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  1. Book ; Online: Discovery and Research on Aquatic Microorganisms

    Poli, Anna / Prigione, Valeria

    2022  

    Keywords Research & information: general ; Biology, life sciences ; Microbiology (non-medical) ; marine fungi ; new taxa ; phylogeny ; lignicolous fungi ; biofilms ; zeolite A ; Vibrio spp ; antimicrobials ; heavy crude oil ; mycodegradation ; deep-sea fungi ; bioremediation ; fungal isolation ; copper ; antifouling ; coating ; biofilm ; Indian Ocean ; Oman ; green algae ; diatoms ; cyanobacteria ; microalgae ; stone conservation ; diagnosis tool ; preservation strategies ; biodeterioration ; n/a ; antibacterial ; Vibrio harveyi ; Nannochloropsis oceanica ; Chaetoceros gracilis ; Isochrysis sp
    Language 0|e
    Size 1 electronic resource (96 pages)
    Publisher MDPI - Multidisciplinary Digital Publishing Institute
    Publishing place Basel
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021609351
    ISBN 9783036537986 ; 3036537988
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article ; Online: Sustainable production of heavy metal-binding levan by a subarctic permafrost thaw lake Pseudomonas strain 2ASCA.

    Finore, Ilaria / Dal Poggetto, Giovanni / Leone, Luigi / Cattaneo, Andrea / Immirzi, Barbara / Corsaro, Maria Michela / Casillo, Angela / Poli, Annarita

    International journal of biological macromolecules

    2024  Volume 268, Issue Pt 1, Page(s) 131664

    Abstract: Pseudomonas strain 2ASCA isolated in subarctic Québec, Canada, produced a cell membrane bound levan-type exopolymer (yield 1.17 g/L), after incubation in growth media containing 6 % sucrose (w/v) at temperature of 15 °C for 96 h. The objective of this ... ...

    Abstract Pseudomonas strain 2ASCA isolated in subarctic Québec, Canada, produced a cell membrane bound levan-type exopolymer (yield 1.17 g/L), after incubation in growth media containing 6 % sucrose (w/v) at temperature of 15 °C for 96 h. The objective of this study was to optimize levan production by varying the growth parameters. Moreover, the polymer's chemical characterization has been studied with the aim of increasing knowledge and leading to future applications in many fields, including heavy metal remediation. Higher levan yields (7.37 g/L) were reached by setting up microbial fermentation conditions based on the re-use of the molasses obtained from sugar beet processing. Spectroscopy analyses confirmed the levan-type nature of the exopolymer released by strain 2ASCA, consisting of a β-(2,6)-linked fructose repeating unit. Gel permeation chromatography revealed that the polymer has a molecular weight of 13 MDa. Scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) showed that the levan sequestered with a strong affinity Cr(III), which has never been previously reported, highlighting an interesting biosorption potential. In addition, SEM analysis revealed the formation of nanoparticles in acidified water solution.
    Language English
    Publishing date 2024-04-16
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 282732-3
    ISSN 1879-0003 ; 0141-8130
    ISSN (online) 1879-0003
    ISSN 0141-8130
    DOI 10.1016/j.ijbiomac.2024.131664
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Involvement of a Quorum Sensing Signal Molecule in the Extracellular Amylase Activity of the Thermophilic

    Tramice, Annabella / Cutignano, Adele / Iodice, Annalaura / Poli, Annarita / Finore, Ilaria / Tommonaro, Giuseppina

    Microorganisms

    2021  Volume 9, Issue 4

    Abstract: Anoxybacillus ... ...

    Abstract Anoxybacillus amylolyticus
    Language English
    Publishing date 2021-04-13
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms9040819
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Genomic Analysis Provides New Insights Into Biotechnological and Industrial Potential of

    Yasar Yildiz, Songul / Finore, Ilaria / Leone, Luigi / Romano, Ida / Lama, Licia / Kasavi, Ceyda / Nicolaus, Barbara / Toksoy Oner, Ebru / Poli, Annarita

    Frontiers in microbiology

    2022  Volume 13, Page(s) 923038

    Abstract: Parageobacillus ... ...

