculture-based pathogens by producing inhibitory compounds such as bacteriocins, siderophores, hydrogen peroxide, and organic acids to compete for nutrients and attachment sites in the host. The administration of Streptomyces in aquaculture could also induce an immune response, disease resistance, quorum sensing/antibiofilm activity, antiviral activity, competitive exclusion, modification in gastrointestinal microflora, growth enhancement, and water quality amelioration via nitrogen fixation and degradation of organic residues from the culture system. This review provides the current status and prospects of Streptomyces as potential probiotics in aquaculture, their selection criteria, administrative methods, and mechanisms of action. The limitations of Streptomyces as probiotics in aquaculture are highlighted and the solutions to these limitations are also discussed.
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Affiliation(s)
| | - Sumaikah Khan
- Faculty of Science, Engineering and Computing, Kingston University, London, KT1 2EE UK
| | - Xiaowan Liu
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Awkash Sharma
- Ocean College, Zhejiang University, Zhoushan, 316021 China
| | - Xiaoqin Zhang
- Zhejiang Provincial Key Laboratory of Inheritance and Innovation of She Medicine, Lishui Hospital of Traditional Chinese Medicine, Lishui, 323000 China
| | - Bin Wu
- Ocean College, Zhejiang University, Zhoushan, 316021 China
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Aini N, Putri DSYR, Achhlam DH, Fatimah F, Andriyono S, Hariani D, Do HDK, Wahyuningsih SPA. Supplementation of Bacillus subtilis and Lactobacillus casei to increase growth performance and immune system of catfish ( Clarias gariepinus) due to Aeromonas hydrophila infection. Vet World 2024; 17:602-611. [PMID: 38680146 PMCID: PMC11045519 DOI: 10.14202/vetworld.2024.602-611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/16/2024] [Indexed: 05/01/2024] Open
Abstract
Background and Aim Catfish has a high economic value and is popular among consumers. To ensure well-stocked catfish stocks, good fisheries management must also be ensured. The high demand for catfish must be supplemented by preventive measures against pathogenic bacterial infections using probiotics with high potential for Lactobacillus casei and Bacillus subtilis. The aim of this study was to determine the effect of probiotic supplementation consisting of a combination of L. casei and B. subtilis probiotics on the growth, immune system, water quality, proximate value of feed, and body composition of catfish infected with Aeromonas hydrophila. Materials and Methods This study used a completely randomized study with eight treatments and three replications. The manipulated factor was the probiotic concentration [0% (A), 0.5% (B), 10% (C), and 15% (D)] in groups of catfish infected and uninfected with A. hydrophila. Combination of B. subtilis, and L. casei that were used in a 1:1 ratio of 108 colony forming unit/mL. The study lasted for 42 days. On the 35th day, A. hydrophila was infected by intramuscular injection into fish. The Statistical Package for the Social Sciences (SPSS) software version 23.0 (IBM SPSS Statistics) was used to analyze data on growth, immune system, and water quality. Results Providing probiotics in feed can increase the nutritional value of feed based on proximate test results. There were significant differences in average daily gain (ADG), feed conversion ratio (FCR), and survival rate (SR) parameters in the group of catfish infected with A. hydrophila (p > 0.05); however, there were no significant differences in final body weight, specific growth rate (SGR), and percentage weight gain. Interleukin-1β (IL-1β) levels were significantly different between treatments C and D. The tumor necrosis factor (TNF) α parameters were significantly different between treatments A and C, whereas the phagocytic activity of treatment A was significantly different from that of treatment D. There was a significant difference (p > 0.05) in the growth parameters of SGR, ADG, and FCR in the group of fish that were not infected with A. hydrophila, with the best treatment being a probiotic concentration of 15%, but there was no significant difference in the SR parameters. IL-1β and TNF-α levels significantly differed between E and E0 (15% probiotics) but were not significantly different in terms of phagocytosis parameters. Conclusion Based on the results of this study, it can be concluded that using a combination of probiotics L. casei and B. subtilis can improve the growth, immune system, water quality, proximate value of feed, and body composition of catfish infected with A. hydrophila.
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Affiliation(s)
- Nurul Aini
- Doctoral Mathematics and Natural Sciences Study Program, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
- Department of Agricultural Technology, KH University. A. Wahab Hasbullah, Jombang, Indonesia
| | | | - Divany Hunaimatul Achhlam
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
| | - Fatimah Fatimah
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia
- University Center of Excellence Research Center for Bio-Molecule Engineering, Universitas Airlangga, Surabaya, Indonesia
| | - Sapto Andriyono
- Department of Marine, Faculty of Fisheries and Marine Sciences, Universitas Airlangga, Surabaya, Indonesia
| | - Dyah Hariani
- Department of Biology, Faculty of Mathematics and Natural Sciences, Surabaya State University, Surabaya, Indonesia
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
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Neves NODS, De Dea Lindner J, Stockhausen L, Delziovo FR, Bender M, Serzedello L, Cipriani LA, Ha N, Skoronski E, Gisbert E, Sanahuja I, Perez Fabregat TEH. Fermentation of Plant-Based Feeds with Lactobacillus acidophilus Improves the Survival and Intestinal Health of Juvenile Nile Tilapia ( Oreochromis niloticus) Reared in a Biofloc System. Animals (Basel) 2024; 14:332. [PMID: 38275792 PMCID: PMC10812702 DOI: 10.3390/ani14020332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/14/2024] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
This study evaluated the effect of fermentation with Lactobacillus acidophilus on the biochemical and nutritional compositions of a plant-based diet and its effects on the productive performance and intestinal health of juvenile Nile tilapia (Oreochromis niloticus) reared in a biofloc technology (BFT) system. The in vitro kinetics of feed fermentation were studied to determine the L. acidophilus growth and acidification curve through counting the colony-forming units (CFUs) mL-1 and measuring the pH. Physicochemical and bromatological analyses of the feed were also performed. Based on the microbial growth kinetics results, vegetable-based Nile tilapia feeds fermented for 6 (FPB6) and 18 (FPB18) h were evaluated for 60 days. Fermented diets were compared with a positive control diet containing fishmeal (CFM) and a negative control diet without animal protein (CPB). Fermentation with L. acidophilus increased lactic acid bacteria (LAB) count and the soluble protein concentration of the plant-based feed, as well as decreasing the pH (p < 0.05). FPB treatments improved fish survival compared with CPB (p < 0.05). Fermentation increased feed intake but worsened feed efficiency (p < 0.05). The use of fermented feeds increased the LAB count and reduced pathogenic bacteria both in the BFT system's water and in the animals' intestines (p < 0.05). Fermented plant-based feeds showed greater villi (FPB6; FPB18) and higher goblet cell (FPB6) counts relative to the non-fermented plant-based feed, which may indicate improved intestinal health. The results obtained in this study are promising and show the sustainable potential of using fermented plant-based feeds in fish feeding rather than animal protein and, in particular, fishmeal.
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Affiliation(s)
- Nataly Oliveira Dos Santos Neves
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Juliano De Dea Lindner
- Department of Food Science and Technology, Universidade Federal de Santa Catarina (UFSC), Rod. Admar Gonzaga, 1346, Bairro Itacorubi, Florianópolis 88034-000, SC, Brazil;
| | - Larissa Stockhausen
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Fernanda Regina Delziovo
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Mariana Bender
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Letícia Serzedello
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Luiz Augusto Cipriani
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Natalia Ha
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Everton Skoronski
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
| | - Enric Gisbert
- Aquaculture Program, Institute of Agrifood Research and Technology (IRTA-La Ràpita), Ctra. Poble Nou. Km 5.5, 43540 La Ràpita, Spain;
| | - Ignasi Sanahuja
- Aquaculture Program, Institute of Agrifood Research and Technology (IRTA-La Ràpita), Ctra. Poble Nou. Km 5.5, 43540 La Ràpita, Spain;
| | - Thiago El Hadi Perez Fabregat
- Department of Animal Science (Pisciculture), Universidade do Estado de Santa Catarina (UDESC), Av. Luiz de Camões, 2090, Bairro Conta Dinheiro, Lages 88520-000, SC, Brazil; (N.O.D.S.N.); (L.S.); (F.R.D.); (M.B.); (L.S.); (L.A.C.); (N.H.); (E.S.)
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Sun X, Fang Z, Yu H, Zhao H, Wang Y, Zhou F, Zhao L, Sun J, Tian Y. Effects of Enterococcus faecium (R8a) on nonspecific immune gene expression, immunity and intestinal flora of giant tiger shrimp (Penaeus monodon). Sci Rep 2024; 14:1823. [PMID: 38245596 PMCID: PMC10799856 DOI: 10.1038/s41598-024-52496-4] [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: 04/26/2023] [Accepted: 01/19/2024] [Indexed: 01/22/2024] Open
Abstract
In this study, Penaeus monodon were gave basic feed supplemented with three levels of Enterococcus faecium. Then, the expression of non-specific immunity-related genes, and the activities of total antioxidant capacity (T-AOC), superoxide dismutase (SOD), malondialdehyde (MDA), acid phosphatase (ACP), alkaline phosphatase (AKP), phenol oxidase (PO) were evaluated. Meanwhile, the disease resistance test and intestinal flora determination were conducted. The results showed that the MDA levels of 2% and 5% E. faecium groups were significantly lower than that of the control group (P < 0.05). While the SOD and T-AOC and ACP and AKP of experimental groups were significantly higher (P < 0.05), the PO of experimental groups were significantly lower than that of the control group (P < 0.05). In addition, the expressions of immunity-related genes (tlr22, dorsal, lysozyme, crustin, imd, and relish) in the 2% and 5% E. faecalis groups were significantly greater than those in the control group (P < 0.05). After P. monodon was challenged with Vibrio parahaemolyticus for 7 days, the average cumulative mortality of P. monodon in the 2% and 5% groups were significantly lower than that in the 0% group (P < 0.05). With the increase of feeding time, the number of effective OTUs in each group showed a downward trend. At the 14th d, Proteobacteria, Bacteroidetes and Firmicutes, the dominant flora in the intestinal tract of P. monodon. In summary, supplied with E. faecium could increase the expression of non-specific immunity-related genes, enhance the immune capacity of P. monodon.
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Affiliation(s)
- Xueliang Sun
- Tianjin University, Environment College, 135 Yaguan Road, Haihe Education Park, Tianjin, 3003506, China
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
| | - Zhenzhen Fang
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
| | - Hong Yu
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
| | - Honghao Zhao
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
| | - Yang Wang
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China
| | - Falin Zhou
- Institute of South China Sea Oceanography, Chinese Academy of Sciences, 164 Xingang West Road, Haizhu District, Guangzhou, 510301, China
| | - Lin Zhao
- Tianjin University, Environment College, 135 Yaguan Road, Haihe Education Park, Tianjin, 3003506, China
| | - Jingfeng Sun
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China.
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, College of Fisheries, Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China.
| | - Yunchen Tian
- Tianjin Agricultural University, 22 Jinjing Road, Tianjin, 300384, China.
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10
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Contente D, Díaz-Formoso L, Feito J, Hernández PE, Muñoz-Atienza E, Borrero J, Poeta P, Cintas LM. Genomic and Functional Evaluation of Two Lacticaseibacillus paracasei and Two Lactiplantibacillus plantarum Strains, Isolated from a Rearing Tank of Rotifers ( Brachionus plicatilis), as Probiotics for Aquaculture. Genes (Basel) 2024; 15:64. [PMID: 38254954 PMCID: PMC10815930 DOI: 10.3390/genes15010064] [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: 11/06/2023] [Revised: 12/21/2023] [Accepted: 12/30/2023] [Indexed: 01/24/2024] Open
Abstract
Aquaculture plays a crucial role in meeting the increasing global demand for food and protein sources. However, its expansion is followed by increasing challenges, such as infectious disease outbreaks and antibiotic misuse. The present study focuses on the genetic and functional analyses of two Lacticaseibacillus paracasei (BF3 and RT4) and two Lactiplantibacillus plantarum (BF12 and WT12) strains isolated from a rotifer cultivation tank used for turbot larviculture. Whole-genome sequencing (WGS) and bioinformatics analyses confirmed their probiotic potential, the absence of transferable antibiotic resistance genes, and the absence of virulence and pathogenicity factors. Bacteriocin mining identified a gene cluster encoding six plantaricins, suggesting their role in the antimicrobial activity exerted by these strains. In vitro cell-free protein synthesis (IV-CFPS) analyses was used to evaluate the expression of the plantaricin genes. The in vitro-synthesized class IIb (two-peptide bacteriocins) plantaricin E/F (PlnE/F) exerted antimicrobial activity against three indicator microorganisms, including the well-known ichthyopathogen Lactococcus garvieae. Furthermore, MALDI-TOF MS on colonies detected the presence of a major peptide that matches the dimeric form of plantaricins E (PlnE) and F (PlnF). This study emphasizes the importance of genome sequencing and bioinformatic analysis for evaluating aquaculture probiotic candidates. Moreover, it provides valuable insights into their genetic features and antimicrobial mechanisms, paving the way for their application as probiotics in larviculture, which is a major bottleneck in aquaculture.
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Affiliation(s)
- Diogo Contente
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Lara Díaz-Formoso
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Javier Feito
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Pablo E. Hernández
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Estefanía Muñoz-Atienza
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Juan Borrero
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
| | - Patrícia Poeta
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - Luis M. Cintas
- Grupo de Seguridad y Calidad de los Alimentos por Bacterias Lácticas, Bacteriocinas y Probióticos (SEGABALBP), Sección Departamental de Nutrición y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040 Madrid, Spain; (D.C.); (L.D.-F.); (P.E.H.); (E.M.-A.); (J.B.); (L.M.C.)
