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Meriggi N, Russo A, Renzi S, Cerasuolo B, Nerini M, Ugolini A, Marvasi M, Cavalieri D. Enhancing seafood traceability: tracking the origin of seabass and seabream from the tuscan coast area by the analysis of the gill bacterial communities. Anim Microbiome 2024; 6:13. [PMID: 38486253 PMCID: PMC10938666 DOI: 10.1186/s42523-024-00300-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 03/04/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND The seafood consumption and trade have increased over the years, and along its expected expansion pose major challenges to the seafood industry and government institutions. In particular, the global trade in fish products and the consequent consumption are linked to reliable authentication, necessary to guarantee lawful trade and healthy consumption. Alterations or errors in this process can lead to commercial fraud and/or health threats. Consequently, the development of new investigative tools became crucial in ensuring unwanted scenarios. Here we used NGS techniques through targeted metagenomics approach on the V3-V4 region of the 16S rRNA genes to characterize the gill bacterial communities in wild-caught seabream (Sparus aurata) and seabass (Dicentrarchus labrax) within different fisheries areas of the "Costa degli Etruschi'' area in the Tuscan coast. Our challenge involved the possibility of discriminating between the microbiota of both fish species collected from three different fishing sites very close to each other (all within 100 km) in important areas from a commercial and tourist point of view. RESULTS Our results showed a significant difference in the assembly of gill bacterial communities in terms of diversity (alpha and beta diversity) of both seabass and seabream in accordance with the three fishing areas. These differences were represented by a unique site -related bacterial signature, more evident in seabream compared to the seabass. Accordingly, the core membership of seabream specimens within the three different sites was minimal compared to the seabass which showed a greater number of sequence variants shared among the different fishing sites. Therefore, the LRT analysis highlighted the possibility of obtaining specific fish bacterial signatures associated with each site; it is noteworthy that specific taxa showed a unique association with the fishing site regardless of the fish species. This study demonstrates the effectiveness of target-metagenomic sequencing of gills in discriminating bacterial signatures of specimens collected from fishing areas located at a limited distance to each other. CONCLUSIONS This study provides new information relating the structure of the gill microbiota of seabass and seabream in a fishing area with a crucial commercial and tourist interest, namely "Costa degli Etruschi". This study demonstrated that microbiome-based approaches can represent an important tool for validating the seafood origins with a central applicative perspective in the seafood traceability system.
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Affiliation(s)
- Niccolò Meriggi
- Institute of Agricultural Biology and Biotechnology (IBBA), National Research Council (CNR), Pisa, IT56124, Italia
| | - Alessandro Russo
- Department of Biology, University of Florence, Sesto Fiorentino, IT50019, Italy
| | - Sonia Renzi
- Department of Biology, University of Florence, Sesto Fiorentino, IT50019, Italy
| | - Benedetta Cerasuolo
- Department of Biology, University of Florence, Sesto Fiorentino, IT50019, Italy
| | - Marta Nerini
- Department of Biology, University of Florence, Sesto Fiorentino, IT50019, Italy
| | - Alberto Ugolini
- Department of Biology, University of Florence, Florence, IT50125, Italia
| | | | - Duccio Cavalieri
- Department of Biology, University of Florence, Sesto Fiorentino, IT50019, Italy.
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Nenciarini S, Amoriello R, Bacci G, Cerasuolo B, Di Paola M, Nardini P, Papini A, Ballerini C, Cavalieri D. Yeast strains isolated from fermented beverage produce extracellular vesicles with anti-inflammatory effects. Sci Rep 2024; 14:730. [PMID: 38184708 PMCID: PMC10771474 DOI: 10.1038/s41598-024-51370-7] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/04/2024] [Indexed: 01/08/2024] Open
Abstract
Extracellular vesicles (EVs) are lipid-bilayered particles, containing various biomolecules, including nucleic acids, lipids, and proteins, released by cells from all the domains of life and performing multiple communication functions. Evidence suggests that the interaction between host immune cells and fungal EVs induces modulation of the immune system. Most of the studies on fungal EVs have been conducted in the context of fungal infections; therefore, there is a knowledge gap in what concerns the production of EVs by yeasts in other contexts rather than infection and that may affect human health. In this work, we characterized EVs obtained by Saccharomyces cerevisiae and Pichia fermentans strains isolated from a fermented milk product with probiotic properties. The immunomodulation abilities of EVs produced by these strains have been studied in vitro through immune assays after internalization from human monocyte-derived dendritic cells. Results showed a significant reduction in antigen presentation activity of dendritic cells treated with the fermented milk EVs. The small RNA fraction of EVs contained mainly yeast mRNA sequences, with a few molecular functions enriched in strains of two different species isolated from the fermented milk. Our results suggest that one of the mechanisms behind the anti-inflammatory properties of probiotic foods could be mediated by the interactions of human immune cells with yeast EVs.
