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El-Mansi AA, Rady AM, Ibrahim EH, ElBealy E. Cellular patterning and cyto-architectural organization of the skin of electric catfish (Malapterurus electricus, Siluriformes) with a particular emphasis on its ampullary electroreceptor. ZOOLOGY 2024; 163:126159. [PMID: 38471427 DOI: 10.1016/j.zool.2024.126159] [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: 04/29/2023] [Revised: 02/04/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024]
Abstract
The functional morphology of the skin of Malapteruridae is presumably evolved to cope with a diversified range of ambient physiological, environmental, and behavioral conditions. Herein, we firstly characterized the microstructures and intriguing patterning of the skin of twelve adult electric catfish (Malapterurus electricus, Malapteruridae) using histological, histochemical, immunofluorescent, and ELISA standard methodology. The skin comprises three sequentially-oriented layers: the epidermis, dermis, and hypodermis with a significantly increased thickness of the former. The epidermis contains four types of cells: the surface epithelial cells, mucous cells, granular cells, and club cells. We defined distinctive ampullary electroreceptors in the outer epidermis that possess flask-shaped sensory crypt containing electroreceptor cells together with vertical collagen rods. Dermis and hypodermis are composed of connective tissue; however, the former is much more coarse and dense with comparable reactivity for Masson-Goldner trichrome (MT). Placing our data in the context of the limited body of previous work, we showed subtle changes in the expression of mucin subunits together with cytoskeletal fractions of collagens, myosin, F-actin, keratins, and tubulins. Taken as a whole, our results convincingly showed that the skin of M. electricus shares some structural similarities to other Siluriformes, however, it has some functional modifications that are implicated in protection, defense, and foraging behavior.
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Affiliation(s)
- Ahmed A El-Mansi
- Biology Dept., Faculty of Science, King Khalid University, Abha, 61421, Saudi Arabia.
| | - Ahmed M Rady
- Biology Dept., Faculty of Science, King Saud University, Riyadh, Saudi Arabia
| | - Esam H Ibrahim
- Biology Dept., Faculty of Science, King Khalid University, Abha, 61421, Saudi Arabia
| | - Eman ElBealy
- Biology Dept., Faculty of Science, King Khalid University, Abha, 61421, Saudi Arabia
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2
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Wei X, Shi Y, Wang S, Liu H, Zhang Z, Yu L, Hua W, Cui D, Chen Y, Li X, Wang W. Mucous cell histopathology and label-free quantitative proteomic analysis of skin mucus in fat greenling (Hexagrammos otakii) infected with Vibrio harveyi. FISH & SHELLFISH IMMUNOLOGY 2024; 146:109398. [PMID: 38244822 DOI: 10.1016/j.fsi.2024.109398] [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: 12/13/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/22/2024]
Abstract
Hexagrammos otakii is favored by consumers and aquaculture practitioners because of its strong adaptability and fast growth. However, recently, frequent outbreaks of diseases in the breeding of H. otakii have led to significant economic losses, especially due to bacterial diseases, which limit the healthy breeding of H. otakii. As a luminescent Gram-negative bacterium, Vibrio harveyi is the main pathogenic bacteria of H. otakii. In this study, the histopathology and label-free quantitative proteomics analysis were performed to reveal the changes of skin mucus proteins in H. otakii after infection with V. harveyi. The histopathological changes in the skin of H. otakii showed that when the bacteria were injected into the epithelial cells, it caused an increase in the number of mucous cells and a certain degree of damage and deformation in skin. Moreover, the quantitative proteomics analysis revealed a total of 364 differentially expressed proteins (DEPs), and these DEPs were found to be involved in environmental information processing, metabolism, infectious diseases: bacteria, replication and repair. More importantly, the enrichment analysis of the DEPs revealed that these different proteins were mainly targeted immune-related pathways. After infection of bacteria, the host's immune ability will be weakened, causing V. harveyi to enter the organism more easily, resulting in increased mucus in H. otakii, which will eventually lead to a decline in its physical function. These results provided an insight into a series of physiological changes after the bacterial infection of fish at the proteomic level and basic data for further exploration of the potential mechanism of skin mucus. Taken together, the results indicated more opportunities for the future designs and discoveries of effective antibacterial vaccines and antibacterial drugs for H. otakii.
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Affiliation(s)
- Xiaoyan Wei
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Yanyan Shi
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Shuai Wang
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Hui Liu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Zheng Zhang
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Lina Yu
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Wenyuan Hua
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Dandan Cui
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Yan Chen
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China
| | - Xuejie Li
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China.
| | - Wei Wang
- Key Laboratory of Applied Biology and Aquaculture of Northern Fishes in Liaoning Province, Dalian Ocean University, Dalian, 116023, China.
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Ali S, Ullah W, Kamarulzaman AFS, Hassan M, Rauf M, Khattak MNK, Dawar FU. Proteomic profile of epidermal mucus from Labeo rohita reveals differentially abundant proteins after Aeromonas hydrophila infection. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2023; 5:100115. [PMID: 37771818 PMCID: PMC10523009 DOI: 10.1016/j.fsirep.2023.100115] [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: 05/22/2023] [Revised: 09/13/2023] [Accepted: 09/13/2023] [Indexed: 09/30/2023] Open
Abstract
We report the proteomic profile of Epidermal Mucus (EM) from Labeo rohita and identified the differentially abundant proteins (DAPs) against Aeromonas hydrophila infection through label-free liquid chromatography-mass spectrometry (LC-MS/MS). Using discovery-based proteomics, a total of 2039 proteins were quantified in nontreated group and 1,328 proteins in the treated group, of which 114 were identified as DAPs in both the groups. Of the 114 DAPs, 68 proteins were upregulated and 46 proteins were downregulated in the treated group compared to nontreated group. Functional annotations of these DAPs shows their association with metabolism, cellular process, molecular process, cytoskeletal, stress, and particularly immune system. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis and Fisher's exact test between the two groups shows that most of the proteins were immune-related, which were significantly associated with the proteasome, phagosome, and Salmonella infection pathways. Overall, this study shows a basic and primary way for further functional research of the involvement of vitellogenin 2, alpha-2-macroglobulin-like protein, toll-like receptors (TLR-13), calpain, keratin-like proteins, and heat shock proteins against bacterial infection. Nonetheless, this first-ever comprehensive report of a proteomic sketch of EM from L. rohita after A. hydrophila infection provides systematic protein information to broadly understand the biological role of fish EM against bacterial infection.
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Affiliation(s)
- Shandana Ali
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000 Khyber Pakhtunkhwa, Pakistan
| | - Waheed Ullah
- Department of Microbiology, Kohat University of Science and Technology Kohat, 26000 Khyber Pakhtunkhwa, Pakistan
| | | | - Maizom Hassan
- Institute of System Biology (INBIOSIS), Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Muhammad Rauf
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000 Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Nasir Khan Khattak
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Farman Ullah Dawar
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000 Khyber Pakhtunkhwa, Pakistan
- Laboratory of Marine Biotechnology, College of Oceanography, Hohai University, 1 Xikang Road, Nanjing, Jiangsu 210098, China
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4
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Ali S, Dawar FU, Ullah W, Hassan M, Ullah K, Zhao Z. Proteomic map of the differentially expressed proteins in the skin of Ctenopharyngodon idella against Aeromonas hydrophila infection. FISH AND SHELLFISH IMMUNOLOGY REPORTS 2023; 5:100122. [PMID: 38023345 PMCID: PMC10652109 DOI: 10.1016/j.fsirep.2023.100122] [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: 09/14/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
The skin mucus of fish is an important part of the innate immune system, which is poorly understood at the proteomic level. The study established a complete map of the proteins in the skin mucus of Ctenopharangdon idella (C. idella) and discussed the Differentially Expressed Proteins (DEPs) after Aeromonas hydrophila (A. hydrophila) infection. Using Label Free Liquid Chromatography-Mass Spectrometry (LC-MS/MS) analysis, a total of 126 proteins were identified as differentially expressed, 89 proteins of which were upregulated, and 37 proteins were downregulated. Functional annotations of DEPs showed that the upregulated proteins in the skin mucus of the treated group were mostly associated with complement system and cytoskeleton proteins, whereas downregulated proteins were associated with metabolism. The key upregulated immune proteins were transferrin variant C, lysozyme g, annexin A11, 26S proteasome non-ATPase regulatory subunit 8, hypothetical protein ROHU_000884, 60S ribosomal L7a, calpain-2 catalytic subunit-like protein, calpain-9-like protein, complement component C9, complement C3, cathepsin S, cathepsin Z, 14 kDa apolipo, heat shock protein and intelectin, whereas, leukocyte elastase inhibitor, annexin A11, C-factor-like protein, biotinidase isoform X1 and epidermal growth factor receptor substrate 15-like were the downregulated proteins. Moreover, we for the first-time report proteins such as coactosin, lamin-B2 and kelch 12, which were never reported in fish. Our study directly pointing out the possible immunological biomarkers in the skin mucus of C. idella after A. hydrophila treatment. Each of the protein we report in this study could be used as base to establish their mechanism of action during bacterial infection that may contribute to the strategies against bacterial prevention and control in fishes.
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Affiliation(s)
- Shandana Ali
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Farman Ullah Dawar
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
- Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization, College of Oceanography, Hohai University, 1 Xikang Road, Nanjing, Jiangsu,210098, China
| | - Waheed Ullah
- Department of Microbiology, Kohat University of Science and Technology Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Maizom Hassan
- Institute of System Biology (INBIOSIS), Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia
| | - Kalim Ullah
- Laboratory of Fisheries and Aquaculture, Department of Zoology, Kohat University of Science and Technology Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Zhe Zhao
- Jiangsu Province Engineering Research Center for Marine Bio-resources Sustainable Utilization, College of Oceanography, Hohai University, 1 Xikang Road, Nanjing, Jiangsu,210098, China
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Díaz-Puertas R, Adamek M, Mallavia R, Falco A. Fish Skin Mucus Extracts: An Underexplored Source of Antimicrobial Agents. Mar Drugs 2023; 21:350. [PMID: 37367675 DOI: 10.3390/md21060350] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/28/2023] Open
Abstract
The slow discovery of new antibiotics combined with the alarming emergence of antibiotic-resistant bacteria underscores the need for alternative treatments. In this regard, fish skin mucus has been demonstrated to contain a diverse array of bioactive molecules with antimicrobial properties, including peptides, proteins, and other metabolites. This review aims to provide an overview of the antimicrobial molecules found in fish skin mucus and its reported in vitro antimicrobial capacity against bacteria, fungi, and viruses. Additionally, the different methods of mucus extraction, which can be grouped as aqueous, organic, and acidic extractions, are presented. Finally, omic techniques (genomics, transcriptomics, proteomics, metabolomics, and multiomics) are described as key tools for the identification and isolation of new antimicrobial compounds. Overall, this study provides valuable insight into the potential of fish skin mucus as a promising source for the discovery of new antimicrobial agents.
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Affiliation(s)
- Rocío Díaz-Puertas
- Institute of Research, Development and Innovation in Healthcare Biotechnology in Elche (IDiBE), Miguel Hernández University, 03202 Elche, Spain
| | - Mikolaj Adamek
- Fish Disease Research Unit, Institute for Parasitology, University of Veterinary Medicine, 30559 Hannover, Germany
| | - Ricardo Mallavia
- Institute of Research, Development and Innovation in Healthcare Biotechnology in Elche (IDiBE), Miguel Hernández University, 03202 Elche, Spain
| | - Alberto Falco
- Institute of Research, Development and Innovation in Healthcare Biotechnology in Elche (IDiBE), Miguel Hernández University, 03202 Elche, Spain
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Albaladejo-Riad N, Espinosa-Ruiz C, Esteban MÁ, Lazado CC. Skin mucus metabolomics provides insights into the interplay between diet and wound in gilthead seabream (Sparus aurata). FISH & SHELLFISH IMMUNOLOGY 2023; 134:108590. [PMID: 36746227 DOI: 10.1016/j.fsi.2023.108590] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
The molecular processes underlying skin wound healing in several fish species have been elucidated in the last years, however, metabolomic insights are scarce. Here we report the skin mucus metabolome of wounded and non-wounded gilthead seabream (Sparus aurata) fed with silk fibroin microparticles, a functional additive considered to accelerate the wound healing process. The three experimental diets (commercial diet enriched with 0 mg (control), 50 mg or 100 mg of silk fibroin microparticles Kg-1) were administered for 30 days and thereafter, a skin wound was inflicted. Skin mucus was collected on day 30 of feeding and 7 days post-wounding and subjected to metabolomic analysis by Ultra Performance Liquid Chromatography coupled with a high-resolution quadrupole-orbitrap mass spectrometry. The most enriched metabolite class was amino acids and derivatives, followed by nucleotides, nucleosides and analogues and carbohydrates and their derivatives. Metabolomic profiles revealed that the diet had a more profound effect than wounding in skin mucus. Metabolic pathway analysis of significantly affected metabolites revealed perturbations in the aminoacyl t-RNA biosynthesis in the skin. In particular, skin wound resulted in a decreased methionine level in mucus. Further, silk fibroin supplementation increased methionine level in skin mucus, which correlated with several wound morphometric parameters that characterized the epithelial healing capacity in seabream. The results provided new insight into the physiological consequences of skin wounds and how these processes could be influenced by dietary manipulation.
