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Medeiros IPM, Souza MM. Cell volume maintenance capacity of the sea anemone Bunodosoma cangicum: the effect of copper. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50057-50066. [PMID: 36787068 DOI: 10.1007/s11356-023-25834-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/06/2023] [Indexed: 02/15/2023]
Abstract
Cell volume regulation is an essential strategy for the maintenance of life under unfavorable osmotic conditions. Mechanisms aimed at minimizing the physiological challenges caused by environmental changes are crucial in anisosmotic environments. However, aquatic ecosystems experience multiple stressors, including variations in salinity and heavy metal pollution. The accumulation of heavy metals in aquatic ecosystems has a significant effect on the biota, leading to impaired function. The aim of this study was to investigate the capacity of volume regulation in isolated cells of the sea anemone Bunodosoma cangicum exposed to nominal copper (Cu) concentrations of 5 and 50 µg L-1, associated or not with hypoosmotic (15‰) or hyperosmotic (45‰) shock for 15 min. In the absence of the metal, our results showed volume maintenance in all osmotic conditions. Our results showed that cell volume was maintained under all osmotic conditions in the absence of Cu. Similarly, no significant differences were observed in cell volumes under isosmotic and hyperosmotic conditions in the presence of both Cu concentrations. A similar homeostatic response was observed under the hypoosmotic condition with 5 µg L-1 Cu. Our results showed an increase in cell volume with exposure of the cells to the hypoosmotic condition and 50 µg L-1 Cu. The response could be associated with the increased bioavailability of Cu, reduced ability to resist multixenobiotics and their efflux pathways, and the impairment of water efflux in specialized transmembrane proteins. Therefore, B. cangicum pedal disk cells can tolerate osmotic variations in aquatic ecosystems. However, the capacity to regulate cell volume under hypoosmotic conditions can be affected by the presence of a metal contaminant (50 µg L-1 Cu), which could be due to the inhibition of water channels.
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Affiliation(s)
- Isadora Porto Martins Medeiros
- Programa de Pós-Graduação Em Ciências Fisiológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, Rio Grande Do Sul, Brazil.
| | - Marta Marques Souza
- Programa de Pós-Graduação Em Ciências Fisiológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, Rio Grande Do Sul, Brazil.,Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, Rio Grande Do Sul, Brazil
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2
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Liu F, Last KS, Henry TB, Reinardy HC. Interspecific differences in oxidative DNA damage after hydrogen peroxide exposure of sea urchin coelomocytes. Mutagenesis 2022; 38:13-20. [PMID: 36130095 PMCID: PMC9897020 DOI: 10.1093/mutage/geac018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 09/07/2022] [Indexed: 02/07/2023] Open
Abstract
Interspecific comparison of DNA damage can provide information on the relative vulnerability of marine organisms to toxicants that induce oxidative genotoxicity. Hydrogen peroxide (H2O2) is an oxidative toxicant that causes DNA strand breaks and nucleotide oxidation and is used in multiple industries including Atlantic salmon aquaculture to treat infestations of ectoparasitic sea lice. H2O2 (up to 100 mM) can be released into the water after sea lice treatment, with potential consequences of exposure in nontarget marine organisms. The objective of the current study was to measure and compare differences in levels of H2O2-induced oxidative DNA damage in coelomocytes from Scottish sea urchins Echinus esculentus, Paracentrotus lividus, and Psammechinus miliaris. Coelomocytes were exposed to H2O2 (0-50 mM) for 10 min, cell concentration and viability were quantified, and DNA damage was measured by the fast micromethod, an alkaline unwinding DNA method, and the modified fast micromethod with nucleotide-specific enzymes. Cell viability was >92% in all exposures and did not differ from controls. Psammechinus miliaris coelomocytes had the highest oxidative DNA damage with 0.07 ± 0.01, 0.08 ± 0.01, and 0.07 ± 0.01 strand scission factors (mean ± SD) after incubation with phosphate-buffered saline, formamidopyrimidine-DNA glycosylase, and endonuclease-III, respectively, at 50 mM H2O2. Exposures to 0.5 mM H2O2 (100-fold dilution from recommended lice treatment concentration) induced oxidative DNA damage in all three species of sea urchins, suggesting interspecific differences in vulnerabilities to DNA damage and/or DNA repair mechanisms. Understanding impacts of environmental genotoxicants requires understanding species-specific susceptibilities to DNA damage, which can impact long-term stability in sea urchin populations in proximity to aquaculture farms.