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11
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Mozanzadeh MT, Mohammadian T, Ahangarzadeh M, Houshmand H, Najafabadi MZ, Oosooli R, Seyyedi S, Mehrjooyan S, Saghavi H, Sephdari A, Mirbakhsh M, Osroosh E. Feeding Strategies with Multi-Strain Probiotics Affect Growth, Health Condition, and Disease Resistance in Asian Seabass (Lates calcarifer). Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10207-x. [PMID: 38135810 DOI: 10.1007/s12602-023-10207-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
A 16-week feeding trial was done to examine the impacts of continuous feeding (CF) or pulse-feeding (PF) of multi-strain probiotics on Asian seabass (Lates calcarifer, 30.0 ± 0.1 g) juveniles. In this study, three different multi-strain probiotic mixtures were added to a basal diet, including (I) a mixture of different strains of Lactobacillus plantarum, (II) a mixture of the first probiotic (I) + L. delbrueckii sub bulgaricus, L. rhamnosus and L. acidophilus, and (III) a mixture of the second probiotic (II) + two quorum quenching (QQ) bacteria (Bacillus thuringiensis QQ1 and B. cereus QQ2). CF (every day) or PF (every two weeks) strategies were applied for using the abovementioned probiotics to design seven experimental groups including C (control, without probiotics), CF-I (continuous feeding of fish with the probiotic mixture I), CF-II (continuous feeding of fish with the probiotic mixture II), CF-III (continuous feeding of fish with the probiotic mixture III), PF-I (pulse-feeding of fish with the probiotic mixture I), PF-II (pulse-feeding of fish with the probiotic mixture II), and PF-III (pulse-feeding of fish with the probiotic mixture III). Four hundred and twenty fish were stocked into 21 circular polyethylene tanks with 220 L volume (20 fish/tank). Each dietary treatment had three replicates. Tanks were supplied with seawater (temperature = 30.5 °C, salinity = 45 g L-1) in a flow-throw system. Fish in CF-I, CF-II, and CF-III had higher growth rate (ca. 113-145%) and better feed conversion ratio than fish fed C and PF-I (P < 0.05). Fish in the CF-III group had the highest protease activity. Continuous feeding strategy resulted in a higher amount of glutathione and catalase activities in both the liver and plasma as well as higher superoxide dismutase activity in the liver of fish. Pulse-feeding strategy resulted in lower plasma lactate dehydrogenase and aspartate aminotransferase levels than the CF strategy. Regardless of feeding strategy, different probiotic mixtures significantly enhanced blood hemoglobin and hematocrit levels compared to the control. Continuous feeding with the multi-strain probiotics resulted in a higher survival rate against Vibrio harveyi than the PF method. Continuous feeding induced higher mRNA transcription levels of granulocyte-macrophage colony-forming cells and interleukin 10 genes in the gut of fish than PF strategy. In conclusion, continuous feeding with multi-strain probiotics is better than pulse-feeding on growth, feed utilization, antioxidant capacity, and the gut's immune-related genes and led to higher resistance of L. calcarifer in challenge with V. harveyi.
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Affiliation(s)
- Mansour Torfi Mozanzadeh
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran.
| | - Takavar Mohammadian
- Department of livestock, Poultry and Aquatic Animal Health, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
- Member of Excellence Center of Warm Water Fish Health, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Mina Ahangarzadeh
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Hossein Houshmand
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Mojtaba Zabayeh Najafabadi
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Rahim Oosooli
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Sadra Seyyedi
- Behbahan Khatam Alanbia University of Technology, Behbahan, Iran
| | - Shapour Mehrjooyan
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Hamid Saghavi
- South Iran Aquaculture Research Centre, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran
| | - Abolfazl Sephdari
- Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
| | - Maryam Mirbakhsh
- Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
| | - Elham Osroosh
- Department of livestock, Poultry and Aquatic Animal Health, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
- Member of Excellence Center of Warm Water Fish Health, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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12
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Touraki M, Chanou A, Mavridou V, Tsertseli V, Tsiridi M, Panteris E. Administration of probiotics affects Artemia franciscana metanauplii intestinal ultrastructure and offers resistance against a Photobacterium damselae ssp . piscicida induced oxidative stress response. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2023; 5:100113. [PMID: 37671319 PMCID: PMC10475491 DOI: 10.1016/j.fsirep.2023.100113] [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: 06/02/2023] [Revised: 08/10/2023] [Accepted: 08/21/2023] [Indexed: 09/07/2023] Open
Abstract
The effects of Photobacterium damselae ssp. piscicida (Phdp) on immune responses and intestinal ultrastructure of Artemia franciscana following infection and their amelioration by the probiotic bacteria Bacillus subtilis, Lactobacillus plantarum and Lactococcus lactis were evaluated. Pathogen growth inhibition in coculture with each probiotic and its virulence against Artemia were confirmed with an LC50 of 105 CFU mL-1. Phdp administration to Artemia at sublethal levels resulted in depletion of superoxide dismutase, glutathione reductase, glutathione transferase and phenoloxidase activities, extensive lipid peroxidation and reduced survival. Following a combined administration of each probiotic and the pathogen, enzyme activities and survival were significantly higher, while lipid peroxidation was reduced, compared to the infected group with no probiotic treatment (P < 0.05). The transmission electron microscopy study revealed that pathogen infection resulted in disarranged and fragmented microvilli, formation of empty or pathogen containing cytoplasmic vacuoles and damaged mitochondria. In the probiotic-treated and Phdp-infected series, intestinal cells showed normal appearance, except for the presence of pathogen-containing vacuoles and highly ordered but laterally stacked microvilli. The results of the present study indicate that Phdp induces cell death through an oxidative stress response and probiotics enhance Artemia immune responses to protect it against the Phdp induced damage.
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Affiliation(s)
- Maria Touraki
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), Thessaloniki 54 124, Greece
| | - Anna Chanou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), Thessaloniki 54 124, Greece
| | - Vasiliki Mavridou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), Thessaloniki 54 124, Greece
| | - Vasiliki Tsertseli
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), Thessaloniki 54 124, Greece
| | - Maria Tsiridi
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), Thessaloniki 54 124, Greece
| | - Emmanuel Panteris
- Department of Botany, School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
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13
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Valle-Vargas MF, Ruiz-Pardo RY, Villamil-Díaz L, Quintanilla-Carvajal MX. Production of a potential multistrain probiotic in co-culture conditions using agro-industrial by-products-based medium for fish nutrition. BMC Biotechnol 2023; 23:54. [PMID: 38102630 PMCID: PMC10724987 DOI: 10.1186/s12896-023-00822-5] [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: 10/03/2023] [Accepted: 11/22/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Probiotics are viable microorganisms that when administered in adequate amounts confer health benefits to the host. In fish, probiotic administration has improved growth, and immunological parameters. For this reason, it is necessary production of probiotic bacteria, however, commercial culture mediums used for probiotic growth are expensive, so the design of a "low" cost culture medium is necessary. Therefore, this research aimed to produce a potential multistrain probiotic preparation composed of L. lactis A12 and Priestia species isolated from Nile tilapia (Oreochromis niloticus) gut using an agro-industrial by-products-based culture medium. RESULTS A Box-Behnken design with three factors (whey, molasses, and yeast extract concentration) was used. As the main results, a high concentration of three components enhanced the viability of L. lactis A12, however, viable cell counts of Priestia species were achieved at low molasses concentrations. The Optimal conditions were 1.00% w/v whey, 0.50% w/v molasses, and 1.50% w/v yeast extract. L. lactis A12 and Priestia species viable counts were 9.43 and 6.89 Log10 CFU/mL, respectively. L. lactis A12 concentration was higher (p < 0.05) in the proposed medium compared to commercial broth. CONCLUSIONS It was possible to produce L. lactis A12 and Priestia species in co-culture conditions. Whey and molasses were suitable components to produce the multistrain preparation. The cost of the proposed culture medium was 77.54% cheaper than the commercial medium. The proposed culture medium could be an alternative to commercial mediums for the production of this multistrain probiotic.
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Affiliation(s)
- Marcelo Fernando Valle-Vargas
- Grupo de Investigación en Procesos Agroindustriales (GIPA), Doctorado en Biociencias, Facultad de Ingeniería, Universidad de La Sabana. Campus del Puente del Común, Autopista Norte de Bogotá. Chía, Km. 7, Cundinamarca, Colombia
| | - Ruth Yolanda Ruiz-Pardo
- Grupo de Investigación en Procesos Agroindustriales (GIPA), Doctorado en Biociencias, Facultad de Ingeniería, Universidad de La Sabana. Campus del Puente del Común, Autopista Norte de Bogotá. Chía, Km. 7, Cundinamarca, Colombia
| | - Luisa Villamil-Díaz
- Grupo de Investigación en Procesos Agroindustriales (GIPA), Doctorado en Biociencias, Facultad de Ingeniería, Universidad de La Sabana. Campus del Puente del Común, Autopista Norte de Bogotá. Chía, Km. 7, Cundinamarca, Colombia
| | - María Ximena Quintanilla-Carvajal
- Grupo de Investigación en Procesos Agroindustriales (GIPA), Doctorado en Biociencias, Facultad de Ingeniería, Universidad de La Sabana. Campus del Puente del Común, Autopista Norte de Bogotá. Chía, Km. 7, Cundinamarca, Colombia.
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14
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Srirengaraj V, Razafindralambo HL, Rabetafika HN, Nguyen HT, Sun YZ. Synbiotic Agents and Their Active Components for Sustainable Aquaculture: Concepts, Action Mechanisms, and Applications. BIOLOGY 2023; 12:1498. [PMID: 38132324 PMCID: PMC10740583 DOI: 10.3390/biology12121498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/26/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023]
Abstract
Aquaculture is a fast-emerging food-producing sector in which fishery production plays an imperative socio-economic role, providing ample resources and tremendous potential worldwide. However, aquatic animals are exposed to the deterioration of the ecological environment and infection outbreaks, which represent significant issues nowadays. One of the reasons for these threats is the excessive use of antibiotics and synthetic drugs that have harmful impacts on the aquatic atmosphere. It is not surprising that functional and nature-based feed ingredients such as probiotics, prebiotics, postbiotics, and synbiotics have been developed as natural alternatives to sustain a healthy microbial environment in aquaculture. These functional feed additives possess several beneficial characteristics, including gut microbiota modulation, immune response reinforcement, resistance to pathogenic organisms, improved growth performance, and enhanced feed utilization in aquatic animals. Nevertheless, their mechanisms in modulating the immune system and gut microbiota in aquatic animals are largely unclear. This review discusses basic and current research advancements to fill research gaps and promote effective and healthy aquaculture production.
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Affiliation(s)
| | - Hary L. Razafindralambo
- ProBioLab, 5004 Namur, Belgium;
- BioEcoAgro Joint Research Unit, TERRA Teaching and Research Centre, Sustainable Management of Bio-Agressors & Microbial Technologies, Gembloux Agro-Bio Tech—Université de Liège, 5030 Gembloux, Belgium
| | | | - Huu-Thanh Nguyen
- Department of Biotechnology, An Giang University, Long Xuyen City 90000, Vietnam;
| | - Yun-Zhang Sun
- Fisheries College, Jimei University, Xiamen 361021, China;
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15
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Tran NT, Liang H, Li J, Deng T, Zhang M, Li S. Health benefits of butyrate and its producing bacterium, Clostridium butyricum, on aquatic animals. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2023; 4:100088. [PMID: 36910329 PMCID: PMC9995936 DOI: 10.1016/j.fsirep.2023.100088] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/09/2023] [Accepted: 02/22/2023] [Indexed: 02/27/2023] Open
Abstract
Aquaculture plays an important role in contributing to global food security and nutrition; thus, the intensification and diversification of aquaculture are increasingly considered. However, paralleling the development of the industrial scale in aquaculture, the occurrence of diseases is always an important issue that causes great losses in economics. The finding of approaches that not only improve culture production but also reduce the impact of diseases in cultured animals is crucially essential. Previously, several studies have addressed the potential application of feed additives, such as prebiotics, probiotics, synbiotics, and microbial-derived metabolites (including short-chain fatty acids-SCFAs), in aquaculture. In this review, we provide an update focusing on the health benefits of dietary supplementation with a type of SCFAs, butyrate, and its producer, Clostridium butyricum, including their effects on growth, feed utilization, body composition, intestinal structure and function, antioxidant activity, immune response, and tolerance against stress and infection in aquatic animals. The outcomes of this study may indicate more benefits of the use of C. butyricum than that of butyrate (and its forms). This review provides general knowledge of the efficacy of butyrate and C. butyricum in aquaculture.
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Affiliation(s)
- Ngoc Tuan Tran
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Huifen Liang
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Jinkun Li
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Taoqiu Deng
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Ming Zhang
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
| | - Shengkang Li
- Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China
- Institute of Marine Sciences, Shantou University, Shantou 515063, China
- Corresponding author at: Guangdong Provincial Key Laboratory of Marine Biology, Shantou University, Shantou 515063, China.
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Ahmmed MK, Bhowmik S, Ahmmed F, Giteru SG, Islam SS, Hachem M, Hussain MA, Kanwugu ON, Agyei D, Defoirdt T. Utilisation of probiotics for disease management in giant freshwater prawn (Macrobrachium rosenbergii): Administration methods, antagonistic effects and immune response. JOURNAL OF FISH DISEASES 2023; 46:1321-1336. [PMID: 37658593 DOI: 10.1111/jfd.13850] [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: 05/15/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/03/2023]
Abstract
The giant freshwater prawn (Macrobrachium rosenbergii) is a high-yielding prawn variety well-received worldwide due to its ability to adapt to freshwater culture systems. Macrobrachium rosenbergii is an alternative to shrimp typically obtained from marine and brackish aquaculture systems. However, the use of intensive culture systems can lead to disease outbreaks, particularly in larval and post-larval stages, caused by pathogenic agents such as viruses, bacteria, fungi, yeasts and protozoans. White tail disease (viral), white spot syndrome (viral) and bacterial necrosis are examples of economically significant diseases. Given the increasing antibiotic resistance of disease-causing microorganisms, probiotics have emerged as promising alternatives for disease control. Probiotics are live active microbes that are introduced into a target host in an adequate number or dose to promote its health. In the present paper, we first discuss the diseases that occur in M. rosenbergii production, followed by an in-depth discussion on probiotics. We elaborate on the common methods of probiotics administration and explain the beneficial health effects of probiotics as immunity enhancers. Moreover, we discuss the antagonistic effects of probiotics on pathogenic microorganisms. Altogether, this paper provides a comprehensive overview of disease control in M. rosenbergii aquaculture through the use of probiotics, which could enhance the sustainability of prawn culture.
