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Carroll SL, Coyne VE. A proteomic analysis of the effect of ocean acidification on the haemocyte proteome of the South African abalone Haliotis midae. FISH & SHELLFISH IMMUNOLOGY 2021; 117:274-290. [PMID: 34411749 DOI: 10.1016/j.fsi.2021.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/02/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
As a result of increasing CO2 emissions and the prevalence of global climate change, ocean acidification (OA) is becoming more pervasive, affecting many trophic levels, particularly those that rely on succinctly balanced ocean chemistry. This ultimately threatens community structures, as well as the future sustainability of the fishing/aquaculture industry. Understanding the molecular stress response of key organisms will aid in predicting their future survivability under changing environmental conditions. This study sought to elucidate the molecular stress response of the South African abalone, Haliotis midae, an understudied organism with high economic value, utilising a high throughput iTRAQ-based proteomics methodology. Adult abalone were exposed to control (pH 7.9) and experimental (pH 7.5) conditions for 12, 72 and 168 h, following which protein was isolated from sampled haemocytes and subsequently processed. iTRAQ-labelled peptides were analysed using mass spectrometry, while an array of bioinformatics tools was utilised for analysing the proteomic data. COG analysis identified "Cytoskeleton", "Translation, ribosomal structure and biogenesis", "Post-translational modification, protein turnover, chaperones", and "Intracellular trafficking, secretion and vesicular transport" to be the most enriched functional classes, while statistical analysis identified a total of 33 up-regulated and 23 down-regulated effectors of OA stress in abalone. Several of the up-regulated proteins that were identified function in central metabolism (ENO1, PGK, DUOX1, GPD2), the stress/immune response (CAMKI, HSPA5/GRP78, MAPKI), and cytoskeleton, protein sorting and signal transduction (IQGAP1, MYO9B, TLN1, RDX, TCP-1/CCT, SNX6, CHMP1a, VPS13a). Protein-protein interactions were predicted using STRING DB, Cytoscape and Ingenuity Pathway Analysis, providing a model of the effects of OA on the H. midae haemocyte proteome. The data indicated that H. midae underwent a metabolic shift under OA conditions to utilize more energy-efficient mechanisms of ATP generation, while attempts at restoring haemocyte stabilisation and homeostasis were reflected by up-regulation of oxidative stress and cytoskeletal proteins. Our results support other molluscan studies that report a complex array of overlapping functions of both the stress and immune response systems. This interplay of the mounted stress and immune response is maintained and observed through the up-regulation of proteins involved in protein synthesis and turnover, as well as intracellular signalling and transport. The data presented in this study highlight the value of employing sensitive and robust -omics technologies for assessing the effects of changing environmental conditions on marine organisms.
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Affiliation(s)
- Sarah L Carroll
- Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, 7700, South Africa
| | - Vernon E Coyne
- Department of Molecular and Cell Biology, University of Cape Town, Rondebosch, 7700, South Africa.
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Veilleux HD, Misutka MD, Glover CN. Environmental DNA and environmental RNA: Current and prospective applications for biological monitoring. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 782:146891. [PMID: 33848866 DOI: 10.1016/j.scitotenv.2021.146891] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/22/2021] [Accepted: 03/28/2021] [Indexed: 06/12/2023]
Abstract
Traditional environmental biomonitoring approaches have limitations in terms of species detectability and their capacity to account for spatial and temporal variation. Furthermore, as invasive techniques they can be harmful to individual organisms, populations and habitats. The application of non-invasive sampling methods that extract, isolate and identify nucleic acid sequences (i.e. DNA, RNA) from environmental matrices have significant potential for complementing, or even ultimately replacing, current methods of biological environmental assessment. These environmental DNA (eDNA) and environmental RNA (eRNA) techniques increase spatial and temporal acuity of monitoring, and in the case of the latter, may provide functional information regarding the health of individuals, and thus ecosystems. However, these assessments require robust analysis of factors such as the detectability and specificity of the developed assays. The presented work highlights the current and future uses of nucleic acid-based biomonitoring regimes, with a focus on fish and aquatic invertebrates and their utility for water quality, biodiversity and species-specific monitoring. These techniques are compared to traditional approaches, with a particular emphasis on the potential insights that could be provided by eRNA analysis, including the benefits of microRNAs as assay targets.