    Abstract Parageobacillus thermantarcticus
    Language English
    Publishing date 2022-06-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2022.923038
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  5. Article ; Online: Inhibition of Enzymes Involved in Neurodegenerative Disorders and A

    Arcone, Rosaria / D'Errico, Antonio / Nasso, Rosarita / Rullo, Rosario / Poli, Annarita / Di Donato, Paola / Masullo, Mariorosario

    Molecules (Basel, Switzerland)

    2023  Volume 28, Issue 17

    Abstract: Alzheimer's (AD) and Parkinson's diseases (PD) are multifactorial neurogenerative disorders of the Central Nervous System causing severe cognitive and motor deficits in elderly people. Because treatment of AD and PD by synthetic drugs alleviates the ... ...

    Abstract Alzheimer's (AD) and Parkinson's diseases (PD) are multifactorial neurogenerative disorders of the Central Nervous System causing severe cognitive and motor deficits in elderly people. Because treatment of AD and PD by synthetic drugs alleviates the symptoms often inducing side effects, many studies have aimed to find neuroprotective properties of diet polyphenols, compounds known to act on different cell signaling pathways. In this article, we analyzed the effect of polyphenols obtained from the agro-food industry waste of
    MeSH term(s) Neurodegenerative Diseases/drug therapy ; Superoxide Dismutase ; Parkinson Disease ; Monoamine Oxidase ; Cholinesterases ; Superoxide Dismutase-1 ; Citrus ; Plant Extracts/pharmacology
    Chemical Substances Superoxide Dismutase (EC 1.15.1.1) ; Monoamine Oxidase (EC 1.4.3.4) ; Cholinesterases (EC 3.1.1.8) ; Superoxide Dismutase-1 (EC 1.15.1.1) ; Plant Extracts
    Language English
    Publishing date 2023-08-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules28176332
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Physico-Chemical Properties and Valorization of Biopolymers Derived from Food Processing Waste.

    Silvestri, Teresa / Di Donato, Paola / Bonadies, Irene / Poli, Annarita / Frigione, Mariaenrica / Biondi, Marco / Mayol, Laura

    Molecules (Basel, Switzerland)

    2023  Volume 28, Issue 19

    Abstract: The widespread use of synthetic plastics, as well as the waste produced at the end of their life cycle, poses serious environmental issues. In this context, bio-based plastics, i.e., natural polymers produced from renewable resources, represent a ... ...

    Abstract The widespread use of synthetic plastics, as well as the waste produced at the end of their life cycle, poses serious environmental issues. In this context, bio-based plastics, i.e., natural polymers produced from renewable resources, represent a promising alternative to petroleum-based materials. One potential source of biopolymers is waste from the food industry, the use of which also provides a sustainable and eco-friendly solution to waste management. Thus, the aim of this work concerns the extraction of polysaccharide fractions from lemon, tomato and fennel waste. Characterizing the chemical-physical and thermodynamic properties of these polysaccharides is an essential step in evaluating their potential applications. Hence, the solubility of the extracted polysaccharides in different solvents, including water and organic solvents, was determined since it is an important parameter that determines their properties and applications. Also, acid-base titration was carried out, along with thermoanalytical tests through differential scanning calorimetry. Finally, the electrospinning of waste polysaccharides was investigated to explore the feasibility of obtaining polysaccharide-based membranes. Indeed, electrospun fibers are a promising structure/system via which it is possible to apply waste polysaccharides in packaging or well-being applications. Thanks to processing feasibility, it is possible to electrospin waste polysaccharides by combining them with different materials to obtain porous 3D membranes made of nanosized fibers.
    MeSH term(s) Biopolymers/chemistry ; Polysaccharides ; Plastics/chemistry ; Solvents ; Food Handling
    Chemical Substances Biopolymers ; Polysaccharides ; Plastics ; Solvents
    Language English
    Publishing date 2023-09-30
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules28196894
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Characterization of the exopolymer-producing Pseudoalteromonas sp. S8-8 from Antarctic sediment.

    Rizzo, Carmen / Perrin, Elena / Poli, Annarita / Finore, Ilaria / Fani, Renato / Lo Giudice, Angelina

    Applied microbiology and biotechnology

    2022  Volume 106, Issue 21, Page(s) 7173–7185

    Abstract: A synergistic approach using cultivation methods, chemical, and bioinformatic analyses was applied to explore the potential of Pseudoalteromonas sp. S8-8 in the production of extracellular polymeric substances (EPSs) and the possible physiological traits ...

