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Wikumpriya GC, Prabhatha MWS, Lee J, Kim CH. Epigenetic Modulations for Prevention of Infectious Diseases in Shrimp Aquaculture. Genes (Basel) 2023; 14:1682. [PMID: 37761822 PMCID: PMC10531180 DOI: 10.3390/genes14091682] [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: 07/26/2023] [Revised: 08/19/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Aquaculture assumes a pivotal role in meeting the escalating global food demand, and shrimp farming, in particular, holds a significant role in the global economy and food security, providing a rich source of nutrients for human consumption. Nonetheless, the industry faces formidable challenges, primarily attributed to disease outbreaks and the diminishing efficacy of conventional disease management approaches, such as antibiotic usage. Consequently, there is an urgent imperative to explore alternative strategies to ensure the sustainability of the industry. In this context, the field of epigenetics emerges as a promising avenue for combating infectious diseases in shrimp aquaculture. Epigenetic modulations entail chemical alterations in DNA and proteins, orchestrating gene expression patterns without modifying the underlying DNA sequence through DNA methylation, histone modifications, and non-coding RNA molecules. Utilizing epigenetic mechanisms presents an opportunity to enhance immune gene expression and bolster disease resistance in shrimp, thereby contributing to disease management strategies and optimizing shrimp health and productivity. Additionally, the concept of epigenetic inheritability in marine animals holds immense potential for the future of the shrimp farming industry. To this end, this comprehensive review thoroughly explores the dynamics of epigenetic modulations in shrimp aquaculture, with a particular emphasis on its pivotal role in disease management. It conveys the significance of harnessing advantageous epigenetic changes to ensure the long-term viability of shrimp farming while deliberating on the potential consequences of these interventions. Overall, this appraisal highlights the promising trajectory of epigenetic applications, propelling the field toward strengthening sustainability in shrimp aquaculture.
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Affiliation(s)
| | | | | | - Chan-Hee Kim
- Division of Fisheries Life Science, Pukyong National University, Busan 48513, Republic of Korea (M.W.S.P.); (J.L.)
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Canesi L, Auguste M, Balbi T, Prochazkova P. Soluble mediators of innate immunity in annelids and bivalve mollusks: A mini-review. Front Immunol 2022; 13:1051155. [PMID: 36532070 PMCID: PMC9756803 DOI: 10.3389/fimmu.2022.1051155] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/14/2022] [Indexed: 12/03/2022] Open
Abstract
Annelids and mollusks, both in the superphylum of Lophotrochozoa (Bilateria), are important ecological groups, widespread in soil, freshwater, estuarine, and marine ecosystems. Like all invertebrates, they lack adaptive immunity; however, they are endowed with an effective and complex innate immune system (humoral and cellular defenses) similar to vertebrates. The lack of acquired immunity and the capacity to form antibodies does not mean a lack of specificity: invertebrates have evolved genetic mechanisms capable of producing thousands of different proteins from a small number of genes, providing high variability and diversity of immune effector molecules just like their vertebrate counterparts. This diversity allows annelids and mollusks to recognize and eliminate a wide range of pathogens and respond to environmental stressors. Effector molecules can kill invading microbes, reduce their pathogenicity, or regulate the immune response at cellular and systemic levels. Annelids and mollusks are "typical" lophotrochozoan protostome since both groups include aquatic species with trochophore larvae, which unite both taxa in a common ancestry. Moreover, despite their extensive utilization in immunological research, no model systems are available as there are with other invertebrate groups, such as Caenorhabditis elegans or Drosophila melanogaster, and thus, their immune potential is largely unexplored. In this work, we focus on two classes of key soluble mediators of immunity, i.e., antimicrobial peptides (AMPs) and cytokines, in annelids and bivalves, which are the most studied mollusks. The mediators have been of interest from their first identification to recent advances in molecular studies that clarified their role in the immune response.
