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Prof. Antonio Dell’Anno
Polytechnic University of Marche - Department of Life and Environmental Science

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0 Bioremediation
0 Impact Assessment
0 Molecular Ecology
0 Restoration Ecology
0 Marine Biodiversity

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Bioremediation
marine ecosystems
Impact Assessment
Global climate change
Molecular Ecology
Marine Biodiversity

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Review
Published: 10 August 2021 in Microorganisms
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Petroleum hydrocarbons (PHCs) are one of the most widespread and heterogeneous organic contaminants affecting marine ecosystems. The contamination of marine sediments or coastal areas by PHCs represents a major threat for the ecosystem and human health, calling for urgent, effective, and sustainable remediation solutions. Aside from some physical and chemical treatments that have been established over the years for marine sediment reclamation, bioremediation approaches based on the use of microorganisms are gaining increasing attention for their eco-compatibility, and lower costs. In this work, we review current knowledge concerning the bioremediation of PHCs in marine systems, presenting a synthesis of the most effective microbial taxa (i.e., bacteria, fungi, and microalgae) identified so far for hydrocarbon removal. We also discuss the challenges offered by innovative molecular approaches for the design of effective reclamation strategies based on these three microbial components of marine sediments contaminated by hydrocarbons.

ACS Style

Filippo Dell’ Anno; Eugenio Rastelli; Clementina Sansone; Christophe Brunet; Adrianna Ianora; Antonio Dell’ Anno. Bacteria, Fungi and Microalgae for the Bioremediation of Marine Sediments Contaminated by Petroleum Hydrocarbons in the Omics Era. Microorganisms 2021, 9, 1695 .

AMA Style

Filippo Dell’ Anno, Eugenio Rastelli, Clementina Sansone, Christophe Brunet, Adrianna Ianora, Antonio Dell’ Anno. Bacteria, Fungi and Microalgae for the Bioremediation of Marine Sediments Contaminated by Petroleum Hydrocarbons in the Omics Era. Microorganisms. 2021; 9 (8):1695.

Chicago/Turabian Style

Filippo Dell’ Anno; Eugenio Rastelli; Clementina Sansone; Christophe Brunet; Adrianna Ianora; Antonio Dell’ Anno. 2021. "Bacteria, Fungi and Microalgae for the Bioremediation of Marine Sediments Contaminated by Petroleum Hydrocarbons in the Omics Era." Microorganisms 9, no. 8: 1695.

Review
Published: 20 July 2021 in International Journal of Environmental Science and Technology
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Sediment contamination with polycyclic aromatic hydrocarbons represents a major environmental concern worldwide. The different remediation strategies proposed are mainly based on physico-chemical and biological approaches. Physico-chemical methods (also referred to as conventional methods), although more efficient in several cases, are considered as less sustainable as a result of their higher environmental and economic costs. Biotechnological methods on the other hand, which make use of microorganisms and/or their metabolic products, have received increased attention as a more environment friendly and less costly alternative, although usually more time consuming. The various biotechnological approaches developed and patented on bioremediation of sediments polluted with polycyclic aromatic hydrocarbons are presented in this review, as well as some soil bioremediation methods considered applicable to sediments. Patents on sediment microbial fuel cells and other electrokinetic approaches are also included as considerable advances have been made in this field. Over 150 patents dating from 1995 to 2019 were collected from Espacenet platform, a worldwide patent database and considered in the present review. Overall, this review highlighting strengths and weaknesses of the various biotechnological approaches developed and patented, so far, can be useful to address further studies to improve bioremediation performance and can represent a benchmark of information for bioremediation companies to identify and explore the most promising field applicable approaches.

ACS Style

F. Beolchini; M. Hekeu; A. Amato; A. Becci; A. B. Ribeiro; E. P. Mateus; A. Dell’Anno. Bioremediation of sediments contaminated with polycyclic aromatic hydrocarbons: the technological innovation patented review. International Journal of Environmental Science and Technology 2021, 1 -24.

AMA Style

F. Beolchini, M. Hekeu, A. Amato, A. Becci, A. B. Ribeiro, E. P. Mateus, A. Dell’Anno. Bioremediation of sediments contaminated with polycyclic aromatic hydrocarbons: the technological innovation patented review. International Journal of Environmental Science and Technology. 2021; ():1-24.

Chicago/Turabian Style

F. Beolchini; M. Hekeu; A. Amato; A. Becci; A. B. Ribeiro; E. P. Mateus; A. Dell’Anno. 2021. "Bioremediation of sediments contaminated with polycyclic aromatic hydrocarbons: the technological innovation patented review." International Journal of Environmental Science and Technology , no. : 1-24.

Review
Published: 17 May 2021 in Journal of Fungi
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The Antarctic Ocean is one of the most remote and inaccessible environments on our planet and hosts potentially high biodiversity, being largely unexplored and undescribed. Fungi have key functions and unique physiological and morphological adaptations even in extreme conditions, from shallow habitats to deep-sea sediments. Here, we summarized information on diversity, the ecological role, and biotechnological potential of marine fungi in the coldest biome on Earth. This review also discloses the importance of boosting research on Antarctic fungi as hidden treasures of biodiversity and bioactive molecules to better understand their role in marine ecosystem functioning and their applications in different biotechnological fields.

ACS Style

Stefano Varrella; Giulio Barone; Michael Tangherlini; Eugenio Rastelli; Antonio Dell’Anno; Cinzia Corinaldesi. Diversity, Ecological Role and Biotechnological Potential of Antarctic Marine Fungi. Journal of Fungi 2021, 7, 391 .

AMA Style

Stefano Varrella, Giulio Barone, Michael Tangherlini, Eugenio Rastelli, Antonio Dell’Anno, Cinzia Corinaldesi. Diversity, Ecological Role and Biotechnological Potential of Antarctic Marine Fungi. Journal of Fungi. 2021; 7 (5):391.

Chicago/Turabian Style

Stefano Varrella; Giulio Barone; Michael Tangherlini; Eugenio Rastelli; Antonio Dell’Anno; Cinzia Corinaldesi. 2021. "Diversity, Ecological Role and Biotechnological Potential of Antarctic Marine Fungi." Journal of Fungi 7, no. 5: 391.