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Affiliation(s)
- Nora Albaladejo-Riad
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology. Faculty of Biology, University of Murcia, 30100, Murcia, Spain.
| | - Cristóbal Espinosa-Ruiz
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology. Faculty of Biology, University of Murcia, 30100, Murcia, Spain
| | - María Ángeles Esteban
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology. Faculty of Biology, University of Murcia, 30100, Murcia, Spain
| | - Carlo C Lazado
- Nofima, The Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433, Ås, Norway
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7
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Zhao N, Jia L, Wang Q, Deng Q, Ru X, Zhu C, Zhang B. The feasibility of skin mucus replacing exosome as a pool for bacteria-infected markers development via comparative proteomic screening in teleost. FISH & SHELLFISH IMMUNOLOGY 2023; 132:108483. [PMID: 36509412 DOI: 10.1016/j.fsi.2022.108483] [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: 05/26/2022] [Revised: 10/08/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
In fish, skin mucus forms a protective barrier between the body surface and the external water environment, thus providing the most direct and intuitive clues to monitor the subject's health condition. To explore the impact of the Vibrio harveyi pathogen on teleost, the proteome of epidermal mucus from control and sick Cynoglossus semilaevis were screened through iTRAQ followed with LC-MS/MS. 1531 credible proteins were obtained relating to structural, metabolic and immunological functions. 335 different expressed proteins (DEPs) were identified, with 166 up-regulated and 169 down-regulated in MS. 62 proteins were characterized, including 22 up-regulated proteins and 40 down-regulated proteins. Integrated analysis of DE-miRNAs and DEPs from miRomics and proteomics were conducted to show the indirect regulatory relationship. Comparative analysis of DEPs between mucus and exosomes demonstrated that exosomes contributed the most DEPs of all mucus DEPs. 125 proteins are DEPs only in exosomes, which presented minor difference in total mucus. Expression of Aminopeptidase (anpep), Calcium-transporting ATPase, Histone H2B and H2A confirmed implied fine discriminative power with infected C. semilaevis, among which Calcium-transporting ATPase and H2B also appeared in list of exosomal markers. This study might shed the light on effective biomarker digging at other extended screening scenarios.
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Affiliation(s)
- Na Zhao
- College of Fisheries, Guangdong Ocean University, Zhanjiang, 524000, China; Southern Marine Science and Engineering Guangdong Laboratory-Zhanjiang, Zhanjiang, 524000, China
| | - Lei Jia
- Tianjin Fisheries Research Institute, Tianjin, China
| | - Qiumei Wang
- Southern Marine Science and Engineering Guangdong Laboratory-Zhanjiang, Zhanjiang, 524000, China
| | - Qiuxia Deng
- College of Fisheries, Guangdong Ocean University, Zhanjiang, 524000, China
| | - Xiaoying Ru
- Southern Marine Science and Engineering Guangdong Laboratory-Zhanjiang, Zhanjiang, 524000, China
| | - Chunhua Zhu
- College of Fisheries, Guangdong Ocean University, Zhanjiang, 524000, China
| | - Bo Zhang
- College of Fisheries, Guangdong Ocean University, Zhanjiang, 524000, China; Southern Marine Science and Engineering Guangdong Laboratory-Zhanjiang, Zhanjiang, 524000, China.
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Gilthead Seabream Liver Integrative Proteomics and Metabolomics Analysis Reveals Regulation by Different Prosurvival Pathways in the Metabolic Adaptation to Stress. Int J Mol Sci 2022; 23:ijms232315395. [PMID: 36499720 PMCID: PMC9741202 DOI: 10.3390/ijms232315395] [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: 10/14/2022] [Revised: 11/25/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
The study of the molecular mechanisms of stress appraisal on farmed fish is paramount to ensuring a sustainable aquaculture. Stress exposure can either culminate in the organism's adaptation or aggravate into a metabolic shutdown, characterized by irreversible cellular damage and deleterious effects on fish performance, welfare, and survival. Multiomics can improve our understanding of the complex stressed phenotype in fish and the molecular mediators that regulate the underlying processes of the molecular stress response. We profiled the stress proteome and metabolome of Sparus aurata responding to different challenges common to aquaculture production, characterizing the disturbed pathways in the fish liver, i.e., the central organ in mounting the stress response. Label-free shotgun proteomics and untargeted metabolomics analyses identified 1738 proteins and 120 metabolites, separately. Mass spectrometry data have been made fully accessible via ProteomeXchange, with the identifier PXD036392, and via MetaboLights, with the identifier MTBLS5940. Integrative multivariate statistical analysis, performed with data integration analysis for biomarker discovery using latent components (DIABLO), depicted the 10 most-relevant features. Functional analysis of these selected features revealed an intricate network of regulatory components, modulating different signaling pathways related to cellular stress, e.g., the mTORC1 pathway, the unfolded protein response, endocytosis, and autophagy to different extents according to the stress nature. These results shed light on the dynamics and extent of this species' metabolic reprogramming under chronic stress, supporting future studies on stress markers' discovery and fish welfare research.
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Leal E, Angotzi AR, Gregório SF, Ortiz-Delgado JB, Rotllant J, Fuentes J, Tafalla C, Cerdá-Reverter JM. Role of the melanocortin system in zebrafish skin physiology. FISH & SHELLFISH IMMUNOLOGY 2022; 130:591-601. [PMID: 36150411 DOI: 10.1016/j.fsi.2022.09.036] [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: 07/11/2022] [Revised: 09/09/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
The agouti-signaling protein (ASIP) acts as both a competitive antagonist and inverse agonist of melanocortin receptors which regulate dorsal-ventral pigmentation patterns in fish. However, the potential role of ASIP in the regulation of additional physiological pathways in the skin is unknown. The skin plays a crucial role in the immune function, acting as a physical limitation against infestation and also as a chemical barrier due to its ability to synthesize and secrete mucus and many immune effector proteins. In this study, the putative role of ASIP in regulating the immune system of skin has been explored using a transgenic zebrafish model overexpressing the asip1 gene (ASIPzf). Initially, the structural changes in skin induced by asip1 overexpression were studied, revealing that the ventral skin of ASIPzf was thinner than that of wild type (WT) animals. A moderate hypertrophy of mucous cells was also found in ASIPzf. Histochemical studies showed that transgenic animals appear to compensate for the lower number of cell layers by modifying the mucus composition and increasing lectin affinity and mucin content in order to maintain or improve protection against microorganism adhesion. ASIPzf also exhibit higher protein concentration under crowding conditions suggesting an increased mucus production under stressful conditions. Exposure to bacterial lipopolysaccharide (LPS) showed that ASIPzf exhibit a faster pro-inflammatory response and increased mucin expression yet severe skin injures and a slight increase in mortality was observed. Electrophysiological measurements show that the ASIP1 genotype exhibits reduced epithelial resistance, an indicator of reduced tissue integrity and barrier function. Overall, not only are ASIP1 animals more prone to infiltration and subsequent infections due to reduced skin epithelial integrity, but also display an increased inflammatory response that can lead to increased skin sensitivity to external infections.
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Affiliation(s)
- E Leal
- Department of Fish Physiology and Biotechnology, Institute of Aquiculture de Torre de la Sal, IATS-CSIC, 12595, Castellon, Spain.
| | - A R Angotzi
- Department of Fish Physiology and Biotechnology, Institute of Aquiculture de Torre de la Sal, IATS-CSIC, 12595, Castellon, Spain
| | - S F Gregório
- Centre of Marine Sciences (CCMar), Universidade do Algarve Campus de Gambelas, 8005-139, Faro, Portugal
| | - J B Ortiz-Delgado
- Instituto de Ciencias Marinas de Andalucía-ICMAN, CSIC Campus Universitario Río San Pedro, 11510, Puerto Real, Cádiz, Spain
| | - J Rotllant
- Instituto de Investigaciones Marinas (IIM), CSIC, 36208, Vigo, Spain
| | - J Fuentes
- Centre of Marine Sciences (CCMar), Universidade do Algarve Campus de Gambelas, 8005-139, Faro, Portugal
| | - C Tafalla
- Animal Health Research Center (CISA-INIA-CSIC), Valdeolmos, 28130, Madrid, Spain
| | - J M Cerdá-Reverter
- Department of Fish Physiology and Biotechnology, Institute of Aquiculture de Torre de la Sal, IATS-CSIC, 12595, Castellon, Spain.
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10
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Natnan ME, Mayalvanan Y, Jazamuddin FM, Aizat WM, Low CF, Goh HH, Azizan KA, Bunawan H, Baharum SN. Omics Strategies in Current Advancements of Infectious Fish Disease Management. BIOLOGY 2021; 10:1086. [PMID: 34827079 PMCID: PMC8614662 DOI: 10.3390/biology10111086] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 12/26/2022]
Abstract
Aquaculture is an important industry globally as it remains one of the significant alternatives of animal protein source supplies for humankind. Yet, the progression of this industry is being dampened by the increasing rate of fish mortality, mainly the outbreak of infectious diseases. Consequently, the regress in aquaculture ultimately results in the economy of multiple countries being affected due to the decline of product yields and marketability. By 2025, aquaculture is expected to contribute approximately 57% of fish consumption worldwide. Without a strategic approach to curb infectious diseases, the increasing demands of the aquaculture industry may not be sustainable and hence contributing to the over-fishing of wild fish. Recently, a new holistic approach that utilizes multi-omics platforms including transcriptomics, proteomics, and metabolomics is unraveling the intricate molecular mechanisms of host-pathogen interaction. This approach aims to provide a better understanding of how to improve the resistance of host species. However, no comprehensive review has been published on multi-omics strategies in deciphering fish disease etiology and molecular regulation. Most publications have only covered particular omics and no constructive reviews on various omics findings across fish species, particularly on their immune systems, have been described elsewhere. Our previous publication reviewed the integration of omics application for understanding the mechanism of fish immune response due to microbial infection. Hence, this review provides a thorough compilation of current advancements in omics strategies for fish disease management in the aquaculture industry. The discovery of biomarkers in various fish diseases and their potential advancement to complement the recent progress in combatting fish disease is also discussed in this review.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Syarul Nataqain Baharum
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, UKM, Bangi 43600, Selangor, Malaysia; (M.E.N.); (Y.M.); (F.M.J.); (W.M.A.); (C.-F.L.); (H.-H.G.); (K.A.A.); (H.B.)
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11
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Firmino JP, Fernández-Alacid L, Vallejos-Vidal E, Salomón R, Sanahuja I, Tort L, Ibarz A, Reyes-López FE, Gisbert E. Carvacrol, Thymol, and Garlic Essential Oil Promote Skin Innate Immunity in Gilthead Seabream ( Sparus aurata) Through the Multifactorial Modulation of the Secretory Pathway and Enhancement of Mucus Protective Capacity. Front Immunol 2021; 12:633621. [PMID: 33777020 PMCID: PMC7994269 DOI: 10.3389/fimmu.2021.633621] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/11/2021] [Indexed: 12/13/2022] Open
Abstract
One of the main targets for the use of phytogenics in aquafeeds is the mucosal tissues as they constitute a physical and biochemical shield against environmental and pathogenic threats, comprising elements from both the innate and acquired immunity. In the present study, the modulation of the skin transcriptional immune response, the bacterial growth capacity in skin mucus, and the overall health condition of gilthead seabream (Sparus aurata) juveniles fed a dietary supplementation of garlic essential oil, carvacrol, and thymol were assessed. The enrichment analysis of the skin transcriptional profile of fish fed the phytogenic-supplemented diet revealed the regulation of genes associated to cellular components involved in the secretory pathway, suggesting the stimulation, and recruitment of phagocytic cells. Genes recognized by their involvement in non-specific immune response were also identified in the analysis. The promotion of the secretion of non-specific immune molecules into the skin mucus was proposed to be involved in the in vitro decreased growth capacity of pathogenic bacteria in the mucus of fish fed the phytogenic-supplemented diet. Although the mucus antioxidant capacity was not affected by the phytogenics supplementation, the regulation of genes coding for oxidative stress enzymes suggested the reduction of the skin oxidative stress. Additionally, the decreased levels of cortisol in mucus indicated a reduction in the fish allostatic load due to the properties of the tested additive. Altogether, the dietary garlic, carvacrol, and thymol appear to promote the gilthead seabream skin innate immunity and the mucus protective capacity, decreasing its susceptibility to be colonized by pathogenic bacteria.