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Affiliation(s)
- Laura Canesi
- Department of Earth Environment & Life Sciences, University of Genoa, Genoa, Italy
| | - Manon Auguste
- Department of Earth Environment & Life Sciences, University of Genoa, Genoa, Italy
| | - Teresa Balbi
- Department of Earth Environment & Life Sciences, University of Genoa, Genoa, Italy
| | - Petra Prochazkova
- Laboratory of Cellular and Molecular Immunology, Institute of Microbiology of the Czech Academy of Sciences, Prague, Czechia,*Correspondence: Petra Prochazkova,
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Chen J, Zhai Z, Lu L, Li S, Guo D, Bai L, Yu D. Identification and Characterization of miRNAs and Their Predicted mRNAs in the Larval Development of Pearl Oyster Pinctada fucata. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2022; 24:303-319. [PMID: 35353261 DOI: 10.1007/s10126-022-10105-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
As an important economic shellfish, the pearl oyster, Pinctada fucata, and its larvae are an ideal model for studying molecular mechanisms of larval development in invertebrates. Larval development directly affects the quantity and quality of pearl oysters. MicroRNAs (miRNAs) may play important roles in development, but the effects of miRNA expression on P. fucata early development remain unknown. In this study, miRNA and mRNA transcriptomics of seven different P. fucata developmental stages were analyzed using Illumina RNA sequencing. A total of 329 miRNAs, including 87 known miRNAs and 242 novel miRNAs, and 33,550 unigenes, including 26,333 known genes and 7217 predicted new genes, were identified in these stages. A cluster analysis showed that the difference in the numbers of miRNAs was greatest between fertilized eggs and trochophores. In addition, the integrated mRNA transcriptome was used to predict target genes for differentially expressed miRNAs between adjacent developmental stages, and the target genes were subjected to a gene ontology enrichment analysis. Using the gene ontology annotation, 100 different expressed genes and 95 differentially expressed miRNAs were identified as part of larval development regulation. Real-time PCR was used to identify eight mRNAs and three miRNAs related to larval development. The present findings will be helpful for further clarifying the regulatory mechanisms of miRNA in invertebrate larval development.
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Affiliation(s)
- Jian Chen
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China
| | - Ziqin Zhai
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China
| | - Lili Lu
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China
| | - Suping Li
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China
| | - Dan Guo
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China
| | - Lirong Bai
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China.
| | - Dahui Yu
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, Beibu Gulf University, Guangxi, Qinzhou, 535011, People's Republic of China.
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Rosani U, Bortoletto E, Bai CM, Novoa B, Figueras A, Venier P, Fromm B. Digging into bivalve miRNAomes: between conservation and innovation. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200165. [PMID: 33813895 DOI: 10.1098/rstb.2020.0165] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Bivalves are a diverse mollusc group of economic and ecological importance. An evident resilience to pollution, parasites and extreme environments makes some bivalve species important models for studying adaptation and immunity. Despite substantial progress in sequencing projects of bivalves, information on non-coding genes and gene-regulatory aspects is still lacking. Here, we review the current repertoire of bivalve microRNAs (miRNAs), important regulators of gene expression in Metazoa. We exploited available short non-coding RNA (sncRNA) data for Pinctada martensii, Crassostrea gigas, Corbicula fluminea, Tegillarca granosa and Ruditapes philippinarum, and we produced new sncRNA data for two additional bivalves, the Mediterranean mussel Mytilus galloprovincialis and the blood clam Scapharca broughtonii. We found substantial heterogeneity and incorrect annotations of miRNAs; hence, we reannotated conserved miRNA families using recently established criteria for bona fide microRNA annotation. We found 106 miRNA families missing in the previously published bivalve datasets and 89 and 87 miRNA complements were identified in the two additional species. The overall results provide a homogeneous and evolutionarily consistent picture of miRNAs in bivalves and enable future comparative studies. The identification of two bivalve-specific miRNA families sheds further light on the complexity of transcription and its regulation in bivalve molluscs. This article is part of the Theo Murphy meeting issue 'Molluscan genomics: broad insights and future directions for a neglected phylum'.