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Affiliation(s)
- Heather D Veilleux
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.
| | - Melissa D Misutka
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada; Faculty of Science and Technology and Athabasca River Basin Research Institute, Athabasca University, Athabasca, Alberta, Canada
| | - Chris N Glover
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada; Faculty of Science and Technology and Athabasca River Basin Research Institute, Athabasca University, Athabasca, Alberta, Canada
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Furr D, Ketchum RN, Phippen BL, Reitzel AM, Ivanina AV. Physiological Variation in Response to Vibrio and Hypoxia by Aquacultured Eastern Oysters in the Southeastern United States. Integr Comp Biol 2021; 61:1715-1729. [PMID: 34351419 DOI: 10.1093/icb/icab176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/12/2021] [Indexed: 02/04/2023] Open
Abstract
Eastern oysters (Crassostrea virginica) have long been recognized as model organisms of extreme environmental tolerance, showing resilience to variation in temperature, salinity, hypoxia and microbial pathogens. These phenotypic responses, however, show variability between geographic locations or habitats (e.g., tidal). Physiological, morphological and genetic differences occur in populations throughout a species' geographical range, which may have been shaped by regional abiotic and biotic variations. Few studies of C. virginica have explored the combined factors of physiological mechanisms of divergent phenotypes between locations and the genetic relationships of individuals between these locations. To characterize genetic relationships of four locations with aquacultured oysters along the North Carolina and Virginia coast, we sequenced a portion of cytochrome oxidase subunit I (COI) that revealed significant variation in haplotype distribution between locations. We then measured mitochondrial physiology and expression of the innate immunity response of hemocytes to lab acclimation and combined stress conditions to compare basal expression and stress response in oysters between these locations. For stress sensing genes, toll-like receptors had the strongest location-specific response to hypoxia and Vibrio, whereas mannose receptor and a stress-receptor were specific to hypoxia and bacteria, respectively. The expression of stress response genes also showed location-specific and stressor-specific changes in expression, particularly for big defensin and the complement gene Cq3. Our results further suggested that genetic similarity of oysters from different locations was not clearly related to physiological and molecular responses. These results are informative for understanding the range of physiological plasticity for stress responses in this commercially important oyster species. They also have implications in the oyster farming industry as well as conservation efforts to restore endangered native oyster beds.
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Affiliation(s)
- Denise Furr
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Remi N Ketchum
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Britney L Phippen
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Adam M Reitzel
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Anna V Ivanina
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA.,Levine Cancer Institute, Atrium Health, Charlotte, NC, USA
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Ferreira CP, Piazza TB, Souza P, Lima D, Mattos JJ, Saldaña-Serrano M, Piazza RS, Jorge MB, Bianchini A, Taniguchi S, Sasaki ST, Montone RC, Bícego MC, Bainy ACD, Lüchmann KH. Integrated biomarker responses in oysters Crassostrea gasar as an approach for assessing aquatic pollution of a Brazilian estuary. MARINE ENVIRONMENTAL RESEARCH 2021; 165:105252. [PMID: 33465683 DOI: 10.1016/j.marenvres.2021.105252] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/02/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
The Laguna Estuarine System (LES), southern Brazil, suffers impacts from anthropogenic activities, releasing contaminants into the ecosystem. This study evaluated changes in biochemical and molecular biomarkers and contaminants concentrations in oysters Crassostrea gasar transplanted and kept for 1.5 and 7 days at three potentially contaminated sites (S1, S2, and S3) at LES. Metals varied spatiotemporally; S1 exhibited higher Ag and Pb concentrations, whereas Cd was present in S3. S2 was a transition site, impacted by Ag, Pb, or Cd, depending on the period. Organic contaminants concentrations were higher before transplantation, resulting in the downregulation of biotransformation genes transcripts levels. Phase II-related genes transcripts and metals showed positive correlations. Decreased levels of HSP90-like transcripts and antioxidant enzymes activity were related to increased pollutant loads. Integrated biomarker response index (IBR) analysis showed S1 and S3 as the most impacted sites after 1.5 and 7 days, respectively. Regardless of the scenario, LES contaminants pose a significant threat to aquatic biota.