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Affiliation(s)
- Mirja Kaizer Ahmmed
- Department of Fishing and Post-harvest Technology, Chittagong Veterinary and Animal Sciences University, Chittagong, Bangladesh
- Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Shuva Bhowmik
- Centre for Bioengineering and Nanomedicine, Faculty of Dentistry, Division of Health Sciences, University of Otago, Dunedin, New Zealand
- Department of Food Science, University of Otago, Dunedin, New Zealand
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Fatema Ahmmed
- Riddet Institute, Massey University, Palmerston North, New Zealand
- Department of Chemistry, University of Otago, Dunedin, New Zealand
| | - Stephen G Giteru
- Department of Food Science, University of Otago, Dunedin, New Zealand
- Alliance Group Limited, Invercargill, New Zealand
| | - Shikder Saiful Islam
- Fisheries and Marine Resource Technology Discipline, Life Science School, Khulna University, Khulna, Bangladesh
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Tasmania, Australia
| | - Mayssa Hachem
- Department of Chemistry and Healthcare Engineering Innovation Center, Khalifa University, Abu Dhabi, UAE
| | - Md Ashraf Hussain
- Department of Fisheries Technology and Quality Control, Sylhet Agricultural University, Sylhet, Bangladesh
- ARC Centre of Excellence in Synthetic Biology and School of Natural Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Osman N Kanwugu
- Institute of Chemical Engineering, Ural Federal University, Yekaterinburg, Russia
| | - Dominic Agyei
- Department of Food Science, University of Otago, Dunedin, New Zealand
| | - Tom Defoirdt
- Center for Microbial Ecology and Technology, Ghent University, Ghent, Belgium
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Liang H, Xie Y, Li M, Chen J, Zhou W, Xia R, Ding Q, Yao Y, Zhang Z, Yang Y, Ran C, Zhou Z. The effect of stabilized culture of Lactobacillus rhamnosus GCC-3 on gut and liver health, and anti-viral immunity of zebrafish. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109074. [PMID: 37714442 DOI: 10.1016/j.fsi.2023.109074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/31/2023] [Accepted: 09/11/2023] [Indexed: 09/17/2023]
Abstract
Probiotics are promising antibiotics alternatives to improve growth and disease resistance of cultured fish. Our study aimed to investigate the effect of dietary stabilized culture of Lactobacillus rhamnosus GCC-3 on growth performance, gut and liver health and anti-viral ability of zebrafish (Danio rerio). Zebrafish (0.161 ± 0.001 g) were fed control and the experimental diet containing 1% GCC-3 culture (1 × 107 CFU/g diet) for four weeks. Growth performance and gut and liver health parameters were monitored after four weeks feeding. The gut microbiota was analyzed by 16S rRNA gene sequencing. In another experiment, zebrafish (0.212 ± 0.001 g) were fed with basal or GCC-3 diets and challenged by spring viremia of carp virus (SVCV) at the end of feeding. The antiviral immune response was evaluated at 2nd and 4th days post SVCV infection and survival rate was calculated 14 days after challenge. The results showed that adding 1% GCC-3 significantly improved growth performance of zebrafish (P < 0.05). The intestinal expression of hypoxia-inducible factor Hif-1α, tight junction protein ZO-1α and ZO-1β was significantly up-regulated in 1% GCC-3 group compared with control (P < 0.05). Besides, 1% GCC-3 decreased the content of MDA and increased total antioxidant capacity in the intestine, and the relative expression of SOD, GST and Gpxa was improved. The abundance of Proteobacteria was reduced while Firmicutes was enriched in the intestinal microbiota of 1% GCC-3 group compared with control (P < 0.05). Zebrafish fed 1% GCC-3 showed higher survival rate after SVCV challenge. Accordingly, the expression of antiviral genes in the spleen was increased at 2nd and 4th days post infection. In conclusion, our results indicate that dietary 1% GCC-3 supplementation can improve gut and liver health as well as antiviral immunity of zebrafish.
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Affiliation(s)
- Hui Liang
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yadong Xie
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Ming Li
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jie Chen
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Wenhao Zhou
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Rui Xia
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Qianwen Ding
- Norway-China Joint Lab on Fish Gastrointestinal Microbiota, Institute of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Yuanyuan Yao
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Zhen Zhang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yalin Yang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Chao Ran
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Zhigang Zhou
- Sino-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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Elsadek MM, Zhu W, Wang S, Wang X, Guo Z, Lin L, Wang G, Wang Q, Chen Y, Zhang D. Beneficial effects of indigenous Bacillus spp. on growth, antioxidants, immunity and disease resistance of Rhynchocypris lagowskii. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109047. [PMID: 37673385 DOI: 10.1016/j.fsi.2023.109047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 09/08/2023]
Abstract
This study aimed to investigate the effect of Bacillus aryabhattai (LSG3-7) and Bacillus mojavensis (LSG3-8) on growth performance, antioxidant capacity, and immune response in Rhynchocypris lagowskii (Dybowski, 1869), at the trial and challenge periods. A 630 healthy fish (10.76 ± 0.05) were randomly divided into six groups: control group (D1) was fed the basal diet, D2 and D3 were supplemented with LSG 3-7 and LSG3-8 (1 × 108 CFU/g) for both of them, whereas D4 was supplemented with a mixture of both bacteria (0.5 × 108 CFU/g each), and D5 was supplemented with LSG3-7 0.75 × 108 CFU/g + LSG3-8 0.25 × 108 CFU/g, and D6 supplemented with LSG3-7 0.25 × 108 CFU/g + LSG3-8 0.75 × 108 CFU/g. After the trial, Aeromonas hydrophila was used in a challenge test for 14 days. Treatments showed significant differences (p < 0.05) in growth performance and antioxidant capacity (CAT, CuZn-SOD, GPX) in the liver and intestine compared to the control. The antioxidant-related genes CAT, CuZn-SOD, GPX, and Nrf2 in the liver and intestine showed upregulation compared with the control group. Serum IgM, LZM, C3, C4, and AKP showed a favorable superiority (p < 0.05) in treatments (D2 - D6) at the trial and challenge test compared to controls. In parallel, immune-related genes (IgM, NF-κB, TLR-1, TLR-2, and MyD88) showed an up-regulated level (p < 0.05) in treatments (D2 - D6) compared to the control. In addition, pro-inflammatory cytokines (IL-1, TNF-α) showed a downregulated level in treatments (D2 - D6). After the challenge test, the immune-related genes in the liver and muscle showed an up-regulated level in treatments compared to the controls. The survival rate showed a significant increase (p < 0.05) in the treatment groups (D2 - D6) compared to the control. Overall, individuals and the bacterial mixture of B. aryabhattai and B. mojavensis could improve the growth performance, antioxidant capacity, immune capacity, and survival rate of R. lagowskii and prevent side effects of A. hydrophila. However, B. mojavensis showed a slight improvement compared to B. aryabhattai without a significant difference between them.
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Affiliation(s)
- Mahmoud M Elsadek
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China; Department of Fish Production, Faculty of Agriculture, Al-Azhar University, Cairo, 11884, Egypt
| | - Wenli Zhu
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China
| | - Sibu Wang
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China
| | - Xin Wang
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China
| | - Zhixin Guo
- Tonghua Normal University, College of Life Science, Jilin, Tonghua, 134001, China
| | - Lili Lin
- Fishery Technical Extension Station of Jilin Province, Changchun, 130012, China
| | - Guiqin Wang
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China
| | - Qiuju Wang
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China
| | - Yuke Chen
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China.
| | - Dongming Zhang
- College of Animal Science and Technology, Key Laboratory for Animal Production Quality and Safety of Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, 130118, China; Changchun University of Architecture and Civil Engineering, Changchun, 130607, China.
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19
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Huang W, Qu L, Gao P, Du G. Bioassay and Whole-Genome Analysis of Bacillus velezensis FIO1408, a Biocontrol Agent Against Pathogenic Bacteria in Aquaculture. Curr Microbiol 2023; 80:354. [PMID: 37740122 DOI: 10.1007/s00284-023-03423-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/04/2023] [Indexed: 09/24/2023]
Abstract
Bacterial disease is one of the most critical problems in aquaculture. Probiotics represent a promising biological approach to control bacterial disease because it is effective against pathogens and environmentally friendly. This study assessed the antagonistic activities of a bacterial strain FIO1408 isolated from deep-sea water against many pathogenic bacteria in aquaculture, including Listonella anguillarum, Vibrio parahaemolyticus, Vibrio alginolyticus, Aeromonas hydrophila, Edwardsiella anguillarum, Edwardsiella tarda, and Edwardsiella piscicida. The complete genome of strain FIO1408 consisted of a circular chromosome of 4,137,639 bp and two plasmids of 16,439 bp and 24,472 bp. Phylogenetic analysis showed strain FIO1408 clustered with Bacillus velezensis strains. 12 genes/gene clusters responsible for the synthesis of secondary metabolites were identified in the FIO1408 genome, including three lipopeptides, three polyketides, three bacteriocins, one siderophore, one dipeptide, and one unknown type. Also identified were 273 unique orthologous genes primarily involved in phage resistance, protein hydrolysis, environmental survivability, and genetic stability compared to B. velezensis KACC 13105, B. velezensis FZB42T, and B. velezensis NRRL B-41580. The principal safety of FIO1408 was demonstrated by genetic analyses and feeding trials. These findings will contribute to studies on the biocontrol mechanisms of B. velezensis FIO1408 and facilitate its application as a potent biological control agent against bacterial pathogens in aquaculture.
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Affiliation(s)
- Wenhao Huang
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, 266061, China
- Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao, 266237, China
| | - Lingyun Qu
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, 266061, China.
- Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao, 266237, China.
| | - Ping Gao
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, 266061, China.
- Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao, 266237, China.
| | - Guangxun Du
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources (MNR), Qingdao, 266061, China
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20
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Huang L, Shui X, Wang H, Qiu H, Tao C, Yin H, Wang P. Effects of Bacillus halophilus on growth, intestinal flora and metabolism of Larimichthys crocea. Biochem Biophys Rep 2023; 35:101546. [PMID: 37731665 PMCID: PMC10507136 DOI: 10.1016/j.bbrep.2023.101546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/05/2023] [Accepted: 09/08/2023] [Indexed: 09/22/2023] Open
Abstract
The incorporation of probiotics into the diet of large yellow croaker has been demonstrated by several studies to confer partial disease resistance. Bacillus halophilic isolated from the intestinal flora was used to study its effects on performance growth indicators, intestinal tissue structure, intestinal flora and the metabolism of Larimichthys crocea. A total of 180 fishes with an initial body weight of (164.00 ± 54.00) g were fed diets with three different concentrations of Bacillus halophilic: 0 cfu/mL (FC0, control group), 108 cfu/mL (FC8, treatment group), and 1012 cfu/mL (FC12, treatment group). The results showed that there were no significant differences in specific growth rate among all groups (P > 0.05). Compared to the FC0 group, the final body weight and Weight gain rate were significantly higher in FC8 and FC12 groups (P < 0.05). The Survival of the FC12 group significantly improved (P < 0.05). Compared to the FC0 group, crude protein content in muscle of the FC8 group significantly increased (P < 0.05), crude fat content significantly increased in the FC12 group (P < 0.05), crude protein content in whole fish experimental groups significantly increased (P < 0.05), and ash content significantly increased in the FC8 group (P < 0.05). In terms of antioxidant ability, the content of LZM in blood increased significantly in the FC8 group (P < 0.05), GSH content in liver of the FC12 group increased significantly (P < 0.05), while the content of MDA and AKP in blood and liver had no significant difference (P > 0.05). At the level of intestinal structure, there were no significant differences in villus height, crypt depth and goblet cell number between control group and treatment groups (P > 0.05). At the phylum level, Firmicutes was the dominant phylum, and the genus level, Lactobacillus and Bacteroides were the dominant bacteria in FC8 and FC12. A total of 1070 metabolites were identified, among which lipid metabolites accounted for 46.7%. Metabolites were involved in six main ways, mainly related to the metabolism of amino acids and lipids. The correlation analysis between microbes and metabolites showed that the intestinal flora of Larimichthys crocea could promote the synthesis of metabolites, among which Bacteroides and Megamonas could promote the synthesis of beneficial metabolites such as amino acids and vitamins. Through this study, we found that Bacillus halophilic can significantly improve growth, the antioxidant immunity ability and promote the expression of growth related metabolites, with the FC12 group being the better successful.
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Affiliation(s)
- Ling Huang
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Xiaomei Shui
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Hanying Wang
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Haoyu Qiu
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Chenzhi Tao
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Heng Yin
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
| | - Ping Wang
- College of Marine Science and Technology, Zhejiang Ocean University, 316022, Zhoushan, China
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Yang B, Song H, Hu R, Tao L, Liang Z, Cong W, Kang Y. Weissella confusa N17 Derived from Loach (Misgurnus anguillicaudatus) Exhibits Promising for Further Applications in Loach Aquaculture. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10149-4. [PMID: 37632675 DOI: 10.1007/s12602-023-10149-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2023] [Indexed: 08/28/2023]
Abstract
The application of probiotics, in aquaculture, is becoming increasingly widespread and have had positive application effects. However, reports of loach-derived probiotics are quite limited. In this study, two representative strains of lactic acid bacteria with excellent traits, namely, Weissella confusa N17 and Lactobacillus saniviri N19, were screened from the intestine of healthy loaches. W. confusa N17 and L. saniviri N19 could inhibit different common various pathogenic bacteria, especially Aeromonas spp., and were sensitive to the most common antibiotics. The survival rate of the two strains exceeded 50% after 4 h of incubation in 10% loach bile. Moreover, the two strains showed significant tolerance to trypsin. Their autoaggregation capacity and hydrophobicity were greater than 30%. In addition, the aggregation ability of both strains was higher than 30% for both A. veronii TH0426 and A. hydrophila TPS. The two strains had a high biofilm-forming ability and strong adhesion to epithelioma papulosum cyprini (EPC) cells. Scanning electron microscopy results showed that the culture supernatants of the two strains had a significantly destructive effect on A. veronii TH0426 and A. hydrophila TPS. Overall, the traits of W. confusa N17 were better than those of L. saniviri N19. Genome sequencing and analysis demonstrated a lack of virulence factor-related or drug resistance-related genes in genome N17. The diet supplemented with the W. confusa N17 strain significantly improved the resistance of loaches to A. veronii infection, and the protection rate reached 57.1%. Therefore, W. confusa N17 exhibits promising for further applications in loach aquaculture.