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Affiliation(s)
- Joana P Firmino
- IRTA, Centre de Sant Carles de la Ràpita (IRTA-SCR), Aquaculture Program, Sant Carles de la Ràpita, Spain.,TECNOVIT-FARMFAES, S.L. Pol. Ind. Les Sorts, Alforja, Spain.,Ph.D. Program in Aquaculture, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Laura Fernández-Alacid
- Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Eva Vallejos-Vidal
- Departamento de Biología, Facultad de Química y Biología, Centro de Biotecnología Acuícola, Universidad de Santiago de Chile, Santiago, Chile
| | - Ricardo Salomón
- IRTA, Centre de Sant Carles de la Ràpita (IRTA-SCR), Aquaculture Program, Sant Carles de la Ràpita, Spain.,Ph.D. Program in Aquaculture, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Ignasi Sanahuja
- Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Lluis Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Antoni Ibarz
- Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona, Spain
| | - Felipe E Reyes-López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain.,Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Santiago, Chile.,Consorcio Tecnológico de Sanidad Acuícola, Ictio Biotechnologies S.A., Santiago, Chile
| | - Enric Gisbert
- IRTA, Centre de Sant Carles de la Ràpita (IRTA-SCR), Aquaculture Program, Sant Carles de la Ràpita, Spain
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12
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Fernández-Montero Á, Torrecillas S, Montero D, Acosta F, Prieto-Álamo MJ, Abril N, Jurado J. Proteomic profile and protease activity in the skin mucus of greater amberjack (Seriola dumerili) infected with the ectoparasite Neobenedenia girellae - An immunological approach. FISH & SHELLFISH IMMUNOLOGY 2021; 110:100-115. [PMID: 33444738 DOI: 10.1016/j.fsi.2021.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 12/05/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Skin mucus is considered the first barrier against diseases in fish. The skin mucus protein profile of the greater amberjack (Seriola dumerili) and its changes due to experimental infection with Neobenedenia girellae were studied by combining 2-DE-MS/MS and gel-free LC-MS/MS proteomic approaches. The 2-DE results led to the identification of 69 and 55 proteins in noninfected and infected fish, respectively, and revealed that keratins were specifically cleaved in parasitized fish. Therefore, the skin mucus of the infected fish showed a higher protease activity due to, at least in part, an increase of metal-dependent protease and serine-type protease activities. Additionally, through a gel-free LC-MS/MS analysis, 1377 and 1251 different proteins were identified in the skin mucus of healthy and parasitized fish, respectively. The functional analysis of these proteins demonstrated a statistical overrepresentation of ribosomal proteins (a well-known source of antimicrobial peptides) in N. girellae-infected fish. In contrast, the components of membranes and protein transport GO categories were underrepresented after infection. Immune system process-related proteins constituted 2.5% of the total skin mucosal proteins. Among these skin mucosal proteins, 14 and 15 proteins exclusive to non-parasitized and parasitized fish were found, respectively, including specific serine-type proteases and metalloproteases in the parasitized fish. Moreover, the finding of tryptic peptides exclusive to some bacterial genera, obtained by gel-free LC-MS/MS, allowed us to construct a preliminary map of the microbiota living in the mucus of S. dumerili, with Pseudomonas and Paracoccus the most represented genera in both noninfected and infected fish.
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Affiliation(s)
- Álvaro Fernández-Montero
- Grupo de Investigación en Acuicultura (GIA), Instituto Universitario Ecoaqua, Universidad de Las Palmas de Gran Canaria, Crta. Taliarte S/n, 35214, Telde, Las Palmas, Islas Canarias, Spain
| | - Silvia Torrecillas
- Grupo de Investigación en Acuicultura (GIA), Instituto Universitario Ecoaqua, Universidad de Las Palmas de Gran Canaria, Crta. Taliarte S/n, 35214, Telde, Las Palmas, Islas Canarias, Spain
| | - Daniel Montero
- Grupo de Investigación en Acuicultura (GIA), Instituto Universitario Ecoaqua, Universidad de Las Palmas de Gran Canaria, Crta. Taliarte S/n, 35214, Telde, Las Palmas, Islas Canarias, Spain
| | - Felix Acosta
- Grupo de Investigación en Acuicultura (GIA), Instituto Universitario Ecoaqua, Universidad de Las Palmas de Gran Canaria, Crta. Taliarte S/n, 35214, Telde, Las Palmas, Islas Canarias, Spain
| | - María-José Prieto-Álamo
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain
| | - Nieves Abril
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain
| | - Juan Jurado
- Departamento de Bioquímica y Biología Molecular, Campus de Excelencia Internacional Agroalimentario CeiA3, Universidad de Córdoba, Campus de Rabanales, Edificio Severo Ochoa, E-14071, Córdoba, Spain.
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13
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Moreira M, Schrama D, Farinha AP, Cerqueira M, Raposo de Magalhães C, Carrilho R, Rodrigues P. Fish Pathology Research and Diagnosis in Aquaculture of Farmed Fish; a Proteomics Perspective. Animals (Basel) 2021; 11:E125. [PMID: 33430015 PMCID: PMC7827161 DOI: 10.3390/ani11010125] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 12/22/2022] Open
Abstract
One of the main constraints in aquaculture production is farmed fish vulnerability to diseases due to husbandry practices or external factors like pollution, climate changes, or even the alterations in the dynamic of product transactions in this industry. It is though important to better understand and characterize the intervenients in the process of a disease outbreak as these lead to huge economical losses in aquaculture industries. High-throughput technologies like proteomics can be an important characterization tool especially in pathogen identification and the virulence mechanisms related to host-pathogen interactions on disease research and diagnostics that will help to control, prevent, and treat diseases in farmed fish. Proteomics important role is also maximized by its holistic approach to understanding pathogenesis processes and fish responses to external factors like stress or temperature making it one of the most promising tools for fish pathology research.
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Affiliation(s)
- Márcio Moreira
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- IPMA—Portuguese Institute for the Sea and Atmosphere, EPPO—Aquaculture Research Station, Av. Parque Natural da Ria Formosa s/n, 8700-194 Olhão, Portugal
| | - Denise Schrama
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Ana Paula Farinha
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Marco Cerqueira
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
| | - Cláudia Raposo de Magalhães
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Raquel Carrilho
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Pedro Rodrigues
- CCMAR—Centre of Marine Sciences, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; (M.M.); (D.S.); (A.P.F.); (M.C.); (C.R.d.M.); (R.C.)
- University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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14
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Chieng CCY, Daud HM, Yusoff FM, Thompson KD, Abdullah M. Mucosal responses of brown-marbled grouper Epinephelus fuscoguttatus (Forsskål, 1775) following intraperitoneal infection with Vibrio harveyi. JOURNAL OF FISH DISEASES 2020; 43:1249-1258. [PMID: 32830331 DOI: 10.1111/jfd.13222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
Groupers are popular aquaculture species in South-East Asia, but their cultivation is affected by infectious disease outbreaks. Mucosa-associated lymphoid tissues provide a first-line defence against pathogens; however, few studies are available relating to cellular or proteomic responses of mucosal immunity in grouper. Skin, gill and intestine were sampled from brown-marbled grouper Epinephelus fuscoguttatus (Forsskål, 1775) at 4 and 96 hr post-infection (hpi) and 7 days post-infection (dpi) following intraperitoneal infection with Vibrio harveyi, and stained with haematoxylin/eosin and Alcian Blue/periodic acid-Schiff. Skin mucus was analysed by 2D-gel electrophoresis, and proteins modulated by the bacterial infection identified. In the infected fish, significant increases in sacciform cells in skin and increased levels of nucleoside diphosphate kinase in mucus were detected at 4 hpi. At 96 hpi, goblet cells containing acidic mucins significantly increased in the intestine, while those containing mixed mucins increased in skin and gills of infected fish. Proteasome subunit alpha type-I and extracellular Cu/Zn superoxide dismutase levels also increased in mucus. Rodlet and mast cells did not appear to respond to the infection. Mucosal tissues of grouper appeared actively involved in response to Vibrio infection. This information may help future research on improving grouper health, production and vaccine development.
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Affiliation(s)
- Catherine Cheng Yun Chieng
- Laboratory of Marine Biotechnology, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
| | - Hassan Mohd Daud
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Malaysia
| | - Fatimah Md Yusoff
- Laboratory of Marine Biotechnology, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
| | | | - Maha Abdullah
- Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
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15
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Han Z, Sun J, Wang A, Lv A, Hu X, Chen L, Guo Y. Differentially expressed proteins in the intestine of Cynoglossus semilaevis Günther following a Shewanella algae challenge. FISH & SHELLFISH IMMUNOLOGY 2020; 104:111-122. [PMID: 32525078 DOI: 10.1016/j.fsi.2020.06.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/31/2020] [Accepted: 06/06/2020] [Indexed: 06/11/2023]
Abstract
Fish intestine is an important constituent of the mucosal immune system. The gut and gut-associated lymphoid tissue construct a local immune environment. A Shewanella algae strain was previously reported to be a pathogen causing ascitic disease accompanied with intestinal inflammation in Cynoglossus semilaevis. This study aimed to investigate the intestine immune response in C. semilaevis to S. algae infection at the protein level. Two-dimensional electrophoresis coupled with mass spectrometry proteomics was utilized to compare protein expression in the intestines from normal and S. algae-infected C. semilaevis. A total of 70 differentially expressed proteins (DEPs), consisting of 16 upregulated and 54 downregulated proteins, were identified in the intestine tissue of C. Semilaevis. These protein expression changes were further validated using western blot analysis and quantitative real-time PCR. Gene ontology enrichment analysis showed that these 70 DEPs could be assigned across three categories: "cellular components", "molecular function", and "biological process". Forty-one DEPs (six up-regulated and 35 down-regulated proteins) related to metabolic processes were identified. In addition, 20 DEPs (eight up-regulated and 12 down-regulated proteins) related to stress and immune responses were identified. A protein-protein interaction network generated by the STRING (Search Tool for the Retrieval of Interacting Genes/protein) revealed that 30 DEPs interacted with one another to form an integrated network. Among them, 29 DEPs were related to stress, immune, and metabolism processes. In the network, some of the immune related proteins (C9, FGB, KNG1, apolipoprotein A-IV-like, and PDIA3) were up-regulated and most DEPs involved in metabolism processes were down-regulated. These results indicate that the immune defense response of the intestine was activated and the intestinal function associated with metabolism processes was disturbed. This study provides valuable information for further research into the functions of these DEPs in fish.
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Affiliation(s)
- Zhuoran Han
- Key Laboratory of Ecology and Environment Science of Higher Education Institutes, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China; Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
| | - Jingfeng Sun
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
| | - Anli Wang
- Key Laboratory of Ecology and Environment Science of Higher Education Institutes, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou, 510631, China.
| | - Aijun Lv
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
| | - Xiucai Hu
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
| | - Limei Chen
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
| | - Yongjun Guo
- Tianjin Key Laboratory of Aqua-ecology and Aquaculture, Fisheries College, Tianjin Agricultural University, Tianjin, 300384, China.
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16
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Escribano MP, Ramos-Pinto L, Fernández-Boo S, Afonso A, Costas B, Guardiola FA. Mucosal immune responses in Senegalese sole (Solea senegalensis) juveniles after Tenacibaculum maritimum challenge: A comparative study between ocular and blind sides. FISH & SHELLFISH IMMUNOLOGY 2020; 104:92-100. [PMID: 32492465 DOI: 10.1016/j.fsi.2020.05.080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/25/2020] [Accepted: 05/29/2020] [Indexed: 06/11/2023]
Abstract
Most pathogens start the process of infection at the mucosal surfaces and therefore the mucosal immune response plays an essential role in the course of the infection. Due to the Senegalese sole (Solea senegalensis Kaup) condition of flatfish, the present comparative study aimed to analyse several immune-related enzymes as well as the bactericidal activity in the skin mucus from ocular and blind sides. For this purpose, Senegalese sole juveniles were bath challenged with a sub-lethal dose of Tenacibaculum maritimum for 24 h and sampled at 1, 2 and 3 weeks. The haematological profile and immune-related parameters were also measured in plasma in order to evaluate the systemic immune response after T. maritimum challenge. Results from this study showed that most parameters tested increased in skin mucus of bath challenged fish compared to unchallenged ones. In contrast, the sub-lethal dose tested did not influence the haematological profile including peripheral numbers the different leucocyte types. No variations were observed in plasma lysozyme, peroxidase, protease and haemolytic complement activities between unchallenged and bath challenged fish. This study suggests that the studied innate immune-related molecules are constitutively present in both skin mucus sides but at different levels. Interestingly, the levels of most parameters measured were higher on the ocular side than on the blind side, possibly due to the higher exposure to invasion by waterborne microorganisms on this side. Therefore, the present study brings some insights regarding local immune responses after bacterial challenge in skin mucus from the ocular and blind sides in one of the most valuable flatfish species in southern Europe.
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Affiliation(s)
- M P Escribano
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS-UP), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - L Ramos-Pinto
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS-UP), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - S Fernández-Boo
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal
| | - A Afonso
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS-UP), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - B Costas
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS-UP), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.
| | - F A Guardiola
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal; Department of Cell Biology and Histology. Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.