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Affiliation(s)
- Fengjia Liu
- The Scottish Association for Marine Science, Oban, United Kingdom
| | - Kim S Last
- The Scottish Association for Marine Science, Oban, United Kingdom
| | - Theodore B Henry
- Institute of Earth and Life Sciences, School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh, United Kingdom,Center for Environmental Biotechnology, The University of Tennessee, Knoxville, Knoxville, TN, United States
| | - Helena C Reinardy
- Corresponding author. Scottish Association for Marine Science, Oban, Argyll PA37 1QA, UK. E-mail: ;
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Martino C, Chianese T, Chiarelli R, Roccheri MC, Scudiero R. Toxicological Impact of Rare Earth Elements (REEs) on the Reproduction and Development of Aquatic Organisms Using Sea Urchins as Biological Models. Int J Mol Sci 2022; 23:ijms23052876. [PMID: 35270017 PMCID: PMC8911218 DOI: 10.3390/ijms23052876] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 02/04/2023] Open
Abstract
The growing presence of lanthanides in the environment has drawn the attention of the scientific community on their safety and toxicity. The sources of lanthanides in the environment include diagnostic medicine, electronic devices, permanent magnets, etc. Their exponential use and the poor management of waste disposal raise serious concerns about the quality and safety of the ecosystems at a global level. This review focused on the impact of lanthanides in marine organisms on reproductive fitness, fertilization and embryonic development, using the sea urchin as a biological model system. Scientific evidence shows that exposure to lanthanides triggers a wide variety of toxic insults, including reproductive performance, fertilization, redox metabolism, embryogenesis, and regulation of embryonic gene expression. This was thoroughly demonstrated for gadolinium, the most widely used lanthanide in diagnostic medicine, whose uptake in sea urchin embryos occurs in a time- and concentration-dependent manner, correlates with decreased calcium absorption and primarily affects skeletal growth, with incorrect regulation of the skeletal gene regulatory network. The results collected on sea urchin embryos demonstrate a variable sensitivity of the early life stages of different species, highlighting the importance of testing the effects of pollution in different species. The accumulation of lanthanides and their emerging negative effects make risk assessment and consequent legislative intervention on their disposal mandatory.
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Affiliation(s)
- Chiara Martino
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Building 16, 90128 Palermo, Italy; (C.M.); (R.C.); (M.C.R.)
| | - Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy;
| | - Roberto Chiarelli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Building 16, 90128 Palermo, Italy; (C.M.); (R.C.); (M.C.R.)
| | - Maria Carmela Roccheri
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Building 16, 90128 Palermo, Italy; (C.M.); (R.C.); (M.C.R.)
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy;
- Correspondence:
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Chiaramonte M, Bonaventura R, Costa C, Zito F, Russo R. [6]-Gingerol dose-dependent toxicity, its role against lipopolysaccharide insult in sea urchin (Paracentrotus lividus Lamarck), and antimicrobial activity. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100833] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Chiarelli R, Martino C, Roccheri MC. Cadmium stress effects indicating marine pollution in different species of sea urchin employed as environmental bioindicators. Cell Stress Chaperones 2019; 24:675-687. [PMID: 31165437 PMCID: PMC6629738 DOI: 10.1007/s12192-019-01010-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/29/2019] [Accepted: 05/22/2019] [Indexed: 12/28/2022] Open
Abstract
In recent years, researches about the defense strategies induced by cadmium stress have greatly increased, invading several fields of scientific research. Mechanisms of cadmium-induced toxicity continue to be of interest for researchers given its ubiquitous nature and environmental distribution, where it often plays the role of pollutant for numerous organisms. The presence in the environment of this heavy metal has been constantly increasing because of its large employment in several industrial and agricultural activities. Cadmium does not have any biological role and, since it cannot be degraded by living organisms, it is irreversibly accumulated into cells, interacting with cellular components and molecular targets. Cadmium is one of the most studied heavy metal inductors of stress and a potent modulator of several processes such as apoptosis, autophagy, reactive oxygen species, protein kinase and phosphatase, mitochondrial function, metallothioneins, and heat-shock proteins. Sea urchins (adults, gametes, embryos, and larvae) offer an optimal opportunity to investigate the possible adaptive response of cells exposed to cadmium, since these cells are known to accumulate contaminants. In this review, we will examine several responses to stress induced by cadmium in different sea urchin species, with a focus on Paracentrotus lividus embryos. The sea urchin embryo represents a suitable system, as it is not subjected to legislation on animal welfare and can be easily used for toxicological studies and as a bioindicator of environmental pollution. Recently, it has been included into the guidelines for the use and interpretation of assays to monitor autophagy.