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Affiliation(s)
- Bintong Yang
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China
- Shandong Fu Han Ocean Sci-Tech Co., Ltd, Haiyang, 265100, China
- College of Veterinary Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
| | - Haichao Song
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China
| | - Renge Hu
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China
| | - Luotao Tao
- College of Veterinary Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
| | - Zhenlin Liang
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China
| | - Wei Cong
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China
| | - Yuanhuan Kang
- Marine College, Shandong University/Key Laboratory of Modern Marine Ranching Technology of Weihai, Weihai, 264209, China.
- College of Veterinary Medicine/College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China.
- Shandong Key Laboratory of Animal Microecological Preparation, Tai'an, 271000, China.
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22
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Leeper A, Sauphar C, Berlizot B, Ladurée G, Koppe W, Knobloch S, Skírnisdóttir S, Björnsdóttir R, Øverland M, Benhaïm D. Enhancement of Soybean Meal Alters Gut Microbiome and Influences Behavior of Farmed Atlantic Salmon ( Salmo salar). Animals (Basel) 2023; 13:2591. [PMID: 37627382 PMCID: PMC10451335 DOI: 10.3390/ani13162591] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Atlantic salmon (Salmo salar) is one of the worlds most domesticated fish. As production volumes increase, access to high quality and sustainable protein sources for formulated feeds of this carnivorous fish is required. Soybean meal (SBM) and soy-derived proteins are the dominant protein sources in commercial aquafeeds due to their low-cost, availability and favorable amino acid profile. However, for Atlantic salmon, the inclusion of soybean meal (SBM), and soy protein concentrate (SPC) in certain combinations can impact gut health, which has consequences for immunity and welfare, limiting the use of soy products in salmonid feeds. This study sought to address this challenge by evaluating two gut health-targeted enhancements of SBM for inclusion in freshwater phase salmon diets: enzyme pre-treatment (ETS), and addition of fructose oligosaccharide (USP). These were compared with untreated soybean meal (US) and fish meal (FM). This study took a multi-disciplinary approach, investigating the effect on growth performance, gut microbiome, and behaviors relevant to welfare in aquaculture. This study suggests that both enhancements of SBM provide benefits for growth performance compared with conventional SBM. Both SBM treatments altered fish gut microbiomes and in the case of ETS, increased the presence of the lactic acid bacteria Enterococcus. For the first time, the effects of marine protein sources and plant protein sources on the coping style of salmon were demonstrated. Fish fed SBM showed a tendency for more reactive behavior compared with those fed the FM-based control. All fish had a similar low response to elicited stress, although ETS-fed fish responded more actively than US-fed fish for a single swimming measure. Furthermore, SBM-fed fish displayed lower repeatability of behavior, which may indicate diminished welfare for intensively farmed fish. The implications of these findings for commercial salmonid aquaculture are discussed.
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Affiliation(s)
- Alexandra Leeper
- Department of Research and Innovation, Iceland Ocean Cluster, Grandagardur 16, 101 Reykjavik, Iceland
- Department of Animal and Aquaculture Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, 1420 Aas, Norway
- Department of Research and Innovation, Matís Ltd., 12, Vínlandsleid, 113 Reykjavik, Iceland
| | - Clara Sauphar
- Department of Research and Innovation, Matís Ltd., 12, Vínlandsleid, 113 Reykjavik, Iceland
- Department of Aquaculture and Fish Biology, Hólar University, 551 Hólar, Iceland
- Department of Biological Sciences Ålesund, Norwegian University of Science and Technology, 6025 Ålesund, Norway
| | - Benoit Berlizot
- Department of Aquaculture and Fish Biology, Hólar University, 551 Hólar, Iceland
| | - Gabrielle Ladurée
- Department of Aquaculture and Fish Biology, Hólar University, 551 Hólar, Iceland
| | - Wolfgang Koppe
- Department of Research and Innovation, Matís Ltd., 12, Vínlandsleid, 113 Reykjavik, Iceland
| | - Stephen Knobloch
- Department of Research and Innovation, Matís Ltd., 12, Vínlandsleid, 113 Reykjavik, Iceland
- Department of Food Technology, Fulda University of Applied Sciences, 36037 Fulda, Germany
| | | | - Rannveig Björnsdóttir
- Faculty of Natural Resource Sciences, University of Akureyi, Nordurslod, 600 Akureyi, Iceland
| | - Margareth Øverland
- Department of Animal and Aquaculture Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, 1420 Aas, Norway
| | - David Benhaïm
- Department of Aquaculture and Fish Biology, Hólar University, 551 Hólar, Iceland
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Monzón-Atienza L, Bravo J, Serradell A, Montero D, Gómez-Mercader A, Acosta F. Current Status of Probiotics in European Sea Bass Aquaculture as One Important Mediterranean and Atlantic Commercial Species: A Review. Animals (Basel) 2023; 13:2369. [PMID: 37508146 PMCID: PMC10376171 DOI: 10.3390/ani13142369] [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: 06/23/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
European sea bass production has increased in recent decades. This increase is associated with an annually rising demand for sea bass, which encourages the aquaculture industries to increase their production to meet that demand. However, this intensification has repercussions on the animals, causing stress that is usually accompanied by dysbiosis, low feed-conversion rates, and immunodepression, among other factors. Therefore, the appearance of pathogenic diseases is common in these industries after immunodepression. Seeking to enhance animal welfare, researchers have focused on alternative approaches such as probiotic application. The use of probiotics in European sea bass production is presented as an ecological, safe, and viable alternative in addition to enhancing different host parameters such as growth performance, feed utilization, immunity, disease resistance, and fish survival against different pathogens through inclusion in fish diets through vectors and/or in water columns. Accordingly, the aim of this review is to present recent research findings on the application of probiotics in European sea bass aquaculture and their effect on growth performance, microbial diversity, enzyme production, immunity, disease resistance, and survival in order to help future research.
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Affiliation(s)
- Luis Monzón-Atienza
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
| | - Jimena Bravo
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
| | - Antonio Serradell
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
| | - Daniel Montero
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
| | - Antonio Gómez-Mercader
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
| | - Félix Acosta
- Grupo de Investigación en Acuicultura (GIA), Instituto ECO-AQUA (IU-ECOAQUA), Universidad de Las Palmas de Gran Canaria, 35214 Las Palmas de Gran Canaria, Spain
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Coulibaly WH, Kouadio NR, Camara F, Diguță C, Matei F. Functional properties of lactic acid bacteria isolated from Tilapia (Oreochromis niloticus) in Ivory Coast. BMC Microbiol 2023; 23:152. [PMID: 37231432 DOI: 10.1186/s12866-023-02899-6] [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: 04/06/2022] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Probiotics have recently been applied in aquaculture as eco-friendly alternatives to antibiotics to improve fish health, simultaneously with the increase of production parameters. The present study aimed to investigate the functional potential of lactic acid bacteria (LAB) isolated from the gut of Tilapia (Oreochromis niloticus) originating from the aquaculture farm of Oceanologic Research Center in Ivory Coast. RESULTS Twelve LAB strains were identified by 16 S rDNA gene sequence homology analysis belonging to two genera Pediococcus (P. acidilactici and P. pentosaceus) and Lactobacillus (L. plantarum) with a predominance of P. acidilactici. Several aspects including functional, storage, and safety characteristics were taken into consideration in the selection process of the native LAB isolates as potential probiotics. All LAB isolates showed high antagonistic activity against bacterial pathogens like Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Proteus mirabilis, and Staphylococcus aureus. In addition, the LAB isolates exhibited different degrees of cell surface hydrophobicity in the presence of hexane, xylene, and chloroform as solvents and a good ability to form biofilm. The strong antioxidant activity expressed through the DPPH scavenging capacity of LAB intact cells and their cell-free supernatants was detected. LAB strains survived between 34.18% and 49.9% when exposed to low pH (1.5) and pepsin for 3 h. In presence of 0.3% bile salts, the growth rate ranged from 0.92 to 21.46%. Antibiotic susceptibility pattern of LAB isolates showed sensitivity or intermediate resistance to amoxicillin, cephalothin, chloramphenicol, imipenem, kanamycin, penicillin, rifampicin, streptomycin, tetracycline and resistance to oxacillin, gentamicin, and ciprofloxacin. No significant difference in antibiotic susceptibility pattern was observed between P. acidilactici and P. pentosaceus strains. The non-hemolytic activity was detected. Following the analysis of the enzyme profile, the ability of LAB isolates to produce either lipase or β-galactosidase or both enzymes was highlighted. Furthermore, the efficacy of cryoprotective agents was proved to be isolate-dependent, with LAB isolates having a high affinity for D-sorbitol and sucrose. CONCLUSION The explored LAB strains inhibited the growth of pathogens and survived after exposure to simulated gastrointestinal tract conditions. The safety and preservative properties are desirable attributes of these new probiotic strains hence recommended for future food and feed applications.
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Affiliation(s)
- Wahauwouélé Hermann Coulibaly
- Biotechnology and Food Microbiology Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania
| | - N'goran Richard Kouadio
- Nutrition and Food Safety Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
| | - Fatoumata Camara
- Nutrition and Food Safety Laboratory, Food Science and Technology, Formation and Research Unit, University Nangui Abrogoua, 02 BP 801 Abidjan 02, Abidjan, Côte d'Ivoire
| | - Camelia Diguță
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania.
| | - Florentina Matei
- Applied Microbiology Laboratory, Faculty of Biotechnologies, University of Agronomic Sciences and Veterinary Medicine Bucharest, 59 Mărăsti Blvd, Bucharest, 011464, Romania
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25
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Alvanou MV, Feidantsis K, Staikou A, Apostolidis AP, Michaelidis B, Giantsis IA. Probiotics, Prebiotics, and Synbiotics Utilization in Crayfish Aquaculture and Factors Affecting Gut Microbiota. Microorganisms 2023; 11:1232. [PMID: 37317206 DOI: 10.3390/microorganisms11051232] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 04/28/2023] [Accepted: 05/05/2023] [Indexed: 06/16/2023] Open
Abstract
Aquaculture is affected by numerous factors that may cause various health threats that have to be controlled by the most environmentally friendly approaches. In this context, prebiotics, probiotics, and synbiotics are frequently incorporated into organisms' feeding rations to ameliorate the health status of the host's intestine, enhancing its functionality and physiological performance, and to confront increasing antimicrobial resistance. The first step in this direction is the understanding of the complex microbiome system of the organism in order to administer the optimal supplement, in the best concentration, and in the correct way. In the present review, pre-, pro-, and synbiotics as aquaculture additives, together with the factors affecting gut microbiome in crayfish, are discussed, combined with their future prospective outcomes. Probiotics constitute non-pathogenic bacteria, mainly focused on organisms' energy production and efficient immune response; prebiotics constitute fiber indigestible by the host organism, which promote the preferred gastrointestinal tract microorganisms' growth and activity towards the optimum balance between the gastrointestinal and immune system's microbiota; whereas synbiotics constitute their combination as a blend. Among pro-, pre-, and synbiotics' multiple benefits are boosted immunity, increased resistance towards pathogens, and overall welfare promotion. Furthermore, we reviewed the intestinal microbiota abundance and composition, which are found to be influenced by a plethora of factors, including the organism's developmental stage, infection by pathogens, diet, environmental conditions, culture methods, and exposure to toxins. Intestinal microbial communities in crayfish exhibit high plasticity, with infections leading to reduced diversity and abundance. The addition of synbiotic supplementation seems to provide better results than probiotics and prebiotics separately; however, there are still conflicting results regarding the optimal concentration.
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Affiliation(s)
- Maria V Alvanou
- Department of Animal Science, Faculty of Agricultural Sciences, University of Western Macedonia, 53100 Florina, Greece
| | - Konstantinos Feidantsis
- Laboratory of Animal Physiology, Department of Zoology, Faculty of Science, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Alexandra Staikou
- Laboratory of Marine and Terrestrial Animal Diversity, Department of Zoology, Facultyof Science, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki,Greece
| | - Apostolos P Apostolidis
- Laboratory of Ichthyology & Fisheries, Department of Animal Production, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Basile Michaelidis
- Laboratory of Animal Physiology, Department of Zoology, Faculty of Science, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Ioannis A Giantsis
- Department of Animal Science, Faculty of Agricultural Sciences, University of Western Macedonia, 53100 Florina, Greece
- Laboratory of Ichthyology & Fisheries, Department of Animal Production, Faculty of Agriculture, Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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26
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Lan X, Peng X, Du T, Xia Z, Gao Q, Tang Q, Yi S, Yang G. Alterations of the Gut Microbiota and Metabolomics Associated with the Different Growth Performances of Macrobrachium rosenbergii Families. Animals (Basel) 2023; 13:ani13091539. [PMID: 37174576 PMCID: PMC10177557 DOI: 10.3390/ani13091539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
To investigate the key gut microbiota and metabolites associated with the growth performance of Macrobrachium rosenbergii families, 16S rRNA sequencing and LC-MS metabolomic methods were used. In this study, 90 M. rosenbergii families were bred to evaluate growth performance. After 92 days of culture, high (H), medium (M), and low (L) experimental groups representing three levels of growth performance, respectively, were collected according to the weight gain and specific growth rate of families. The composition of gut microbiota showed that the relative abundance of Firmicutes, Lachnospiraceae, Lactobacillus, and Blautia were much higher in Group H than those in M and L groups. Meanwhile, compared to the M and L groups, Group H had significantly higher levels of spermidine, adenosine, and creatinine, and lower levels of L-citrulline. Correlation analysis showed that the abundances of Lactobacillus and Blautia were positively correlated with the levels of alpha-ketoglutaric acid and L-arginine. The abundance of Blautia was also positively correlated with the levels of adenosine, taurine, and spermidine. Notably, lots of metabolites related to the metabolism and biosynthesis of arginine, taurine, hypotaurine, and fatty acid were upregulated in Group H. This study contributes to figuring out the landscape of the gut microbiota and metabolites associated with prawn growth performance and provides a basis for selective breeding.
