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  1. Artikel ; Online: Graphene oxide and bacteria interactions: what is known and what should we expect?

    Simeonova, Diliana D / Pollmann, Katrin / Bianco, Alberto / Lièvremont, Didier

    mSphere

    2024  Band 9, Heft 1, Seite(n) e0071523

    Abstract: Graphene oxide (GO) and graphene-based materials (GBMs) have gained over the last two decades considerable attention due to their intrinsic physicochemical properties and their applications. Besides, a lot of concern regarding the potential toxicity of ... ...

    Abstract Graphene oxide (GO) and graphene-based materials (GBMs) have gained over the last two decades considerable attention due to their intrinsic physicochemical properties and their applications. Besides, a lot of concern regarding the potential toxicity of GBMs has emerged. One of the aspects of concern is the interactions between GBMs and different environmental compartments, especially indigenous microbial and, in particular, bacterial communities. Recent research showed that GO and GBMs impacted bacterial pure culture or bacterial communities; therefore, these interactions have to be further studied to better understand and assess the fate of these materials in the environment. Here, we present our opinion and hypotheses related to possible degradation mechanisms of GO that can be used by environmental bacteria. This work is the first attempt to deduce and summarize plausible degradation pathways of GO, from structurally similar recalcitrant and toxic compounds, such as polyaromatic hydrocarbons.
    Mesh-Begriff(e) Graphite/metabolism ; Bacteria/metabolism
    Chemische Substanzen graphene oxide ; Graphite (7782-42-5)
    Sprache Englisch
    Erscheinungsdatum 2024-01-10
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ISSN 2379-5042
    ISSN (online) 2379-5042
    DOI 10.1128/msphere.00715-23
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel: Interesting Halophilic Sulphur-Oxidising Bacteria with Bioleaching Potential: Implications for Pollutant Mobilisation from Mine Waste.

    Opara, Chiamaka Belsonia / Kamariah, Nor / Spooren, Jeroen / Pollmann, Katrin / Kutschke, Sabine

    Microorganisms

    2023  Band 11, Heft 1

    Abstract: For many years, research on the microbial-dissolution of metals from ores or waste materials mainly focussed on the study of acidophilic organisms. However, most acidophilic bioleaching microorganisms have limited tolerance to high chloride ... ...

    Abstract For many years, research on the microbial-dissolution of metals from ores or waste materials mainly focussed on the study of acidophilic organisms. However, most acidophilic bioleaching microorganisms have limited tolerance to high chloride concentrations, thereby requiring fresh water for bioleaching operations. There is a growing interest in the use of seawater for leaching purposes, especially in regions with less access to fresh water. Consequently, there is a need to find halophilic organisms with bioleaching potentials. This study investigated the bioleaching potentials of four moderately halophilic sulphur-oxidising bacteria:
    Sprache Englisch
    Erscheinungsdatum 2023-01-15
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms11010222
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Identification of yttrium oxide-specific peptides for future recycling of rare earth elements from electronic scrap.

    Maass, Danielle / Boelens, Peter / Bloss, Christoph / Claus, Gerda / Harter, Sonja / Günther, Dominik / Pollmann, Katrin / Lederer, Franziska

    Biotechnology and bioengineering

    2024  Band 121, Heft 3, Seite(n) 1026–1035

    Abstract: Yttrium is a heavy rare earth element (REE) that acquires remarkable characteristics when it is in oxide form and doped with other REEs. Owing to these characteristics ... ...

    Abstract Yttrium is a heavy rare earth element (REE) that acquires remarkable characteristics when it is in oxide form and doped with other REEs. Owing to these characteristics Y
    Mesh-Begriff(e) Metals, Rare Earth ; Yttrium ; Peptides/chemistry ; Peptide Library ; Electronics ; Minerals
    Chemische Substanzen yttria (X8071685XT) ; Metals, Rare Earth ; Yttrium (58784XQC3Y) ; Peptides ; Peptide Library ; Minerals
    Sprache Englisch
    Erscheinungsdatum 2024-01-02
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 280318-5
    ISSN 1097-0290 ; 0006-3592
    ISSN (online) 1097-0290
    ISSN 0006-3592
    DOI 10.1002/bit.28629
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Selective leaching of indium from spent LCD screens by siderophore desferrioxamine E.

    Zheng, Kun / Benedetti, Marc F / Jain, Rohan / Guy, Bradley M / Pollmann, Katrin / van Hullebusch, Eric D

    Journal of hazardous materials

    2024  Band 469, Seite(n) 134013

    Abstract: Given the criticality of indium (In) in high-tech applications, spent LCD screens can represent a viable secondary In resource. In this work, an innovative and alternative technology to selectively leach In from spent LCD screens using a microbial ... ...