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Affiliation(s)
- Umberto Rosani
- Department of Biology, University of Padova, 35121 Padova, Italy
| | | | - Chang-Ming Bai
- Key Laboratory of Maricultural Organism Disease Control, Ministry of Agriculture; Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266237, People's Republic of China
| | - Beatriz Novoa
- Institute of Marine Research (IIM), Spanish National Research Council (CSIC), Eduardo Cabello, 6, 36208 Vigo, Spain
| | - Antonio Figueras
- Institute of Marine Research (IIM), Spanish National Research Council (CSIC), Eduardo Cabello, 6, 36208 Vigo, Spain
| | - Paola Venier
- Department of Biology, University of Padova, 35121 Padova, Italy
| | - Bastian Fromm
- Science for Life Laboratory, Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, 10691 Stockholm, Sweden
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Huang S, Yoshitake K, Asaduzzaman M, Kinoshita S, Watabe S, Asakawa S. Discovery and functional understanding of MiRNAs in molluscs: a genome-wide profiling approach. RNA Biol 2021; 18:1702-1715. [PMID: 33356816 DOI: 10.1080/15476286.2020.1867798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Small non-coding RNAs play a pivotal role in gene regulation, repression of transposable element and viral activity in various organisms. Among the various categories of these small non-coding RNAs, microRNAs (miRNAs) guide post-translational gene regulation in cellular development, proliferation, apoptosis, oncogenesis, and differentiation. Here, we performed a genome-wide computational prediction of miRNAs to improve the understanding of miRNA observation and function in molluscs. As an initial step, hundreds of conserved miRNAs were predicted in 35 species of molluscs through genome scanning. Afterwards, the miRNAs' population, isoforms, organization, and function were characterized in detail. Furthermore, the key miRNA biogenesis factors, including AGO2, DGCR8, DICER, DROSHA, TRABP2, RAN, and XPO5, were elucidated based on homologue sequence searching. We also summarized the miRNAs' function in biomineralization, immune and stress response, as well as growth and development in molluscs. Because miRNAs play a vital role in various lifeforms, this study will provide insight into miRNA biogenesis and function in molluscs, as well as other invertebrates.
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Affiliation(s)
- Songqian Huang
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kazutoshi Yoshitake
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Md Asaduzzaman
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shigeharu Kinoshita
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shugo Watabe
- School of Marine Biosciences, Kitasato University, Sagamihara, Kanagawa, Japan
| | - Shuichi Asakawa
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Im J, Kim HS. Genetic features of Haliotis discus hannai by infection of vibrio and virus. Genes Genomics 2019; 42:117-125. [PMID: 31776802 DOI: 10.1007/s13258-019-00892-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 11/14/2019] [Indexed: 11/30/2022]
Abstract
BACKGROUND Haliotis discus hannai more commonly referred to as the Pacific Abalone is of significant commercial and economical value in South Korea, with it being the second largest producer in the world. Despite this significance there is a lack of genetic studies with regards to the species. Most existing studies focused mainly on environmental factors. OBJECTIVE To provide a comprehensive review describing the genetic feature of Haliotis discus hannai by infection of vibrio and virus. METHODS This review summarized the immune response in the Haliotis spp. with regards to immunological genes such as Cathepsin B, C-type lectin and Toll-like receptors. Genetic studies with regards to transposable elements and miRNAs are few and far between. A study identified LTR retrotransposon Ty3/gypsy in the species. As to miRNA, a single study identified numerous miRNAs in the Haliotis discus hannai. CONCLUSION This paper sought to provide an overview of genetic perspective with regards to immune response genes, transposable elements and miRNAs.
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Affiliation(s)
- Jennifer Im
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan, 46241, Republic of Korea.,Institute of Systems Biology, Pusan National University, Busan, 46241, Republic of Korea
| | - Heui-Soo Kim
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan, 46241, Republic of Korea. .,Institute of Systems Biology, Pusan National University, Busan, 46241, Republic of Korea.
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MicroRNAs in Daphnia magna identified and characterized by deep sequencing, genome mapping and manual curation. Sci Rep 2019; 9:15945. [PMID: 31685896 PMCID: PMC6828783 DOI: 10.1038/s41598-019-52387-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 10/11/2019] [Indexed: 12/17/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that function in RNA silencing and post-transcriptional regulation of gene expression in most organisms. The water flea, Daphnia magna is a key model to study phenotypic, physiological and genomic responses to environmental cues and miRNAs can potentially mediate these responses. By using deep sequencing, genome mapping and manual curations, we have characterised the miRNAome of D. magna. We identified 66 conserved miRNAs and 13 novel miRNAs; all of these were found in the three studied life stages of D. magna (juveniles, subadults, adults), but with variation in expression levels between stages. Forty-one of the miRNAs were clustered into 13 genome clusters also present in the D. pulex genome. Most miRNAs contained sequence variants (isomiRs). The highest expressed isomiRs were 3′ template variants with one nucleotide deletion or 3′ non-template variants with addition of A or U at the 3′ end. We also identified offset RNAs (moRs) and loop RNAs (loRs). Our work extends the base for further work on all species (miRNA, isomiRs, moRNAs, loRNAs) of the miRNAome of Daphnia as biomarkers in response to chemical substances and environment cues, and underline age dependency.