Journal article
Published: 30 March 2021 in Communications Biology
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Microplastics are recognised as a potential global threat to marine ecosystems, but the biological mechanisms determining their impact on marine life are still largely unknown. Here, we investigated the effects of microplastics on the red coral, a long-lived habitat-forming organism belonging to the Corallium genus, which is present at almost all latitudes from shallow-water to deep-sea habitats. When exposed to microplastics, corals preferentially ingest polypropylene, with multiple biological effects, from feeding impairment to mucus production and altered gene expression. Microplastics can alter the coral microbiome directly and indirectly by causing tissue abrasions that allow the proliferation of opportunistic bacteria. These multiple effects suggest that microplastics at the concentrations present in some marine areas and predicted for most oceans in the coming decades, can ultimately cause coral death. Other habitat-forming suspension-feeding species are likely subjected to similar impacts, which may act synergistically with climate-driven events primarily responsible for mass mortalities.

ACS Style

Cinzia Corinaldesi; Sara Canensi; Antonio Dell’Anno; Michael Tangherlini; Iole Di Capua; Stefano Varrella; Trevor J. Willis; Carlo Cerrano; Roberto Danovaro. Multiple impacts of microplastics can threaten marine habitat-forming species. Communications Biology 2021, 4, 1 -13.

AMA Style

Cinzia Corinaldesi, Sara Canensi, Antonio Dell’Anno, Michael Tangherlini, Iole Di Capua, Stefano Varrella, Trevor J. Willis, Carlo Cerrano, Roberto Danovaro. Multiple impacts of microplastics can threaten marine habitat-forming species. Communications Biology. 2021; 4 (1):1-13.

Chicago/Turabian Style

Cinzia Corinaldesi; Sara Canensi; Antonio Dell’Anno; Michael Tangherlini; Iole Di Capua; Stefano Varrella; Trevor J. Willis; Carlo Cerrano; Roberto Danovaro. 2021. "Multiple impacts of microplastics can threaten marine habitat-forming species." Communications Biology 4, no. 1: 1-13.

Microbiology
Published: 01 March 2021 in Frontiers in Microbiology
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Coastal areas impacted by high anthropogenic pressures typically display sediment contamination by polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs). Microbial-based bioremediation represents a promising strategy for sediment reclamation, yet it frequently fails due to poor knowledge of the diversity and dynamics of the autochthonous microbial assemblages and to the inhibition of the target microbes in the contaminated matrix. In the present study, we used an integrated approach including a detailed environmental characterization, high-throughput sequencing and culturing to identify autochthonous bacteria with bioremediation potential in the sediments of Bagnoli-Coroglio (Gulf of Naples, Mediterranean Sea), a coastal area highly contaminated by PAHs, aliphatic hydrocarbons and HMs. The analysis of the benthic prokaryotic diversity showed that the distribution of the dominant taxon (Gammaproteobacteria) was mainly influenced by PAHs, As, and Cd concentrations. The other abundant taxa (including Alphaproteobacteria, Deltaproteobacteria, Bacteroidetes, Acidobacteria, Actinobacteria, NB1-j, Desulfobacterota, and Myxococcota) were mainly driven by sediment grain size and by Cu and Cr concentrations, while the rare taxa (i.e., each contributing <1%) by As and aliphatic hydrocarbons concentrations and by sediment redox potential. These results suggest a differential response of bacterial taxa to environmental features and chemical contamination and those different bacterial groups may be inhibited or promoted by different contaminants. This hypothesis was confirmed by culturing and isolating 80 bacterial strains using media highly enriched in PAHs, only nine of which were contextually resistant to high HM concentrations. Such resistant isolates represented novel Gammaproteobacteria strains affiliated to Vibrio, Pseudoalteromonas, and Agarivorans, which were only scarcely represented in their original assemblages. These findings suggest that rare but culturable bacterial strains resistant/tolerant to high levels of mixed contaminants can be promising candidates useful for the reclamation by bioaugmentation strategies of marine sediments that are highly contaminated with PAHs and HMs.

ACS Style

Filippo Dell’Anno; Eugenio Rastelli; Michael Tangherlini; Cinzia Corinaldesi; Clementina Sansone; Christophe Brunet; Sergio Balzano; Adrianna Ianora; Luigi Musco; Maria Rita Montereali; Antonio Dell’Anno. Highly Contaminated Marine Sediments Can Host Rare Bacterial Taxa Potentially Useful for Bioremediation. Frontiers in Microbiology 2021, 12, 1 .

AMA Style

Filippo Dell’Anno, Eugenio Rastelli, Michael Tangherlini, Cinzia Corinaldesi, Clementina Sansone, Christophe Brunet, Sergio Balzano, Adrianna Ianora, Luigi Musco, Maria Rita Montereali, Antonio Dell’Anno. Highly Contaminated Marine Sediments Can Host Rare Bacterial Taxa Potentially Useful for Bioremediation. Frontiers in Microbiology. 2021; 12 ():1.

Chicago/Turabian Style

Filippo Dell’Anno; Eugenio Rastelli; Michael Tangherlini; Cinzia Corinaldesi; Clementina Sansone; Christophe Brunet; Sergio Balzano; Adrianna Ianora; Luigi Musco; Maria Rita Montereali; Antonio Dell’Anno. 2021. "Highly Contaminated Marine Sediments Can Host Rare Bacterial Taxa Potentially Useful for Bioremediation." Frontiers in Microbiology 12, no. : 1.

Journal article
Published: 27 January 2021 in Remote Sensing
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Acoustic response from lithics knapped by humans has been demonstrated to facilitate effective detection of submerged Stone Age sites exposed on the seafloor or embedded within its sediments. This phenomenon has recently enabled the non-invasive detection of several hitherto unknown submerged Stone Age sites, as well as the registration of acoustic responses from already known localities. Investigation of the acoustic-response characteristics of knapped lithics, which appear not to be replicated in naturally cracked lithic pieces (geofacts), is presently on-going through laboratory experiments and finite element (FE) modelling of high-resolution 3D-scanned pieces. Experimental work is also being undertaken, employing chirp sub-bottom systems (reflection seismic) on known sites in marine areas and inland water bodies. Fieldwork has already yielded positive results in this initial stage of development of an optimised Human-Altered Lithic Detection (HALD) method for mapping submerged Stone Age sites. This paper reviews the maritime archaeological perspectives of this promising approach, which potentially facilitates new and improved practice, summarizes existing data, and reports on the present state of development. Its focus is not reflection seismics as such, but a useful resonance phenomenon induced by the use of high-resolution reflection seismic systems.

