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Carella F, Prado P, De Vico G, Palić D, Villari G, García-March JR, Tena-Medialdea J, Cortés Melendreras E, Giménez-Casalduero F, Sigovini M, Aceto S. A widespread picornavirus affects the hemocytes of the noble pen shell ( Pinna nobilis), leading to its immunosuppression. Front Vet Sci 2023; 10:1273521. [PMID: 38164394 PMCID: PMC10758234 DOI: 10.3389/fvets.2023.1273521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 11/13/2023] [Indexed: 01/03/2024] Open
Abstract
Introduction The widespread mass mortality of the noble pen shell (Pinna nobilis) has occurred in several Mediterranean countries in the past 7 years. Single-stranded RNA viruses affecting immune cells and leading to immune dysfunction have been widely reported in human and animal species. Here, we present data linking P. nobilis mass mortality events (MMEs) to hemocyte picornavirus (PV) infection. This study was performed on specimens from wild and captive populations. Methods We sampled P. nobilis from two regions of Spain [Catalonia (24 animals) and Murcia (four animals)] and one region in Italy [Venice (6 animals)]. Each of them were analyzed using transmission electron microscopy (TEM) to describe the morphology and self-assembly of virions. Illumina sequencing coupled to qPCR was performed to describe the identified virus and part of its genome. Results and discussion In 100% of our samples, ultrastructure revealed the presence of a virus (20 nm diameter) capable of replicating within granulocytes and hyalinocytes, leading to the accumulation of complex vesicles of different dimensions within the cytoplasm. As the PV infection progressed, dead hemocytes, infectious exosomes, and budding of extracellular vesicles were visible, along with endocytic vesicles entering other cells. The THC (total hemocyte count) values observed in both captive (eight animals) (3.5 × 104-1.60 × 105 ml-1 cells) and wild animals (14 samples) (1.90-2.42 × 105 ml-1 cells) were lower than those reported before MMEs. Sequencing of P. nobilis (six animals) hemocyte cDNA libraries revealed the presence of two main sequences of Picornavirales, family Marnaviridae. The highest number of reads belonged to animals that exhibited active replication phases and abundant viral particles from transmission electron microscopy (TEM) observations. These sequences correspond to the genus Sogarnavirus-a picornavirus identified in the marine diatom Chaetoceros tenuissimus (named C. tenuissimus RNA virus type II). Real-time PCR performed on the two most abundant RNA viruses previously identified by in silico analysis revealed positive results only for sequences similar to the C. tenuissimus RNA virus. These results may not conclusively identify picornavirus in noble pen shell hemocytes; therefore, further study is required. Our findings suggest that picornavirus infection likely causes immunosuppression, making individuals prone to opportunistic infections, which is a potential cause for the MMEs observed in the Mediterranean.
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Affiliation(s)
- Francesca Carella
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Patricia Prado
- Institute of Agrifood Research and Technology (IRTA)-Sant Carles de la Ràpita, Tarragona, Spain
| | - Gionata De Vico
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Dušan Palić
- Chair for Fish Diseases and Fisheries Biology, Faculty of Veterinary Medicine, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Grazia Villari
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - José Rafael García-March
- Instituto de Investigación en Medio Ambiente y Ciencia Marina, Universidad Católica de Valencia, Calpe, Spain
| | - José Tena-Medialdea
- Instituto de Investigación en Medio Ambiente y Ciencia Marina, Universidad Católica de Valencia, Calpe, Spain
| | | | - Francisca Giménez-Casalduero
- Department of Marine Science and Applied Biology, Research Marine Centre in Santa Pola (CIMAR), University of Alicante, Alicante, Spain
| | - Marco Sigovini
- Consiglio Nazionale delle Ricerche, Istituto di Scienze Marine, Venice, Italy
| | - Serena Aceto
- Department of Biology, University of Naples Federico II, Naples, Italy
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Tagliapietra D, Guarneri I, Keppel E, Sigovini M. After a century in the Mediterranean, the warm-water shipworm Teredo bartschi invades the Lagoon of Venice (Italy), overwintering a few degrees above zero. Biol Invasions 2021. [DOI: 10.1007/s10530-021-02461-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Affiliation(s)
- Marco Sigovini
- CNR – National Research Council of Italy ISMAR – Marine Sciences Institute Arsenale Tesa 104 Castello 2737/F I‐30122 Venice Italy
| | - Erica Keppel
- CNR – National Research Council of Italy ISMAR – Marine Sciences Institute Arsenale Tesa 104 Castello 2737/F I‐30122 Venice Italy
- Smithsonian Environmental Research Center (SERC) 647, Contees Wharf Road Edgewater MD 21037 USA
| | - Davide Tagliapietra
- CNR – National Research Council of Italy ISMAR – Marine Sciences Institute Arsenale Tesa 104 Castello 2737/F I‐30122 Venice Italy
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Lorenti M, Keppel E, Petrocelli A, Sigovini M, Tagliapietra D. The non-indigenous Paranthura japonica Richardson, 1909 (Isopoda: Anthuroidea: Paranthuridae) from the Mar Piccolo lagoon, Taranto (Italy, Mediterranean Sea). Environ Sci Pollut Res Int 2016; 23:12791-12796. [PMID: 26174984 DOI: 10.1007/s11356-015-4994-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 06/30/2015] [Indexed: 06/04/2023]
Abstract
Several individuals of Paranthura japonica, a non-indigenous isopod species, recently recorded on Italian coasts, have been collected from the Mar Piccolo basin, Taranto (Italy). This finding extends the distributional range of the species southwards in the Mediterranean, including a semi-enclosed coastal basin, which is considered the second Italian hotspot for the introduction of alien species. The characteristics of the place reinforce the hypothesis that its introduction is linked to shellfish trade and farming. Remarks on the morphology and ecology are included.