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17
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Xiong Y, Dan C, Ren F, Su Z, Zhang Y, Mei J. Proteomic profiling of yellow catfish (Pelteobagrus fulvidraco) skin mucus identifies differentially-expressed proteins in response to Edwardsiella ictaluri infection. FISH & SHELLFISH IMMUNOLOGY 2020; 100:98-108. [PMID: 32142873 DOI: 10.1016/j.fsi.2020.02.059] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/14/2020] [Accepted: 02/27/2020] [Indexed: 06/10/2023]
Abstract
Fish mucus acts as a physiological and immunological barrier for maintaining normal fish physiology and conferring defense against pathogens infection. Here we report proteomic profiling of skin mucus of yellow catfish before and after E. ictaluri infection by Label-free LC-MS/MS approach. A total of 918 non-redundant proteins were identified from 54443 spectra referring to yellow catfish genome database. Further annotation via GO and KEGG database revealed complex protein composition of yellow catfish mucus. Besides structural proteins in mucus, a lot of immune-related proteins were retrieved, such as lectins, complement components, antibacterial peptides and immunoglobins. 133 differentially-expressed proteins (DEPs), including 76 up-regulated and 57 down-regulated proteins, were identified, most of which were enriched into 17 pathways centering on "immune system" category with 33 proteins involved. Consistently, significant proliferation of mucus-secreting goblet cells and CYPA-expressing cells were observed along outside of yellow catfish skin after E. ictaluri infection, indicating an enhanced immune response to E. ictaluri infection in yellow catfish skin mucus. The proteomic data provide systematic protein information to comprehensively understand the biological function of yellow catfish skin mucus in response to bacterial infection.
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Affiliation(s)
- Yang Xiong
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Cheng Dan
- State Key Laboratory of Freshwater Ecology and Biotechnology, Key Laboratory of Aquaculture Disease Control of Ministry of Agriculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China.
| | - Fan Ren
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
| | - ZiHao Su
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Yibing Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Key Laboratory of Aquaculture Disease Control of Ministry of Agriculture, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China.
| | - Jie Mei
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
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18
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Magnadóttir B, Uysal-Onganer P, Kraev I, Svansson V, Hayes P, Lange S. Deiminated proteins and extracellular vesicles - Novel serum biomarkers in whales and orca. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 34:100676. [PMID: 32114311 DOI: 10.1016/j.cbd.2020.100676] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/16/2020] [Accepted: 02/17/2020] [Indexed: 02/06/2023]
Abstract
Peptidylarginine deiminases (PADs) are a family of phylogenetically conserved calcium-dependent enzymes which cause post-translational protein deimination. This can result in neoepitope generation, affect gene regulation and allow for protein moonlighting via functional and structural changes in target proteins. Extracellular vesicles (EVs) carry cargo proteins and genetic material and are released from cells as part of cellular communication. EVs are found in most body fluids where they can be useful biomarkers for assessment of health status. Here, serum-derived EVs were profiled, and post-translationally deiminated proteins and EV-related microRNAs are described in 5 ceataceans: minke whale, fin whale, humpback whale, Cuvier's beaked whale and orca. EV-serum profiles were assessed by transmission electron microscopy and nanoparticle tracking analysis. EV profiles varied between the 5 species and were identified to contain deiminated proteins and selected key inflammatory and metabolic microRNAs. A range of proteins, critical for immune responses and metabolism were identified to be deiminated in cetacean sera, with some shared KEGG pathways of deiminated proteins relating to immunity and physiology, while some KEGG pathways were species-specific. This is the first study to characterise and profile EVs and to report deiminated proteins and putative effects of protein-protein interaction networks via such post-translationald deimination in cetaceans, revealing key immune and metabolic factors to undergo this post-translational modification. Deiminated proteins and EVs profiles may possibly be developed as new biomarkers for assessing health status of sea mammals.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Pinar Uysal-Onganer
- Cancer Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Igor Kraev
- Electron Microscopy Suite, Faculty of Science, Technology, Engineering and Mathematics, Open University, Milton Keynes MK7 6AA, UK.
| | - Vilhjálmur Svansson
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland
| | - Polly Hayes
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London W1W 6UW, UK.
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19
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Estruch G, Martínez-Llorens S, Tomás-Vidal A, Monge-Ortiz R, Jover-Cerdá M, Brown PB, Peñaranda DS. Impact of high dietary plant protein with or without marine ingredients in gut mucosa proteome of gilthead seabream (Sparus aurata, L.). J Proteomics 2020; 216:103672. [PMID: 32004726 DOI: 10.1016/j.jprot.2020.103672] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 12/23/2019] [Accepted: 01/26/2020] [Indexed: 02/08/2023]
Abstract
The digestive tract, particularly the intestine, represents one of the main sites of interactions with the environment, playing the gut mucosa a crucial role in the digestion and absorption of nutrients, and in the immune defence. Previous researches have proven that the fishmeal replacement by plant sources could have an impact on the intestinal status at both digestive and immune level, compromising relevant productive parameters, such as feed efficiency, growth or survival. In order to evaluate the long-term impact of total fishmeal replacement on intestinal mucosa, the gut mucosa proteome was analysed in fish fed with a fishmeal-based diet, against plant protein-based diets with or without alternative marine sources inclusion. Total fishmeal replacement without marine ingredients inclusion, reported a negative impact in growth and biometric parameters, further an altered gut mucosa proteome. However, the inclusion of a low percentage of marine ingredients in plant protein-based diets was able to maintain the growth, biometrics parameters and gut mucosa proteome with similar values to FM group. A total fishmeal replacement induced a big set of underrepresented proteins in relation to several biological processes such as intracellular transport, assembly of cellular macrocomplex, protein localization and protein catabolism, as well as several molecular functions, mainly related with binding to different molecules and the maintenance of the cytoskeleton structure. The set of downregulated proteins also included molecules which have a crucial role in the maintenance of the normal function of the enterocytes, and therefore, of the epithelium, including permeability, immune and inflammatory response regulation and nutritional absorption. Possibly, the amino acid imbalance presented in VM diet, in a long-term feeding, may be the main reason of these alterations, which can be prevented by the inclusion of 15% of alternative marine sources. SIGNIFICANCE: Long-term feeding with plant protein based diets may be considered as a stress factor and lead to a negative impact on digestive and immune system mechanisms at the gut, that can become apparent in a reduced fish performance. The need for fishmeal replacement by alternative ingredients such as plant sources to ensure the sustainability of the aquaculture sector has led the research assessing the intestinal status of fish to be of increasing importance. This scientific work provides further knowledge about the proteins and biologic processes altered in the gut in response to plant protein based diets, suggesting the loss of part of gut mucosa functionality. Nevertheless, the inclusion of alternative marine ingredients was able to reverse these negative effects, showing as a feasible option to develop sustainable aquafeeds.
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Affiliation(s)
- Guillem Estruch
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Silvia Martínez-Llorens
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Ana Tomás-Vidal
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Raquel Monge-Ortiz
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Miguel Jover-Cerdá
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Paul B Brown
- Department of Forestry and Natural Resources, Purdue University, 715 West State Street, 47907 West Lafayette, IN, USA
| | - David S Peñaranda
- Aquaculture and Biodiversity Research Group, Institute of Science and Animal Technology, (ICTA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
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20
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Chin YK, Ina-Salwany MY, Zamri-Saad M, Amal MNA, Mohamad A, Lee JY, Annas S, Al-Saari N. Effects of skin abrasion in immersion challenge with Vibrio harveyi in Asian seabass Lates calcarifer fingerlings. DISEASES OF AQUATIC ORGANISMS 2020; 137:167-173. [PMID: 31942862 DOI: 10.3354/dao03435] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Skin abrasions often occur in farmed fish following handling by labourers, injury by farm facilities, cannibalism and ectoparasites. Vibrio spp. are opportunistic pathogens that can invade host fish through damaged tissues and cause outbreaks of vibriosis. This study describes the effect of skin abrasions on the infectivity of V. harveyi using Asian seabass Lates calcarifer (Bloch, 1790) fingerlings as a case example and compares bacterial load and fish survival following immersion challenge with different doses. In total, 315 fish (6.67 ± 1.8 g) were divided into 3 treatments: skin abrasion followed by immersion infection, immersion infection only and an uninfected, uninjured control. Fish in the infection treatments were divided into 3 subgroups and exposed in triplicate to a 7 d immersion challenge with 106, 107 and 108 CFU ml-1 of live V. harveyi. No mortalities were observed in the control and immersion infection groups. However, fish in the skin abrasion treatment group that were infected with 108 CFU ml-1 of live V. harveyi showed signs of progressing disease throughout the experiment, which resulted in mortalities. Significantly higher bacterial loads (p < 0.05) were recorded in the intestine, liver and gills of the fish in this group. Fish in the skin abrasion treatment that were exposed to 107 and 108 CFU ml-1 of V. harveyi showed 100% mortality by Days 5 and 4, respectively. These findings confirm that skin injuries increase the susceptibility of seabass fingerlings to V. harveyi infection.
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Affiliation(s)
- Y K Chin
- Laboratory of Marine Biotechnology (MARSLAB), Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
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21
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Review on Immersion Vaccines for Fish: An Update 2019. Microorganisms 2019; 7:microorganisms7120627. [PMID: 31795391 PMCID: PMC6955699 DOI: 10.3390/microorganisms7120627] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 01/11/2023] Open
Abstract
Immersion vaccines are used for a variety of aquacultured fish to protect against infectious diseases caused by bacteria and viruses. During immersion vaccination the antigens are taken up by the skin, gills or gut and processed by the immune system, where the resulting response may lead to protection. The lack of classical secondary responses following repeated immersion vaccination may partly be explained by the limited uptake of antigens by immersion compared to injection. Administration of vaccines depends on the size of the fish. In most cases, immersion vaccination is inferior to injection vaccination with regard to achieved protection. However, injection is problematic in small fish, and fry as small as 0.5 gram may be immersion vaccinated when they are considered adaptively immunocompetent. Inactivated vaccines are, in many cases, weakly immunogenic, resulting in low protection after immersion vaccination. Therefore, during recent years, several studies have focused on different ways to augment the efficacy of these vaccines. Examples are booster vaccination, administration of immunostimulants/adjuvants, pretreatment with low frequency ultrasound, use of live attenuated and DNA vaccines, preincubation in hyperosmotic solutions, percutaneous application of a multiple puncture instrument and application of more suitable inactivation chemicals. Electrostatic coating with positively charged chitosan to obtain mucoadhesive vaccines and a more efficient delivery of inactivated vaccines has also been successful.
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22
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Coelho GR, Neto PP, Barbosa FC, Dos Santos RS, Brigatte P, Spencer PJ, Sampaio SC, D'Amélio F, Pimenta DC, Sciani JM. Biochemical and biological characterization of the Hypanus americanus mucus: A perspective on stingray immunity and toxins. FISH & SHELLFISH IMMUNOLOGY 2019; 93:832-840. [PMID: 31425832 DOI: 10.1016/j.fsi.2019.08.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/15/2019] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
Stingrays skin secretions are largely studied due to the human envenoming medical relevance of the sting puncture that evolves to inflammatory events, including necrosis. Such toxic effects can be correlated to the biochemical composition of the sting mucus, according to the literature. Fish skin plays important biological roles, such as the control of the osmotic pressure gradient, protection against mechanical forces and microorganism infections. The mucus, on the other hand, is a rich and complex fluid, acting on swimming, nutrition and the innate immune system. The elasmobranch's epidermis is a tissue composed mainly by mucus secretory cells, and marine stingrays have already been described to present secretory glands spread throughout the body. Little is known about the biochemical composition of the stingray mucus, but recent studies have corroborated the importance of mucus in the envenomation process. Aiming to assess the mucus composition, a new non-invasive mucus collection method was developed that focused on peptides and proteins, and biological assays were performed to analyze the toxic and immune activities of the Hypanus americanus mucus. Pathophysiological characterization showed the presence of peptidases on the mucus, as well as the induction of edema and leukocyte recruitment in mice. The fractionated mucus improved phagocytosis on macrophages and showed antimicrobial activity against T. rubrumç. neoformans and C. albicans in vitro. The proteomic analyses showed the presence of immune-related proteins like actin, histones, hemoglobin, and ribosomal proteins. This protein pattern is similar to those reported for other fish mucus and stingray venoms. This is the first report depicting the Hypanus stingray mucus composition, highlighting its biochemical composition and importance for the stingray immune system and the possible role on the envenomation process.
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Affiliation(s)
| | | | | | | | - Patrícia Brigatte
- Faculdade de Medicina, Universidade Cidade de São Paulo-UNICID, Brazil
| | | | | | | | | | - Juliana Mozer Sciani
- Laboratório de Bioquímica e Biofísica, Instituto Butantan, Brazil; Laboratório Multidisciplinar de Pesquisa, Universidade São Francisco, Brazil.