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Affiliation(s)
- Xuan Lan
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Xin Peng
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Tingting Du
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Zhenglong Xia
- Jiangsu Shufeng Prawn Breeding Co., Ltd., Gaoyou 225654, China
| | - Quanxin Gao
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Qiongying Tang
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Shaokui Yi
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
| | - Guoliang Yang
- Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development, Key Laboratory of Aquatic Animal Genetic Breeding and Nutrition, Chinese Academy of Fishery Sciences, College of Life Sciences, Huzhou University, Huzhou 313000, China
- Jiangsu Shufeng Prawn Breeding Co., Ltd., Gaoyou 225654, China
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Luo K, Liu Y, Qin G, Wang S, Wei C, Pan M, Guo Z, Liu Q, Tian X. A comparative study on effects of dietary three strains of lactic acid bacteria on the growth performance, immune responses, disease resistance and intestinal microbiota of Pacific white shrimp, Penaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2023; 136:108707. [PMID: 36966896 DOI: 10.1016/j.fsi.2023.108707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 06/18/2023]
Abstract
The present study evaluated the growth performance, immune responses, disease resistance and intestinal microbiota in Penaeus vannamei fed diets supplemented with three strains of lactic acid bacteria (LAB). The basal diet (control, CO) supplemented with Lactobacillus plantarum W2 (LA), Pediococcus acidilactici Nj (PE), Enterococcus faecium LYB (EN) and florfenicol (FL), respectively, formed three LAB diets (1 × 1010 cfu kg-1) and a florfenicol diet (15 mg kg-1, positive control), were fed to shrimp for 42 days. Results indicated that specific growth rate, feed efficiency rate, and disease resistance of shrimp against Vibrio parahaemolyticus in the treatment groups were significantly improved versus the control (P < 0.05). Compared with the control, acid phosphatase, alkaline phosphatase, phenonoloxidase, total nitric oxide synthase, peroxidase, superoxide dismutase activities, total antioxidant capacity, and lysozyme content in the serum and the relative expression levels of SOD, LZM, proPO, LGBP, HSP70, Imd, Toll, Relish, TOR, 4E-BP, eIF4E1α and eIF4E2 genes in the hepatopancreas of LAB groups were enhanced to various extents. Intestinal microbiota analysis showed that the LA and EN groups significantly improved microbial diversity and richness, and LAB groups significantly altered intestinal microbial structure of shrimp. At the phylum level, the Verrucomicrobiota in the LA and PE groups, the Firmicutes in the EN group, and the Actinobacteriota in the PE and EN groups were enriched. Moreover, the CO group increased the proportion of potential pathogens (Vibrionaceae and Flavobacteriaceae). The potential pathogen (Vibrio) was reduced, and potential beneficial bacteria (Tenacibaculum, Ruegeria and Bdellovibrio) were enriched in response to dietary three strains of LAB. When the intestinal microbiota homeostasis of shrimp is considered, L. plantarum and E. faecium showed better effects than P. acidilactici. However, due to the concerns on the possible potential risks of E. faecium strains to human health, L. plantarum W2 is more suitable for application in aquaculture than E. faecium LYB. Considering collectively the above, Lactobacillus plantarum W2 could be applied as better probiotic to improve the growth performance, non-specific immunity, disease resistance and promote intestinal health of P. vannamei.
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Affiliation(s)
- Kai Luo
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Yang Liu
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Guangcai Qin
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Shishuang Wang
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Cong Wei
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Miaojun Pan
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | - Zeyang Guo
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China
| | | | - Xiangli Tian
- The Key Laboratory of Mariculture (Ocean University of China), Ministry of Education, Qingdao, 266003, China; Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China.
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28
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Akbari Nargesi E, Falahatkar B. Dietary supplementation of multi-strain probiotic in male rainbow trout (Oncorhynchus mykiss) broodstock: Effects on feed efficiency, hemato-biochemical parameters, immune response, and semen quality. FISH PHYSIOLOGY AND BIOCHEMISTRY 2023; 49:371-384. [PMID: 37002469 DOI: 10.1007/s10695-023-01181-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 03/10/2023] [Indexed: 05/04/2023]
Abstract
The present study aimed to determine the effects of dietary probiotic supplementation on feed efficiency, physiological parameters, and semen quality of male rainbow trout (Oncorhynchus mykiss) broodstock. For this purpose, a total of 48 breeders with an average initial weight of 1366.1 ± 33.8 g were divided into 4 groups and 3 replicates. Fish were fed with diets containing 0 (control), 1 × 109 (P1), 2 × 109 (P2), and 4 × 109 (P3) CFU multi-strain probiotic kg-1 diet for 8 weeks. According to the results, P2 treatment significantly enhanced body weight increase, specific growth rate, and protein efficiency ratio and decreased feed conversion ratio. Moreover, the highest values of red blood cells count, hemoglobin, and hematocrit values were observed in P2 treatment (P < 0.05). The lowest levels of glucose, cholesterol, and triglyceride were found in P1, P2, and P3 treatments, respectively. Also, the highest levels of total protein and albumin were obtained in P2 and P1 treatments (P < 0.05). Based on the results, plasma enzymes contents were significantly decreased in P2 and P3 treatments. In terms of immune parameters, the complement component 3, complement component 4, and immunoglobulin M levels were increased in all probiotic-fed treatments (P < 0.05). For spermatological features, the highest spermatocrit value, sperm concentration, and motility time were observed in the P2 treatment (P < 0.05). Consequently, we conclude that multi-strain probiotics can be used as functional feed additives in male rainbow trout broodstock to enhance semen quality, improve physiological responses, and better feed efficiency.
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Affiliation(s)
- Erfan Akbari Nargesi
- Fisheries Department, Faculty of Natural Resources, University of Guilan, P. O. Box 1144, Sowmeh Sara, Guilan, Iran
| | - Bahram Falahatkar
- Fisheries Department, Faculty of Natural Resources, University of Guilan, P. O. Box 1144, Sowmeh Sara, Guilan, Iran.
- Department of Marine Sciences, The Caspian Sea Basin Research Center, University of Guilan, Rasht, Guilan, Iran.
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Zhang Y, Qi X, Zhang Z, Jin Z, Wang G, Ling F. Effects of dietary Cetobacterium somerae on the intestinal health, immune parameters and resistance against Nocardia seriolae of largemouth bass, Micropterus salmoides. FISH & SHELLFISH IMMUNOLOGY 2023; 135:108693. [PMID: 36940785 DOI: 10.1016/j.fsi.2023.108693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
Largemouth bass (Micropterus salmoides), one of the most important freshwater commercial fish species has been widely cultivated in China. In recent years, the nocardiosis caused by Nocardia seriolae has greatly damaged the M. salmoides industry and there is no effective treatment at present. Currently, Cetobacterium somerae, the predominant bacteria in the gut of many freshwater fishes has been reported to be associated with fish health. However, whether the native C. somerae could protect the host from N. seriolae is unclear. In this study, M. salmoides were fed with three different diets, including control diet (CD), low C. somerae diet (106 CFU/g as LD) and high C. somerae diet (108 CFU/g as HD). After 8-week feeding, growth performance, gut health index, serum enzyme activities and the expression of inflammation-related genes were tested. Results showed that the LD and HD diets had no adverse effects on the growth performance. Moreover, dietary HD enhanced gut barrier and reduced intestinal ROS and ORP, as well as increased serum enzyme activities including ACP, AKP, SOD and LZM compared to the CD group. In addition, the HD diet significantly up-regulated the expression of TNF-α, IL8, IL-1β and IL15, while down-regulating the expression of TGF-β1 and IL10 in kidney. Moreover, the expression of antibacterial genes was significantly increased in HD group after being challenged by N. seriolae. And the fish fed HD diet exhibited higher survival rate (57.5%) than that in CD (37.5%) and LD groups (42.5%). To summarize, our study demonstrates that dietary HD can enhance gut health, improve immune response and strengthen pathogen resistance, suggesting that C. somerae is a potential probiotic for defending against N. seriolae infection in M. salmoides.
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Affiliation(s)
- Yong Zhang
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China
| | - Xiaozhou Qi
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China
| | - Zhongyu Zhang
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China
| | - Zhanlin Jin
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China
| | - Gaoxue Wang
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China; Key Laboratory of Livestock Biology, Northwest A&F University, China.
| | - Fei Ling
- Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China; Key Laboratory of Livestock Biology, Northwest A&F University, China.
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30
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Krogdahl Å, Dhanasiri AKS, Krasnov A, Aru V, Chikwati EM, Berge GM, Engelsen SB, Kortner TM. Effects of functional ingredients on gut inflammation in Atlantic salmon (Salmo salar L). FISH & SHELLFISH IMMUNOLOGY 2023; 134:108618. [PMID: 36801242 DOI: 10.1016/j.fsi.2023.108618] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/10/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
Functional feed ingredients are frequently used in feeds for Atlantic salmon, often claimed to improve immune functions in the intestine and reduce severity of gut inflammation. However, documentation of such effects is, in most cases, only indicative. In the present study effects of two packages of functional feed ingredients commonly used in salmon production, were evaluated employing two inflammation models. One model employed soybean meal (SBM) as inducer of a severe inflammation, the other a mixture of corn gluten and pea meal (CoPea) inducing mild inflammation. The first model was used to evaluate effects of two packages of functional ingredients: P1 containing butyrate and arginine, and P2 containing β-glucan, butyrate, and nucleotides. In the second model only the P2 package was tested. A high marine diet was included in the study as a control (Contr). The six diets were fed to salmon (average weight of 177g) in saltwater tanks (57 fish per tank), in triplicate, for 69 days (754 ddg). Feed intake was recorded. The growth rate of the fish was high, highest for the Contr (TGC: 3.9), lowest for SBM fed fish (TGC: 3.4). Fish fed the SBM diet showed severe symptoms of inflammation in the distal intestine as indicated by histological, biochemical, molecular, and physiological biomarkers. The number of differently expressed genes (DEG) between the SBM and Contr fed fish was 849 and comprised genes indicating alteration in immune functions, cellular and oxidative stress, and nutrient digestion, and transport functions. Neither P1 nor P2 altered the histological and functional symptoms of inflammation in the SBM fed fish importantly. Inclusion of P1 altered expression of 81 genes, inclusion of P2 altered 121 genes. Fish fed the CoPea diet showed minor signs of inflammation. Supplementation with P2 did not change these signs. Regarding composition of the microbiota in digesta from the distal intestine, clear differences regarding beta-diversity and taxonomy between Contr, SBM, and CoPea fed fish were observed. In the mucosa the microbiota differences were less clear. The two packages of functional ingredients altered microbiota composition of fish fed the SBM and the CoPea diet towards that of fish fed the Contr diet.
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Affiliation(s)
- Åshild Krogdahl
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Paraclinical Sciences, Ås, Norway.
| | - Anusha K S Dhanasiri
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Paraclinical Sciences, Ås, Norway
| | | | - Violetta Aru
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | | | | | | | - Trond M Kortner
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Paraclinical Sciences, Ås, Norway
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Giamaki D, Tsiotsiou M, Oglou SC, Touraki M. Interactions of Bisphenol A with Artemia franciscana and the ameliorative effect of probiotics. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 98:104064. [PMID: 36640920 DOI: 10.1016/j.etap.2023.104064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/25/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
In the present study, the bidirectional interactions of Artemia franciscana with BPA, administered either alone or following treatment with the probiotics Bacillus subtilis, Lactococcus lactis or Lactobacillus plantarum, were evaluated. A 24 h exposure to BPA below LC50 induced oxidative stress to Artemia, indicated by diminished activity of superoxide dismutase, glutathione reductase, glutathione transferase and phenoloxidase, increased lipid peroxidation and decreased survival. Probiotic treatment prior to BPA exposure, led to increased survival, reduced lipid peroxidation and increased enzyme activities. BPA quantification in Artemia and its culture medium, showed a time dependent reduction in its levels, more evident in probiotic series, indicating its biotransformation. ESI-MS analysis confirmed the presence of the tentative BPA metabolites hydroquinone and BPA-sulfate, while BPA-disulfate formation was confirmed in only in the probiotic series. Our results provide evidence that probiotics alleviate the oxidative stress response induced by BPA, by enhancing the BPA biotransformation ability of Artemia.
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Affiliation(s)
- Despoina Giamaki
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54 124 Thessaloniki, Greece.
| | - Malamati Tsiotsiou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54 124 Thessaloniki, Greece.
| | - Sevnta Chousein Oglou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54 124 Thessaloniki, Greece.
| | - Maria Touraki
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, Department of Biology, School of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54 124 Thessaloniki, Greece.
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Mirzabekyan S, Harutyunyan N, Manvelyan A, Malkhasyan L, Balayan M, Miralimova S, Chikindas ML, Chistyakov V, Pepoyan A. Fish Probiotics: Cell Surface Properties of Fish Intestinal Lactobacilli and Escherichia coli. Microorganisms 2023; 11:microorganisms11030595. [PMID: 36985169 PMCID: PMC10052099 DOI: 10.3390/microorganisms11030595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 03/03/2023] Open
Abstract
The properties of intestinal bacteria/probiotics, such as cell surface hydrophobicity (CSH), auto-aggregation, and biofilm formation ability, play an important role in shaping the relationship between the bacteria and the host. The current study aimed to investigate the cell surface properties of fish intestinal bacteria and probiotics. Microbial adhesion to hydrocarbons was tested according to Kos and coauthors. The aggregation abilities of the investigated strains were studied as described by Collado and coauthors. The ability of bacterial isolates to form a biofilm was determined by performing a qualitative analysis using crystal violet staining based on the attachment of bacteria to polystyrene. These studies prove that bacterial cell surface hydrophobicity (CSH) is associated with the growth medium, and the effect of the growth medium on CSH is species-specific and likely also strain-specific. Isolates of intestinal lactobacilli from fish (Salmo ischchan) differed from isolates of non-fish/shrimp origin in the relationship between auto-aggregation and biofilm formation. Average CSH levels for fish lactobacilli and E. coli might were lower compared to those of non-fish origin, which may affect the efficiency of non-fish probiotics use in fisheries due to the peculiarities of the hosts’ aquatic lifestyles.
