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Sakakibara M, Aoki R, Masuma S, Nakamura O, Shirakashi S, Tsutsui S. Comparison of skin mucus lectins among longtooth grouper Epinephelus bruneus and giant grouper E. lanceolatus as well as the hybrid, Kue-Tama, and their binding abilities to the skin fluke Benedeniaepinepheli. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 152:105113. [PMID: 38086469 DOI: 10.1016/j.dci.2023.105113] [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: 10/24/2023] [Revised: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 01/08/2024]
Abstract
Interspecific hybrids of farm-raised fish are becoming popular in aquaculture owing to their advantages over pure species, including improved growth and higher resistance to infectious diseases. Kue-Tama is a recently established hybrid grouper derived from the longtooth grouper Epinephelus bruneus (♀) × giant grouper E. lanceolatus (♂). In our previous study, this hybrid showed significantly higher resistance against the skin fluke Benedenia epinepheli, a problematic parasite in grouper farming, than the longtooth grouper. In the present study, we explored lectins in the skin mucus of hybrids and their parent species. While C-type lectins of approximately 15 kDa were obtained from longtooth groupers, additional C-type lectins with molecular masses of approximately 20 and 30 kDa, as well as 45-kDa F-type lectin, were also detected in Kue-Tama and giant groupers. Semi-quantitative reverse transcript-polymerase chain reaction (RT-PCR) demonstrated that the gene expression levels of both C-type and F-type lectins were significantly higher in the skin of the hybrid and giant groupers than that of the longtooth grouper. In addition, some skin mucus lectins of the hybrid and giant groupers were bound to the fluke, suggesting that these lectins conferred resistance to parasitic infections.
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Affiliation(s)
- Mai Sakakibara
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Ryuichiro Aoki
- Aquaculture Research Institute Amami Station, Kindai University, 137 Amami, Kagoshima, 894-1853, Japan
| | - Shukei Masuma
- Aquaculture Research Institute Shirahama Station, Kindai University, 3153 Shirahama, Nishimuro, Wakayama, 649-2211, Japan
| | - Osamu Nakamura
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Sho Shirakashi
- Aquaculture Research Institute Shirahama Station, Kindai University, 3153 Shirahama, Nishimuro, Wakayama, 649-2211, Japan
| | - Shigeyuki Tsutsui
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan.
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Sato Y, Matsunaga R, Tasumi S, Mizuno N, Nakane M, Hosoya S, Yamamoto A, Nakamura O, Tsutsui S, Shiozaki K, Kikuchi K. l-fucoside localization in the gills of the genus Takifugu and its possible implication in the parasitism of Heterobothrium okamotoi (Monogenea: Diclidophoridae). Biochim Biophys Acta Gen Subj 2023; 1867:130467. [PMID: 37777092 DOI: 10.1016/j.bbagen.2023.130467] [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: 07/22/2023] [Revised: 09/11/2023] [Accepted: 09/19/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND The monogenean parasite Heterobothrium okamotoi only parasitizes the gills of Takifugu rubripes. In this study, we hypothesized that the carbohydrates contribute to high host specificity of H. okamotoi. METHODS T. rubripes, T. niphobles, T. snyderi, and T. pardalis were used for UEA I staining of the gills and an in vivo challenge test against H. okamotoi. To examine the effect of l-fucose, an in vitro detachment test was conducted using the host's gills. Additionally, fucosylated proteins were isolated from the membrane proteins of T. niphobles gills. RESULTS The location of l-fucoside and the infection dynamics in four species were correlated to some extent; H. okamotoi detached relatively quickly from T. niphobles possessing l-fucoside both on the surface of the gills and in certain types of cells, including mucus cells, but detached slowly from T. snyderi possessing l-fucoside in only certain types of cells, including mucus cells. Under the conditions examined, H. okamotoi exhibited minimal detachment from T. rubripes and T. pardalis, and l-fucoside was not detected. The significantly higher detachment rate of H. okamotoi from the host's gills incubated in l-fucose-containing medium compared with the controls suggests that l-fucose in the non-host gills induced detachment of H. okamotoi. Four fucosylated proteins, including mucin5AC-like, were identified as potential factors for the detachment of H. okamotoi. CONCLUSIONS Fucosylated proteins covering the surface of non-host gills might contribute to H. okamotoi detachment. GENERAL SIGNIFICANCE This research shows the possible involvement of oligosaccharides in the host specificity of monogenean parasites.