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Affiliation(s)
- Clarissa P Ferreira
- Fishery Engineering and Biological Sciences Department, Santa Catarina State University, Laguna, 88790-000, Brazil
| | - Thiago B Piazza
- Fishery Engineering and Biological Sciences Department, Santa Catarina State University, Laguna, 88790-000, Brazil
| | - Patrick Souza
- Fishery Engineering and Biological Sciences Department, Santa Catarina State University, Laguna, 88790-000, Brazil
| | - Daína Lima
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University of Santa Catarina, Florianópolis, 88034-257, Brazil
| | - Jacó J Mattos
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University of Santa Catarina, Florianópolis, 88034-257, Brazil
| | - Miguel Saldaña-Serrano
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University of Santa Catarina, Florianópolis, 88034-257, Brazil
| | - Rômi S Piazza
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University of Santa Catarina, Florianópolis, 88034-257, Brazil
| | - Marianna B Jorge
- Laboratory of Ecotoxicology - LABECOTOX, Federal University of Maranhão, São Luís, 65080-805, Brazil
| | - Adalto Bianchini
- Institute of Biological Sciences - ICB, Federal University of Rio Grande, Rio Grande, 96203-900, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, 05508-120, Brazil
| | - Silvio T Sasaki
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, 05508-120, Brazil; Institute of Humanities, Arts and Sciences, Formation Center in Environmental Science, Federal University of Southern Bahia, Porto Seguro, 45810-000, Brazil
| | - Rosalinda C Montone
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, 05508-120, Brazil
| | - Márcia C Bícego
- Laboratory of Marine Organic Chemistry - LABQOM, Oceanographic Institute, University of São Paulo, São Paulo, 05508-120, Brazil
| | - Afonso C D Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Federal University of Santa Catarina, Florianópolis, 88034-257, Brazil
| | - Karim H Lüchmann
- Department of Scientific and Technological Education, Santa Catarina State University, Florianópolis, 88035-001, Brazil.
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Leprêtre M, Faury N, Segarra A, Claverol S, Degremont L, Palos-Ladeiro M, Armengaud J, Renault T, Morga B. Comparative Proteomics of Ostreid Herpesvirus 1 and Pacific Oyster Interactions With Two Families Exhibiting Contrasted Susceptibility to Viral Infection. Front Immunol 2021; 11:621994. [PMID: 33537036 PMCID: PMC7848083 DOI: 10.3389/fimmu.2020.621994] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
Massive mortality outbreaks affecting Pacific oysters (Crassostrea gigas) spat/juveniles are often associated with the detection of a herpesvirus called ostreid herpesvirus type 1 (OsHV-1). In this work, experimental infection trials of C. gigas spat with OsHV-1 were conducted using two contrasted Pacific oyster families for their susceptibility to viral infection. Live oysters were sampled at 12, 26, and 144 h post infection (hpi) to analyze host-pathogen interactions using comparative proteomics. Shotgun proteomics allowed the detection of seven viral proteins in infected oysters, some of them with potential immunomodulatoy functions. Viral proteins were mainly detected in susceptible oysters sampled at 26 hpi, which correlates with the mortality and viral load observed in this oyster family. Concerning the Pacific oyster proteome, more than 3,000 proteins were identified and contrasted proteomic responses were observed between infected A- and P-oysters, sampled at different post-injection times. Gene ontology (GO) and KEGG pathway enrichment analysis performed on significantly modulated proteins uncover the main immune processes (such as RNA interference, interferon-like pathway, antioxidant defense) which contribute to the defense and resistance of Pacific oysters to viral infection. In the more susceptible Pacific oysters, results suggest that OsHV-1 manipulate the molecular machinery of host immune response, in particular the autophagy system. This immunomodulation may lead to weakening and consecutively triggering death of Pacific oysters. The identification of several highly modulated and defense-related Pacific oyster proteins from the most resistant oysters supports the crucial role played by the innate immune system against OsHV-1 and the viral infection. Our results confirm the implication of proteins involved in an interferon-like pathway for efficient antiviral defenses and suggest that proteins involved in RNA interference process prevent viral replication in C. gigas. Overall, this study shows the interest of multi-omic approaches applied on groups of animals with differing sensitivities and provides novel insight into the interaction between Pacific oyster and OsHV-1 with key proteins involved in viral infection resistance.