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23
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Magnadóttir B, Kraev I, Guðmundsdóttir S, Dodds AW, Lange S. Extracellular vesicles from cod (Gadus morhua L.) mucus contain innate immune factors and deiminated protein cargo. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 99:103397. [PMID: 31108150 DOI: 10.1016/j.dci.2019.103397] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 06/09/2023]
Abstract
Extracellular vesicles are released from cells and participate in cell communication via transfer of protein and genetic cargo derived from the parent cells. EVs play roles in normal physiology and immunity and are also linked to various pathological processes. Peptidylarginine deiminases (PADs) are phylogenetically conserved enzymes with physiological and pathophysiological roles. PADs cause post-translational protein deimination, resulting in structural and, in some cases, functional changes in target proteins and are also linked to EV biogenesis. This study describes for the first time EVs isolated from cod mucosa. Mucosal EVs were characterised by electron microscopy, nanoparticle tracking analysis and EV-specific surface markers. Cod mucosal EVs were found to carry PAD, complement component C3 and C-reactive proteins. C3 was found to be deiminated in both whole mucus and mucosal EVs, with some differences, and further 6 deiminated immune and cytoskeletal proteins were identified in EVs by LC-MS/MS analysis. As mucosal surfaces of teleost fish reflect human mucosal surfaces, these findings may provide useful insights into roles of EVs in mucosal immunity throughout phylogeny.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur V. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Igor Kraev
- School of Life, Health and Chemical Sciences, The Open University, Walton Hall, MK7 6AA, UK.
| | - Sigríður Guðmundsdóttir
- Institute for Experimental Pathology, University of Iceland, Keldur V. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Alister W Dodds
- MRC Immunochemistry Unit, Department of Biochemistry, University of Oxford, Oxford, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, Department of Biomedical Sciences, University of Westminster, London, W1W 6UW, UK.
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24
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Ahmed F, Kumar G, Soliman FM, Adly MA, Soliman HAM, El-Matbouli M, Saleh M. Proteomics for understanding pathogenesis, immune modulation and host pathogen interactions in aquaculture. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2019; 32:100625. [PMID: 31639560 DOI: 10.1016/j.cbd.2019.100625] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 09/06/2019] [Accepted: 09/09/2019] [Indexed: 12/13/2022]
Abstract
Proteomic analyses techniques are considered strong tools for identifying and quantifying the protein contents in different organisms, organs and secretions. In fish biotechnology, the proteomic analyses have been used for wide range of applications such as identification of immune related proteins during infections and stresses. The proteomic approach has a significant role in understanding pathogen surviving strategies, host defence responses and subsequently, the fish pathogen interactions. Proteomic analyses were employed to highlight the virulence related proteins secreted by the pathogens to invade the fish host's defence barriers and to monitor the kinetics of protein contents of different fish organs in response to infections. The immune related proteins of fish and the virulence related proteins of pathogens are up or down regulated according to their functions in defence or pathogenesis. Therefore, the proteomic analyses are useful in understanding the virulence mechanisms of microorganisms and the fish pathogen interactions thereby supporting the development of new effective therapies. In this review, we focus and summarise the recent proteomic profiling studies exploring pathogen virulence activities and fish immune responses to stressors and infections.
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Affiliation(s)
- Fatma Ahmed
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria; Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Gokhlesh Kumar
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
| | - Faiza M Soliman
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mohamed A Adly
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Hamdy A M Soliman
- Department of Zoology, Faculty of Science, Sohag University, Sohag, Egypt
| | - Mansour El-Matbouli
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
| | - Mona Saleh
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria.
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25
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Ozturk RC, Altinok I, Turgut S, Capkin E. Comparative susceptibilities and immune-related gene expressions of brown trout strains and their hybrids infected with Lactococcus garvieae and Yersinia ruckeri. FISH & SHELLFISH IMMUNOLOGY 2019; 91:264-274. [PMID: 31128294 DOI: 10.1016/j.fsi.2019.05.047] [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: 03/07/2019] [Revised: 05/13/2019] [Accepted: 05/22/2019] [Indexed: 06/09/2023]
Abstract
Brown trout are polymorphic salmonid species, and it is of importance to investigate whether hybridization affects disease resistance. In this study, susceptibility of brown trout (Salmo trutta Abant, Anatolian, Black Sea, and Caspius) strains and their hybrids to Lactococcus garvieae and Yersinia ruckeri as well as their immune-related gene expression profiles were studied. Results indicated that reciprocal hybridization did not affect disease resistance in brown trout strains. Purebred Black Sea strain of brown trout was the most resistant group against Y. ruckeri, followed by other Black Sea strain hybrids. On the other hand, purebred Anatolian strain was the most resistant group to L. garvieae, followed by other Anatolian strain hybrids. Expression pattern of target genes differed in families, but the overall gene expression was comparatively high in Y. ruckeri infected families. Upregulations were mainly significant at 7 and 28 d post infection while marginal regulations were observed 8 h after infection. Disease resistance status of strains was supported by high expression of immune-related genes such as major histocompatibility complex class I (MHC-I), immunoglobulin light chain (IgL), and antioxidant- and hemoglobin-related gene expression. Therefore, our findings suggest that Black Sea and Anatolian strains could be used to develop fish stock that are resistant for yersiniosis and lactocaccosis, respectively.
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Affiliation(s)
- Rafet C Ozturk
- Department of Fisheries Technology Engineering, Surmene Faculty of Marine Sciences, Karadeniz Technical University, 61530, Surmene, Trabzon, Turkey
| | - Ilhan Altinok
- Department of Fisheries Technology Engineering, Surmene Faculty of Marine Sciences, Karadeniz Technical University, 61530, Surmene, Trabzon, Turkey.
| | - Secil Turgut
- Department of Fisheries Technology Engineering, Surmene Faculty of Marine Sciences, Karadeniz Technical University, 61530, Surmene, Trabzon, Turkey
| | - Erol Capkin
- Department of Fisheries Technology Engineering, Surmene Faculty of Marine Sciences, Karadeniz Technical University, 61530, Surmene, Trabzon, Turkey
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26
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Elumalai P, Rubeena AS, Arockiaraj J, Wongpanya R, Cammarata M, Ringø E, Vaseeharan B. The Role of Lectins in Finfish: A Review. REVIEWS IN FISHERIES SCIENCE & AQUACULTURE 2019; 27:152-169. [DOI: 10.1080/23308249.2018.1520191] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2023]
Affiliation(s)
- Preetham Elumalai
- School of Processing Technology, Kerala University of Fisheries and Ocean Studies, Panangad, Kerala, India
| | - Abdul Salam Rubeena
- School of Ocean Science and Technology, Kerala University of Fisheries and Ocean Studies, Panangad, Kerala, India
| | - Jesu Arockiaraj
- SRM Research Institute, SRM Institute of Science and Technology (Formerly known as SRM University), Kattankulathur, Chennai, Tamil Nadu, India
| | - Ratree Wongpanya
- Department of Biochemistry, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Matteo Cammarata
- Marine Immunobiology Laboratory, Department of Earth and Marine Science, University of Palermo, Palermo, Italy
| | - Einar Ringø
- Norwegian College of Fishery Science, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Baskaralingam Vaseeharan
- Crustacean Molecular Biology and Genomics Division, Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Alagappa University, Karaikudi, Tamil Nadu, India
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27
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Liu HH, Sun Q, Jiang YT, Fan MH, Wang JX, Liao Z. In-depth proteomic analysis of Boleophthalmus pectinirostris skin mucus. J Proteomics 2019; 200:74-89. [PMID: 30922736 DOI: 10.1016/j.jprot.2019.03.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 03/16/2019] [Accepted: 03/20/2019] [Indexed: 01/12/2023]
Abstract
Fish skin mucus serves as the first line of defence against pathogens and external stressors. The mudskipper Boleophthalmus pectinirostris inhabits intertidal mudflats containing abundant and diverse microbial populations; thus, the skin and mucus of B. pectinirostris are very important for immune defence. However, the molecules involved in the immune response and mucus secretion in the skin of this fish are poorly understood. To explore the proteomic profile of the skin mucus and understand the molecular mechanisms underlying B. pectinirostris adaption to amphibious environments, the microstructure of B. pectinirostris skin was analysed, and a series of histochemical procedures were employed for mucous glycoprotein localization and characterization. In addition, the antibacterial activity of B. pectinirostris skin mucus was studied, and the transcriptome of the skin and in-depth proteome of the mucus were determined. These studies revealed the hierarchical structure of B. pectinirostris skin and different types of glycoproteins (GPs) in the dermal bulge (DB) of the B. pectinirostris skin epidermis. The mucus has a broad antimicrobial spectrum and significant effects on the bacterial morphology. Furthermore, 93,914 unigenes were sequenced from B. pectinirostris skin tissue, and a total of 559 proteins were identified from B. pectinirostris skin mucus. SIGNIFICANCE.
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Affiliation(s)
- Hong-Han Liu
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Qi Sun
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yu-Ting Jiang
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Mei-Hua Fan
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Jian-Xin Wang
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Zhi Liao
- Laboratory of Marine Biology Protein Engineering, Marine Science and Technical College, Zhejiang Ocean University, Zhoushan 316022, China.
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28
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Venkatakrishnan V, Padra JT, Sundh H, Sundell K, Jin C, Langeland M, Carlberg H, Vidakovic A, Lundh T, Karlsson NG, Lindén SK. Exploring the Arctic Charr Intestinal Glycome: Evidence of Increased N-Glycolylneuraminic Acid Levels and Changed Host-Pathogen Interactions in Response to Inflammation. J Proteome Res 2019; 18:1760-1773. [PMID: 30848132 DOI: 10.1021/acs.jproteome.8b00973] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Disease outbreaks are a limiting factor for the sustainable development of the aquaculture industry. The intestinal tract is covered by a mucus layer mainly comprised by highly glycosylated proteins called mucins. Mucins regulate pathogen adhesion, growth, and virulence, and the glycans are vital for these functions. We analyzed intestinal mucin O-glycans on mucins from control and full-fat extruded soy-bean-fed (known to cause enteritis) Arctic charr using liquid chromatography-tandem mass spectrometry. In total, 56 glycans were identified on Arctic charr intestinal mucins, with a high prevalence of core-5-type and sialylated O-glycans. Disialic-acid-epitope-containing structures including NeuAcα2,8NeuAc, NeuAc(Gc)α2,8NeuGc(Ac), and NeuGcα2,8NeuGc were the hallmark of Arctic charr intestinal mucin glycosylation. Arctic charr fed with soy bean meal diet had lower (i) number of structures detected, (ii) interindividual variation, and (iii) N-glycolylneuraminic-acid-containing glycans compared with control Arctic charr. Furthermore, Aeromonas salmonicida grew less in response to mucins from inflamed Arctic charr than from the control group. The Arctic charr glycan repertoire differed from that of Atlantic salmon. In conclusion, the loss of N-glycolylneuraminic acid may be a biomarker for inflammation in Arctic char, and inflammation-induced glycosylation changes affect host-pathogen interactions.
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Affiliation(s)
- Vignesh Venkatakrishnan
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Gothenburg 40530 , Sweden
| | - János T Padra
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Gothenburg 40530 , Sweden
| | - Henrik Sundh
- Department of Biological and Environmental Sciences , University of Gothenburg , Gothenburg 40530 , Sweden
| | - Kristina Sundell
- Department of Biological and Environmental Sciences , University of Gothenburg , Gothenburg 40530 , Sweden
| | - Chunsheng Jin
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Gothenburg 40530 , Sweden
| | - Markus Langeland
- Department of Animal Nutrition and Management , Swedish University of Agricultural Science , Uppsala 75007 , Sweden
| | - Hanna Carlberg
- Department of Wildlife, Fish, and Environmental Studies , Swedish University of Agricultural Science , Umeå 90736 , Sweden
| | - Aleksander Vidakovic
- Department of Animal Nutrition and Management , Swedish University of Agricultural Science , Uppsala 75007 , Sweden
| | - Torbjörn Lundh
- Department of Animal Nutrition and Management , Swedish University of Agricultural Science , Uppsala 75007 , Sweden
| | - Niclas G Karlsson
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Gothenburg 40530 , Sweden
| | - Sara K Lindén
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy , University of Gothenburg , Gothenburg 40530 , Sweden
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29
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Magnadóttir B, Bragason BT, Bricknell IR, Bowden T, Nicholas AP, Hristova M, Guðmundsdóttir S, Dodds AW, Lange S. Peptidylarginine deiminase and deiminated proteins are detected throughout early halibut ontogeny - Complement components C3 and C4 are post-translationally deiminated in halibut (Hippoglossus hippoglossus L.). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 92:1-19. [PMID: 30395876 DOI: 10.1016/j.dci.2018.10.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 10/30/2018] [Accepted: 10/30/2018] [Indexed: 06/08/2023]
Abstract
Post-translational protein deimination is mediated by peptidylarginine deiminases (PADs), which are calcium dependent enzymes conserved throughout phylogeny with physiological and pathophysiological roles. Protein deimination occurs via the conversion of protein arginine into citrulline, leading to structural and functional changes in target proteins. In a continuous series of early halibut development from 37 to 1050° d, PAD, total deiminated proteins and deiminated histone H3 showed variation in temporal and spatial detection in various organs including yolksac, muscle, skin, liver, brain, eye, spinal cord, chondrocytes, heart, intestines, kidney and pancreas throughout early ontogeny. For the first time in any species, deimination of complement components C3 and C4 is shown in halibut serum, indicating a novel mechanism of complement regulation in immune responses and homeostasis. Proteomic analysis of deiminated target proteins in halibut serum further identified complement components C5, C7, C8 C9 and C1 inhibitor, as well as various other immunogenic, metabolic, cytoskeletal and nuclear proteins. Post-translational deimination may facilitate protein moonlighting, an evolutionary conserved phenomenon, allowing one polypeptide chain to carry out various functions to meet functional requirements for diverse roles in immune defences and tissue remodelling.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Birkir Thor Bragason
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Ian R Bricknell
- Aquaculture Research Institute School of Marine Sciences, University of Maine, Orono, ME, USA.
| | - Timothy Bowden
- Aquaculture Research Institute School of Food & Agriculture, University of Maine, University of Maine, Orono, ME, USA.
| | - Anthony P Nicholas
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Mariya Hristova
- Perinatal Brain Protection and Repair Group, EGA Institute for Women's Health, University College London, London, WC1E 6HX, UK.
| | - Sigríður Guðmundsdóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Alister W Dodds
- MRC Immunochemistry Unit, Department of Biochemistry, University of Oxford, Oxford, UK.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, School of Life Sciences, University of Westminster, London, W1W 6UW, UK.