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Affiliation(s)
- Roberto Chiarelli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze Ed. 16, 90128 Palermo, Italy
| | - Chiara Martino
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze Ed. 16, 90128 Palermo, Italy
| | - Maria Carmela Roccheri
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze Ed. 16, 90128 Palermo, Italy
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De Guglielmo V, Puoti R, Notariale R, Maresca V, Ausió J, Troisi J, Verrillo M, Basile A, Febbraio F, Piscopo M. Alterations in the properties of sperm protamine-like II protein after exposure of Mytilus galloprovincialis (Lamarck 1819) to sub-toxic doses of cadmium. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 169:600-606. [PMID: 30496991 DOI: 10.1016/j.ecoenv.2018.11.069] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/17/2018] [Accepted: 11/16/2018] [Indexed: 05/25/2023]
Abstract
Protamine-like proteins (PL-II, PL-III and PL-IV) represent the major basic nuclear component of Mytilus galloprovincialis L sperm chromatin. The present study investigates the effects induced on the properties of PL-II protein after exposure of Mytilus galloprovincialis L for 24 h to 1.5 and 5 µM CdCl2. We found cadmium accumulation in protamine-like proteins with a linear grow up with the exposition dose. In particular, after 5 µM CdCl2 mussels exposure, the mobility of PL-II band changed in SDS-PAGE, suggesting structural rearrangement in presence of cadmium. Structural analysis using fluorescent probes, indicated that at 5 µM CdCl2 the complete conformational change of PL-II protein was reached. In the same condition of mussels exposure of 5 µM CdCl2, PL-II protein changed its DNA binding mode, which determined a closer DNA binding, because higher amount of NaCl were required for PL-II protein release by sperm nuclei. These results supported the hypothesis that mussel exposure to this CdCl2 dose, although lower to toxic ones, affects the properties of this protein and as a consequence chromatin organization of spermatozoa that is essential for the success of fertilization.
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Affiliation(s)
- Virgilia De Guglielmo
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy
| | - Raffaela Puoti
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy
| | - Rosaria Notariale
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy
| | - Viviana Maresca
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy
| | - Juan Ausió
- University of Victoria, Dept. of Biochemistry & Microbiology, Victoria, British Columbia, Canada
| | - Jacopo Troisi
- Theoreo srl-spin-off dell'Universita` degli Studi di Salerno, 84090 Salerno, Italy
| | - Mariavittoria Verrillo
- University of Naples Federico II, Dept. of Agricultural Sciences, Via Università 100, 84055 Portici, Italy
| | - Adriana Basile
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy
| | - Ferdinando Febbraio
- CNR, Institute of Protein Biochemistry, via Pietro Castellino 111, 80131 Naples, Italy.
| | - Marina Piscopo
- University of Naples Federico II, Dept. of Biology, via Cinthia, 80126 Naples, Italy.
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7
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Bonaventura R, Matranga V. Overview of the molecular defense systems used by sea urchin embryos to cope with UV radiation. MARINE ENVIRONMENTAL RESEARCH 2017; 128:25-35. [PMID: 27252015 DOI: 10.1016/j.marenvres.2016.05.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/19/2016] [Accepted: 05/23/2016] [Indexed: 05/20/2023]
Abstract
The sea urchin embryo is a well-recognized developmental biology model and its use in toxicological studies has been widely appreciated. Many studies have focused on the evaluation of the effects of chemical stressors and their mixture in marine ecosystems using sea urchin embryos. These are well equipped with defense genes used to cope with chemical stressors. Recently, ultraviolet radiation (UVR), particularly UVB (280-315 nm), received more attention as a physical stressor. Mainly in the Polar Regions, but also at temperate latitudes, the penetration of UVB into the oceans increases as a consequence of the reduction of the Earth's ozone layer. In general, UVR induces oxidative stress in marine organisms affecting molecular targets such as DNA, proteins, and lipids. Depending on the UVR dose, developing sea urchin embryos show morphological perturbations affecting mainly the skeleton formation and patterning. Nevertheless, embryos are able to protect themselves against excessive UVR, using mechanisms acting at different levels: transcriptional, translational and post-translational. In this review, we recommend the sea urchin embryo as a suitable model for testing physical stressors such as UVR and summarize the mechanisms adopted to deal with UVR. Moreover, we review UV-induced apoptotic events and the combined effects of UVR and other stressors.