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Affiliation(s)
- Susanna Mirzabekyan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
| | - Natalya Harutyunyan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
| | - Anahit Manvelyan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
| | - Lilit Malkhasyan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
| | - Marine Balayan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
| | - Shakhlo Miralimova
- Institute of Microbiology, Academy of Sciences of the Republic of Uzbekistan, Tashkent 100125, Uzbekistan
| | - Michael L. Chikindas
- Health Promoting Natural Laboratory, Rutgers State University, New Brunswick, NJ 08901, USA
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
- Department of General Hygiene, I.M. Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya Str., 19/1, 119146 Moscow, Russia
| | - Vladimir Chistyakov
- Center for Agrobiotechnology, Don State Technical University, 344002 Rostov-on-Don, Russia
- D.I. Ivanovsky Academy of Biology and Biotechnology, Southern Federal University, Prosp. Stachky 194/1, 344090 Rostov-on-Don, Russia
| | - Astghik Pepoyan
- Division of Food Safety and Biotechnology, Armenian National Agrarian University, Yerevan 0009, Armenia
- The International Scientific-Educational Center of the National Academy of Sciences of the Republic of Armenia, Yerevan 0019, Armenia
- Correspondence: or or ; Tel.: +374-91-432490
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García-Márquez J, Vizcaíno AJ, Barany A, Galafat A, Acién G, Figueroa FL, Alarcón FJ, Mancera JM, Martos-Sitcha JA, Arijo S, Abdala-Díaz RT. Evaluation of the Combined Administration of Chlorella fusca and Vibrio proteolyticus in Diets for Chelon labrosus: Effects on Growth, Metabolism, and Digestive Functionality. Animals (Basel) 2023; 13:ani13040589. [PMID: 36830376 PMCID: PMC9951767 DOI: 10.3390/ani13040589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/10/2023] Open
Abstract
This study aimed to evaluate the combined effect of dietary Chlorella fusca and ethanol-inactivated Vibrio proteolyticus DCF12.2 (C + V diet) in Chelon labrosus juveniles, highlighting their nutritional, physiological, and morphological effects. The results showed that the combined dietary inclusion of C. fusca and V. proteolyticus significantly enhanced growth performance and feed utilization compared to the control group. The C + V diet increased the fish lipid quality index (FLQ), n-3 polyunsaturated fatty acids, and n-3/n-6 ratio, which might be beneficial in terms of human nutrition. The C + V diet considerably increased carbohydrate metabolic activity by statistically boosting plasma glucose. The dietary inclusion of C. fusca in conjunction with V. proteolyticus increased metabolic enzyme activity as well as intestinal absorption capacity compared to that found in the control group. In conclusion, the experimental diet was suitable for feeding C. labrosus, increasing their growth and the nutritional characteristics of the muscle and intestine, without causing tissue damage.
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Affiliation(s)
- Jorge García-Márquez
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Antonio Jesús Vizcaíno
- Departamento de Biología y Geología, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - André Barany
- Department of Biology, Morrill Science Center, University of Massachusetts, Amherst, MA 01003, USA
- Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Ceimar-Universidad de Cádiz, 11519 Cádiz, Spain
| | - Alba Galafat
- Departamento de Biología y Geología, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - Gabriel Acién
- Departamento de Ingeniería Química, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - Félix L. Figueroa
- Departamento de Ecología y Geología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Francisco Javier Alarcón
- Departamento de Biología y Geología, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - Juan Miguel Mancera
- Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Ceimar-Universidad de Cádiz, 11519 Cádiz, Spain
| | - Juan Antonio Martos-Sitcha
- Departamento de Biología, Facultad de Ciencias del Mar y Ambientales, Instituto Universitario de Investigación Marina (INMAR), Universidad de Cádiz, Ceimar-Universidad de Cádiz, 11519 Cádiz, Spain
| | - Salvador Arijo
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
- Correspondence: ; Tel.: +34-952136650
| | - Roberto Teófilo Abdala-Díaz
- Departamento de Ecología y Geología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
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Panase A, Thirabunyanon M, Promya J, Chitmanat C. Influences of Bacillus subtilis and fructooligosaccharide on growth performances, immune responses, and disease resistance of Nile tilapia, Oreochromis niloticus. Front Vet Sci 2023; 9:1094681. [PMID: 36713865 PMCID: PMC9878692 DOI: 10.3389/fvets.2022.1094681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 12/28/2022] [Indexed: 01/13/2023] Open
Abstract
The present study investigated the effects of Bacillus subtilis and fructooligosaccharide (FOS) on growth performances, immunity improvement, and disease resistance of Nile tilapia (Oreochromis niloticus). The fish (24.5 ± 1.6 g) were fed a basal diet (G1), diets supplemented with 1 g/kg (G2), 3 g/kg (G3) and 5 g/kg (G4) of FOS as well as diets supplemented with 1 × 109 CFU/g (G5), 3 × 109 CFU/g (G6) and 5 × 109 CFU/g (G7) of B. subtilis for 56 days. After the feeding trial, the complement C3, IL-1β, TNF-α, IFN-γ, hsp70 gene expression in the liver was then analyzed by a quantitative Real-time PCR. Then, fish were infected with Streptococcus agalactiae, and the survival rate was recorded. The results showed that FOS and B. subtilis had no significant effect (P > 0.05) on growth performances and survival rate. Lysozyme activity was significantly greater in the G4, G5, G6, and G7 groups. Also, all fish fed FOS and B. subtilis showed significantly (P < 0.05) higher respiratory burst activity than other groups. The expressions of complement C3, IL-1β, TNF-α, IFN-γ, and hsp-70 in the liver were significantly higher for fish fed 5 g/kg of FOS as well as for fish that received any concentration level of B. subtilis (P < 0.05) used in the study. After the S. agalactiae challenge test, the survival rate of fish-fed diets supplemented with FOS and B. subtilis was slightly higher than for the control group. The results indicated that FOS and B. subtilis could stimulate immune responses and immune-related genes in tilapia. However, further investigation of other prebiotics or herbs in combination with B. subtilis is encouraged at molecular levels and screening for beneficial metabolites that may increasingly improve digestive enzymes, growth performances, and health benefits in tilapia. In addition, on-farm experiments are needed.
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Affiliation(s)
- Arporn Panase
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - Mongkol Thirabunyanon
- Program in Biotechnology, Faculty of Science, Maejo University, Chiang Mai, Thailand
| | - Jongkon Promya
- Faculty of Fisheries Technology and Aquatic Resources, Maejo University, Chiang Mai, Thailand
| | - Chanagun Chitmanat
- Faculty of Fisheries Technology and Aquatic Resources, Maejo University, Chiang Mai, Thailand,*Correspondence: Chanagun Chitmanat ✉
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Shan L, Tyagi A, Chen X, Yan P, Oh DH. Potential anti-obesity effect of fermented adzuki beans and their untargeted metabolomics using UHPLC-QTOF-MS. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Midhun Sebastian Jose, Arun D, Neethu S, Radhakrishnan EK, Jyothis M. Probiotic Paenibacillus polymyxa HGA4C and Bacillus licheniformis HGA8B combination improved growth performance, enzymatic profile, gene expression and disease resistance in Oreochromisniloticus. Microb Pathog 2023; 174:105951. [PMID: 36528324 DOI: 10.1016/j.micpath.2022.105951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Bacterial consortium containing two bacterial strains such as Paenibacillus polymyxa HGA4C and Bacillus licheniformis HGA8B incorporated in the diet of Oreochromis niloticus at a concentration of 1 × 106 CFU g-1 (PB1) and 1 × 108 CFU g-1 (PB2) revealed the probiotic potentials of the bacterial combination. The probiotic feed enhanced the growth performance, digestive enzymes, and antioxidant enzymes in the liver and intestine. Probiotic mediated growth enhancement was further substantiated by the up-regulation of genes such as GHR-1, GHR-2, IGF-1, and IGF-2 and the up-regulation of immune-related genes viz. TLR-2, IL-10, and TNF-α were also significantly modulated by probiotics supplementation. The intestinal MUC 2 gene expression revealed the mucosal remodification and the disease resistance of the fish challenged with Aeromonas hydrophila (MTCC-1739) was improved by the probiotic supplementation. Based on these results the new probiotic supplementation feed can be possibly marketed to help aquaculture farmers to alleviate many of the problems associated with fish farming.
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Affiliation(s)
- Midhun Sebastian Jose
- Department of Veterinary Pathology, Western College of Veterinary Medicine, 52 Campus Drive, Saskatoon, SK, Canada.
| | - Damodaran Arun
- Department of Biology, University of Regina, 3737,Wascana Parkway, Regina, Saskatchewan, Canada
| | - Sahadevan Neethu
- School of Biosciences, Mahatma Gandhi University, Kottayam, India
| | | | - Mathew Jyothis
- School of Biosciences, Mahatma Gandhi University, Kottayam, India.
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Kormas K, Nikouli E, Kousteni V, Damalas D. Midgut Bacterial Microbiota of 12 Fish Species from a Marine Protected Area in the Aegean Sea (Greece). MICROBIAL ECOLOGY 2022:10.1007/s00248-022-02154-x. [PMID: 36529834 DOI: 10.1007/s00248-022-02154-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
Fish microbiome science is progressing fast, but it is biased toward farmed or laboratory fish species against natural fish populations, which remain considerably underinvestigated. We analyzed the midgut bacterial microbiota of 45 specimens of 12 fish species collected from the Gyaros Island marine protected area (Aegean Sea, Greece). The species belong to seven taxonomic families and are either herbivores or omnivores. Mucosa midgut bacterial diversity was assessed by amplicon metabarcoding of the 16S rRNA V3-V4 gene region. A total of 854 operational taxonomic units (OTUs) were identified. In each fish species, between 2 and 18 OTUs dominated with cumulative relative abundance ≥ 70%. Most of the dominating bacterial taxa have been reported to occur both in wild and farmed fish populations. The midgut bacterial communities were different among the 12 fish species, except for Pagrus pagrus and Pagellus erythrinus, which belong to the Sparidae family. No differentiation of the midgut bacterial microbiota was found based on feeding habits, i.e., omnivorous vs. carnivorous. Comparing wild and farmed P. pagrus midgut bacterial microbiota revealed considerable variation between them. Our results expand the gut microbiota of wild fish and support the host species effect as the more likely factor shaping intestinal bacterial microbiota.
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Affiliation(s)
- Konstantinos Kormas
- Department of Ichthyology and Aquatic Environment, University of Thessaly, 384 46, Volos, Greece.
| | - Eleni Nikouli
- Department of Ichthyology and Aquatic Environment, University of Thessaly, 384 46, Volos, Greece
| | - Vasiliki Kousteni
- Institute of Marine Biological Resources and Inland Waters, Hellenic Centre for Marine Research, 710 03, Heraklion, Greece
- Fisheries Research Institute, Hellenic Agricultural Organization - Demeter, 640 07, Nea Peramos, Greece
| | - Dimitrios Damalas
- Institute of Marine Biological Resources and Inland Waters, Hellenic Centre for Marine Research, 710 03, Heraklion, Greece
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Nguyen KQ, Bruce TJ, Afe OE, Liles MR, Beck BH, Davis DA. Growth Performance, Survival, Blood Chemistry, and Immune Gene Expression of Channel Catfish ( Ictalurus punctatus) Fed Probiotic-Supplemented Diets. Vet Sci 2022; 9:vetsci9120701. [PMID: 36548862 PMCID: PMC9786324 DOI: 10.3390/vetsci9120701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
The channel catfish (Ictalurus punctatus) farming industry is the largest and one of the oldest aquaculture industries in the United States. Despite being an established industry, production issues stemming from disease outbreaks remain problematic for producers. Supplementing fish diets with probiotics to enhance the immune system and growth potential is one approach to mitigating disease. Although considerable laboratory data demonstrate efficacy, these results do not always translate to natural modes of disease transmission. Hence, the present work was conducted in the laboratory but incorporated flow-through water from large catfish pond production systems, allowing for natural exposure to pathogens. Two feeding trials were conducted in an 18-tank aquaria system housing two different sizes, 34.8 ± 12.5 g and 0.36 ± 0.03 g, of channel catfish. Channel catfish in the first trial were fed three experimental diets over six weeks. Commercial diets were top-coated with two selected spore-forming Bacillus spp. probiotics, Bacillus velezensis AP193 (1 × 106 CFU g−1) and BiOWiSH (3.6 × 104 CFU g−1), or a basal diet that contained no dietary additive. In the second eight-week trial, diets were top-coated with BiOWiSH at three concentrations (1.8, 3.6, and 7.3 × 104 CFU g−1), along with one basal diet (no probiotic). At the completion of these studies, growth performance, survival, hematocrit, blood chemistry, and immune expression of interleukin 1β (il1β), tumor necrosis factor-alpha (tnf-α), interleukin-8 (il8), transforming-growth factor β1 (tgf-β1), and toll-like receptor 9 (tlr9) were evaluated using qPCR. Trial results revealed no differences (p > 0.05) among treatments concerning growth, survival, or hematological parameters. For immune gene expression, interesting trends were discerned, with substantial downregulation observed in B. velezensis AP193-fed fish for il1β, tnf-α, and tlr9 expression within splenic tissue, compared to that of the basal and BiOWiSH diets (p < 0.05). However, the results were not statistically significant for anterior kidney tissue in the first trial. In the second trial, varied levels of probiotic inclusion revealed no significant impact of BiOWiSH’s products on the expression of il1β, tnf-α, il8, and tgf-β1 in both spleen and kidney tissue at any rate of probiotic inclusion (p > 0.05). Based on these findings, more research on utilizing probiotics in flow-through systems with natural infection conditions is crucial to ensure consistency from a controlled laboratory scale to real-world practices.