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Burgos-Aceves MA, Cohen A, Smith Y, Faggio C. A potential microRNA regulation of immune-related genes in invertebrate haemocytes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 621:302-307. [PMID: 29190554 DOI: 10.1016/j.scitotenv.2017.11.285] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 11/24/2017] [Accepted: 11/24/2017] [Indexed: 06/07/2023]
Abstract
Bivalve mollusks have been employed as sentinel organisms in environmental health programs due to their sedentary lifestyle, filter-feeding behavior and their ability to accumulate pathogens or toxin molecules inside tissues. Endocrine disrupting chemicals (EDCs) can be up taken and bioaccumulated, and due to sensibility of mollusks to these EDCs, being able to cause immune alterations. Recently, microRNAs (miRNAs) were shown to be involved in modulation and buffering developmental processes against the effects of environmental alterations and pathogenic microorganisms. Moreover, it is suggested that this miRNAs are incorporated into the estrogen-controlled immune network, regulating mechanism of immune gene expression at the posttranscriptional level, modulating immune responses as phagocytosis, redox reaction and apoptosis in bivalve haemocytes. Thus, miRNAs can be used as biomarkers that specifically elucidate immunotoxic effects caused by exogenous biotic or abiotic factors, and can act as useful tools in integrated monitoring environmental health programs. In this review, we aim to describe the investigations that have been carried out on miRNAs in bivalve mollusks, especially those associated with immune responses against infectious agents and xenobiotic exposure.
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Affiliation(s)
- Mario Alberto Burgos-Aceves
- Centro de Investigaciones Biológicas del Noroeste, S.C., Mar Bermejo 195, Col. Playa Palo de Sta. Rita, La Paz, BCS 23096, Mexico
| | - Amit Cohen
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Yoav Smith
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical, and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres, 31, 98166 Messina, Italy.
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Chen H, Zhou Z, Wang L, Wang H, Liu R, Zhang H, Song L. An invertebrate-specific miRNA targeted the ancient cholinergic neuroendocrine system of oyster. Open Biol 2017; 6:rsob.160059. [PMID: 27488375 PMCID: PMC5008008 DOI: 10.1098/rsob.160059] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Accepted: 07/05/2016] [Indexed: 02/07/2023] Open
Abstract
Acetylcholine (ACh) is the main neurotransmitter in the cholinergic neuroendocrine system and plays an indispensable role in modulating diverse immune responses. As important transporters in choline uptake, choline transporter-like proteins (CTLs) can control ACh synthesis and release indirectly in multiple organisms. In this study, cgi-miR-2d, an invertebrate-specific miRNA in oyster Crassostrea gigas, is proved to repress the synthesis/release of ACh by targeting CgCTL1 and choline uptake in haemocytes during the early stage of pathogen infection. In short, an opposite expression pattern between CgCTL1 and cgi-miR-2d is observed during Vibrio splendidus infection, accompanied by changes in haemolymph ACh. In addition, the expression level of CgCTL1 is found to be significantly repressed after cgi-miR-2d overexpression in vivo, while both haemocyte choline and haemolymph ACh are also decreased simultaneously, similar to the finding in CgCTL1 knock-down assay. As a result, the expression of two tumour necrosis factor-like proteins and the bacteriostatic activity of oyster haemocytes are found to be altered significantly by either gain-of-function cgi-miR-2d or knock-down of CgCTL1. To our knowledge, this is the first miRNA identified in invertebrates that can target the ancient cholinergic system and augment immune response during infection.
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Affiliation(s)
- Hao Chen
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Zhi Zhou
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
| | - Lingling Wang
- Key Laboratory of Mariculture and Stock enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, People's Republic of China
| | - Hao Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
| | - Rui Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
| | - Huan Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China
| | - Linsheng Song
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, People's Republic of China Key Laboratory of Mariculture and Stock enhancement in North China's Sea, Ministry of Agriculture, Dalian Ocean University, Dalian 116023, People's Republic of China
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