    Abstract A synergistic approach using cultivation methods, chemical, and bioinformatic analyses was applied to explore the potential of Pseudoalteromonas sp. S8-8 in the production of extracellular polymeric substances (EPSs) and the possible physiological traits related to heavy metal and/or antibiotic resistance. The effects of different parameters (carbon source, carbon source concentration, temperature, pH and NaCl supplement) were tested to ensure the optimization of growth conditions for EPS production by the strain S8-8. The highest yield of EPS was obtained during growth in culture medium supplemented with glucose (final concentration 2%) and NaCl (final concentration 3%), at 15 °C and pH 7. The EPS was mainly composed of carbohydrates (35%), followed by proteins and uronic acids (2.5 and 2.77%, respectively) and showed a monosaccharidic composition of glucose: mannose: galactosamine: galactose in the relative molar proportions of 1:0.7:0.5:0.4, as showed by the HPAE-PAD analysis. The detection of specific molecular groups (sulfates and uronic acid content) supported the interesting properties of EPSs, i.e. the emulsifying and cryoprotective action, heavy metal chelation, with interesting implication in bioremediation and biomedical fields. The analysis of the genome allowed to identify a cluster of genes involved in cellulose biosynthesis, and two additional gene clusters putatively involved in EPS biosynthesis. KEY POINTS: • A cold-adapted Pseudoalteromonas strain was investigated for EPS production. • The EPS showed emulsifying, cryoprotective, and heavy metal chelation functions. • Three gene clusters putatively involved in EPS biosynthesis were evidenced by genomic insights.
    MeSH term(s) Pseudoalteromonas/metabolism ; Extracellular Polymeric Substance Matrix/metabolism ; Sodium Chloride/metabolism ; Polysaccharides, Bacterial/metabolism ; Galactose/metabolism ; Mannose/metabolism ; Antarctic Regions ; Uronic Acids/metabolism ; Metals, Heavy/metabolism ; Sulfates/metabolism ; Glucose/metabolism ; Carbon/metabolism ; Galactosamine ; Cellulose/metabolism
    Chemical Substances Sodium Chloride (451W47IQ8X) ; Polysaccharides, Bacterial ; Galactose (X2RN3Q8DNE) ; Mannose (PHA4727WTP) ; Uronic Acids ; Metals, Heavy ; Sulfates ; Glucose (IY9XDZ35W2) ; Carbon (7440-44-0) ; Galactosamine (7535-00-4) ; Cellulose (9004-34-6)
    Language English
    Publishing date 2022-09-26
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 392453-1
    ISSN 1432-0614 ; 0171-1741 ; 0175-7598
    ISSN (online) 1432-0614
    ISSN 0171-1741 ; 0175-7598
    DOI 10.1007/s00253-022-12180-x
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    Zs.A 2229: Show issues Location:
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  8. Article ; Online: A rare case of prothrombin time prolongation.

    Camilleri, Eleonora / Maggini, Niccolò / Piccica, Matteo / Botta, Annarita / Poli, Daniela

    Internal and emergency medicine

    2020  Volume 16, Issue 1, Page(s) 237–239

    MeSH term(s) Acute Kidney Injury/therapy ; Anti-Bacterial Agents/adverse effects ; Aztreonam/adverse effects ; Bacteremia/drug therapy ; Bacteremia/microbiology ; Blood Coagulation Disorders/chemically induced ; Blood Coagulation Disorders/genetics ; Carcinoma, Squamous Cell/surgery ; Female ; Gastrostomy ; Humans ; Klebsiella Infections/drug therapy ; Klebsiella Infections/microbiology ; Laryngeal Neoplasms/surgery ; Middle Aged ; Platelet Count ; Postoperative Complications/therapy ; Prothrombin Time ; Renal Dialysis
    Chemical Substances Anti-Bacterial Agents ; Aztreonam (G2B4VE5GH8)
    Language English
    Publishing date 2020-06-17
    Publishing country Italy
    Document type Case Reports ; Letter
    ZDB-ID 2454173-4
    ISSN 1970-9366 ; 1828-0447
    ISSN (online) 1970-9366
    ISSN 1828-0447
    DOI 10.1007/s11739-020-02408-x
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    Zs.A 6673: Show issues Location:
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  9. Article ; Online: Thermophilic bacteria and their thermozymes in composting processes

    Ilaria Finore / Antonio Feola / Ludovica Russo / Andrea Cattaneo / Paola Di Donato / Barbara Nicolaus / Annarita Poli / Ida Romano

    Chemical and Biological Technologies in Agriculture, Vol 10, Iss 1, Pp 1-

    a review

    2023  Volume 22

    Abstract: Abstract In this review, the composting process of organic waste is discussed through an in-depth exploring of its thermophilic phase. It starts with the highlight on the thermodynamic evolution, which needs to be assessed when deciding to use reactors ... ...