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Affiliation(s)
- Rosa Bonaventura
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy.
| | - Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy
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Ruocco N, Varrella S, Romano G, Ianora A, Bentley MG, Somma D, Leonardi A, Mellone S, Zuppa A, Costantini M. Diatom-derived oxylipins induce cell death in sea urchin embryos activating caspase-8 and caspase 3/7. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 176:128-140. [PMID: 27130972 DOI: 10.1016/j.aquatox.2016.04.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 04/05/2016] [Accepted: 04/13/2016] [Indexed: 06/05/2023]
Abstract
Diatoms are an important class of unicellular algae that produce bioactive secondary metabolites with cytotoxic activity collectively termed oxylipins, including polyunsaturated aldehydes (PUAs), hydroxyacids (HEPEs), oxo-acids and epoxyalcohols. Previous results showed that at higher concentrations, the PUA decadienal induced apoptosis on copepods and sea urchin embryos via caspase-3 activation; at lower concentrations decadienal affected the expression levels of the caspase-8 gene in embryos of the sea urchin Paracentrotus lividus. In the present work, we studied the effects of other common oxylipins produced by diatoms: two PUAs (heptadienal and octadienal) and four hydroxyacids (5-, 9- 11- and 15-HEPE) on P. lividus cell death and caspase activities. Our results showed that (i) at higher concentrations PUAs and HEPEs induced apoptosis in sea urchin embryos, detected by microscopic observation and through the activation of caspase-3/7 and caspase-8 measured by luminescent assays; (ii) at low concentrations, PUAs and HEPEs affected the expression levels of caspase-8 and caspase-3/7 (isolated for the first time here in P. lividus) genes, detected by Real Time qPCR. These findings have interesting implications from the ecological point of view, given the importance of diatom blooms in nutrient-rich aquatic environments.
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Affiliation(s)
- Nadia Ruocco
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Stefano Varrella
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Giovanna Romano
- Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Adrianna Ianora
- Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Matt G Bentley
- Faculty of Science and Technology, C227 Christchurch House, Bournemouth University, Talbot Campus, Poole, UK
| | - Domenico Somma
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Napoli, Italy
| | - Antonio Leonardi
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Napoli, Italy
| | - Stefano Mellone
- Istituto di Endocrinologia e Oncologia Sperimentale, CNR, Napoli, Italy
| | - Antonio Zuppa
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy
| | - Maria Costantini
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy.
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Ahmady-Asbchin S. Response surface methodology for cadmium biosorption on Pseudomonas aeruginosa. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2016; 73:2608-2615. [PMID: 27232396 DOI: 10.2166/wst.2016.061] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this research the effects of various physicochemical factors on Cd(2+) biosorption such as initial metal concentration, pH and contact exposure time were studied. This study has shown a Cd(2+) biosorption, equilibrium time of about 5 min for Pseudomonas aeruginosa and the adsorption equilibrium data were well described by Langmuir equation. The maximum capacity for biosorption has been extrapolated to 0.56 mmol.g(-1) for P. aeruginosa. The thermodynamic properties ΔG(0), ΔH(0), and ΔS(0) of Cd(2+) for biosorption were analyzed by the equilibrium constant value obtained from experimented data at different temperatures. The results show that biosorption of Cd(2+) by P. aeruginosa are endothermic and spontaneous with ΔH value of 36.35 J.mol(-1). By response surface methodology, the quadratic model has adequately described the experimental data based on the adjusted determination coefficient (R(2) = 0.98). The optimum conditions for maximum uptake onto the biosorbent were established at 0.5 g.l(-1) biosorbent concentration, pH 6 for the aqueous solution, and a temperature of 30 °C.