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Affiliation(s)
- Khanh Q. Nguyen
- School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
- Correspondence:
| | - Timothy J. Bruce
- School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
| | - Oluwafunmilola E. Afe
- School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
- Department of Fisheries and Aquaculture Technology, Federal University of Technology Akure, Akure 340110, Nigeria
| | - Mark R. Liles
- Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA
| | - Benjamin H. Beck
- USDA-ARS Aquatic Animal Health Research Unit, Auburn, AL 36830, USA
| | - Donald Allen Davis
- School of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
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Screening and identification of lactic acid bacteria with antimicrobial abilities for aquaculture pathogens in vitro. Arch Microbiol 2022; 204:689. [DOI: 10.1007/s00203-022-03285-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/01/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
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40
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Sousa JMG, Louvado A, Coelho FJRC, Oliveira V, Oliveira H, Cleary DFR, Gomes NCM. In vitro study of the modulatory effects of heat-killed bacterial biomass on aquaculture bacterioplankton communities. Sci Rep 2022; 12:19699. [PMID: 36385260 PMCID: PMC9669034 DOI: 10.1038/s41598-022-23439-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/31/2022] [Indexed: 11/17/2022] Open
Abstract
Recent studies have shown that the addition of non-viable microbial biomass or their components (postbiotics) to fish feed can modulate the gut microbiome and positively influence fish health in aquaculture systems. However, no information was hitherto available on the use of non-viable microbial biomass to manipulate aquaculture bacterioplankton communities. To fill this gap, here we used an in vitro model to assess the effects of heat-killed biomasses of an antagonistic strain Pseudoalteromonas rubra SubTr2 and a non-antagonist strain Escherichia coli DH5α on bacterioplankton communities of a recirculating aquaculture system (RAS). Our results showed that these biomasses can have generalist and species-specific effects on aquaculture bacterioplankton structure and function. In addition, they enriched the abundance of bacterial predators, reduced bacterial load and potentially influenced nutrient cycling and pathogen development in aquaculture water. Despite its preliminary nature, for the first time, this study showed that heat-killed microbial biomass has potential application as an in situ modulator of bacterioplankton in aquaculture systems.
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Affiliation(s)
- J. M. G. Sousa
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - A. Louvado
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - F. J. R. C. Coelho
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - V. Oliveira
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - H. Oliveira
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - D. F. R. Cleary
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - N. C. M. Gomes
- grid.7311.40000000123236065CESAM-Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
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Jastaniah SDS, Hafsan H, Tseng CJ, Karim YS, Hamza MU, Hameed NM, Al-Zubaidi SH, Almotlaq SSK, Yasin G, Iswanto AH, Dadras M, Chorehi MM. Effects of Dietary Pectin and Lactobacillus salivarius ATCC 11741 on Growth Performance, Immunocompetence, Gut Microbiota, Antioxidant Capacity, and Disease Resistance in Narrow-Clawed Crayfish, Postantacus leptodactylus. AQUACULTURE NUTRITION 2022; 2022:1861761. [PMID: 36860450 PMCID: PMC9973152 DOI: 10.1155/2022/1861761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/14/2022] [Accepted: 10/09/2022] [Indexed: 06/16/2023]
Abstract
The present study was conducted to clarify the effects of Lactobacillus salivarius (LS) ATCC 11741 and pectin (PE) on growth performance, digestive enzymes activity, gut microbiota composition, immune parameters, antioxidant defense as well as disease resistance against Aeromonas hydrophila in narrow-clawed crayfish, Postantacus leptodactylus. During 18 weeks trial feeding, 525 narrow-clawed crayfish juvenile (8.07 ± 0.1 g) fed with seven experimental diets including control (basal diet), LS1 (1 × 107 CFU/g), LS2 (1 × 109 CFU/g), PE1 (5 g/kg), PE2 (10 g/kg), LS1PE1 (1 × 107 CFU/g +5 g/kg), and LS2PE2 (1 × 109 CFU/g +10 g/kg). After 18 weeks, growth parameters (final weight, weight gain, and specific growth rate) and feed conversion rate were significantly improved in all treatments (P < 0.05). Besides, diets incorporated with LS1PE1 and LS2PE2 significantly increased the activity of amylase and protease enzymes compared to LS1, LS2, and control groups (P < 0.05). Microbiological analyses revealed that the total heterotrophic bacteria count (TVC) and lactic acid bacteria (LAB) of narrow-clawed crayfish fed diets containing LS1, LS2, LS1PE1, and LS2PE2 were higher than control group. The highest total haemocyte count (THC), large-granular (LGC) and semigranular cells (SGC) count, and hyaline count (HC) was obtained in LS1PE1 (P < 0.05). Similarly, higher immunity activity (lysozyme (LYZ), phenoloxidase (PO), nitroxidesynthetase (NOs), and alkaline phosphatase (AKP)) observed in the LS1PE1 treatment compared to the control group (P < 0.05). The glutathione peroxidase (GPx) and superoxide dismutase (SOD) activity remarkably enhanced in LS1PE1 and LS2PE2, while malondialdehyde (MDA) content reduced in these two treatments. In addition, specimens belonging to LS1, LS2, PE2, LS1PE1, and LS2PE2 groups presented higher resistance against A. hydrophila compared to the control group. In conclusion, feeding narrow-clawed crayfish with synbiotic had higher efficiency on growth parameters, immunocompetence, and disease resistance compared to single consumption of prebiotics and probiotics.
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Affiliation(s)
| | - Hafsan Hafsan
- Biology Department, Universitas Islam Negeri Alauddin, Indonesia
| | - Cheng-jui Tseng
- Assistant Professor, Rattanakosin International College of Creative Entrepreneurship, Rajamangala University of Technology Rattanakosin, Thailand
| | - Yasir Salam Karim
- Department of Pharmacy, Al-Manara College for Medical Sciences, Maysan, Iraq
| | | | | | | | | | - Ghulam Yasin
- Department of Botany, Bahauddin Zakariya University, Multan, Pakistan
| | - A. Heri Iswanto
- Public Health Department, Faculty of Health Science, University of Pembangunan Nasional Veteran Jakarta, Jakarta, Indonesia
| | - Mahnaz Dadras
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
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Enhancement of growth, innate immunity, and disease resistance by probiotic Enterococcus faecium MC-5 against Aeromonas hydrophila in Indian major carp Cirrhinus mrigala. Vet Immunol Immunopathol 2022; 253:110503. [DOI: 10.1016/j.vetimm.2022.110503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/28/2022] [Accepted: 10/11/2022] [Indexed: 11/19/2022]
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The dietary mixture of betaine, lactic acid bacteria, and exogenous digestive enzymes enhanced the growth performance, intestinal health, and immunity of Nile tilapia ( Oreochromis niloticus) grown in outdoor concrete tanks. ANNALS OF ANIMAL SCIENCE 2022. [DOI: 10.2478/aoas-2022-0056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
It has been illustrated that using mixtures of feed additives is more efficient than using individual additives in aquaculture. Hence, this study aimed to study a dietary mixture of betaine, lactic acid bacteria, and exogenous digestive enzymes (BLE) on the growth performance, digestion capacity, intestinal health, and blood indices of Nile tilapia reared outdoors in concrete tanks. Five diets were prepared where the basal diets mixed with BLE at 0, 0.25, 0.5, 0.75, and 1%. After 90 days, the growth performance of Nile tilapia-fed BLE was markedly enhanced in fish fed 0.25 and 0.5% of BLE, while the feed conversion ratio (FCR) was reduced (P<0.05). The lipase activity was significantly higher in tilapia fed BLE at 0.25, 0.5, and 0.75% than 0 and 1%. The amylase activity was meaningfully increased by 0.5% of BLE than 0, 0.25, 0.75, and 1%. The protease activity was significantly higher in tilapia fed BLE at 0.25 and 0.5 than 0, 0.75, and 1% (P<0.05). The intestine of fish fed on BLE showed an increase in intestinal villi density. The villi length, width, and the number of goblet cells were markedly higher in the anterior, middle, and posterior segments of the intestines of tilapia fed BLE than in the control group (P<0.05). Further, fish fed BLE had higher intestinal morphometry indices and count of goblet cells than the control. Significantly fish fed 0.25, and 0.5% of BLE had higher hemoglobulin, and hematocrit levels than fish fed 0, 0.75, and 1%. While, fish fed 0.5% had higher red blood cells than fish fed the remaining BLE levels (P<0.05). On the other hand, no marked effects for BLE supplementation were seen on the alanine aminotransferase (ALT), aspartate aminotransferase (AST), total protein, albumin, globulin, creatinine, uric acid, and urea. The regression analysis showed that the maximum dose of BLE supplementation to achieve the highest final weight and the lowest FCR is 0.46% and 0.42%, respectively.
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Harikrishnan R, Devi G, Van Doan H, Gatphayak K, Balasundaram C, El-Haroun E, Soltani M. Immunomulation effect of alginic acid and chitooligosaccharides in silver carp (Hypophthalmichthys molitrix). FISH & SHELLFISH IMMUNOLOGY 2022; 128:592-603. [PMID: 35977648 DOI: 10.1016/j.fsi.2022.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Individual and combined efficacy of chitooligosaccharides (COS) and alginic acid (AA) at 1 g, 2 g, and 3 g per kg diet was assessed on growth and disease resistance in silver carp (Hypophthalmichthys molitrix) against Edwardsiella ictaluri. Growth parameters including specific growth rate (SGR), weight gain (WG), and feed conversion rate (FCR) were significant in fish fed 2 g and 3 g kg-1 of COS or AA, and fish fed combined COS + AA at 1, 2 and 3 kg-1 diet. In all groups, the survival rate (SR) was recorded 100%, except in group fed 2 g kg-1 AA diet. All the hematological and biochemical profiles significantly increased in groups fed 2 g and 3 g kg-1 of COS, AA, and COS + AA diets. Lipase and amylase enzyme activities and superoxide dismutase (SOD), malondialdehyde (MDA), glutathione peroxidase (GPx) antioxidant enzyme activities were significantly increased in fish fed 2 g and 3 g kg-1 of COS, AA, and COS + AA diet. Respiratory burst (RB), lysozyme (Lyz), reactive oxygen species (ROS) activities, and immunoglobuline (Ig) level were enhanced significantly in fish fed 2 g kg-1 of COS or COS + AA and all 3 g kg-1 diets, whereas nitric acid (NO) production and serum AP activity were improved in 2 g kg-1 COS + AA and 3 g kg-1 COS or COS + AA diets. Pro-inflammatory cytokine such as IL-8 mRNA transcriptions was significant in 2 g kg-1 COS + AA diet and all 3 g kg-1 diet. The IL-10 anti-inflammatory cytokine mRNA transcriptions were significant in 3 g kg-1 COS or COS + AA diets. This study was confirmed that H. molitrix fed with 3 g kg-1 COS or COS + AA diets were better activity when compared to other diet.
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Affiliation(s)
- Ramasamy Harikrishnan
- Department of Zoology, Pachaiyappa's College for Men, Kanchipuram, 631 501, Tamil Nadu, India
| | - Gunapathy Devi
- Department of Zoology, Nehru Memorial College, Puthanampatti, 621 007, Tamil Nadu, India
| | - Hien Van Doan
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand; Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Thailand.
| | - Kesinee Gatphayak
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Chellam Balasundaram
- Department of Herbal and Environmental Science, Tamil University, Thanjavur, 613 005, Tamil Nadu, India
| | - Ehab El-Haroun
- Fish Nutrition Research Laboratory, Animal Production Department, Faculty of Agriculture, Cairo University, Egypt
| | - Mehdi Soltani
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, WA, Australia
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45
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Le B, Kim DG, Phuoc NN, Linh NTH, Yang SH. Dietary supplementation with Pediococcus pentosaceus enhances the innate immune response in and promotes growth of Litopenaeus vannamei shrimp. JOURNAL OF FISH DISEASES 2022; 45:1343-1354. [PMID: 35675520 DOI: 10.1111/jfd.13666] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 05/23/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
To reach the sustainable development goals on health management in Litopenaeus vannamei shrimp culture, Pediococcus pentosaceus AB01 was supplemented in shrimp diet. In this study, the control diet and three experimental diets containing P. pentosaceus AB01 (108 , 109 , 1010 CFU/g) were separately introduced to L. vannamei for a 28 days feeding trial. After the feeding trial, percent weight gain, feeding efficiency, and feed conversion ratio (FCR) were significantly elevated in L. vannamei administered with P. pentosaceus AB01 at 109 and 1010 colony-forming unit (CFU)/g. Protease, amylase, and trypsin were found at higher levels in the probiotic-supplied groups. The feeding of shrimps with P. pentosaceus AB01 significantly increased innate immune response and levels of related biochemical parameters in the haemolymph. After the white spot syndrome virus (WSSV) challenge, supplementation of P. pentosaceus AB01 had significant positive effects (p < .05) on survival rate, compared to that of the control diet. The higher resistance of L. vannamei to WSSV might have been due to alterations in the gut microbiome composition and upregulation of the Toll-Like Receptor (TLR) signalling pathway. Hence, P. pentosaceus AB01 may be a promising alternative feed to promote growth rate, modulate microbiota composition, and enhance immunity in L. vannamei shrimp.