ACS Style

Ole Grøn; Lars Boldreel; Morgan Smith; Shawn Joy; Rostand Tayong Boumda; Andreas Mäder; Niels Bleicher; Bo Madsen; Deborah Cvikel; Björn Nilsson; Arne Sjöström; Ehud Galili; Egon Nørmark; Changqing Hu; Qunyan Ren; Philippe Blondel; Xing Gao; Petra Stråkendal; Antonio Dell’Anno. Acoustic Mapping of Submerged Stone Age Sites—A HALD Approach. Remote Sensing 2021, 13, 445 .

AMA Style

Ole Grøn, Lars Boldreel, Morgan Smith, Shawn Joy, Rostand Tayong Boumda, Andreas Mäder, Niels Bleicher, Bo Madsen, Deborah Cvikel, Björn Nilsson, Arne Sjöström, Ehud Galili, Egon Nørmark, Changqing Hu, Qunyan Ren, Philippe Blondel, Xing Gao, Petra Stråkendal, Antonio Dell’Anno. Acoustic Mapping of Submerged Stone Age Sites—A HALD Approach. Remote Sensing. 2021; 13 (3):445.

Chicago/Turabian Style

Ole Grøn; Lars Boldreel; Morgan Smith; Shawn Joy; Rostand Tayong Boumda; Andreas Mäder; Niels Bleicher; Bo Madsen; Deborah Cvikel; Björn Nilsson; Arne Sjöström; Ehud Galili; Egon Nørmark; Changqing Hu; Qunyan Ren; Philippe Blondel; Xing Gao; Petra Stråkendal; Antonio Dell’Anno. 2021. "Acoustic Mapping of Submerged Stone Age Sites—A HALD Approach." Remote Sensing 13, no. 3: 445.

Matters arising
Published: 16 November 2020 in Nature Ecology & Evolution
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ACS Style

Roberto Danovaro; Emanuela Fanelli; Jacopo Aguzzi; David Billett; Laura Carugati; Cinzia Corinaldesi; Antonio Dell’Anno; Kristina Gjerde; Alan J. Jamieson; Salit Kark; Craig McClain; Lisa A. Levin; Noam Levin; Eva Ramirez-Llodra; Henry A. Ruhl; Craig R. Smith; Paul V. R. Snelgrove; Laurenz Thomsen; Cindy L. Van Dover; Moriaki Yasuhara. Reply to: Ecological variables for deep-ocean monitoring must include microbiota and meiofauna for effective conservation. Nature Ecology & Evolution 2020, 5, 30 -31.

AMA Style

Roberto Danovaro, Emanuela Fanelli, Jacopo Aguzzi, David Billett, Laura Carugati, Cinzia Corinaldesi, Antonio Dell’Anno, Kristina Gjerde, Alan J. Jamieson, Salit Kark, Craig McClain, Lisa A. Levin, Noam Levin, Eva Ramirez-Llodra, Henry A. Ruhl, Craig R. Smith, Paul V. R. Snelgrove, Laurenz Thomsen, Cindy L. Van Dover, Moriaki Yasuhara. Reply to: Ecological variables for deep-ocean monitoring must include microbiota and meiofauna for effective conservation. Nature Ecology & Evolution. 2020; 5 (1):30-31.

Chicago/Turabian Style

Roberto Danovaro; Emanuela Fanelli; Jacopo Aguzzi; David Billett; Laura Carugati; Cinzia Corinaldesi; Antonio Dell’Anno; Kristina Gjerde; Alan J. Jamieson; Salit Kark; Craig McClain; Lisa A. Levin; Noam Levin; Eva Ramirez-Llodra; Henry A. Ruhl; Craig R. Smith; Paul V. R. Snelgrove; Laurenz Thomsen; Cindy L. Van Dover; Moriaki Yasuhara. 2020. "Reply to: Ecological variables for deep-ocean monitoring must include microbiota and meiofauna for effective conservation." Nature Ecology & Evolution 5, no. 1: 30-31.

Research article
Published: 26 October 2020 in Restoration Ecology
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Seagrass meadows play a key role in the provisioning of ecosystem goods and services. These systems are extremely vulnerable to multiple anthropogenic impacts. Therefore, there is an urgent need to develop new techniques to efficiently restore degraded seagrass meadows. Here we tested the efficacy and efficiency of a new technique of seagrass transplant (Cymodocea nodosa) using biodegradable containers. We investigated the effects of this transplant technique in the Adriatic Sea comparing the transplanted seagrass meadows with adjacent donor seagrass meadows and bare sediments, used as control. We assessed the recovery rates and the ecological implications of this transplant on key‐ecosystems functions, including the biomass and detritus provision to local biological communities, and the effects on the biodiversity of the associated benthic fauna. Our results show that this restoration technique was successful, enabling the seagrass survival (ca. 30%) even in high‐energy conditions occurring in Winter. The sediments hosting the transplanted seagrasses showed an increase of trophic availability and of rates of organic matter cycling. Despite this, one year after the transplant, the abundance and biodiversity of meiofaunal assemblages in the restored seagrasses were still lower than in donor seagrass meadows. These results indicate that the restoration process of seagrass meadows can take a long time, and that a multi‐level approach (including the analysis of biodiversity and of the sedimentary processes and biogeochemical cycles) is needed to assess the success of restoration actions in these habitats.

ACS Style

Zaira Da Ros; Cinzia Corinaldesi; Antonio Dell'Anno; Cristina Gambi; Fabrizio Torsani; Roberto Danovaro. Restoration of Cymodocea nodosa seagrass meadows: efficiency and ecological implications. Restoration Ecology 2020, 29, 1 .