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Affiliation(s)
- Salman Ahmady-Asbchin
- Department of Molecular and Cell Biology, Faculty of Basic Science, University of Mazandaran, P.O. Box 47416-95447, Babolsar, Iran E-mail: ;
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Bonaventura R, Russo R, Zito F, Matranga V. Combined Effects of Cadmium and UVB Radiation on Sea Urchin Embryos: Skeleton Impairment Parallels p38 MAPK Activation and Stress Genes Overexpression. Chem Res Toxicol 2015; 28:1060-9. [DOI: 10.1021/acs.chemrestox.5b00080] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Rosa Bonaventura
- Consiglio Nazionale delle Ricerche, Istituto
di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Roberta Russo
- Consiglio Nazionale delle Ricerche, Istituto
di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Francesca Zito
- Consiglio Nazionale delle Ricerche, Istituto
di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto
di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
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Russo R, Bonaventura R, Matranga V. Time- and dose-dependent gene expression in sea urchin embryos exposed to UVB. MARINE ENVIRONMENTAL RESEARCH 2014; 93:85-92. [PMID: 24011617 DOI: 10.1016/j.marenvres.2013.08.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 08/02/2013] [Accepted: 08/07/2013] [Indexed: 06/02/2023]
Abstract
The increase of UVB radiation reaching marine environment has harmful effects on living organisms. Paracentrotus lividus sea urchin embryos living in shallow water are exposed to radiations, providing a good model for studying the molecular mechanisms activated upon UV stress. Here, we report the modulated time- and dose-dependent expression of six genes, known to be involved in stress response, in embryos exposed at cleavage to 400 and 800 J/m(2) UVB, and collected at early (morula) and later (gastrula) stages. We analyzed their mRNA levels by QPCR and found that Pl-14-3-3 showed a dose-dependent induction, both early and late in development; Pl-c-jun was up-regulated proportionally to the UVB dose at early stages and only at 800 J/m(2) UVB at later stages; Pl-XPB-ERCC3, Pl-MT and Pl-NF-kB were highly up-regulated later in development at the high dose, with the exception of Pl-XPB-ERCC3 whose mRNA levels were high also at the lower dose; Pl-FOXO expression was not affected by UVB radiation. We believe that the identification of UVB-responsive genes in irradiated sea urchin embryos, reported for the first time in this study, will be helpful for the understanding of the involved molecular pathways. The correlation between the impaired morphogenesis, affecting endo-mesoderm differentiation, and gene modulations described herewith is also discussed.
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Affiliation(s)
- Roberta Russo
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy.
| | - Rosa Bonaventura
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy
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Heavy metals affect regulatory volume decrease (RVD) in nematocytes isolated from the jellyfish Pelagia noctiluca. Comp Biochem Physiol A Mol Integr Physiol 2013; 165:199-206. [DOI: 10.1016/j.cbpa.2013.03.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 02/26/2013] [Accepted: 03/03/2013] [Indexed: 12/20/2022]
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13
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Ragusa MA, Costa S, Gianguzza M, Roccheri MC, Gianguzza F. Effects of cadmium exposure on sea urchin development assessed by SSH and RT-qPCR: metallothionein genes and their differential induction. Mol Biol Rep 2012; 40:2157-67. [DOI: 10.1007/s11033-012-2275-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 11/19/2012] [Indexed: 10/27/2022]
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Matranga V, Pinsino A, Randazzo D, Giallongo A, Dubois P. Long-term environmental exposure to metals (Cu, Cd, Pb, Zn) activates the immune cell stress response in the common European sea star (Asterias rubens). MARINE ENVIRONMENTAL RESEARCH 2012; 76:122-127. [PMID: 22000270 DOI: 10.1016/j.marenvres.2011.09.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 09/12/2011] [Accepted: 09/15/2011] [Indexed: 05/31/2023]
Abstract
The common sea star Asterias rubens represents a key-species of the North-Eastern Atlantic macro benthic community. The cells of their immune system, known as coelomocytes, are the first line of defence against environmental hazards. Here, we report the results of investigations on the immune cells response of sea stars exposed to marine environmental pollution for long periods. We show that levels of the heat shock cognate protein 70 (HSC70) in coelomocytes from A. rubens, which were collected during a field study in the Sǿrfjord (North Sea, SW coast of Norway) along a contamination gradient, are directly associated with the long-term accumulation of Cd, Cu heavy metals exclusively in the tegument. Conversely, Pb and Zn accumulation in the tegument did not relate to HSC70 levels and none of the metals were found accumulated in the pyloric coeca. In addition the coelomocytes from A. rubens, collected in high and low metal impacted stations were examined by a proteomic approach using two-dimensional electrophoresis (2DE). By comparison of the proteomic maps, we observed that 31 protein spots differed in their relative abundance, indicating a gene expression response to the metal mixture exposure. All together, our results confirm that the echinoderm immune cells are a suitable model for the assessment of long-term exposure to environmental pollution, moreover that the increased level of HSC70 can be considered a signal of an acquired tolerance within a large spectrum of protein profile changes occurring in response to metal contamination.