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Affiliation(s)
- Maurizio Lorenti
- Stazione Zoologica Anton Dohrn, Center of Villa Dohrn-Benthic Ecology, Punta San Pietro, 80077, Ischia, NA, Italy
| | - Erica Keppel
- CNR National Research Council of Italy, ISMAR Marine Sciences Institute, Arsenale-Tesa 104, Castello 2737/F, 30122, Venice, Italy
- SERC Smithsonian Environmental Research Center, Edgewater, MD, USA
| | - Antonella Petrocelli
- CNR National Research Council of Italy, IAMC Institute for Coastal Marine Environment, via Roma 3, 74123, Taranto, Italy
| | - Marco Sigovini
- CNR National Research Council of Italy, ISMAR Marine Sciences Institute, Arsenale-Tesa 104, Castello 2737/F, 30122, Venice, Italy
| | - Davide Tagliapietra
- CNR National Research Council of Italy, ISMAR Marine Sciences Institute, Arsenale-Tesa 104, Castello 2737/F, 30122, Venice, Italy.
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Dominik J, Tagliapietra D, Bravo AG, Sigovini M, Spangenberg JE, Amouroux D, Zonta R. Mercury in the food chain of the Lagoon of Venice, Italy. Mar Pollut Bull 2014; 88:194-206. [PMID: 25287224 DOI: 10.1016/j.marpolbul.2014.09.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2013] [Revised: 09/03/2014] [Accepted: 09/06/2014] [Indexed: 06/03/2023]
Abstract
Sediments and biota samples were collected in a restricted area of the Lagoon of Venice and analysed for total mercury, monomethyl mercury (MMHg), and nitrogen and carbon isotopes. Results were used to examine mercury biomagnification in a complex food chain. Sedimentary organic matter (SOM) proved to be a major source of nutrients and mercury to primary consumers. Contrary to inorganic mercury, MMHg was strongly biomagnified along the food chain, although the lognormal relationship between MMHg and δ(15)N was less constrained than generally reported from lakes or coastal marine ecosystems. The relationship improved when logMMHg concentrations were plotted against trophic positions derived from baseline δ(15)N estimate for primary consumers. From the regression slope a mean MMHg trophic magnification factor of 10 was obtained. Filter-feeding benthic bivalves accumulated more MMHg than other primary consumers and were probably important in MMHg transfer from sediments to higher levels of the food chain.
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Affiliation(s)
- Janusz Dominik
- Istituto di Scienze Marine - Consiglio Nazionale delle Ricerche, Arsenale - Tesa 104, Castello 2737/F 30122 Venezia, Italy; Institute F.-A. Forel, Université de Genève, CP 416, 1290 Versoix, Switzerland.