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Sanahuja I, Fernández-Alacid L, Sánchez-Nuño S, Ordóñez-Grande B, Ibarz A. Chronic Cold Stress Alters the Skin Mucus Interactome in a Temperate Fish Model. Front Physiol 2019; 9:1916. [PMID: 30687126 PMCID: PMC6336924 DOI: 10.3389/fphys.2018.01916] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 12/18/2018] [Indexed: 01/01/2023] Open
Abstract
Temperate fish are particularly sensitive to low temperatures, especially in the northern Mediterranean area, where the cold season decreases fish-farm production and affects fish health. Recent studies have suggested that the skin mucus participates in overall fish defense and welfare, and therefore propose it as a target for non-invasive studies of fish status. Here, we determine the mucus interactome of differentially expressed proteins in a temperate fish model, gilthead sea bream (Sparus aurata), after chronic exposure to low temperatures (7 weeks at 14°C). The differentially expressed proteins were obtained by 2D-PAGE of mucus soluble proteins and further assessed by STRING analyses of the functional interactome based on protein-protein interactions. Complementarily, we determined mucus metabolites, glucose, and protein, as well as enzymes involved in innate defense mechanisms, such as total protease and esterase. The cold mucus interactome revealed the presence of several subsets of proteins corresponding to Gene Ontology groups. "Response to stress" formed the central core of the cold interactome, with up-regulation of proteins, such as heat shock proteins (HSPs) and transferrin; and down-regulation of proteins with metabolic activity. In accordance with the low temperatures, all proteins clustered in the "Single-organism metabolic process" group were down-regulated in response to cold, evidencing depressed skin metabolism. An interactome subset of "Interspecies interaction between species" grouped together several up-regulated mucus proteins that participate in bacterial adhesion, colonization, and entry, such as HSP70, lectin-2, ribosomal proteins, and cytokeratin-8, septin, and plakins. Furthermore, cold mucus showed lower levels of soluble glucose and no adaptation response in total protease or esterase activity. Using zymography, we detected the up-regulation of metalloprotease-like activity, together with a number of fragments or cleaved keratin forms which may present antimicrobial activity. All these results evidence a partial loss of mucus functionality under chronic exposure to low temperatures which would affect fish welfare during the natural cold season under farm conditions.
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Affiliation(s)
| | | | | | | | - Antoni Ibarz
- Departament de Biologia Cel.lular, Fisiologia i Immunologia, Universitat de Barcelona, Barcelona, Spain
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Biochemical characterization of a native group III trypsin ZT from Atlantic cod (Gadus morhua). Int J Biol Macromol 2018; 125:847-855. [PMID: 30550824 PMCID: PMC7112495 DOI: 10.1016/j.ijbiomac.2018.12.099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 12/04/2018] [Accepted: 12/11/2018] [Indexed: 11/22/2022]
Abstract
Atlantic cod trypsin ZT is biochemically characterized for the first time in this report in comparison to a group I trypsin (cod trypsin I). To our knowledge, trypsin ZT is the first thoroughly characterized group III trypsin. A more detailed understanding of trypsin ZT biochemistry may give insight into its physiological role as well as its potential use within the biotechnology sector. Stability is an important factor when it comes to practical applications of enzymes. Compared to trypsin I, trypsin ZT shows differences in pH and heat stability, sensitivity to inhibitors and sub-site substrate specificity as shown by multiplex substrate profiling analysis. Based on the analysis, trypsin ZT cleaved at arginine and lysine as other trypsins. Furthermore, trypsin ZT is better than trypsin I in cleaving peptides containing several consecutive positively charged residues. Lysine- and arginine-rich amino acid sequences are frequently found in human viral proteins. Thus, trypsin ZT may be effective in inactivating human and fish viruses implying a possible role for the enzyme in the natural defence of Atlantic cod. The results from this study can lead to multiple practical applications of trypsin ZT.
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Guanhua Y, Wang C, Wang X, Ma R, Zheng H, Liu Q, Zhang Y, Ma Y, Wang Q. Complete genome sequence of the marine fish pathogen Vibrio anguillarum and genome-wide transposon mutagenesis analysis of genes essential for in vivo infection. Microbiol Res 2018; 216:97-107. [DOI: 10.1016/j.micres.2018.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/21/2018] [Accepted: 08/23/2018] [Indexed: 12/14/2022]
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Abstract
Fish mucus layers are the main surface of exchange between fish and the environment, and they possess important biological and ecological functions. Fish mucus research is increasing rapidly, along with the development of high-throughput techniques, which allow the simultaneous study of numerous genes and molecules, enabling a deeper understanding of the fish mucus composition and its functions. Fish mucus plays a major role against fish infections, and research has mostly focused on the study of fish mucus bioactive molecules (e.g., antimicrobial peptides and immune-related molecules) and associated microbiota due to their potential in aquaculture and human medicine. However, external fish mucus surfaces also play important roles in social relationships between conspecifics (fish shoaling, spawning synchronisation, suitable habitat finding, or alarm signals) and in interspecific interactions such as prey-predator relationships, parasite–host interactions, and symbiosis. This article reviews the biological and ecological roles of external (gills and skin) fish mucus, discussing its importance in fish protection against pathogens and in intra and interspecific interactions. We also discuss the advances that “omics” sciences are bringing into the fish mucus research and their importance in studying the fish mucus composition and functions.
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Magnadóttir B, Hayes P, Hristova M, Bragason BT, Nicholas AP, Dodds AW, Guðmundsdóttir S, Lange S. Post-translational protein deimination in cod (Gadus morhua L.) ontogeny novel roles in tissue remodelling and mucosal immune defences? DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 87:157-170. [PMID: 29908202 DOI: 10.1016/j.dci.2018.06.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 06/12/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Peptidylarginine deiminases (PADs) are calcium dependent enzymes with physiological and pathophysiological roles conserved throughout phylogeny. PADs promote post-translational deimination of protein arginine to citrulline, altering the structure and function of target proteins. Deiminated proteins were detected in the early developmental stages of cod from 11 days post fertilisation to 70 days post hatching. Deiminated proteins were present in mucosal surfaces and in liver, pancreas, spleen, gut, muscle, brain and eye during early cod larval development. Deiminated protein targets identified in skin mucosa included nuclear histones; cytoskeletal proteins such as tubulin and beta-actin; metabolic and immune related proteins such as galectin, mannan-binding lectin, toll-like receptor, kininogen, Beta2-microglobulin, aldehyde dehydrogenase, bloodthirsty and preproapolipoprotein A-I. Deiminated histone H3, a marker for anti-pathogenic neutrophil extracellular traps, was particularly elevated in mucosal tissues in immunostimulated cod larvae. PAD-mediated protein deimination may facilitate protein moonlighting, allowing the same protein to exhibit a range of biological functions, in tissue remodelling and mucosal immune defences in teleost ontogeny.
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Affiliation(s)
- Bergljót Magnadóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Polly Hayes
- Department of Biomedical Sciences, University of Westminster, London, W1W 6UW, UK.
| | - Mariya Hristova
- Perinatal Brain Protection and Repair Group, EGA Institute for Women's Health, University College London, WC1E 6HX, London, UK.
| | - Birkir Thor Bragason
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Anthony P Nicholas
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Alister W Dodds
- MRC Immunochemistry Unit, Department of Biochemistry, University of Oxford, Oxford, UK.
| | - Sigríður Guðmundsdóttir
- Institute for Experimental Pathology, University of Iceland, Keldur v. Vesturlandsveg, 112 Reykjavik, Iceland.
| | - Sigrun Lange
- Tissue Architecture and Regeneration Research Group, Department of Biomedical Sciences, University of Westminster, London, W1W 6UW, UK.
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Heimroth RD, Casadei E, Salinas I. Effects of Experimental Terrestrialization on the Skin Mucus Proteome of African Lungfish ( Protopterus dolloi). Front Immunol 2018; 9:1259. [PMID: 29915597 PMCID: PMC5994560 DOI: 10.3389/fimmu.2018.01259] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 05/18/2018] [Indexed: 11/13/2022] Open
Abstract
Animal mucosal barriers constantly interact with the external environment, and this interaction is markedly different in aquatic and terrestrial environments. Transitioning from water to land was a critical step in vertebrate evolution, but the immune adaptations that mucosal barriers such as the skin underwent during that process are essentially unknown. Vertebrate animals such as the African lungfish have a bimodal life, switching from freshwater to terrestrial habitats when environmental conditions are not favorable. African lungfish skin mucus secretions contribute to the terrestrialization process by forming a cocoon that surrounds and protects the lungfish body. The goal of this study was to characterize the skin mucus immunoproteome of African lungfish, Protopterus dolloi, before and during the induction phase of terrestrialization as well as the immunoproteome of the gill mucus during the terrestrialization induction phase. Using LC-MS/MS, we identified a total of 974 proteins using a lungfish Illumina RNA-seq database, 1,256 proteins from previously published lungfish sequence read archive and 880 proteins using a lungfish 454 RNA-seq database for annotation in the three samples analyzed (free-swimming skin mucus, terrestrialized skin mucus, and terrestrialized gill mucus). The terrestrialized skin mucus proteome was enriched in proteins with known antimicrobial functions such as histones and S100 proteins compared to free-swimming skin mucus. In support, gene ontology analyses showed that the terrestrialized skin mucus proteome has predicted functions in processes such as viral process, defense response to Gram-negative bacterium, and tumor necrosis factor-mediated signaling. Importantly, we observed a switch in immunoglobulin heavy chain secretion upon terrestrialization, with IgW1 long form (IgW1L) and IgM1 present in free-swimming skin mucus and IgW1L, IgM1, and IgM2 in terrestrialized skin mucus. Combined, these results indicate an increase in investment in the production of unique immune molecules in P. dolloi skin mucus in response to terrestrialization that likely better protects lungfish against external aggressors found in land.
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Affiliation(s)
| | | | - Irene Salinas
- Center for Evolutionary and Theoretical Immunology (CETI), Department of Biology, University of New Mexico, Albuquerque, NM, United States
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Quantitative shotgun proteomics distinguishes wound-healing biomarker signatures in common carp skin mucus in response to Ichthyophthirius multifiliis. Vet Res 2018; 49:37. [PMID: 29678203 PMCID: PMC5910588 DOI: 10.1186/s13567-018-0535-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/06/2018] [Indexed: 12/20/2022] Open
Abstract
Ichthyophthirius multifiliis is a ciliated protozoan parasite recognized as one of the most pathogenic diseases of wild and cultured freshwater fish. Fish skin mucus plays a significant role against invading pathogens. However, the protein-based modulation against infection with I. multifiliis, of host fish at this barrier is unknown. Thus, we investigated the skin mucus proteome of common carp using a shotgun proteomic approach at days 1 and 9 after I. multifiliis exposure. We identified 25 differentially expressed proteins in infected carp skin mucus. Upregulated proteins were mainly involved in metabolism, whereas downregulated proteins were mainly structural. This is the first proteomic analysis of infected common carp skin mucus, and it provides novel information about proteome alteration caused by I. multifiliis. Furthermore, we identified novel proteins with yet unknown function in common carp following penetrating injuries such as olfactomedin 4, lumican, dermatopontin, papilin and I cytoskeletal 18. This analysis, therefore, represents a key for the search for potential biomarkers, which can help in a better understanding and monitoring of interactions between carp and I. multifiliis. This proteomic study not only provides information on the protein-level pathways involved in fish-ciliate interactions but also could represent a complementary system for studying tissue repair.