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Affiliation(s)
- V Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia, Molecolare "Alberto Monroy", Via Ugo La Malfa 153, 90146 Palermo, Italy.
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Bonaventura R, Zito F, Costa C, Giarrusso S, Celi F, Matranga V. Stress response gene activation protects sea urchin embryos exposed to X-rays. Cell Stress Chaperones 2011; 16:681-7. [PMID: 21720812 PMCID: PMC3220391 DOI: 10.1007/s12192-011-0277-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Accepted: 06/15/2011] [Indexed: 12/22/2022] Open
Abstract
We used Paracentrotus lividus sea urchin embryos, a well-established model in developmental biology and ecotoxicology, for investigation on stress/anti-apoptotic protein expression elicited in response to harmful ionizing radiation, such as X-rays. We evaluated the acute effects of a high-dose exposure (5 Gy) on P. lividus analyzing by Western blotting the accumulation levels of HSP60, HSP70, BAG3 and a putative p63 at 24 and 48 h after irradiation. We found an increase in the HSP70, BAG3, and p63 protein levels only 48 h after irradiation, whereas no HSP60 increase was detected either at 24 or 48 h. Levels of the mRNA coding for HSP70 and p63 were also investigated by relative RT-PCR and were found to increase 24 h after irradiation, returning to their initial levels at 48 h. Results demonstrate the presence of an adaptive regulatory mechanism operating at the transcriptional level at 24 h, followed by a translational activation at 48 h post-irradiation. In conclusion, our findings confirm the sea urchin embryo as a sensible bioindicator of cell damage and we propose this model for studies on the protective pathways activated in response to X-rays. The novel result of the involvement of BAG3 and p63 in the response to X-rays, never tested so far in any other embryonic system, opens the way for their use as biomarkers of X-ray hazards.
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Affiliation(s)
- Rosa Bonaventura
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Francesca Zito
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Caterina Costa
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Salvatore Giarrusso
- INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Filippo Celi
- INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
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Echinoderms as Blueprints for Biocalcification: Regulation of Skeletogenic Genes and Matrices. MOLECULAR BIOMINERALIZATION 2011; 52:225-48. [DOI: 10.1007/978-3-642-21230-7_8] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Russo R, Zito F, Costa C, Bonaventura R, Matranga V. Transcriptional increase and misexpression of 14-3-3 epsilon in sea urchin embryos exposed to UV-B. Cell Stress Chaperones 2010; 15:993-1001. [PMID: 20607471 PMCID: PMC3024062 DOI: 10.1007/s12192-010-0210-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Revised: 06/15/2010] [Accepted: 06/17/2010] [Indexed: 12/19/2022] Open
Abstract
Members of the 14-3-3 protein family are involved in many important cellular events, including stress response, survival and apoptosis. Genes of the 14-3-3 family are conserved from plants to humans, and some members are responsive to UV radiation. Here, we report the isolation of the complete cDNA encoding the 14-3-3 epsilon isoform from Paracentrotus lividus sea urchin embryos, referred to as Pl14-3-3ε, and the phylogenetic relationship with other homologues described in different phyla. Pl14-3-3ε mRNA levels were measured by QPCR during development and found to increase from the mesenchyme blastula to the prism stage. In response to UV-B (312 nm) exposure, early stage embryos collected 2 h later showed a 2.3-fold (at 400 J/m(2)) and a 2.7-fold (at 800 J/m(2)) increase in Pl14-3-3ε transcript levels compared with controls. The spatial expression of Pl14-3-3ε mRNA, detected by whole mount in situ hybridization in both control and UV-B exposed embryos, harvested at late developmental stages, showed transcripts to be located in the archenteron of gastrula stage and widely distributed in all germ layers, respectively. The Pl14-3-3ε mRNA delocalization parallels the failure in archenteron elongation observed morphologically, as well as the lack of specific endoderm markers, investigated by indirect immuno-fluorescence on whole mount embryos. Results confirm the involvement of 14-3-3ε in the stress response elicited by UV-B and demonstrate, for the first time, its contribution at the transcriptional level in the sea urchin embryo.