| | - Davide Tagliapietra
- Istituto di Scienze Marine - Consiglio Nazionale delle Ricerche, Arsenale - Tesa 104, Castello 2737/F 30122 Venezia, Italy
| | - Andrea G Bravo
- Institute F.-A. Forel, Université de Genève, CP 416, 1290 Versoix, Switzerland
| | - Marco Sigovini
- Istituto di Scienze Marine - Consiglio Nazionale delle Ricerche, Arsenale - Tesa 104, Castello 2737/F 30122 Venezia, Italy
| | - Jorge E Spangenberg
- Institute of Earth Surface Dynamics, University of Lausanne, CH 1015 Lausanne, Switzerland
| | - David Amouroux
- IPREM-LCABIE, UMR 5254 CNRS - Université de Pau et des Pays de l'Adour, Hélioparc, 2 av P. Angot, 64053 Pau, France
| | - Roberto Zonta
- Istituto di Scienze Marine - Consiglio Nazionale delle Ricerche, Arsenale - Tesa 104, Castello 2737/F 30122 Venezia, Italy
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Brigolin D, Facca C, Franco A, Franzoi P, Pastres R, Sfriso A, Sigovini M, Soldatini C, Tagliapietra D, Torricelli P, Zucchetta M, Pranovi F. Linking food web functioning and habitat diversity for an ecosystem based management: a Mediterranean lagoon case-study. Mar Environ Res 2014; 97:58-66. [PMID: 24656573 DOI: 10.1016/j.marenvres.2014.02.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Revised: 02/21/2014] [Accepted: 02/28/2014] [Indexed: 06/03/2023]
Abstract
We propose a modelling approach relating the functioning of a transitional ecosystem with the spatial extension of its habitats. A test case is presented for the lagoon of Venice, discussing the results in the context of the application of current EU directives. The effects on food web functioning due to changes related to manageable and unmanageable drivers were investigated. The modelling procedure involved the use of steady-state food web models and network analysis, respectively applied to estimate the fluxes of energy associated with trophic interactions, and to compute indices of food web functioning. On the long term (hundred years) temporal scale, the model indicated that the expected loss of salt marshes will produce further changes at the system level, with a lagoon showing a decrease in the energy processing efficiency. On the short term scale, simulation results indicated that fishery management accompanied by seagrass restoration measures would produce a slight transition towards a more healthy system, with higher energy cycling, and maintaining a good balance between processing efficiency and resilience. Scenarios presented suggest that the effectiveness of short term management strategies can be better evaluated when contextualized in the long term trends of evolution of a system. We also remark the need for further studying the relationship between habitat diversity and indicators of food web functioning.
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Affiliation(s)
- D Brigolin
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy.
| | - C Facca
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - A Franco
- Institute of Estuarine and Coastal Studies, University of Hull, United Kingdom
| | - P Franzoi
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - R Pastres
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - A Sfriso
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - M Sigovini
- CNR - National Research Council of Italy, ISMAR - Marine Sciences Institute, Arsenale-Tesa 104, Castello 2737/F, 30122 Venice, Italy
| | - C Soldatini
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - D Tagliapietra
- CNR - National Research Council of Italy, ISMAR - Marine Sciences Institute, Arsenale-Tesa 104, Castello 2737/F, 30122 Venice, Italy
| | - P Torricelli
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - M Zucchetta
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
| | - F Pranovi
- Centre for Estuarine and Coastal Marine Sciences, DAIS, Ca' Foscari University of Venice, Italy
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Dreier A, Stannek L, Blumenberg M, Taviani M, Sigovini M, Wrede C, Thiel V, Hoppert M. The fingerprint of chemosymbiosis: origin and preservation of isotopic biosignatures in the nonseep bivalve Loripes lacteus compared with Venerupis aurea. FEMS Microbiol Ecol 2012; 81:480-93. [DOI: 10.1111/j.1574-6941.2012.01374.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 03/16/2012] [Accepted: 03/19/2012] [Indexed: 12/01/2022] Open
Affiliation(s)
| | - Lorena Stannek
- Institute of Microbiology and Genetics; University of Goettingen; Goettingen; Germany
| | - Martin Blumenberg
- Courant Centre Geobiology; University of Goettingen; Goettingen; Germany
| | | | | | - Christoph Wrede
- Institute of Microbiology and Genetics; University of Goettingen; Goettingen; Germany
| | - Volker Thiel
- Courant Centre Geobiology; University of Goettingen; Goettingen; Germany
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Solidoro C, Bandelj V, Bernardi F, Camatti E, Ciavatta S, Cossarini G, Facca C, Franzoi P, Libralato S, Canu D, Pastres R, Pranovi F, Raicevich S, Socal G, Sfriso A, Sigovini M, Tagliapietra D, Torricelli P. Response of the Venice Lagoon Ecosystem to Natural and Anthropogenic Pressures over the Last 50 Years. Coastal Lagoons 2010. [DOI: 10.1201/ebk1420088304-c19] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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