AMA Style

Zaira Da Ros, Cinzia Corinaldesi, Antonio Dell'Anno, Cristina Gambi, Fabrizio Torsani, Roberto Danovaro. Restoration of Cymodocea nodosa seagrass meadows: efficiency and ecological implications. Restoration Ecology. 2020; 29 (S2):1.

Chicago/Turabian Style

Zaira Da Ros; Cinzia Corinaldesi; Antonio Dell'Anno; Cristina Gambi; Fabrizio Torsani; Roberto Danovaro. 2020. "Restoration of Cymodocea nodosa seagrass meadows: efficiency and ecological implications." Restoration Ecology 29, no. S2: 1.

Journal article
Published: 11 September 2020 in Microorganisms
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Investigations on the ability of bacteria to enhance removal of hydrocarbons and reduce heavy metal toxicity in sediments are necessary to design more effective bioremediation strategies. In this study, five bacterial strains, Halomonas sp. SZN1, Alcanivorax sp. SZN2, Pseudoalteromonas sp. SZN3, Epibacterium sp. SZN4, and Virgibacillus sp. SZN7, were isolated from polluted sediments from an abandoned industrial site in the Gulf of Naples, Mediterranean Sea, and tested for their bioremediation efficiency on sediment samples collected from the same site. These bacteria were added as consortia or as individual cultures into polluted sediments to assess biodegradation efficiency of polycyclic aromatic hydrocarbons and heavy metal immobilisation capacity. Our results indicate that these bacteria were able to remove polycyclic aromatic hydrocarbons, with a removal rate up to ca. 80% for dibenzo-anthracene. In addition, these bacteria reduced arsenic, lead, and cadmium mobility by promoting their partitioning into less mobile and bioavailable fractions. Microbial consortia generally showed higher performance toward pollutants as compared with pure isolates, suggesting potential synergistic interactions able to enhance bioremediation capacity. Overall, our findings suggest that highly polluted sediments select for bacteria efficient at reducing the toxicity of hazardous compounds, paving the way for scaled-up bioremediation trials.

ACS Style

Filippo Dell’Anno; Christophe Brunet; Leonardo Van Zyl; Marla Trindade; Peter Golyshin; Antonio Dell’Anno; Adrianna Ianora; Clementina Sansone. Degradation of Hydrocarbons and Heavy Metal Reduction by Marine Bacteria in Highly Contaminated Sediments. Microorganisms 2020, 8, 1402 .

AMA Style

Filippo Dell’Anno, Christophe Brunet, Leonardo Van Zyl, Marla Trindade, Peter Golyshin, Antonio Dell’Anno, Adrianna Ianora, Clementina Sansone. Degradation of Hydrocarbons and Heavy Metal Reduction by Marine Bacteria in Highly Contaminated Sediments. Microorganisms. 2020; 8 (9):1402.

Chicago/Turabian Style

Filippo Dell’Anno; Christophe Brunet; Leonardo Van Zyl; Marla Trindade; Peter Golyshin; Antonio Dell’Anno; Adrianna Ianora; Clementina Sansone. 2020. "Degradation of Hydrocarbons and Heavy Metal Reduction by Marine Bacteria in Highly Contaminated Sediments." Microorganisms 8, no. 9: 1402.

Journal article
Published: 13 August 2020 in Marine Environmental Research
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Coastal sediments subjected to high anthropogenic impacts can accumulate large amounts of polycyclic aromatic hydrocarbons (PAHs) and metals, demanding effective and eco-sustainable remediation solutions. In this study, we carried out bioremediation experiments on marine sediments highly contaminated with PAHs and metals. In particular, we investigated the effects of biostimulation (by the addition of inorganic nutrients), bioaugmentation (by the addition of fungi belonging to Aspergillus sp.) and microbial fuel cell-based strategies on PAH degradation and on changes in metal partitioning. Results reported here indicate that all biotreatments determined a significant decrease of PAH concentrations (at least 60%) in a relatively short time interval (few weeks) and that biostimulation was the most effective approach (>90%). Biostimulation determined a faster degradation rate of high than low molecular weight PAHs, indicating a preferential biodegradation of specific PAH congeners. At the same time, the biotreatments changed the partitioning of metals, including their solubilization, suggesting the need of parallel environmental risk assessment. Our findings also suggest that ex situ biotreatments can have a lower carbon footprint than current management options of contaminated sediments (i.e., landfill disposal and/or disposal in confined aquatic facilities), but integration with other strategies for metal removal (e.g. through bioleaching) from sediments is needed for their safe re-use. Overall, results presented here provide new insights into the development of effective and eco-sustainable bioremediation strategies for the reclamation of highly contaminated marine sediments.

ACS Style

A. Dell'Anno; F. Beolchini; C. Corinaldesi; A. Amato; A. Becci; E. Rastelli; M. Hekeu; F. Regoli; E. Astarita; S. Greco; L. Musco; R. Danovaro. Assessing the efficiency and eco-sustainability of bioremediation strategies for the reclamation of highly contaminated marine sediments. Marine Environmental Research 2020, 162, 105101 .

AMA Style

A. Dell'Anno, F. Beolchini, C. Corinaldesi, A. Amato, A. Becci, E. Rastelli, M. Hekeu, F. Regoli, E. Astarita, S. Greco, L. Musco, R. Danovaro. Assessing the efficiency and eco-sustainability of bioremediation strategies for the reclamation of highly contaminated marine sediments. Marine Environmental Research. 2020; 162 ():105101.

Chicago/Turabian Style

A. Dell'Anno; F. Beolchini; C. Corinaldesi; A. Amato; A. Becci; E. Rastelli; M. Hekeu; F. Regoli; E. Astarita; S. Greco; L. Musco; R. Danovaro. 2020. "Assessing the efficiency and eco-sustainability of bioremediation strategies for the reclamation of highly contaminated marine sediments." Marine Environmental Research 162, no. : 105101.