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Affiliation(s)
| | - Roberta Amoriello
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Giovanni Bacci
- Department of Biology, University of Florence, Florence, Italy
| | | | - Monica Di Paola
- Department of Biology, University of Florence, Florence, Italy
| | - Patrizia Nardini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Alessio Papini
- Department of Biology, University of Florence, Florence, Italy
| | - Clara Ballerini
- Department of Experimental and Clinical Medicine, University of Florence, Viale G. Pieraccini 6, 50139, Florence, Italy.
| | - Duccio Cavalieri
- Department of Biology, University of Florence, Via Madonna del Piano 6, 50019, Sesto Fiorentino, Florence, Italy.
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Di Paola M, Gori A, Stefanini I, Meriggi N, Renzi S, Nenciarini S, Cerasuolo B, Moriondo M, Romoli R, Pieraccini G, Baracchi D, Turillazzi F, Turillazzi S, Cavalieri D. Using wasps as a tool to restore a functioning vine grape mycobiota and preserve the mycobial "terroir". Sci Rep 2023; 13:16544. [PMID: 37783736 PMCID: PMC10545793 DOI: 10.1038/s41598-023-43541-9] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/25/2023] [Indexed: 10/04/2023] Open
Abstract
In the last one-hundred years, the exponential expansion of wine making has artificialized the agricultural landscape as well as its microbial diversity, spreading human selected Saccharomyces cerevisiae strains. Evidence showed that social wasps can harbor a significant fraction of the yeast phenotypic diversity of a given area of wine production, allowing different strains to overwinter and mate in their gut. The integrity of the wasp-yeast ecological interaction is of paramount importance to maintain the resilience of microbial populations associated to wine aromatic profiles. In a field experiment, we verified whether Polistes dominula wasps, reared in laboratory and fed with a traceable S. cerevisiae strain, could be a useful tool to drive the controlled yeast dispersion directly on grapes. The demonstration of the biotechnological potential of social insects in organic wine farming lays the foundations for multiple applications including maintenance of microbial biodiversity and rewilding vineyards through the introduction of wasp associated microbiomes.
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Affiliation(s)
- Monica Di Paola
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Agnese Gori
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Irene Stefanini
- Department of Life Sciences and Systems Biology, University of Turin, Turin, Italy
| | - Niccolò Meriggi
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Sonia Renzi
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Stefano Nenciarini
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Benedetta Cerasuolo
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Marco Moriondo
- National Research Council, Bioeconomy Institute, Sesto Fiorentino, 50019, Florence, Italy
| | - Riccardo Romoli
- Mass Spectrometry Centre (CISM), University of Florence, via U. Schiff, 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Giuseppe Pieraccini
- Mass Spectrometry Centre (CISM), University of Florence, via U. Schiff, 6, Sesto Fiorentino, 50019, Florence, Italy
| | - David Baracchi
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
| | - Francesco Turillazzi
- LABREMMA-Laboratory for Medical Entomotherapy, Microbiology and Environment, University of Florence, Sesto Fiorentino, 50019, Florence, Italy
| | - Stefano Turillazzi
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy
- LABREMMA-Laboratory for Medical Entomotherapy, Microbiology and Environment, University of Florence, Sesto Fiorentino, 50019, Florence, Italy
| | - Duccio Cavalieri
- Department of Biology, University of Florence, via Madonna del Piano 6, Sesto Fiorentino, 50019, Florence, Italy.
- LABREMMA-Laboratory for Medical Entomotherapy, Microbiology and Environment, University of Florence, Sesto Fiorentino, 50019, Florence, Italy.
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