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Affiliation(s)
- Yoshiki Sato
- Fisheries Laboratory, Graduate School of Agricultural and Life sciences, The University of Tokyo, 2971-4 Bentenjima, Maisaka, Nishi-ku, Hamamatsu, Shizuoka 431-0214, Japan
| | - Ryohei Matsunaga
- Fisheries Laboratory, Graduate School of Agricultural and Life sciences, The University of Tokyo, 2971-4 Bentenjima, Maisaka, Nishi-ku, Hamamatsu, Shizuoka 431-0214, Japan
| | - Satoshi Tasumi
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan.
| | - Naoki Mizuno
- Fisheries Laboratory, Graduate School of Agricultural and Life sciences, The University of Tokyo, 2971-4 Bentenjima, Maisaka, Nishi-ku, Hamamatsu, Shizuoka 431-0214, Japan
| | - Motoyuki Nakane
- Kumamoto Prefectural Fisheries Research Center, 2450-2 Oyanomachinaka, Amakusa, Kumamoto 869-3603, Japan
| | - Sho Hosoya
- Fisheries Laboratory, Graduate School of Agricultural and Life sciences, The University of Tokyo, 2971-4 Bentenjima, Maisaka, Nishi-ku, Hamamatsu, Shizuoka 431-0214, Japan
| | - Atsushi Yamamoto
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
| | - Osamu Nakamura
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
| | - Shigeyuki Tsutsui
- School of Marine Biosciences, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
| | - Kazuhiro Shiozaki
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
| | - Kiyoshi Kikuchi
- Fisheries Laboratory, Graduate School of Agricultural and Life sciences, The University of Tokyo, 2971-4 Bentenjima, Maisaka, Nishi-ku, Hamamatsu, Shizuoka 431-0214, Japan
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T A JP, Karunakaran C, Nath A, Kappalli S. Transcriptomic Variation of Amphiprion Percula (Lacepède, 1802) in Response to Infection with Cryptocaryon Irritans Brown, 1951. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2023; 25:858-890. [PMID: 37695540 DOI: 10.1007/s10126-023-10246-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 08/18/2023] [Indexed: 09/12/2023]
Abstract
Cryptocaryon irritans (Brown 1951) frequently infect the Pomacentridae fishes causing severe economic losses. However, the anti-C. irritans' molecular mechanism in these fishes remains largely unknown. To address this issue, we conducted RNA-Seq for C. irrtians-infected gills of the clownfish Amphiprion percula (Lacepède 1802) at the early (day 1) and late (day 3) stages of infection. A total of 1655 differentially expressed genes (DEGs) were identified. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses of DEGs showed a vast genetic variation related to the following aspects: ECM-receptor interaction, P13K-Akt signalling, cytokine-cytokine receptor interaction, and endocytosis. During the early phase of infection, key genes involved in ATP production, energy homeostasis, and stress control were abruptly increased. In the late phase, however, acute response molecules of the peripheral nervous system (synaptic transmission and local immunity), metabolic system triggering glycogen synthesis, energy maintenance, and osmoregulation were found to be critical. The highest number of upregulated genes (URGs) recovered during the early phase was included under the 'biological process' category, which primarily functions as response to stimuli, signalling, and biological regulation. In the late phase, most of the URGs were related to gene regulation and immune system processes under 'molecular function' category. The immune-related URGs of early infection include major histocompatibility complex (MHC) class-II molecules apparently triggering CD4+ T-cell-activated Th responses, and that of late infection include MHC class-1 molecules for the possible culmination of CD8+ T-cell triggered cytotoxicity. The high level of genic single nucleotide polymorphisms (SNPs) identified during the late phase of infection is likely to influence their susceptibility to secondary infection. In summary, the identified DEGs and their related metabolic and immune-related pathways and the SNPs may provide new insights into coordinating the immunological events and improving resistance in Pomacentridae fishes against C. irritans.
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Affiliation(s)
- Jose Priya T A
- Department of Zoology, School of Biological Sciences, Central University of Kerala, Kasaragod, 671316, India.
| | - Charutha Karunakaran
- Department of Zoology, School of Biological Sciences, Central University of Kerala, Kasaragod, 671316, India
| | - Aishwarya Nath
- Department of Zoology, School of Biological Sciences, Central University of Kerala, Kasaragod, 671316, India
| | - Sudha Kappalli
- Department of Zoology, School of Biological Sciences, Central University of Kerala, Kasaragod, 671316, India.