Journal article
Published: 18 July 2020 in Environmental Technology & Innovation
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Polymetallic nodules on abyssal seafloor represent a major reservoir of valuable metals. Here we analysed fungal-mediated leaching of metals from nodules collected at ca. 5000 m depth in the Clarion-Clipperton Fracture Zone of the Pacific Ocean. The bioleaching efficiency of Aspergillus and a mixed cultures of A. niger and Trichoderma sp., at different growing conditions, were investigated and compared to chemical treatments using citric acid. 11 days of treatment with A. niger growing in optimal medium conditions, produced the best result with the extraction of more than 80% of Mn, Cu, Ni, and 70% and 30% of Co and Fe, respectively. Our findings suggest that biotechnological processes can be a sustainable approach in terms of carbon footprint reduction compared to chemical strategies. Results presented here provide the potential of fungal-mediated leaching and pave the way for the development of effective and eco-sustainable biotechnologies for the metal recovery from deep-sea nodules.

ACS Style

Francesca Beolchini; Alessandro Becci; Giulio Barone; Alessia Amato; Melanie Hekeu; Roberto Danovaro; Antonio Dell’Anno. High fungal-mediated leaching efficiency of valuable metals from deep-sea polymetallic nodules. Environmental Technology & Innovation 2020, 20, 101037 .

AMA Style

Francesca Beolchini, Alessandro Becci, Giulio Barone, Alessia Amato, Melanie Hekeu, Roberto Danovaro, Antonio Dell’Anno. High fungal-mediated leaching efficiency of valuable metals from deep-sea polymetallic nodules. Environmental Technology & Innovation. 2020; 20 ():101037.

Chicago/Turabian Style

Francesca Beolchini; Alessandro Becci; Giulio Barone; Alessia Amato; Melanie Hekeu; Roberto Danovaro; Antonio Dell’Anno. 2020. "High fungal-mediated leaching efficiency of valuable metals from deep-sea polymetallic nodules." Environmental Technology & Innovation 20, no. : 101037.

Journal article
Published: 05 May 2020 in Sustainability
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With the approaching end of the productive lives of offshore oil and gas platforms, the issue about decommissioning and what to do with existing structures arises. In this regard, this study aims to test solutions, at a preliminary level, for the eco-sustainable reuse of platforms at the end of their extraction phase. In particular, mineral accretion technology is applied by low-voltage electrolysis of seawater due to the precipitation of calcium carbonate on a cathode material in order to assess the protection capacity of the platforms against corrosion. This approach allows the extension of a platform’s “life” under a more sustainable purpose. The results, derived from laboratory and field experiments, will allow us to reduce uncertainties and define the best operating conditions to increase the efficiency of the mineral accretion technology in the marine ecosystem. The data collection on the main parameters that influence the process (i.e., temperature, salinity, and applied current) and the quantitative analysis of the collected material allowed us to acquire a better knowledge about mineral composition and deposition rate.

ACS Style

Lucia Margheritini; Giuseppina Colaleo; Pasquale Contestabile; Trine Larsen Bjørgård; Morten Enggrob Simonsen; Caterina Lanfredi; Antonio Dell’Anno; Diego Vicinanza. Development of an Eco-Sustainable Solution for the Second Life of Decommissioned Oil and Gas Platforms: The Mineral Accretion Technology. Sustainability 2020, 12, 3742 .

AMA Style

Lucia Margheritini, Giuseppina Colaleo, Pasquale Contestabile, Trine Larsen Bjørgård, Morten Enggrob Simonsen, Caterina Lanfredi, Antonio Dell’Anno, Diego Vicinanza. Development of an Eco-Sustainable Solution for the Second Life of Decommissioned Oil and Gas Platforms: The Mineral Accretion Technology. Sustainability. 2020; 12 (9):3742.

Chicago/Turabian Style

Lucia Margheritini; Giuseppina Colaleo; Pasquale Contestabile; Trine Larsen Bjørgård; Morten Enggrob Simonsen; Caterina Lanfredi; Antonio Dell’Anno; Diego Vicinanza. 2020. "Development of an Eco-Sustainable Solution for the Second Life of Decommissioned Oil and Gas Platforms: The Mineral Accretion Technology." Sustainability 12, no. 9: 3742.

Journal article
Published: 19 February 2020 in Scientific Reports
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Biodiversity loss and climate change simultaneously threaten marine ecosystems, yet their interactions remain largely unknown. Ocean acidification severely affects a wide variety of marine organisms and recent studies have predicted major impacts at the pH conditions expected for 2100. However, despite the renowned interdependence between biodiversity and ecosystem functioning, the hypothesis that the species’ response to ocean acidification could differ based on the biodiversity of the natural multispecies assemblages in which they live remains untested. Here, using experimentally controlled conditions, we investigated the impact of acidification on key habitat-forming organisms (including corals, sponges and macroalgae) and associated microbes in hard-bottom assemblages characterised by different biodiversity levels. Our results indicate that, at higher biodiversity, the impact of acidification on otherwise highly vulnerable key organisms can be reduced by 50 to >90%, depending on the species. Here we show that such a positive effect of a higher biodiversity can be associated with higher availability of food resources and healthy microbe-host associations, overall increasing host resistance to acidification, while contrasting harmful outbreaks of opportunistic microbes. Given the climate change scenarios predicted for the future, we conclude that biodiversity conservation of hard-bottom ecosystems is fundamental also for mitigating the impacts of ocean acidification.

ACS Style

Eugenio Rastelli; Bruna Petani; Cinzia Corinaldesi; Antonio Dell’Anno; Marco Lo Martire; Carlo Cerrano; Roberto Danovaro. A high biodiversity mitigates the impact of ocean acidification on hard-bottom ecosystems. Scientific Reports 2020, 10, 1 -13.

AMA Style

Eugenio Rastelli, Bruna Petani, Cinzia Corinaldesi, Antonio Dell’Anno, Marco Lo Martire, Carlo Cerrano, Roberto Danovaro. A high biodiversity mitigates the impact of ocean acidification on hard-bottom ecosystems. Scientific Reports. 2020; 10 (1):1-13.

Chicago/Turabian Style

Eugenio Rastelli; Bruna Petani; Cinzia Corinaldesi; Antonio Dell’Anno; Marco Lo Martire; Carlo Cerrano; Roberto Danovaro. 2020. "A high biodiversity mitigates the impact of ocean acidification on hard-bottom ecosystems." Scientific Reports 10, no. 1: 1-13.