    Abstract Given the criticality of indium (In) in high-tech applications, spent LCD screens can represent a viable secondary In resource. In this work, an innovative and alternative technology to selectively leach In from spent LCD screens using a microbial chelating agent, desferrioxamine E (DFOE), was developed. Indium was concentrated from spent LCD screens by implementing an adapted pre-treatment procedure, allowing the isolation of an indium-rich glassy fraction. During leaching, the competition between aluminum (Al) and In for complexation with DFOE leads to the precipitation of In(OH)
    Sprache Englisch
    Erscheinungsdatum 2024-03-12
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2024.134013
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Buch: Untersuchungen zur Entwicklung neuer Biokompositmaterialien zur Entfernung von Schadstoffen aus Abwaessern (Deutsch-Israelische Wassertechnolgie-Kooperation)

    Pollmann, Katrin

    Abstract: Ziel ist die Entwicklung von neuen Biokompositmaterialien, die fuer die Entfernung von Schadstoffen aus Waessern Verwendung finden. Die biologische Komponente dieser Materialien bilden Zellen von Pseudomonas putida ADP, ein Bakterium dass fuer den Abbau ... ...

    Körperschaft Helmholtz-Zentrum Dresden-Rossendorf e.V., Institut fuer Radiochemie, Bautzner Landstr. 400, 01328, Dresden, DE
    Abstract Ziel ist die Entwicklung von neuen Biokompositmaterialien, die fuer die Entfernung von Schadstoffen aus Waessern Verwendung finden. Die biologische Komponente dieser Materialien bilden Zellen von Pseudomonas putida ADP, ein Bakterium dass fuer den Abbau des Herbizids Atrazin genutzt wird, bzw. Zellen von Bacillus sphaericus B5T, ein Bakterienstamm, der von einer Uranabraumhalde in Sachsen isoliert wurde und grosse Mengen an Schwermetallen wie Uran bindet. Im Projekt werden verschiedene Immobilisierungsverfahren getestet und mit einander verglichen. Das Projekt besteht aus zwei unterschiedlichen Teilprojekten, die von den jeweiligen Partnern durchgefuehrt werden. Vom HZDR werden die bakteriellen Zellen mittels Sol-Gel-Technik in Biokeramiken eingebettet. Zu den Aufgabengebieten gehoeren die Kultivierung der Bakterien und die Optimierung von Wachstumsparametern zur Bestimmung des optimalen Erntezeitpunktes fuer die Immobilisierung der Zellen, die Weiterentwicklung von Verfahren zur Einbettung der Bakterien in Keramiken mittels Sol-Gel-Verfahren (in Zusammenarbeit mit der GMBU, Unterauftrag), sowie die Charakterisierung der Materialien hinsichtlich der Verteilung der Biomasse in den Keramiken, der Porositaet und ihrer Funktionalitaet (Metallbindung bzw. Atrazinabbau) im Reaktor.
    Schlagwörter Zelle ; Pseudomonas ; Bakterien ; Herbizidabbau ; Atrazin ; Verfahrenstechnik ; Kolloid ; Gel ; Keramik ; Reaktor ; Biomasse ; Porositaet ; Vergleichsuntersuchung ; Kulturtechnik ; Schadstoffelimination ; Biologische Abwasserreinigung ; Internationale Zusammenarbeit ; Schwermetallbindung ; Schadstoffimmobilisierung ; Verfahrensoptimierung ; Biologischer Abbau ; Wachstum (biologisch) ; Siedlungsabwasser ; Bundesrepublik Deutschland ; Israel
    Sprache Deutsch
    Dokumenttyp Buch
    Bemerkung Projektbeginn: 01.09.2011 Projektende: 31.08.2014 Foerdernummer: 02WA1223
    Datenquelle UmweltFORschungsDATenbank (UFORDAT) des Umweltbundesamtes (UBA)

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  6. Artikel: Halomonas gemina

    Hintersatz, Christian / Singh, Shalini / Rojas, Luis Antonio / Kretzschmar, Jerome / Wei, Sean Ting-Shyang / Khambhati, Khushal / Kutschke, Sabine / Lehmann, Falk / Singh, Vijai / Jain, Rohan / Pollmann, Katrin

    Frontiers in microbiology

    2023  Band 14, Seite(n) 1194916

    Abstract: Introduction: This study aimed to identify and characterize novel siderophore-producing organisms capable of secreting high quantities of the iron-binding compounds. In the course of this, two not yet reported halophilic strains designated ATCHA: ... ...