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Affiliation(s)
- Roberta Russo
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare, “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Francesca Zito
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare, “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Caterina Costa
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare, “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Rosa Bonaventura
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare, “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare, “Alberto Monroy”, Via Ugo La Malfa 153, 90146 Palermo, Italy
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Assessment of DNA damage by RAPD in Paracentrotus lividus embryos exposed to amniotic fluid from residents living close to waste landfill sites. J Biomed Biotechnol 2010; 2010. [PMID: 20706694 PMCID: PMC2913803 DOI: 10.1155/2010/251767] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Revised: 04/15/2010] [Accepted: 06/15/2010] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to assess the genotoxic effects of environmental chemicals on residents living near landfills. The study was based on samples of amniotic fluid from women living in the intensely polluted areas around the Campania region of Italy compared to a nonexposed control group. We evaluated the genetic effects that this amniotic fluids collected in contaminated sites had on Paracentrotus lividus embryos. DNA damage was detected through changes in RAPD (Random Amplified Polymorphism DNA) profiles. The absence of the amplified DNA fragments indicated deletions in Paracentrotus lividus DNA exposed to the contaminated amniotic fluids when compared to equal exposure to uncontaminated fluids. These results show the ability of RAPD-PCR to detect and isolate DNA sequences representing genetic alterations induced in P. lividus embryos. Using this method, we identified two candidate target regions for DNA alterations in the genome of P. lividus. Our research indicates that RAPD-PCR in P. lividus embryo DNA can provide a molecular approach for studying DNA damage from pollutants that can impact human health. To our knowledge, this is the first time that assessment of DNA damage in P. lividus embryos has been tested using the RAPD strategy after exposure to amniotic fluid from residents near waste landfill sites.
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Matranga V, Zito F, Costa C, Bonaventura R, Giarrusso S, Celi F. Embryonic development and skeletogenic gene expression affected by X-rays in the Mediterranean sea urchin Paracentrotus lividus. ECOTOXICOLOGY (LONDON, ENGLAND) 2010; 19:530-537. [PMID: 19943107 DOI: 10.1007/s10646-009-0444-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/16/2009] [Indexed: 05/28/2023]
Abstract
International concern over environmental nuclear contamination of salt water fisheries and coastal resources has attracted the interests of ecologists, marine biologists and stakeholders. There are not many studies on the effects of X-rays, a component of radionuclides emissions, on embryonic development and gene expression. The sea urchin embryo is emerging as a useful model system for environmental and eco-toxicological studies. Here, we describe how X-rays affect development and gene expression in embryos of the Mediterranean sea urchin Paracentrotus lividus. Cleavage embryos were exposed to doses from 0.1 to 5 Gy, using an Ag source of X radiation. We found a dose-dependent increase in developmental delays and severe morphological defects in embryos microscopically inspected at two endpoints, 24 and 48 h after irradiation. By analogy with classical toxicity tests parameters we defined the No Observed Effect Dose at 0.1 Gy, the Lowest Observed Effect Dose at 0.5 Gy and ED50 at 1.0 Gy. Major perturbations concerned primitive intestine and skeleton differentiation and development: X-rays exposed embryos had both no gut and arms or poorly and abnormally developed ones. We found a dose-dependent reduction in the mRNA levels of two skeleton-specific genes, Pl-SM30 (spicule matrix 30) and Pl-msp130 (matrix spicule protein 130), as measured by semi-quantitative RT-PCR and whole mount in situ hybridization, respectively. These findings indicate the sea urchin embryo as a sensible bioindicator of X-radiation and propose its use as an alternative model, emphasizing the need for further investigation aimed to protect ecosystem health.
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Affiliation(s)
- Valeria Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare "Alberto Monroy", Palermo, Italy.
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Smith LC, Ghosh J, Buckley KM, Clow LA, Dheilly NM, Haug T, Henson JH, Li C, Lun CM, Majeske AJ, Matranga V, Nair SV, Rast JP, Raftos DA, Roth M, Sacchi S, Schrankel CS, Stensvåg K. Echinoderm Immunity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2010; 708:260-301. [DOI: 10.1007/978-1-4419-8059-5_14] [Citation(s) in RCA: 117] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Matranga V, Yokota Y. Responses of marine organisms to physical and chemical impacts. Cell Biol Toxicol 2008; 24:471-4. [PMID: 18982418 DOI: 10.1007/s10565-008-9109-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2008] [Accepted: 10/14/2008] [Indexed: 11/24/2022]
Abstract
Studies on the effects of a variety of exogenous and anthropogenic environmental factors, including endocrine disruptors, heavy metals, UV light, high temperature, and others, on marine organisms have been presented at the 2nd Bilateral Seminar Italy-Japan held in November 2006. Reports were discussed in order to reveal the current situation of marine ecosystems, aiming at evaluation and prediction of environmental risks.