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37
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Comparison of the organic matrix found in intestinal CaCO 3 precipitates produced by several marine teleost species. Comp Biochem Physiol A Mol Integr Physiol 2018; 221:15-23. [PMID: 29559254 DOI: 10.1016/j.cbpa.2018.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 03/11/2018] [Accepted: 03/13/2018] [Indexed: 11/24/2022]
Abstract
Marine bony fish poses the unique ability to hydrate from imbibed seawater. They accomplish this, in part, by the precipitation of inorganic carbonate mineral in their intestine, which lowers luminal osmotic pressure and allows for water uptake. It has recently been described that in the Gulf toadfish (Opsanus beta) this Ca(Mg)CO3 precipitation occurs under the regulation of an organic matrix. To date no investigations have aimed to determine if this phenomenon applies more generally to marine fish. Here, intestinally derived precipitates were collected from gray snapper (Lutjanus griseus), white grunt (Haemulon plumieri), European flounder (Platichthys flesus), as well as Gulf toadfish, and their matrices were extracted. The ability of these matrices to regulate CaCO3 production was determined using an in vitro calcification assay, which revealed that the matrix derived from each of the tested species increased precipitation at low concentrations, while inhibiting it at higher concentrations in full agreement with the earlier studies on toadfish. Matrix extracted from European flounder precipitates was then analyzed by mass spectrometry, leading to the identification of over 50 unique proteins. When the identities of these proteins were compared to previous investigation of toadfish precipitate matrix, nearly 35% were found to overlap between the flounder and toadfish analyses, suggesting conserved mechanisms of precipitation control. The effects of using different sodium hypochlorite (NaOCl) solutions during precipitate purification on the resulting organic matrix are also discussed.
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38
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Cordero H, Brinchmann MF, Cuesta A, Esteban MA. Chronic wounds alter the proteome profile in skin mucus of farmed gilthead seabream. BMC Genomics 2017; 18:939. [PMID: 29197330 PMCID: PMC5712093 DOI: 10.1186/s12864-017-4349-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 11/24/2017] [Indexed: 11/20/2022] Open
Abstract
Background Skin and its mucus are known to be the first barrier of defence against any external stressors. In fish, skin wounds frequently appear as a result of intensive culture and also some diseases have skin ulcers as external clinical signs. However, there is no information about the changes produced by the wounds in the mucosae. In the present paper, we have studied the alterations in the proteome map of skin mucus of gilthead seabream during healing of experimentally produced chronic wounds by 2-DE followed by LC-MS/MS. The corresponding gene expression changes of some identified skin proteins were also investigated through qPCR. Results Our study has successfully identified 21 differentially expressed proteins involved in immunity and stress processes as well as other metabolic and structural proteins and revealed, for the first time, that all are downregulated in the skin mucus of wounded seabream specimens. At transcript level, we found that four of nine markers (ighm, gst3, actb and krt1) were downregulated after causing the wounds while the rest of them remained unaltered in the wounded fish. Finally, ELISA analysis revealed that IgM levels were significantly lower in wounded fish compared to the control fish. Conclusions Our study revealed a decreased-expression at protein and for some transcripts at mRNA levels in wounded fish, which could affect the functionality of these molecules, and therefore, delay the wound healing process and increase the susceptibility to any infection after wounds in the skin of gilthead seabream.
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Affiliation(s)
- Héctor Cordero
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.,Department of Microbiology and Immunology, Rosalind Franklin University of Medicine and Science, North Chicago, IL, 60064, USA.,Faculty of Biosciences and Aquaculture, Nord University, 8049, Bodø, Norway
| | - Monica F Brinchmann
- Faculty of Biosciences and Aquaculture, Nord University, 8049, Bodø, Norway.
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - María A Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
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39
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Moreira M, Schrama D, Soares F, Wulff T, Pousão-Ferreira P, Rodrigues P. Physiological responses of reared sea bream (Sparus aurata Linnaeus, 1758) to an Amyloodinium ocellatum outbreak. JOURNAL OF FISH DISEASES 2017; 40:1545-1560. [PMID: 28449283 DOI: 10.1111/jfd.12623] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 06/07/2023]
Abstract
Amyloodiniosis represents a major bottleneck for semi-intensive aquaculture production in Southern Europe, causing extremely high mortalities. Amyloodinium ocellatum is a parasitic dinoflagellate that can infest almost all fish, crustacean and bivalves that live within its ecological range. Fish mortalities are usually attributed to anoxia, associated with serious gill hyperplasia, inflammation, haemorrhage and necrosis in heavy infestations; or with osmoregulatory impairment and secondary microbial infections due to severe epithelial damage in mild infestation. However, physiological information about the host responses to A. ocellatum infestation is scarce. In this work, we analysed the proteome of gilthead sea bream (Sparus aurata) plasma and relate it with haematological and immunological indicators, in order to enlighten the different physiological responses when exposed to an A. ocellatum outbreak. Using 2D-DIGE, immunological and haematological analysis and in response to the A. ocellatum contamination we have identified several proteins associated with acute-phase response, inflammation, lipid transport, homoeostasis, and osmoregulation, wound healing, neoplasia and iron transport. Overall, this preliminary study revealed that amyloodiniosis affects some fish functional pathways as revealed by the changes in the plasma proteome of S. aurata, and that the innate immunological system is not activated in the presence of the parasite.
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Affiliation(s)
- M Moreira
- IPMA - Portuguese Institute for the Ocean and Atmosphere, EPPO - Aquaculture Research Station, Olhão, Portugal
| | - D Schrama
- CCMAR - Centre of Marine Sciences, University of Algarve, Faro, Portugal
| | - F Soares
- IPMA - Portuguese Institute for the Ocean and Atmosphere, EPPO - Aquaculture Research Station, Olhão, Portugal
| | - T Wulff
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark
| | - P Pousão-Ferreira
- IPMA - Portuguese Institute for the Ocean and Atmosphere, EPPO - Aquaculture Research Station, Olhão, Portugal
| | - P Rodrigues
- CCMAR - Centre of Marine Sciences, University of Algarve, Faro, Portugal
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40
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Salinas I, Magadán S. Omics in fish mucosal immunity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 75:99-108. [PMID: 28235585 DOI: 10.1016/j.dci.2017.02.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 05/22/2023]
Abstract
The mucosal immune system of fish is a complex network of immune cells and molecules that are constantly surveilling the environment and protecting the host from infection. A number of "omics" tools are now available and utilized to understand the complexity of mucosal immune systems in non-traditional animal models. This review summarizes recent advances in the implementation of "omics" tools pertaining to the four mucosa-associated lymphoid tissues in teleosts. Genomics, transcriptomics, proteomics, and "omics" in microbiome research require interdisciplinary collaboration and careful experimental design. The data-rich datasets generated are proving really useful at discovering new innate immune players in fish mucosal secretions, identifying novel markers of specific mucosal immune responses, unraveling the diversity of the B and T cell repertoires and characterizing the diversity of the microbial communities present in teleost mucosal surfaces. Bioinformatics, data analysis and storage platforms should be developed to facilitate rapid processing of large datasets, especially when mammalian tools such as bioinformatics analysis software are not available in fishes.
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Affiliation(s)
- Irene Salinas
- Center for Evolutionary and Theoretical Immunology (CETI), Department of Biology, MSC03 2020, University of New Mexico, Albuquerque, NM 87131, USA
| | - Susana Magadán
- Center for Evolutionary and Theoretical Immunology (CETI), Department of Biology, MSC03 2020, University of New Mexico, Albuquerque, NM 87131, USA; Immunology Laboratory, Biomedical Research Center (CINBIO), University of Vigo, Campus Lagoas Marcosende, Vigo, Pontevedra 36310, Spain.
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41
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Rajan B, Patel DM, Kitani Y, Viswanath K, Brinchmann MF. Novel mannose binding natterin-like protein in the skin mucus of Atlantic cod (Gadus morhua). FISH & SHELLFISH IMMUNOLOGY 2017; 68:452-457. [PMID: 28743623 DOI: 10.1016/j.fsi.2017.07.039] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 06/29/2017] [Accepted: 07/21/2017] [Indexed: 06/07/2023]
Abstract
This study presents the first report of purification of natterin-like protein (Nlp) in a non-venomous fish. The peptide identities of purified cod Nlp were confirmed through LC-MSMS and matched to a cod expressed sequence tag (EST). A partial cod nlp nucleotide sequence was amplified and sequenced based on this EST. Multiple sequence alignment of cod Nlp showed considerable homology with other teleost Nlps and the presence of an N-terminal jacalin-like lectin domain coupled with a C-terminal toxin domain. nlp expression was higher in skin, head kidney, liver and spleen than in other tissues studied. Hemaggluttination of horse red blood cells by Nlp was calcium dependent and inhibited by mannose. A Vibrio anguillarum bath challenge however, did not alter the expression of cod nlp transcripts in the skin and gills. Further functional characterization is required to establish the significance of this unique protein in Atlantic cod and other teleosts.
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Affiliation(s)
- Binoy Rajan
- Faculty of Bioscience and Aquaculture, Nord University, 8049 Bodø, Norway
| | - Deepti M Patel
- Faculty of Bioscience and Aquaculture, Nord University, 8049 Bodø, Norway
| | - Yoichiro Kitani
- Faculty of Bioscience and Aquaculture, Nord University, 8049 Bodø, Norway
| | - Kiron Viswanath
- Faculty of Bioscience and Aquaculture, Nord University, 8049 Bodø, Norway
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42
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Brinchmann MF. Immune relevant molecules identified in the skin mucus of fish using -omics technologies. MOLECULAR BIOSYSTEMS 2017; 12:2056-63. [PMID: 27173837 DOI: 10.1039/c5mb00890e] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review will give an overview of immune relevant molecules in fish skin mucus. The skin of fish is continuously exposed to a water environment, and unlike that of terrestrial vertebrates, it is a mucosal surface with a thin epidermis of live cells covered by a mucus layer. The mucosa plays an important role in maintaining the homeostasis of the fish and preventing the entry of invading pathogens. This review provides an overview of proteins, RNA, DNA, lipids and carbohydrates found in the skin mucus of studied species. Proteins such as actin, histones, lectins, lysozyme, mucin, and transferrin have extracellular immune relevant functions. Complement complement molecules, heat shock molecules and superoxide dismutase present in mucus show differential expression during pathogen challenge in some species, but their functions in mucus, if any, need to be shown. RNA, DNA, lipids, carbohydrates and metabolites in mucus have been studied to a limited extent in fish, the current knowledge is summarized and knowledge gaps are pointed out.
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43
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Liu PF, Du Y, Meng L, Li X, Liu Y. Proteomic analysis in kidneys of Atlantic salmon infected with Aeromonas salmonicida by iTRAQ. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 72:140-153. [PMID: 28235584 DOI: 10.1016/j.dci.2017.02.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 02/18/2017] [Accepted: 02/18/2017] [Indexed: 06/06/2023]
Abstract
Aeromonas salmonicida is a major etiologic agent which induces furunculosis and is globally harmful in salmonid and turbot cultures, especially in Atlantic salmon (Salmo salar) farming. In order to improve knowledge of its poorly understood pathogenesis, we utilized high-throughput proteomics to display differentially expressed proteins in the kidney of Atlantic salmon challenged with high and low infection dose of A. salmonicida at 7 and 14 days. In quantitative proteomic assays, isobaric tags for relative and absolute quantitation (iTRAQ) combined with 2D LC-MS/MS is emerging as a powerful methodology in the search for disease-specific targets and biomarkers. In this study, 4009 distinct proteins (unused ≥ 1.3, which is a confidence ≥ 95%) were identified in three two-dimensional LC/MS/MS analyses. Then we chose 140 proteins (fold change ratio ≥ 1.5 and P < 0.01) combined with protein-protein interaction analysis to ultimately obtain 39 proteins in network which could be considered as potential biomarkers for Atlantic salmon immune responses. Nine significant differentially expressed proteins were consistent with those at the proteomic level used to validate genes at the transcriptomic level by qPCR. Collectively, these data was first reported using an iTRAQ approach to provide additional elements for consideration in the pathophysiology of A. salmonicida and pave the way to resolve the influence of this disease in Atlantic salmon.
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Affiliation(s)
- Peng-Fei Liu
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; University of Chinese Academy of Sciences, Beijing, 100039, China.
| | - Yishuai Du
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Lingjie Meng
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Xian Li
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Ying Liu
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China; Dalian Ocean University, Dalian, China.
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Wang L, Shao C, Xu W, Zhou Q, Wang N, Chen S. Proteome profiling reveals immune responses in Japanese flounder (Paralichthys olivaceus) infected with Edwardsiella tarda by iTRAQ analysis. FISH & SHELLFISH IMMUNOLOGY 2017; 66:325-333. [PMID: 28511951 DOI: 10.1016/j.fsi.2017.05.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 05/04/2017] [Accepted: 05/06/2017] [Indexed: 06/07/2023]
Abstract
The liver is an important organ for bacterial pathogen attack in fish. The differential proteomic response of the Japanese flounder liver to Edwardsiella tarda infection was examined using isobaric tags for relative and absolute quantitation (iTRAQ) labeling followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). A total of 3290 proteins were identified and classified into categories related to biological process (51.4%), molecular function (63.6%), and cellular component (57.7%). KEGG enrichment analysis indicated the complement and coagulation cascade pathways and the mineral absorption pathway were significantly enriched. Among the differentially expressed proteins, those involved in mediating complement cascade (e.g. complement component C7, C8, C9, complement factor H, complement factor Bf/C2) and mineral absorption (e.g. ferritin, STEAP-4) were most significantly upregulated during infection. Subsequently, five significantly upregulated (C4, C8beta, ferritin middle subunit, PRDX4-like and KRT18) and one significantly downregulated (transferrin) candidate immune proteins were validated by multiple reaction monitoring (MRM) assays. Furthermore, changes in expression of 15 proteins in the complement cascade and mineral absorption pathways were validated at the transcriptional level using quantitative real-time PCR (qPCR). The transcriptional levels of four transcription factors (p21Ras, Rab-31-like, NF-κB, STAT3) were also investigated by qPCR following infection with E. tarda. This study contributes to understanding the defense mechanisms of the liver in fish.