Journal article
Published: 05 February 2020 in Marine Environmental Research
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The effects of contaminants on marine organisms have been documented since decades, but the long-term responses and recovery rates of benthic communities to mixtures of contaminants, several years after the cessation of industrial activities, need to be further investigated. Bagnoli-Coroglio Bay (Gulf of Naples, Tyrrhenian Sea) is a typical example of historically contaminated coastal area due to industrial activities stopped at the beginning of nineties. In the present study we carried out a fine spatial scale analysis of the distribution of meiofaunal (and nematodes) assemblages along five bathymetric transects located at increasing distance from the historical source of contamination in relation with the polycyclic aromatic hydrocarbon and heavy metal concentrations present in the sediment. Meiofaunal abundance and biomass changed widely along transects but independent from the distance from the source of contamination. Even when the contamination levels were expected to induce significant detrimental biological consequences, meiofaunal abundance and biomass were similar to those reported in unpolluted benthic coastal areas worldwide. Conversely, biodiversity in terms of meiofaunal taxa richness was generally low (range: 5–8 taxa in 12 of the overall 15 stations investigated). This was explained by the lack of sensitive groups such as ostracods, gastrotrichs and tardigrades commonly encountered in benthic coastal ecosystems, thus reflecting an overall poor/moderate environmental quality of the investigated area. Nematode (structural and functional) diversity was also low, particularly at stations characterized by higher contamination levels. At the same time, nematode species composition did not change significantly among stations suggesting a widespread effect of contaminants able to reduce the variability (i.e., turnover diversity) within the assemblages of the whole study area. Overall, our results indicate that even decades after the cessation of contaminant emissions, benthic biodiversity was affected in terms of both meiofaunal taxa and nematode species. These findings strongly reinforce the call for reducing sources of chronic pollution in marine ecosystems and provide new insights for a better understanding of the ecological recovery of historically contaminated marine environments.

ACS Style

C. Gambi; A. Dell’Anno; C. Corinaldesi; M. Lo Martire; L. Musco; Z. Da Ros; G. Armiento; R. Danovaro. Impact of historical contamination on meiofaunal assemblages: The case study of the Bagnoli-Coroglio Bay (southern Tyrrhenian Sea). Marine Environmental Research 2020, 156, 104907 .

AMA Style

C. Gambi, A. Dell’Anno, C. Corinaldesi, M. Lo Martire, L. Musco, Z. Da Ros, G. Armiento, R. Danovaro. Impact of historical contamination on meiofaunal assemblages: The case study of the Bagnoli-Coroglio Bay (southern Tyrrhenian Sea). Marine Environmental Research. 2020; 156 ():104907.

Chicago/Turabian Style

C. Gambi; A. Dell’Anno; C. Corinaldesi; M. Lo Martire; L. Musco; Z. Da Ros; G. Armiento; R. Danovaro. 2020. "Impact of historical contamination on meiofaunal assemblages: The case study of the Bagnoli-Coroglio Bay (southern Tyrrhenian Sea)." Marine Environmental Research 156, no. : 104907.

Perspective
Published: 03 February 2020 in Nature Ecology & Evolution
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The deep sea (>200 m depth) encompasses >95% of the world’s ocean volume and represents the largest and least explored biome on Earth (<0.0001% of ocean surface), yet is increasingly under threat from multiple direct and indirect anthropogenic pressures. Our ability to preserve both benthic and pelagic deep-sea ecosystems depends upon effective ecosystem-based management strategies and monitoring based on widely agreed deep-sea ecological variables. Here, we identify a set of deep-sea essential ecological variables among five scientific areas of the deep ocean: (1) biodiversity; (2) ecosystem functions; (3) impacts and risk assessment; (4) climate change, adaptation and evolution; and (5) ecosystem conservation. Conducting an expert elicitation (1,155 deep-sea scientists consulted and 112 respondents), our analysis indicates a wide consensus amongst deep-sea experts that monitoring should prioritize large organisms (that is, macro- and megafauna) living in deep waters and in benthic habitats, whereas monitoring of ecosystem functioning should focus on trophic structure and biomass production. Habitat degradation and recovery rates are identified as crucial features for monitoring deep-sea ecosystem health, while global climate change will likely shift bathymetric distributions and cause local extinction in deep-sea species. Finally, deep-sea conservation efforts should focus primarily on vulnerable marine ecosystems and habitat-forming species. Deep-sea observation efforts that prioritize these variables will help to support the implementation of effective management strategies on a global scale.

ACS Style

Roberto Danovaro; Emanuela Fanelli; Jacopo Aguzzi; David Billett; Laura Carugati; Cinzia Corinaldesi; Antonio Dell’Anno; Kristina Gjerde; Alan J. Jamieson; Salit Kark; Craig McClain; Lisa Levin; Noam Levin; Eva Ramirez-Llodra; Henry Ruhl; Craig R. Smith; Paul V. R. Snelgrove; Laurenz Thomsen; Cindy L. Van Dover; Moriaki Yasuhara. Ecological variables for developing a global deep-ocean monitoring and conservation strategy. Nature Ecology & Evolution 2020, 4, 181 -192.

AMA Style

Roberto Danovaro, Emanuela Fanelli, Jacopo Aguzzi, David Billett, Laura Carugati, Cinzia Corinaldesi, Antonio Dell’Anno, Kristina Gjerde, Alan J. Jamieson, Salit Kark, Craig McClain, Lisa Levin, Noam Levin, Eva Ramirez-Llodra, Henry Ruhl, Craig R. Smith, Paul V. R. Snelgrove, Laurenz Thomsen, Cindy L. Van Dover, Moriaki Yasuhara. Ecological variables for developing a global deep-ocean monitoring and conservation strategy. Nature Ecology & Evolution. 2020; 4 (2):181-192.

Chicago/Turabian Style

Roberto Danovaro; Emanuela Fanelli; Jacopo Aguzzi; David Billett; Laura Carugati; Cinzia Corinaldesi; Antonio Dell’Anno; Kristina Gjerde; Alan J. Jamieson; Salit Kark; Craig McClain; Lisa Levin; Noam Levin; Eva Ramirez-Llodra; Henry Ruhl; Craig R. Smith; Paul V. R. Snelgrove; Laurenz Thomsen; Cindy L. Van Dover; Moriaki Yasuhara. 2020. "Ecological variables for developing a global deep-ocean monitoring and conservation strategy." Nature Ecology & Evolution 4, no. 2: 181-192.