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Affiliation(s)
- V Matranga
- Consiglio Nazionale delle Ricerche, Istituto di Biomedicina e Immunologia Molecolare Alberto Monroy, Palermo, Italy.
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Filosto S, Roccheri MC, Bonaventura R, Matranga V. Environmentally relevant cadmium concentrations affect development and induce apoptosis of Paracentrotus lividus larvae cultured in vitro. Cell Biol Toxicol 2008; 24:603-10. [PMID: 18322810 DOI: 10.1007/s10565-008-9066-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2007] [Accepted: 02/04/2008] [Indexed: 10/22/2022]
Abstract
Sea urchin embryos and larvae represent suitable model systems on where to investigate the effects of heavy metals on development and cell viability. Here, we tested the toxic effects of low (10(-12 )M), medium (10(-9 )M), and high (10(-6 )M) cadmium chloride concentrations, mimicking unpolluted, moderately and highly polluted seawaters, respectively, on Paracentrotus lividus sea urchins offspring. Larvae were continuously treated from fertilization and inspected at time intervals comprised between 10 and 30 days of development. Delays and/or morphological abnormalities were firstly evident in larvae treated for 15 days with high cadmium (10(-6 )M) and for 25 days with medium cadmium (10(-9 )M). Major defects consisted in the reduction and lack of arms and skeleton elongation. No obvious differences with respect to controls were observed in embryos/larvae exposed to low cadmium (10(-12) M), even after 30 days of exposure. Using in situ terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay (TUNEL) assay on larvae whole mounts, we detected apoptosis after 10 days of treatment with 10(-6) and 10(-9) M CdCl(2,) when no morphological abnormalities were recognizable yet. Supernumerary apoptotic cells were found in arm buds, ciliary bands, and apex. In conclusion, echinoderm embryos and larvae represent candidates of choice for the study of stress and defense mechanisms activated by cadmium exposure.
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Affiliation(s)
- Simone Filosto
- Dipartimento di Biologia Cellulare e dello Sviluppo A Monroy, University of Palermo, Viale delle Scienze, Palermo, Italy
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Pankow S, Bamberger C. The p53 tumor suppressor-like protein nvp63 mediates selective germ cell death in the sea anemone Nematostella vectensis. PLoS One 2007; 2:e782. [PMID: 17848985 PMCID: PMC1964547 DOI: 10.1371/journal.pone.0000782] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2007] [Accepted: 07/22/2007] [Indexed: 11/29/2022] Open
Abstract
Here we report the identification and molecular function of the p53 tumor suppressor-like protein nvp63 in a non-bilaterian animal, the starlet sea anemone Nematostella vectensis. So far, p53-like proteins had been found in bilaterians only. The evolutionary origin of p53-like proteins is highly disputed and primordial p53-like proteins are variably thought to protect somatic cells from genotoxic stress. Here we show that ultraviolet (UV) irradiation at low levels selectively induces programmed cell death in early gametes but not somatic cells of adult N. vectensis polyps. We demonstrate with RNA interference that nvp63 mediates this cell death in vivo. Nvp63 is the most archaic member of three p53-like proteins found in N. vectensis and in congruence with all known p53-like proteins, nvp63 binds to the vertebrate p53 DNA recognition sequence and activates target gene transcription in vitro. A transactivation inhibitory domain at its C-terminus with high homology to the vertebrate p63 may regulate nvp63 on a molecular level. The genotoxic stress induced and nvp63 mediated apoptosis in N. vectensis gametes reveals an evolutionary ancient germ cell protective pathway which relies on p63-like proteins and is conserved from cnidarians to vertebrates.
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Affiliation(s)
- Sandra Pankow
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California, United States of America
| | - Casimir Bamberger
- Sundgauallee 64, Freiburg, Germany
- * To whom correspondence should be addressed. E-mail:
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