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Affiliation(s)
- Bao Le
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Dong-Geun Kim
- Department of Biotechnology, Chonnam National University, Yeosu, Korea
| | - Nguyen Ngoc Phuoc
- Faculty of Fisheries, University of Agriculture and Forestry, Hue University, Hue City, Viet Nam
| | - Nguyen Thi Hue Linh
- Faculty of Fisheries, University of Agriculture and Forestry, Hue University, Hue City, Viet Nam
| | - Seung-Hwan Yang
- Department of Biotechnology, Chonnam National University, Yeosu, Korea
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Abdo SE, El-Nahas AF, Abdelmenam S, Elmadawy MA, Mohamed R, Helal MA, El-Kassas S. The synergetic effect of Bacillus species and Yucca shidigera extract on water quality, histopathology, antioxidant, and innate immunity in response to acute ammonia exposure in Nile tilapia. FISH & SHELLFISH IMMUNOLOGY 2022; 128:123-135. [PMID: 35921936 DOI: 10.1016/j.fsi.2022.07.058] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/01/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Acute ammonia toxicity suppresses the immune function and enhances the inflammatory pathways in Nile tilapia. The aim of this study was to compare the effect of Bacillus strains probiotic mixture (BS) or Yucca shidigera liquid extract (YSE) alone or their combination in water treatment and in reliving toxicity of an acute ammonia exposure in Nile tilapia through the assessment of fish immune response, inflammatory pathway, oxidative stress response with respect to the histopathological changes, gene expression, enzymes levels and phagocytosis. Five groups were used; the 1st and 2nd groups fed the basal diet; the 3rd group fed basal diet with BS in water, 4th group fed basal diet and supplemented with YSE in water and 5th group received a combination of BS and YSE. After two weeks of treatments, the 2nd, 3rd, 4th, and the 5th groups were exposed to acute ammonia challenge for 72 h. Fish exposed to ammonia displayed significant decreases in RBCs, Hb, PCV, WBCs, phagocytic activity (PA) and index (PI), lysozyme activities and serum antioxidant enzymes (glutathione peroxidase (GPX) and catalase (CAT)). Also, a significant increase in Malondialdehyde (MDA), degenerative changes in the gills, hepatopancrease and spleen associated with an elevated un-ionized ammonia level. A significant restoration of the hematological parameters was observed with the use of BS, YSE or their combination. Additionally, they improved the innate immunity, antioxidant responses, and histopathological changes. At transcriptomic level, ammonia toxicity significantly lowered the mRNA transcription levels of Nuclear erythroid 2-related factor 2 (Nrf2), quinone oxidoreductase 1 (NQO-1), Heme oxygenase 1 (HO-1) and Heat shock proteins (HSP70). While nuclear factor kappa β (NFкβ), Tumor necrosis factor α (TNF-α), Interleukin 1β (IL-1β), and Interleukin 8 (IL8), transcription levels were increased. Interestingly, BS and YSE and their combination significantly increased the expression of these genes with the highest levels reported with BS and YSE combination. We observed that, the most pronounced restoration of some important inflammatory and immune related genes close to the control level was observed when BS-YSE mix was used. Furthermore, a restored water pH, and a maintained ammonia level to the control level were observed in this group. Otherwise, equal effects for the three treatments were observed on the assessed parameters. We recommend the used of BS-YSE mix for water ammonia treatment and relieving ammonia toxicity in fish.
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Affiliation(s)
- Safaa E Abdo
- Genetics and Genetic Engineering, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt.
| | - Abeer F El-Nahas
- Department of Animal Husbandry and Animal Wealth Development-Genetics, Faculty of Veterinary Medicine, Alexandria University, Egypt.
| | - Sally Abdelmenam
- Genetics and Genetic Engineering, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
| | - Mostafa A Elmadawy
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
| | - Radi Mohamed
- Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Mohamed Atef Helal
- Animal, Poultry and Fish Breeding and Production, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
| | - Seham El-Kassas
- Animal, Poultry and Fish Breeding and Production, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
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Yang YF, Yamkasem J, Surachetpong W, Lin YJ, You SH, Lu TH, Chen CY, Wang WM, Liao CM. Assessing the effect of probiotics on tilapia lake virus-infected tilapia: Transmission and immune response. JOURNAL OF FISH DISEASES 2022; 45:1117-1132. [PMID: 35514291 DOI: 10.1111/jfd.13635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 06/14/2023]
Abstract
Probiotics have been used to alleviate disease transmission in aquaculture. However, there are limited studies on probiotic use in modulating tilapia lake virus (TiLV). We assessed commercially available probiotic supplements used in TiLV-infected tilapia and performed mortality and cohabitation assays. We developed a mechanistic approach to predict dose-response interactions of probiotic effects on mortality and immune gene response. We used a susceptible-infected-mortality disease model to assess key epidemiological parameters such as transmission rate and basic reproduction number (R0 ) based on our viral load dynamic data. We found that the most marked benefits of probiotics are significantly associated with immune system enhancements (~30%) and reductions in disease transmission (~80%) and R0 (~70%) in tilapia populations, resulting in a higher tolerance of farming densities (~400 fold) in aquaculture. These findings provide early insights as to how probiotic use-related factors may influence TiLV transmission and the immune responses in TiLV-infected tilapia. Our study facilitates understanding the mode of action of probiotics in disease containment and predicting better probiotic dosages in diet and supplements to achieve the optimal culturing conditions. Overall, our analysis assures that further study of rationally designed and targeted probiotics, or mechanistic modelling is warranted on the basis of promising early data of this approach.
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Affiliation(s)
- Ying-Fei Yang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan
| | - Jidapa Yamkasem
- Faculty of Veterinary Medicine, Department of Veterinary Microbiology and Immunology, Kasetsart University, Chatuchak, Bangkok, Thailand
| | - Win Surachetpong
- Faculty of Veterinary Medicine, Department of Veterinary Microbiology and Immunology, Kasetsart University, Chatuchak, Bangkok, Thailand
| | - Yi-Jun Lin
- Institute of Food Safety and Health Risk Assessment, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shu-Han You
- Institute of Food Safety and Risk Management, National Taiwan Ocean University, Keelung City, Taiwan
| | - Tien-Hsuan Lu
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan
| | - Chi-Yun Chen
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan
| | - Wei-Min Wang
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan
| | - Chung-Min Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan
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Lee JW, Chiu ST, Wang ST, Liao YC, Chang HT, Ballantyne R, Lin JS, Liu CH. Dietary SYNSEA probiotic improves the growth of white shrimp, Litopenaeus vannamei and reduces the risk of Vibrio infection via improving immunity and intestinal microbiota of shrimp. FISH & SHELLFISH IMMUNOLOGY 2022; 127:482-491. [PMID: 35793747 DOI: 10.1016/j.fsi.2022.06.071] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/30/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
The growth performance, immunological status, and intestinal microbiology of white shrimp, Litopenaeus vannamei, were evaluated after dietary administration of the commercial probiotic SYNSEA. Shrimp were fed a control diet (without probiotic supplement) and two levels of SYNSEA probiotic, a low concentration of SYNSEA (LSL) containing 105 CFU (g diet)-1Bacillus subtilis and 105 CFU (g diet)-1 lactic acid bacteria (LAB), and a high concentration of SYNSEA (LSH) containing 106 CFU (g diet)-1B. subtilis and 106 CFU (g diet)-1 LAB, for 12 weeks. Shrimp fed with the LSL diet significantly increased growth performance as well as final weight and feed efficiency compared to the control, but not the LSH diet. After being orally challenged with Vibrio parahaemolyticus, shrimp fed with LSL diet prior to the challenge or fed with LSL and pathogen simultaneously showed significantly lower mortality compared to the control. SYNSEA probiotic significantly improved shrimp immune response, including lysozyme activity in LSL and LSH groups, and phagocytic activity in the LSL group in comparison to the control. In addition, the gene expressions of anti-lipopolysaccharide factor 2 in LSL and LSH groups, and penaeidin 4 in LSL were also up-regulated. Although there was no significant difference among groups for hepatopancreas and intestinal morphology, the muscular layer thickness and villi height were slightly improved in the intestines of shrimp fed SYNSEA. The 16S rDNA gene amplicon sequence analysis using next-generation sequencing revealed a significant decrease in α-diversity (Margalef's species richness) after oral administration of SYNSEA due to an increase in the relative abundance of beneficial bacteria in the gut flora of shrimp, such as Lactobacillus, Shewanella, and Bradymonadales and a decrease in harmful bacteria, such as Vibrio, Candidatus_Berkiella, and Acinetobacter baumannii. Together the data suggest that the provision of SYNSEA probiotic at 105 CFU (g diet)-1B. subtilis and 105 CFU (g diet)-1 LAB can improve shrimp growth, enhance immunity, and disease resistance status of the host. In addition, these findings conclude that SYNSEA probiotic has great preventive and therapeutic potential for Vibrio infection in shrimp aquaculture.
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Affiliation(s)
- Jai-Wei Lee
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan
| | - Shieh-Tsung Chiu
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan
| | - Sz-Tsan Wang
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan
| | - Yi-Chu Liao
- Culture Collection & Research Institute, SYNBIO TECH INC., Kaohsiung, 821, Taiwan
| | - Hsiao-Tung Chang
- Culture Collection & Research Institute, SYNBIO TECH INC., Kaohsiung, 821, Taiwan
| | - Rolissa Ballantyne
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan
| | - Jin-Seng Lin
- Culture Collection & Research Institute, SYNBIO TECH INC., Kaohsiung, 821, Taiwan.
| | - Chun-Hung Liu
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan; Research Center for Animal Biologics, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan.
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49
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Wu YS, Chu YT, Chen YY, Chang CS, Lee BH, Nan FH. Effects of dietary Lactobacillus reuteri and Pediococcus acidilactici on the cultured water qualities, the growth and non-specific immune responses of Penaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2022; 127:176-186. [PMID: 35691536 DOI: 10.1016/j.fsi.2022.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
This study discussed the effects of two types of lactic acid bacteria, Lactobacillus reuteri (L. reuteri) and Pediococcus acidilactici (P. acidilactici), on the growth and nonspecific immunity of Penaeus vannamei (P. vannamei) and developed probiotic applications for shrimp cultivation. This study incorporated two types of lactic acid bacteria in shrimp feed through spraying. The shrimps were grouped according to the type and concentration of effective bacteria incorporated into their feed. This research was separated into 3 individual feeding treatment as control, L. reuteri (Lr groups) and P. acidilactici (Pa groups). The shrimp was feeding with 103, 105, and 107 cfu/feed (g) L. reuteri namely as Lr3, Lr5, and Lr7. The shrimp was feeding with 103, 105, and 107 cfu/feed (g) P. acidilactici were named Pa3, Pa5, and Pa7, respectively. Through 8 weeks of feeding, the results revealed that the use of shrimp feed incorporated with lactic acid bacteria did not cause negative effects on water quality. The testing items include ammonia-nitrogen concentration, nitrite-nitrogen concentration, and total vibrio count in the water. In addition, the lactic acid bacteria concentration in the water were in the range of 1.33 ± 0.58 × 101 to 9.77 ± 1.34 × 102 cfu/mL. Observations of the growth performance of the white shrimps after 8 weeks of feeding revealed that both bacteria were beneficial to shrimp growth. In particular, group Lr7 had the highest percentage weight gain (107.99 ± 3.92%), special growth rate (1.93 ± 0.07%), feed conversion ratio (3.34 ± 0.05), and survival rate (97.22 ± 4.81%). Furthermore, observations of the nonspecific immunity reactions of the white shrimps after 4 weeks of feeding indicated that on day 4, the total number of haemocyte in shrimps in groups Lr5, Lr7, Pa3, and Pa5 significantly increased. On days 1 and 4, the phenoloxidase activity and superoxide axion production rates of the Lr group and Ls group increased. This phenomenon was the most significant in group Lr7, and the effect continued until day 28. After day 7, the phagocytic rate of groups Lr5 and Lr7 significantly increased. In addition, Lr and Pa groups exhibited significant increases in the phagocytic index after days 4 and 14, respectively. This phenomenon was also the most significant in group Lr7.
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Affiliation(s)
- Yu-Sheng Wu
- Department of Aquaculture, National Pingtung University of Science and Technology, Taiwan
| | - Yu-Ting Chu
- Department of Forestry and Natural Resources, Purdue University, USA
| | - Yin-Yu Chen
- Department of Aquaculture, National Taiwan Ocean University, Taiwan
| | - Chao-Sheng Chang
- Department of Aquaculture, National Taiwan Ocean University, Taiwan
| | - Bao-Hong Lee
- Department of Horticulture, National Chia-Yi University, Taiwan
| | - Fan-Hua Nan
- Department of Aquaculture, National Taiwan Ocean University, Taiwan.
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50
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Knobloch S, Skírnisdóttir S, Dubois M, Kolypczuk L, Leroi F, Leeper A, Passerini D, Marteinsson VÞ. Impact of Putative Probiotics on Growth, Behavior, and the Gut Microbiome of Farmed Arctic Char (Salvelinus alpinus). Front Microbiol 2022; 13:912473. [PMID: 35928148 PMCID: PMC9343752 DOI: 10.3389/fmicb.2022.912473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Beneficial bacteria promise to promote the health and productivity of farmed fish species. However, the impact on host physiology is largely strain-dependent, and studies on Arctic char (Salvelinus alpinus), a commercially farmed salmonid species, are lacking. In this study, 10 candidate probiotic strains were subjected to in vitro assays, small-scale growth trials, and behavioral analysis with juvenile Arctic char to examine the impact of probiotic supplementation on fish growth, behavior and the gut microbiome. Most strains showed high tolerance to gastric juice and fish bile acid, as well as high auto-aggregation activity, which are important probiotic characteristics. However, they neither markedly altered the core gut microbiome, which was dominated by three bacterial species, nor detectably colonized the gut environment after the 4-week probiotic treatment. Despite a lack of long-term colonization, the presence of the bacterial strains showed either beneficial or detrimental effects on the host through growth rate enhancement or reduction, as well as changes in fish motility under confinement. This study offers insights into the effect of bacterial strains on a salmonid host and highlights three strains, Carnobacterium divergens V41, Pediococcus acidilactici ASG16, and Lactiplantibacillus plantarum ISCAR-07436, for future research into growth promotion of salmonid fish through probiotic supplementation.
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Affiliation(s)
| | | | | | | | | | - Alexandra Leeper
- Microbiology Research Group, Matís ohf., Reykjavík, Iceland
- Faculty of Biosciences, Department of Animal and Aquaculture Sciences, Norwegian University of Life Sciences, Ås, Norway
| | | | - Viggó Þ. Marteinsson
- Microbiology Research Group, Matís ohf., Reykjavík, Iceland
- Faculty of Food Science and Nutrition, University of Iceland, Reykjavik, Iceland
- *Correspondence: Viggó Þ. Marteinsson,
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