    Abstract Introduction: This study aimed to identify and characterize novel siderophore-producing organisms capable of secreting high quantities of the iron-binding compounds. In the course of this, two not yet reported halophilic strains designated ATCHA
    Methods: Both strains were characterized by polyphasic approach. Comparative analysis of the 16S rRNA gene sequences revealed their affiliation with the genus
    Results: The CAS assay confirmed the ability of both strains to produce iron-binding compounds. Genomic analysis of strain ATCHA
    Discussion: Phenotypic and genotypic characteristics clearly differentiated both strains from other members of the genus
    Sprache Englisch
    Erscheinungsdatum 2023-06-12
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article
    ZDB-ID 2587354-4
    ISSN 1664-302X
    ISSN 1664-302X
    DOI 10.3389/fmicb.2023.1194916
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: Application of Next Generation Sequencing (NGS) in Phage Displayed Peptide Selection to Support the Identification of Arsenic-Binding Motifs.

    Braun, Robert / Schönberger, Nora / Vinke, Svenja / Lederer, Franziska / Kalinowski, Jörn / Pollmann, Katrin

    Viruses

    2020  Band 12, Heft 12

    Abstract: Next generation sequencing (NGS) in combination with phage surface display (PSD) are powerful tools in the newly equipped molecular biology toolbox for the identification of specific target binding biomolecules. Application of PSD led to the discovery of ...

    Abstract Next generation sequencing (NGS) in combination with phage surface display (PSD) are powerful tools in the newly equipped molecular biology toolbox for the identification of specific target binding biomolecules. Application of PSD led to the discovery of manifold ligands in clinical and material research. However, limitations of traditional phage display hinder the identification process. Growth-based library biases and target-unrelated peptides often result in the dominance of parasitic sequences and the collapse of library diversity. This study describes the effective enrichment of specific peptide motifs potentially binding to arsenic as proof-of-concept using the combination of PSD and NGS. Arsenic is an environmental toxin, which is applied in various semiconductors as gallium arsenide and selective recovery of this element is crucial for recycling and remediation. The development of biomolecules as specific arsenic-binding sorbents is a new approach for its recovery. Usage of NGS for all biopanning fractions allowed for evaluation of motif enrichment, in-depth insight into the selection process and the discrimination of biopanning artefacts, e.g., the amplification-induced library-wide reduction in hydrophobic amino acid proportion. Application of bioinformatics tools led to the identification of an SxHS and a carboxy-terminal QxQ motif, which are potentially involved in the binding of arsenic. To the best of our knowledge, this is the first report of PSD combined with NGS of all relevant biopanning fractions.
    Mesh-Begriff(e) Amino Acid Motifs ; Amino Acid Sequence ; Arsenic/chemistry ; Arsenic/pharmacology ; Bacteriophages/genetics ; Binding Sites ; Cell Surface Display Techniques ; Computational Biology/methods ; Databases, Genetic ; High-Throughput Nucleotide Sequencing ; High-Throughput Screening Assays ; Humans ; Peptide Library ; Peptides/chemistry ; Peptides/genetics ; Protein Binding
    Chemische Substanzen Peptide Library ; Peptides ; Arsenic (N712M78A8G)
    Sprache Englisch
    Erscheinungsdatum 2020-11-27
    Erscheinungsland Switzerland
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2516098-9
    ISSN 1999-4915 ; 1999-4915
    ISSN (online) 1999-4915
    ISSN 1999-4915
    DOI 10.3390/v12121360
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Buch: Aptamer modifizierte bakterielle Oberflaechenstrukturen fuer die Entwicklung neuer Sensoren - Teilprojekt 1

    Pollmann, Katrin
    Titelvarianten AptaSens ; Aptamer-modified bacterial surface structures for the development of new sensors: Subproject: 1
    Körperschaft Helmholtz-Zentrum Dresden-Rossendorf e.V., Institut fuer Ressourcenoekologie, 01314, 01314, Dresden, DE
    Schlagwörter Biosensor ; Nanomaterialien ; Substrat ; Schadstoffnachweis ; Nukleinsaeure ; Bakterien ; Protein ; Struktur-Wirkung-Beziehung ; Organische Verbindung ; Fluoreszenz ; Detektor ; Organischer Schadstoff ; Wasserinhaltsstoff ; Wasseruntersuchung ; Gewaesserverunreinigung ; Selektivitaet
    Dokumenttyp Buch
    Bemerkung project start: 04/01/2009 project end: 03/31/2012 grant ID: 01RB0805A
    Datenquelle UmweltFORschungsDATenbank (UFORDAT) des Umweltbundesamtes (UBA)