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Affiliation(s)
- Lei Wang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Changwei Shao
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Wenteng Xu
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Qian Zhou
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Na Wang
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Songlin Chen
- Key Laboratory for Sustainable Development of Marine Fisheries, Ministry of Agriculture, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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Pérez-Sánchez J, Terova G, Simó-Mirabet P, Rimoldi S, Folkedal O, Calduch-Giner JA, Olsen RE, Sitjà-Bobadilla A. Skin Mucus of Gilthead Sea Bream ( Sparus aurata L.). Protein Mapping and Regulation in Chronically Stressed Fish. Front Physiol 2017; 8:34. [PMID: 28210224 PMCID: PMC5288811 DOI: 10.3389/fphys.2017.00034] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 01/13/2017] [Indexed: 12/21/2022] Open
Abstract
The skin mucus of gilthead sea bream was mapped by one-dimensional gel electrophoresis followed by liquid chromatography coupled to high resolution mass spectrometry using a quadrupole time-of-flight mass analyzer. More than 2,000 proteins were identified with a protein score filter of 30. The identified proteins were represented in 418 canonical pathways of the Ingenuity Pathway software. After filtering by canonical pathway overlapping, the retained proteins were clustered in three groups. The mitochondrial cluster contained 59 proteins related to oxidative phosphorylation and mitochondrial dysfunction. The second cluster contained 79 proteins related to antigen presentation and protein ubiquitination pathways. The third cluster contained 257 proteins where proteins related to protein synthesis, cellular assembly, and epithelial integrity were over-represented. The latter group also included acute phase response signaling. In parallel, two-dimensional gel electrophoresis methodology identified six proteins spots of different protein abundance when comparing unstressed fish with chronically stressed fish in an experimental model that mimicked daily farming activities. The major changes were associated with a higher abundance of cytokeratin 8 in the skin mucus proteome of stressed fish, which was confirmed by immunoblotting. Thus, the increased abundance of markers of skin epithelial turnover results in a promising indicator of chronic stress in fish.
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Affiliation(s)
- Jaume Pérez-Sánchez
- Nutrigenomics and Fish Growth Endocrinology Group, Biology, Culture and Pathology of Marine Species, Institute of Aquaculture Torre de la Sal (IATS-CSIC) Castellón, Spain
| | - Genciana Terova
- Department of Biotechnology and Life Sciences, University of InsubriaVarese, Italy; Inter-University Centre for Research in Protein Biotechnologies "The Protein Factory" Polytechnic University of Milan and University of InsubriaVarese, Italy
| | - Paula Simó-Mirabet
- Nutrigenomics and Fish Growth Endocrinology Group, Biology, Culture and Pathology of Marine Species, Institute of Aquaculture Torre de la Sal (IATS-CSIC) Castellón, Spain
| | - Simona Rimoldi
- Department of Biotechnology and Life Sciences, University of Insubria Varese, Italy
| | - Ole Folkedal
- Institute of Marine Research Matre Matredal, Norway
| | - Josep A Calduch-Giner
- Nutrigenomics and Fish Growth Endocrinology Group, Biology, Culture and Pathology of Marine Species, Institute of Aquaculture Torre de la Sal (IATS-CSIC) Castellón, Spain
| | - Rolf E Olsen
- Institute of Marine Research MatreMatredal, Norway; Department of Biology, Norwegian University for Science and TechnologyTrondheim, Norway
| | - Ariadna Sitjà-Bobadilla
- Fish Pathology Group Group, Biology, Culture and Pathology of Marine Species, Institute of Aquaculture Torre de la Sal (IATS-CSIC) Castellón, Spain
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46
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Patel DM, Brinchmann MF. Skin mucus proteins of lumpsucker ( Cyclopterus lumpus). Biochem Biophys Rep 2017; 9:217-225. [PMID: 28956008 PMCID: PMC5614610 DOI: 10.1016/j.bbrep.2016.12.016] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 12/20/2016] [Indexed: 12/17/2022] Open
Abstract
Fish skin mucus serves as a first line of defense against pathogens and external stressors. In this study the proteomic profile of lumpsucker skin mucus was characterized using 2D gels coupled with tandem mass spectrometry. Mucosal proteins were identified by homology searches across the databases SwissProt, NCBInr and vertebrate EST. The identified proteins were clustered into ten groups based on their gene ontology biological process in PANTHER (www.patherdb.org). Calmodulin, cystatin-B, histone H2B, peroxiredoxin1, apolipoprotein A1, natterin-2, 14-3-3 protein, alfa enolase, pentraxin, warm temperature acclimation 65 kDa (WAP65kDa) and heat shock proteins were identified. Several of the proteins are known to be involved in immune and/or stress responses. Proteomic profile established in this study could be a benchmark for differential proteomics studies. A proteome reference map of lumpsucker skin mucus was established. Proteins involved in immune and stress responses were identified in skin mucus of Cyclopterus lumpus. Mucosal proteins identified could be potential biomarkers.
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Hoseinifar SH, Zoheiri F, Lazado CC. Dietary phytoimmunostimulant Persian hogweed (Heracleum persicum) has more remarkable impacts on skin mucus than on serum in common carp (Cyprinus carpio). FISH & SHELLFISH IMMUNOLOGY 2016; 59:77-82. [PMID: 27751916 DOI: 10.1016/j.fsi.2016.10.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 10/07/2016] [Accepted: 10/13/2016] [Indexed: 06/06/2023]
Abstract
Immunostimulation through the use of sustainable and eco-friendly dietary additives is one of the current prophylactic strategies in fish husbandry. Plant-based immunostimulants are highly considered for this intent, both for their scientific and practical advantages. Persian hogweed (Heracleum persicum) is a flower-bearing herb that possesses interesting pharmacological importance due to its bioactive compounds. It is commonly used as spice, food additive, dietary supplement and traditional remedy. The present study evaluated the potential of H. persicum as a dietary phytoimmunostimulant in common carp (Cyprinus carpio). The powder form of H. persicum was incorporated in the basal diet at three different inclusion levels: 2.5, 5 and 10 g kg-1. The basal diet (0 g kg-1 of H. persicum) served as control. Experimental diets were administered to the fish for a period of 8 weeks. At the termination of the feeding experiment, impacts on fish immunity and performance were evaluated. Inclusion of H. persicum in the diet significantly elevated several immunological factors such as immunoglobulins, lysozyme, protease and alternative complement activities in carp. Interestingly, the changes were more pronounced in the skin mucus than in the serum. Performance was significantly improved in the fish groups that received the candidate phytoimmunostimulant. Specifically, final weight, weight gain, specific growth rate and feed conversion ratio were significantly improved in the fish that received dietary H. persicum at inclusion levels 5 g kg-1 and higher. This study demonstrated the potential of Persian hogweed as a candidate dietary phytoimmunostimulant in carp, impacting mainly the skin mucosal defenses. The study supports the current trend in the exploration of sustainable plant-based dietary supplements that are capable of boosting the immunological defenses of farmed fish.
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Affiliation(s)
- Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Fazel Zoheiri
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Carlo C Lazado
- Technical University of Denmark, DTU Aqua, Section for Aquaculture, The North Sea Research Centre, DK-9850, Hirtshals, Denmark.
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Provan F, Nilsen MM, Larssen E, Uleberg KE, Sydnes MO, Lyng E, Øysæd KB, Baussant T. An evaluation of coral lophelia pertusa mucus as an analytical matrix for environmental monitoring: A preliminary proteomic study. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2016; 79:647-657. [PMID: 27484144 DOI: 10.1080/15287394.2016.1210494] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
For the environmental monitoring of coral, mucus appears to be an appropriate biological matrix due to its array of functions in coral biology and the non-intrusive manner in which it can be collected. The aim of the present study was to evaluate the feasibility of using mucus of the stony coral Lophelia pertusa (L. pertusa) as an analytical matrix for discovery of biomarkers used for environmental monitoring. More specifically, to assess whether a mass-spectrometry-based proteomic approach can be applied to characterize the protein composition of coral mucus and changes related to petroleum discharges at the seafloor. Surface-enhanced laser desorption/ionization-time of flight mass spectrometry (SELDI-TOF MS) screening analyses of orange and white L. pertusa showed that the mucosal protein composition varies significantly with color phenotype, a pattern not reported prior to this study. Hence, to reduce variability from phenotype difference, L. pertusa white individuals only were selected to characterize in more detail the basal protein composition in mucus using liquid chromatography, mass spectrometry, mass spectrometry (LC-MS/MS). In total, 297 proteins were identified in L. pertusa mucus of unexposed coral individuals. Individuals exposed to drill cuttings in the range 2 to 12 mg/L showed modifications in coral mucus protein composition compared to unexposed corals. Although the results were somewhat inconsistent between individuals and require further validation in both the lab and the field, this study demonstrated preliminary encouraging results for discovery of protein markers in coral mucus that might provide more comprehensive insight into potential consequences attributed to anthropogenic stressors and may be used in future monitoring of coral health.
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Affiliation(s)
- Fiona Provan
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Mari Mæland Nilsen
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Eivind Larssen
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Kai-Erik Uleberg
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Magne O Sydnes
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
- b Faculty of Science and Technology, Department of Mathematics and Natural Science , University of Stavanger , Stavanger , Norway
| | - Emily Lyng
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Kjell Birger Øysæd
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
| | - Thierry Baussant
- a International Research Institute of Stavanger (IRIS), Biomiljø , Randaberg , Norway
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49
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Differential proteome profile of skin mucus of gilthead seabream (Sparus aurata) after probiotic intake and/or overcrowding stress. J Proteomics 2015; 132:41-50. [PMID: 26617323 DOI: 10.1016/j.jprot.2015.11.017] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 11/11/2015] [Accepted: 11/16/2015] [Indexed: 12/20/2022]
Abstract
UNLABELLED Gilthead seabream (Sparus aurata L.) is the major cultured fish species in the Mediterranean area. High density stocking causes stress and increases the impact of diseases leading to economic losses. Probiotics could represent a solution to prevent diseases through several mechanisms such as improving the immune status and/or mucosal microbiota or competing with pathogens. The probiotic Shewanella putrefaciens, also known as Pdp11, was firstly isolated from the skin of healthy gilthead seabream. Our study focuses on the skin mucus proteome after dietary probiotic Pdp11 intake in fish maintained under normal or overcrowding conditions. 2-DE of skin mucus followed by LC-MS/MS analysis was done for each experimental group and differentially expressed proteins were identified. The results showed differentially expressed proteins especially involved in immune processes, such as lysozyme, complement C3, natural killer cell enhancing factor and nonspecific cytotoxic cell receptor protein 1, whose transcript profiles were studied by qPCR. A consistency between lysozyme protein levels in the mucus and lysozyme mRNA levels in skin was found. Further research is necessary to unravel the implications of skin mucosal immunity on fish welfare and disease. BIOLOGICAL SIGNIFICANCE The present work reveals the proteomic changes, which are taking place in the skin mucus of stressed and non-stressed gilthead seabream after Pdp11 probiotic intake. The study contributes to improving the knowledge on skin mucosal immunology of this relevant farmed fish species. Furthermore, the paper shows for the first time how a suitable proteomic methodology, in this case 2-DE followed by LC-MS/MS is useful to perform a comparative study with a non-invasive technique of skin mucus of gilthead seabream.
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50
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Cordero H, Brinchmann MF, Cuesta A, Meseguer J, Esteban MA. Skin mucus proteome map of European sea bass (Dicentrarchus labrax). Proteomics 2015; 15:4007-20. [PMID: 26376207 DOI: 10.1002/pmic.201500120] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 08/07/2015] [Accepted: 09/01/2015] [Indexed: 12/23/2022]
Abstract
Skin mucus is the first barrier of fish defence. Proteins from skin mucus of European sea bass (Dicentrarchus labrax) were identified by 2DE followed by LC-MS/MS. From all the identified proteins in the proteome map, we focus on the proteins associated with several immune pathways in fish. Furthermore, the real-time PCR transcript levels in skin are shown. Proteins found include apolipoprotein A1, calmodulin, complement C3, fucose-binding lectin, lysozyme and several caspases. To our knowledge, this is the first skin mucus proteome study and further transcriptional profiling of the identified proteins done on this bony fish species. This not only contributes knowledge on the routes involved in mucosal innate immunity, but also establishes a non-invasive technique based on locating immune markers with a potential use for prevention and/or diagnosis of fish diseases.
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Affiliation(s)
- Héctor Cordero
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, Murcia, Spain
- Faculty of Biosciences and Aquaculture, University of Nordland, Bodø, Norway
| | - Monica F Brinchmann
- Faculty of Biosciences and Aquaculture, University of Nordland, Bodø, Norway
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, Murcia, Spain
| | - José Meseguer
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, Murcia, Spain
| | - María A Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, Murcia, Spain
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