    Abstract Abstract In this review, the composting process of organic waste is discussed through an in-depth exploring of its thermophilic phase. It starts with the highlight on the thermodynamic evolution, which needs to be assessed when deciding to use reactors for composting, also in the context of energy generation. The composting process is mediated by different types of microorganisms, and the bacteria that play key roles are evaluated. The roles of the genera Bacillus and Thermus are considered, often described as the main components of the microbiota of compost. Due to their adaptation to the composting processes, they are candidates for technological purposes. Subsequentially, the focus is moved on the thermostable enzymes that can be isolated from them and their succession during the composting processes. Experimental examples of enzyme-related literature are reviewed, for example investigating proteases and ureases, which are found at the beginning of the process. In addition, cellulases, hemicellulases, lignin-modifying enzymes, and esterases have been described for their activities during the thermophilic phase, giving them great potential for biotechnological and industrial applications. Following, the composition of the microbial community is analyzed through the description of approaches of metagenomics. Despite it being a relatively new but fast-growing field within biology, it is intended to be a priority analysis to acquire knowledge on genomes of environmental microorganisms and communities. Finally, a space is dedicated to the description of the composting plant which treats olive oil wastes within the LIFE TIRSAV PLUS project (LIFE05 ENV/IT/00845). Through two plant solutions, being the Dynamic and the Static Composting, it provides a high-quality compost with an effective, flexible and economical process. Graphical Abstract
    Keywords Compost ; Thermophilic phase ; Thermodynamics ; Metagenomics ; Thermozyme ; Thermophilic bacteria ; Agriculture ; S
    Subject code 660
    Language English
    Publishing date 2023-01-01T00:00:00Z
    Publisher SpringerOpen
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Physico-Chemical Properties and Valorization of Biopolymers Derived from Food Processing Waste

    Teresa Silvestri / Paola Di Donato / Irene Bonadies / Annarita Poli / Mariaenrica Frigione / Marco Biondi / Laura Mayol

    Molecules, Vol 28, Iss 6894, p

    2023  Volume 6894

    Abstract: The widespread use of synthetic plastics, as well as the waste produced at the end of their life cycle, poses serious environmental issues. In this context, bio-based plastics, i.e., natural polymers produced from renewable resources, represent a ... ...

    Abstract The widespread use of synthetic plastics, as well as the waste produced at the end of their life cycle, poses serious environmental issues. In this context, bio-based plastics, i.e., natural polymers produced from renewable resources, represent a promising alternative to petroleum-based materials. One potential source of biopolymers is waste from the food industry, the use of which also provides a sustainable and eco-friendly solution to waste management. Thus, the aim of this work concerns the extraction of polysaccharide fractions from lemon, tomato and fennel waste. Characterizing the chemical–physical and thermodynamic properties of these polysaccharides is an essential step in evaluating their potential applications. Hence, the solubility of the extracted polysaccharides in different solvents, including water and organic solvents, was determined since it is an important parameter that determines their properties and applications. Also, acid-base titration was carried out, along with thermoanalytical tests through differential scanning calorimetry. Finally, the electrospinning of waste polysaccharides was investigated to explore the feasibility of obtaining polysaccharide-based membranes. Indeed, electrospun fibers are a promising structure/system via which it is possible to apply waste polysaccharides in packaging or well-being applications. Thanks to processing feasibility, it is possible to electrospin waste polysaccharides by combining them with different materials to obtain porous 3D membranes made of nanosized fibers.
    Keywords polysaccharides ; food waste ; electrospinning ; nanosized fibers ; renewable resources ; DSC ; Organic chemistry ; QD241-441
    Subject code 540
    Language English
    Publishing date 2023-09-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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