Original research article
Published: 14 November 2019 in Frontiers in Microbiology
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Oceanic trenches at hadal (>6,000 m) depths are hot spots of organic matter deposition and mineralization and can host abundant and active bacterial assemblages. However, the factors able to shape their biodiversity and functioning remain largely unexplored, especially in subsurface sediments. Here, we investigated the patterns and drivers of benthic bacterial α- and β-diversity (i.e., OTU richness and turnover diversity) along the vertical profile down to 1.5 m sediment depth in the Izu-Bonin Trench (at ~10,000 m water depth). The protease and glucosidase enzymatic activity rates were also determined, as a proxy of organic matter degradation potential in the different sediment layers. Molecular fingerprinting based on automated ribosomal intergenic spacer analysis (ARISA) indicated that the α-diversity of bacterial assemblages remained high throughout the vertical profile and that the turnover (β-) diversity among sediment horizons reached values up to 90% of dissimilarity. Multivariate distance-based linear modeling (DISTLM) pointed out that the diversity and functioning of the hadal bacterial assemblages were influenced by the variability of environmental conditions (including the availability of organic resources and electron donors/acceptors) and of viral production rates along the sediment vertical profile. Based on our results, we can argue that the heterogeneity of physical-chemical features of the hadal sediments of the Izu-Bonin Trench contribute to increase the niches availability for different bacterial taxa, while viruses contribute to maintain high levels of bacterial turnover diversity and to enhance organic matter cycling in these extremely remote and isolated ecosystems.

ACS Style

Eugenio Rastelli; Cinzia Corinaldesi; Antonio Dell’Anno; Michael Tangherlini; Marco Lo Martire; Manabu Nishizawa; Hidetaka Nomaki; Takuro Nunoura; Roberto Danovaro. Drivers of Bacterial α- and β-Diversity Patterns and Functioning in Subsurface Hadal Sediments. Frontiers in Microbiology 2019, 10, 2609 .

AMA Style

Eugenio Rastelli, Cinzia Corinaldesi, Antonio Dell’Anno, Michael Tangherlini, Marco Lo Martire, Manabu Nishizawa, Hidetaka Nomaki, Takuro Nunoura, Roberto Danovaro. Drivers of Bacterial α- and β-Diversity Patterns and Functioning in Subsurface Hadal Sediments. Frontiers in Microbiology. 2019; 10 ():2609.

Chicago/Turabian Style

Eugenio Rastelli; Cinzia Corinaldesi; Antonio Dell’Anno; Michael Tangherlini; Marco Lo Martire; Manabu Nishizawa; Hidetaka Nomaki; Takuro Nunoura; Roberto Danovaro. 2019. "Drivers of Bacterial α- and β-Diversity Patterns and Functioning in Subsurface Hadal Sediments." Frontiers in Microbiology 10, no. : 2609.

Original research article
Published: 23 August 2019 in Frontiers in Microbiology
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Hadal trenches are among the most remote and least explored ecosystems on Earth and can support high benthic microbial standing stocks and activities. However, information on the role of viruses in such ecosystems and their interactions with prokaryotic hosts is very limited. Here, we investigated activities of benthic viruses and prokaryotes and their interactions in three hadal trenches (Japan, Izu-Ogasawara and Mariana trenches) and in their nearby abyssal sites. Our findings reveal that these hadal trenches, compared with the surrounding abyssal sites, support higher abundances and biomasses of prokaryotes. In addition, the high prokaryotic biomasses of hadal trenches could favor high rates of viral infection and cell lysis, especially in the Japan Trench. Hadal viruses can release large amounts of highly labile and promptly available organic material by inducing cell lysis, which could contribute to sustain benthic prokaryotes and decrease their dependency on the enzymatic digestion of the more refractory fraction of sediment organic matter. Our results suggest that this process can contribute to explain the discrepancy between high prokaryote biomass and apparent low efficiency in the utilization of the sedimentary organic matter in the hadal ecosystems. Concluding, hadal trenches may be characterized by a highly dynamic viral component, which can boost prokaryotic biomass production, thereby profoundly influencing the functioning of these remote and extreme ecosystems.

ACS Style

Elisabetta Manea; Antonio Dell’Anno; Eugenio Rastelli; Michael Tangherlini; Takuro Nunoura; Hidetaka Nomaki; Roberto Danovaro; Cinzia Corinaldesi. Viral Infections Boost Prokaryotic Biomass Production and Organic C Cycling in Hadal Trench Sediments. Frontiers in Microbiology 2019, 10, 1952 .

AMA Style

Elisabetta Manea, Antonio Dell’Anno, Eugenio Rastelli, Michael Tangherlini, Takuro Nunoura, Hidetaka Nomaki, Roberto Danovaro, Cinzia Corinaldesi. Viral Infections Boost Prokaryotic Biomass Production and Organic C Cycling in Hadal Trench Sediments. Frontiers in Microbiology. 2019; 10 ():1952.

Chicago/Turabian Style

Elisabetta Manea; Antonio Dell’Anno; Eugenio Rastelli; Michael Tangherlini; Takuro Nunoura; Hidetaka Nomaki; Roberto Danovaro; Cinzia Corinaldesi. 2019. "Viral Infections Boost Prokaryotic Biomass Production and Organic C Cycling in Hadal Trench Sediments." Frontiers in Microbiology 10, no. : 1952.

Review
Published: 16 July 2019 in Diversity
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Deep-sea hypersaline anoxic basins (DHABs) are one of the most hostile environments on Earth. Even though DHABs have hypersaline conditions, anoxia and high hydrostatic pressure, they host incredible microbial biodiversity. Among eukaryotes inhabiting these systems, recent studies demonstrated that fungi are a quantitatively relevant component. Here, fungi can benefit from the accumulation of large amounts of organic material. Marine fungi are also known to produce bioactive molecules. In particular, halophilic and halotolerant fungi are a reservoir of enzymes and secondary metabolites with valuable applications in industrial, pharmaceutical, and environmental biotechnology. Here we report that among the fungal taxa identified from the Mediterranean and Red Sea DHABs, halotolerant halophilic species belonging to the genera Aspergillus and Penicillium can be used or screened for enzymes and bioactive molecules. Fungi living in DHABs can extend our knowledge about the limits of life, and the discovery of new species and molecules from these environments can have high biotechnological potential.

