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5. Anti-Bacterial Adhesion on Abiotic and Biotic Surfaces of the Exopolysaccharide from the Marine Bacillus licheniformis B3-15

Author

Zammuto, Vincenzo, primary, Spanò, Antonio, additional, Agostino, Eleonora, additional, Macrì, Angela, additional, De Pasquale, Claudia, additional, Ferlazzo, Guido, additional, Rizzo, Maria Giovanna, additional, Nicolò, Marco Sebastiano, additional, Guglielmino, Salvatore, additional, and Gugliandolo, Concetta, additional

Published
2023
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6. Arsenic Adsorption and Toxicity Reduction of An Exopolysaccharide Produced by Bacillus licheniformis B3-15 of Shallow Hydrothermal Vent Origin

Author

Spanò, Antonio, primary, Zammuto, Vincenzo, additional, Macrì, Angela, additional, Agostino, Eleonora, additional, Nicolò, Marco Sebastiano, additional, Scala, Angela, additional, Trombetta, Domenico, additional, Smeriglio, Antonella, additional, Ingegneri, Mariarosaria, additional, Caccamo, Maria Teresa, additional, Magazù, Salvatore, additional, Martinez, Miguel, additional, Leon, Carla Geraldine, additional, Guglielmino, Salvatore Pietro Paolo, additional, and Gugliandolo, Concetta, additional

Published
2023
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8. Synergistic Antibiofilm Effects of Exopolymers Produced by the Marine, Thermotolerant Bacillus licheniformis B3-15 and Their Potential Medical Applications.

Author

Zammuto, Vincenzo, Agostino, Eleonora, Macrì, Angela, Spanò, Antonio, Grillo, Emanuela, Nicolò, Marco Sebastiano, and Gugliandolo, Concetta

Subjects
BACILLUS licheniformis, BACTERIAL adhesion, POLYVINYL chloride, CONTACT lenses, PSEUDOMONAS aeruginosa, MICROBIAL exopolysaccharides
Abstract

The exopolysaccharide (EPS B3-15) and biosurfactant (BS B3-15), produced by the marine Bacillus licheniformis B3-15, were recently reported to possess different antibiofilm activities, with the EPS being more active in preventing the adhesion of Pseudomonas aeruginosa and Staphylococcus aureus and the BS in destroying their preformed biofilms on different surfaces. In this study, the synergistic effects of the two exopolymers on the bacterial adhesion and biofilm disruption of P. aeruginosa and S. aureus were evaluated on polystyrene, a medical polyvinyl chloride (PVC) device, and contact lenses (CLs) in order to address their potential use in biomedical applications. To this purpose, EPS B3-15 and BS B3-15 were equally combined (1:1 w/w), and the mixture (BPS B3-15) was added at different concentrations (from 50 to 300 µg mL−1) and at different times of bacterial development. Compared to each polymer, the BPS B3-15 (300 µg mL−1) more efficiently reduced the adhesion of P. aeruginosa and S. aureus on polystyrene (65 and 58%, respectively), PVC devices (62 and 42%, respectively), and CLs (39 and 35%, respectively), also in combination with a CLs care solution (88 and 39%, respectively). Furthermore, BPS B3-15 was able to disrupt mature biofilms, acting more effectively against S. aureus (72%) than P. aeruginosa (6%). The combination of exopolymers at low concentrations exhibited synergistic effects to prevent and eradicate biofilms. [ABSTRACT FROM AUTHOR]

Published
2023
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18. Potential Antibacterial Activity of Marine Macroalgae against Pathogens Relevant for Aquaculture and Human Health

Author

Rizzo, Carmen, primary, Genovese, Giuseppa, additional, Morabito, Marina, additional, Faggio, Caterina, additional, Pagano, Maria, additional, Spanò, Antonio, additional, Zammuto, Vincenzo, additional, Minicante, Simona, additional, Manghisi, Antonio, additional, Cigala, Rosalia, additional, Crea, Francesco, additional, Marino, Fabio, additional, and Gugliandolo, Concetta, additional

Published
2017
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20. Preliminary Study on the In vitro and In vivo Effects of Asparagopsis taxiformis Bioactive Phycoderivates on Teleosts

Author

Marino, Fabio, primary, Di Caro, Gianfranco, additional, Gugliandolo, Concetta, additional, Spanò, Antonio, additional, Faggio, Caterina, additional, Genovese, Giuseppa, additional, Morabito, Marina, additional, Russo, Annamaria, additional, Barreca, Davide, additional, Fazio, Francesco, additional, and Santulli, Andrea, additional

Published
2016
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24. Bacterial Exopolysaccharide of Shallow Marine Vent Origin as Agent in Counteracting Immune Disorders Induced by Herpes Virus.

Author

Spanò, Antonio and Arena, Adriana

Subjects
*MICROBIAL exopolysaccharides, *BACILLUS licheniformis, *IMMUNOLOGIC diseases, *HERPES simplex virus, *VIRUS diseases, *TH1 cells
Abstract

Herpes simplex virus type 2 (HSV-2) is responsible of the continuously increasing viral infections in humans. In a previous study we demonstrated that the exopolysaccharide produced byBacillus licheniformisstrain B3-15 (EPS-B3-15), was able to hinder the HSV-2 replication in peripheral blood mononuclear cells (PBMC) and this antiviral activity appear to be related to a significant stimulation of the Th1-cytokines. In this study we analyse the role of EPS-B3-15 on Th2 cytokine production by PBMC infected or not with HSV-2. EPS-B3-15 demonstrate the ability to induce a particular cytokine network with consequent effects on the immune cells during HSV-2 infection. [ABSTRACT FROM PUBLISHER]

Published
2016
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26. 3D models from reality based survey techniques: the domus of 'Putti danzanti' in Aquileia

Author

Filiberto Chiabrando, Federica Fontana, Emanuela Murgia, Antonio T. Spanò, S.T.A.M. Mols, E. M. Moormann, Chiabrando, Filiberto, Fontana, Federica, Murgia, Emanuela, and Spanò, Antonio T.

Subjects
Aquileia, età romana, ricostruzione 3D, affreschi
Abstract

This paper describes the survey techniques employed for the metric 3D documentation of ancient heritage, actively contributing both to the study and comparison of archaeological data, and to the hypothesis of an architectural recreation of non-existing rooms and settings. The archaeological analysis and virtual reconstruction concern the luxurious residence named the domus of “Putti danzanti” in Aquileia; the arrangement of such houses and their features have revealed new keys for interpreting dwellings in the period of late antiquity in Northern Italy.

Published
2017

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