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Affiliation(s)
- Maxime Leprêtre
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO Unité Stress Environnementaux et BIOsurveillance des milieux aquatiques, UFR Sciences Exactes et Naturelles, Campus du Moulin de la Housse, Reims, France
| | - Nicole Faury
- SG2M-LGPMM, Laboratoire De Génétique Et Pathologie Des Mollusques Marins, Ifremer, La Tremblade, France
| | - Amélie Segarra
- Department of Anatomy, Physiology & Cell Biology, School of Veterinary Medicine, University of California, Davis, CA, United States
| | - Stéphane Claverol
- Centre Génomique Fonctionnelle de Bordeaux, Plateforme Protéome, Université de Bordeaux, Bordeaux, France
| | - Lionel Degremont
- SG2M-LGPMM, Laboratoire De Génétique Et Pathologie Des Mollusques Marins, Ifremer, La Tremblade, France
| | - Mélissa Palos-Ladeiro
- Université de Reims Champagne-Ardenne, UMR-I 02 INERIS-URCA-ULH SEBIO Unité Stress Environnementaux et BIOsurveillance des milieux aquatiques, UFR Sciences Exactes et Naturelles, Campus du Moulin de la Housse, Reims, France
| | - Jean Armengaud
- Université Paris-Saclay, CEA, INRAE, DépartementMédicaments et Technologies pour la Santé (DMTS), SPI, Bagnols-sur-Cèze, France
| | - Tristan Renault
- Département Ressources Biologiques Et Environnement, Ifremer, Nantes, France
| | - Benjamin Morga
- SG2M-LGPMM, Laboratoire De Génétique Et Pathologie Des Mollusques Marins, Ifremer, La Tremblade, France
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Aquilino M, Sánchez-Argüello P, Novo M, Martínez-Guitarte JL. Effects on tadpole snail gene expression after exposure to vinclozolin. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:568-577. [PMID: 30576892 DOI: 10.1016/j.ecoenv.2018.12.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 11/06/2018] [Accepted: 12/06/2018] [Indexed: 06/09/2023]
Abstract
The fungicide vinclozolin (Vz) is an endocrine disruptor with known anti-androgenic activity in vertebrates. However, there is a lack of information about the Vz mode of action in invertebrates, although some studies have shown that this compound can produce alterations in different species. Transcriptional activity was analyzed in the freshwater snail Physella acuta in order to elucidate putative cellular processes altered by this chemical during a response. In order to identify potential molecular biomarkers, a de novo transcriptome was generated for this species that constitutes a valuable source for future studies. This data, together with some already available data, permitted the identification of several genes related to detoxification mechanisms (Cyp2u1, Cyp3a7, Cyp4f22, GSTo1, GSTt2, and MRP1), stress response (Hsp20.4, Hsp17, Hsp16.6, and Cu,Zn-SOD), the hormonal system (Estrogen Receptor and Hsp90), apoptosis (Casp3), and copper homeostasis (ATOX1). Using quantitative Real-Time polymerase chain reaction, mRNA levels of these genes were examined in snails exposed to 20 or 200 µg/L Vz for 24 h. The results showed an overall weak response, with downregulation of Hsp20.4 and no statistically significant change for the other genes. These findings suggest that P. acuta can manage the concentrations of Vz found in the environment with no relevant activation of the pathways analyzed, although additional studies are needed for longer exposure times and including other metabolic pathways. The new genes described open the range of processes that can be studied at the molecular level in toxicity tests.
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Affiliation(s)
- Mónica Aquilino
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Senda del Rey 9, 28040 Madrid, Spain.
| | - Paloma Sánchez-Argüello
- Laboratory for Ecotoxicology, Department of the Environment, INIA, Crta A Coruña km 7, 28040 Madrid, Spain
| | - Marta Novo
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Senda del Rey 9, 28040 Madrid, Spain; Biodiversity, Ecology and Evolution, Biological Sciences, Complutense University of Madrid, José Antonio Nóvais sn, Madrid, Spain
| | - José-Luis Martínez-Guitarte
- Grupo de Biología y Toxicología Ambiental, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, UNED, Senda del Rey 9, 28040 Madrid, Spain
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