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Robinson NA, Robledo D, Sveen L, Daniels RR, Krasnov A, Coates A, Jin YH, Barrett LT, Lillehammer M, Kettunen AH, Phillips BL, Dempster T, Doeschl‐Wilson A, Samsing F, Difford G, Salisbury S, Gjerde B, Haugen J, Burgerhout E, Dagnachew BS, Kurian D, Fast MD, Rye M, Salazar M, Bron JE, Monaghan SJ, Jacq C, Birkett M, Browman HI, Skiftesvik AB, Fields DM, Selander E, Bui S, Sonesson A, Skugor S, Østbye TK, Houston RD. Applying genetic technologies to combat infectious diseases in aquaculture. REVIEWS IN AQUACULTURE 2023; 15:491-535. [PMID: 38504717 PMCID: PMC10946606 DOI: 10.1111/raq.12733] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/24/2022] [Accepted: 08/16/2022] [Indexed: 03/21/2024]
Abstract
Disease and parasitism cause major welfare, environmental and economic concerns for global aquaculture. In this review, we examine the status and potential of technologies that exploit genetic variation in host resistance to tackle this problem. We argue that there is an urgent need to improve understanding of the genetic mechanisms involved, leading to the development of tools that can be applied to boost host resistance and reduce the disease burden. We draw on two pressing global disease problems as case studies-sea lice infestations in salmonids and white spot syndrome in shrimp. We review how the latest genetic technologies can be capitalised upon to determine the mechanisms underlying inter- and intra-species variation in pathogen/parasite resistance, and how the derived knowledge could be applied to boost disease resistance using selective breeding, gene editing and/or with targeted feed treatments and vaccines. Gene editing brings novel opportunities, but also implementation and dissemination challenges, and necessitates new protocols to integrate the technology into aquaculture breeding programmes. There is also an ongoing need to minimise risks of disease agents evolving to overcome genetic improvements to host resistance, and insights from epidemiological and evolutionary models of pathogen infestation in wild and cultured host populations are explored. Ethical issues around the different approaches for achieving genetic resistance are discussed. Application of genetic technologies and approaches has potential to improve fundamental knowledge of mechanisms affecting genetic resistance and provide effective pathways for implementation that could lead to more resistant aquaculture stocks, transforming global aquaculture.
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Affiliation(s)
- Nicholas A. Robinson
- Nofima ASTromsøNorway
- Sustainable Aquaculture Laboratory—Temperate and Tropical (SALTT)School of BioSciences, The University of MelbourneMelbourneVictoriaAustralia
| | - Diego Robledo
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | | | - Rose Ruiz Daniels
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | | | - Andrew Coates
- Sustainable Aquaculture Laboratory—Temperate and Tropical (SALTT)School of BioSciences, The University of MelbourneMelbourneVictoriaAustralia
| | - Ye Hwa Jin
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | - Luke T. Barrett
- Sustainable Aquaculture Laboratory—Temperate and Tropical (SALTT)School of BioSciences, The University of MelbourneMelbourneVictoriaAustralia
- Institute of Marine Research, Matre Research StationMatredalNorway
| | | | | | - Ben L. Phillips
- Sustainable Aquaculture Laboratory—Temperate and Tropical (SALTT)School of BioSciences, The University of MelbourneMelbourneVictoriaAustralia
| | - Tim Dempster
- Sustainable Aquaculture Laboratory—Temperate and Tropical (SALTT)School of BioSciences, The University of MelbourneMelbourneVictoriaAustralia
| | - Andrea Doeschl‐Wilson
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | - Francisca Samsing
- Sydney School of Veterinary ScienceThe University of SydneyCamdenAustralia
| | | | - Sarah Salisbury
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | | | | | | | | | - Dominic Kurian
- The Roslin Institute and Royal (Dick) School of Veterinary StudiesThe University of EdinburghEdinburghUK
| | - Mark D. Fast
- Atlantic Veterinary CollegeThe University of Prince Edward IslandCharlottetownPrince Edward IslandCanada
| | | | | | - James E. Bron
- Institute of AquacultureUniversity of StirlingStirlingScotlandUK
| | - Sean J. Monaghan
- Institute of AquacultureUniversity of StirlingStirlingScotlandUK
| | - Celeste Jacq
- Blue Analytics, Kong Christian Frederiks Plass 3BergenNorway
| | | | - Howard I. Browman
- Institute of Marine Research, Austevoll Research Station, Ecosystem Acoustics GroupTromsøNorway
| | - Anne Berit Skiftesvik
- Institute of Marine Research, Austevoll Research Station, Ecosystem Acoustics GroupTromsøNorway
| | | | - Erik Selander
- Department of Marine SciencesUniversity of GothenburgGothenburgSweden
| | - Samantha Bui
- Institute of Marine Research, Matre Research StationMatredalNorway
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Huang Y, Shi Y, Hu S, Wu T, Zhao Z. Characterization and Functional Analysis of Two Transmembrane C-Type Lectins in Obscure Puffer ( Takifugu obscurus). Front Immunol 2020; 11:436. [PMID: 32226431 PMCID: PMC7080814 DOI: 10.3389/fimmu.2020.00436] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 02/25/2020] [Indexed: 12/17/2022] Open
Abstract
C-type lectins (CTLs) have received widespread attention in animal immune responses. In the present study, two CTLs (ToCTL1 and ToCTL2) were identified from obscure puffer Takifugu obscurus. The open reading frames of ToCTL1 and ToCTL2 were 687 and 1,380 bp, respectively. The predicted ToCTL1 and ToCTL2 proteins contained a single transmembrane region and one typical carbohydrate recognition domain (CRD). Quantitative real-time polymerase chain reaction detected ToCTL1 and ToCTL2 transcripts in all examined tissues, with high levels in the intestine and kidney, and their expression levels were remarkably altered upon Vibrio harveyi and Aeromonas hydrophila infection. The recombinant proteins ToCTL1-CRD and ToCTL2-CRD agglutinated the Gram-negative and Gram-positive bacteria in a Ca2+-dependent manner. rToCTL1-CRD and rToCTL2-CRD exhibited evident binding activities against seven kinds of bacteria and polysaccharides (lipopolysaccharide and peptidoglycan) in a Ca2+-independent manner. Moreover, rToCTL1-CRD and rToCTL2-CRD could inhibit the growth of four types of bacteria in vitro. These findings collectively demonstrated that ToCTL1 and ToCTL2 could be involved in host defense against bacterial infection in T. obscurus.