ACS Style

Giulio Barone; Stefano Varrella; Michael Tangherlini; Eugenio Rastelli; Antonio Dell'anno; Roberto Danovaro; Cinzia Corinaldesi. Marine Fungi: Biotechnological Perspectives from Deep-Hypersaline Anoxic Basins. Diversity 2019, 11, 113 .

AMA Style

Giulio Barone, Stefano Varrella, Michael Tangherlini, Eugenio Rastelli, Antonio Dell'anno, Roberto Danovaro, Cinzia Corinaldesi. Marine Fungi: Biotechnological Perspectives from Deep-Hypersaline Anoxic Basins. Diversity. 2019; 11 (7):113.

Chicago/Turabian Style

Giulio Barone; Stefano Varrella; Michael Tangherlini; Eugenio Rastelli; Antonio Dell'anno; Roberto Danovaro; Cinzia Corinaldesi. 2019. "Marine Fungi: Biotechnological Perspectives from Deep-Hypersaline Anoxic Basins." Diversity 11, no. 7: 113.

Articles
Published: 03 July 2019 in Biofouling
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Biofouling is one of the challenges that can strongly affect the finfish farm economy. Although several studies on biofouling in aquaculture have been conducted in the Mediterranean Sea, they focused on specific taxa or were limited to a particular period of sampling. The present study investigated for the first time the development, composition and variation in a biofouling community in a finfish farm with immersion time, season and depth. The results indicate that all these factors influence biofouling succession and recruitment. Moreover, the species that had a crucial role in structuring the community and in the farm cleaning activities were the ascidian Styela plicata and the bivalve Mytilus galloprovincialis. Compared with the literature data, the results highlight the heterogeneity in the composition of the biofouling present in the Mediterranean Sea. Moreover, such knowledge of the biofouling community could provide important information about management efforts and the costs that farmers will face when siting new fish farms.

ACS Style

Daniela Pica; Nina Bloecher; Antonio Dell’Anno; Alessandra Bellucci; Tommaso Pinto; Lisa Pola; Stefania Puce. Dynamics of a biofouling community in finfish aquaculture: a case study from the South Adriatic Sea. Biofouling 2019, 35, 696 -709.

AMA Style

Daniela Pica, Nina Bloecher, Antonio Dell’Anno, Alessandra Bellucci, Tommaso Pinto, Lisa Pola, Stefania Puce. Dynamics of a biofouling community in finfish aquaculture: a case study from the South Adriatic Sea. Biofouling. 2019; 35 (6):696-709.

Chicago/Turabian Style

Daniela Pica; Nina Bloecher; Antonio Dell’Anno; Alessandra Bellucci; Tommaso Pinto; Lisa Pola; Stefania Puce. 2019. "Dynamics of a biofouling community in finfish aquaculture: a case study from the South Adriatic Sea." Biofouling 35, no. 6: 696-709.

Software
Published: 30 November 2018 in BMC Bioinformatics
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Environmental metagenomics is a challenging approach that is exponentially spreading in the scientific community to investigate taxonomic diversity and possible functions of the biological components. The massive amount of sequence data produced, often endowed with rich environmental metadata, needs suitable computational tools to fully explore the embedded information. Bioinformatics plays a key role in providing methodologies to manage, process and mine molecular data, integrated with environmental metagenomics collections. One such relevant example is represented by the Tara Ocean Project. We considered the Tara 16S miTAGs released by the consortium, representing raw sequences from a shotgun metagenomics approach with similarities to 16S rRNA genes. We generated assembled 16S rDNA sequences, which were classified according to their lengths, the possible presence of chimeric reads, the putative taxonomic affiliation. The dataset was included in GLOSSary (the GLobal Ocean 16S Subunit web accessible resource), a bioinformatics platform to organize environmental metagenomics data. The aims of this work were: i) to present alternative computational approaches to manage challenging metagenomics data; ii) to set up user friendly web-based platforms to allow the integration of environmental metagenomics sequences and of the associated metadata; iii) to implement an appropriate bioinformatics platform supporting the analysis of 16S rDNA sequences exploiting reference datasets, such as the SILVA database. We organized the data in a next-generation NoSQL “schema-less” database, allowing flexible organization of large amounts of data and supporting native geospatial queries. A web interface was developed to permit an interactive exploration and a visual geographical localization of the data, either raw miTAG reads or 16S contigs, from our processing pipeline. Information on unassembled sequences is also available. The taxonomic affiliations of contigs and miTAGs, and the spatial distribution of the sampling sites and their associated sequence libraries, as they are contained in the Tara metadata, can be explored by a query interface, which allows both textual and visual investigations. In addition, all the sequence data were made available for a dedicated BLAST-based web application alongside the SILVA collection. GLOSSary provides an expandable bioinformatics environment, able to support the scientific community in current and forthcoming environmental metagenomics analyses.

ACS Style

M. Tangherlini; M. Miralto; C. Colantuono; M. Sangiovanni; A. Dell’ Anno; C. Corinaldesi; R. Danovaro; M. L. Chiusano. GLOSSary: the GLobal Ocean 16S subunit web accessible resource. BMC Bioinformatics 2018, 19, 443 .

AMA Style

M. Tangherlini, M. Miralto, C. Colantuono, M. Sangiovanni, A. Dell’ Anno, C. Corinaldesi, R. Danovaro, M. L. Chiusano. GLOSSary: the GLobal Ocean 16S subunit web accessible resource. BMC Bioinformatics. 2018; 19 (15):443.

Chicago/Turabian Style

M. Tangherlini; M. Miralto; C. Colantuono; M. Sangiovanni; A. Dell’ Anno; C. Corinaldesi; R. Danovaro; M. L. Chiusano. 2018. "GLOSSary: the GLobal Ocean 16S subunit web accessible resource." BMC Bioinformatics 19, no. 15: 443.