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Affiliation(s)
- Ying Huang
- College of Oceanography, Hohai University, Nanjing, China.,Postdoctoral Innovation Practice Base, Jiangsu Shuixian Industrial Company Limited, Yangzhou, China
| | - Yan Shi
- College of Oceanography, Hohai University, Nanjing, China
| | - Sufei Hu
- College of Oceanography, Hohai University, Nanjing, China
| | - Ting Wu
- Postdoctoral Innovation Practice Base, Jiangsu Shuixian Industrial Company Limited, Yangzhou, China
| | - Zhe Zhao
- College of Oceanography, Hohai University, Nanjing, China.,Guangxi Key Lab for Marine Biotechnology, Guangxi Institute of Oceanography, Guangxi Academy of Sciences, Beihai, China
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Yang Z, Wang L, Wong SM, Yue GH. The HIF1αn gene and its association with hypoxia tolerance in the Asian seabass. Gene 2020; 731:144341. [PMID: 31935502 DOI: 10.1016/j.gene.2020.144341] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 11/30/2022]
Abstract
Hypoxia is one of the major challenges in aquaculture industry. Breeding of fish tolerant to hypoxia is an important task in genetic improvement of aquaculture species. The Asian seabass, Lates calcarifer, is an important foodfish species. We identified and characterized the hypoxia-inducible factor inhibitor (HIF1αn) gene in the Asian seabass. The full-length cDNA sequence of the HIF1αn was 3425 bp, with an ORF of 1065 bp, encoding 354 amino acids. The genomic sequence of the gene was 8667 bp in length, and contained eight exons and seven introns. Phylogenetic analysis of the gene in fish and tetrapods revealed that the HIF1αn in the Asian seabass was closely related to that of tilapia (Oreochromis niloticus). The HIF1αn was highly up-regulated in the gill, spleen and heart after 3.5-hours hypoxia treatment. We identified three SNPs in the third and fourth introns of the HIF1αn gene. The SNP (i.e. SNP 9332241 (C/T)) in the fourth intron was significantly (P < 0.01) associated with hypoxia tolerance. This SNP might be useful in selecting Asian seabass for improved tolerance to hypoxia. Our data also provide useful information for further detailed analysis of the function of the HIF1αn gene in hypoxia tolerance.
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Affiliation(s)
- Zituo Yang
- Department of Biological Sciences, National University of Singapore, 14 Science Drive, 117543, Singapore; Temasek Life Sciences Laboratory, National University of Singapore, 1 Research Link, 117604, Singapore
| | - Le Wang
- Temasek Life Sciences Laboratory, National University of Singapore, 1 Research Link, 117604, Singapore
| | - Sek Man Wong
- Department of Biological Sciences, National University of Singapore, 14 Science Drive, 117543, Singapore; National University of Singapore Suzhou Research Institute, Suzhou, Jiangsu 215123, China.
| | - Gen Hua Yue
- Department of Biological Sciences, National University of Singapore, 14 Science Drive, 117543, Singapore; Temasek Life Sciences Laboratory, National University of Singapore, 1 Research Link, 117604, Singapore; School of Biological Sciences, Nanyang Technological University, 6 Nanyang Drive, 637551, Singapore.
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Angulo C, Sanchez V, Delgado K, Reyes-Becerril M. C-type lectin 17A and macrophage-expressed receptor genes are magnified by fungal β-glucan after Vibrio parahaemolyticus infection in Totoaba macdonaldi cells. Immunobiology 2019; 224:102-109. [DOI: 10.1016/j.imbio.2018.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 10/11/2018] [Accepted: 10/16/2018] [Indexed: 12/16/2022]
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