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  9. Artikel: Au-interaction of slp1 polymers and monolayer from Lysinibacillus sphaericus jg-b53 - qcm-d, icp-ms and afm as tools for biomolecule-metal studies

    Suhr, Matthias / Raff, Johannes / Pollmann, Katrin

    Journal of visualized experiments. 2016 Jan. 19, , no. 107

    2016  

    Abstract: In this publication the gold sorption behavior of surface layer (S-layer) proteins (Slp1) of Lysinibacillus sphaericus JG-B53 is described. These biomolecules arrange in paracrystalline two-dimensional arrays on surfaces, bind metals, and are thus ... ...

    Abstract In this publication the gold sorption behavior of surface layer (S-layer) proteins (Slp1) of Lysinibacillus sphaericus JG-B53 is described. These biomolecules arrange in paracrystalline two-dimensional arrays on surfaces, bind metals, and are thus interesting for several biotechnical applications, such as biosorptive materials for the removal or recovery of different elements from the environment and industrial processes. The deposition of Au(0) nanoparticles on S-layers, either by S-layer directed synthesis 1 or adsorption of nanoparticles, opens new possibilities for diverse sensory applications. Although numerous studies have described the biosorptive properties of S-layers 2-5, a deeper understanding of protein-protein and protein-metal interaction still remains challenging. In the following study, inductively coupled mass spectrometry (ICP-MS) was used for the detection of metal sorption by suspended S-layers. This was correlated to measurements of quartz crystal microbalance with dissipation monitoring (QCM-D), which allows the online detection of proteinaceous monolayer formation and metal deposition, and thus, a more detailed understanding on metal binding. The ICP-MS results indicated that the binding of Au(III) to the suspended S-layer polymers is pH dependent. The maximum binding of Au(III) was obtained at pH 4.0. The QCM-D investigations enabled the detection of Au(III) sorption as well as the deposition of Au(0)-NPs in real-time during the in situ experiments. Further, this method allowed studying the influence of metal binding on the protein lattice stability of Slp1. Structural properties and protein layer stability could be visualized directly after QCM-D experiment using atomic force microscopy (AFM). In conclusion, the combination of these different methods provides a deeper understanding of metal binding by bacterial S-layer proteins in suspension or as monolayers on either bacterial cells or recrystallized surfaces.
    Schlagwörter Lysinibacillus sphaericus ; adsorption ; atomic force microscopy ; bacteria ; crystallization ; gold ; mass spectrometry ; nanogold ; nanoparticles ; pH ; polymers ; proteins ; quartz crystal microbalance
    Sprache Englisch
    Erscheinungsverlauf 2016-0119
    Umfang p. e53572.
    Erscheinungsort Journal of Visualized Experiments
    Dokumenttyp Artikel
    ZDB-ID 2259946-0
    ISSN 1940-087X
    ISSN 1940-087X
    DOI 10.3791/53572
    Datenquelle NAL Katalog (AGRICOLA)

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  10. Artikel ; Online: Gallium-binding peptides as a tool for the sustainable treatment of industrial waste streams.

    Schönberger, Nora / Taylor, Corey / Schrader, Martin / Drobot, Björn / Matys, Sabine / Lederer, Franziska L / Pollmann, Katrin

    Journal of hazardous materials

    2021  Band 414, Seite(n) 125366

    Abstract: Here we provide a proof of principle for an application-oriented concept for the peptide-based recovery of gallium in industrial wastewater, which was supported by biosorption studies with a real wastewater sample. We investigated the interaction of the ... ...

    Abstract Here we provide a proof of principle for an application-oriented concept for the peptide-based recovery of gallium in industrial wastewater, which was supported by biosorption studies with a real wastewater sample. We investigated the interaction of the gallium-binding peptides TMHHAAIAHPPH, NYLPHQSSSPSR, SQALSTSRQDLR, HTQHIQSDDHLA, and NDLQRHRLTAGP with gallium and arsenic through different experimental and computational approaches. Data obtained from isothermal titration microcalorimetry indicated a competitive influence by the presence of acetate ions with an exothermic contribution to the otherwise endothermic peptide gallium interactions. For peptide HTQHIQSDDHLA, a stabilizing influence of acetate ions on the metal peptide interaction was found. Peptide NYLPHQSSSPSR showed the highest affinity for gallium in ITC studies. Computational modeling of peptide NYLPHQSSSPSR was used to determine interaction parameters and to explain a possible binding mechanism. Furthermore, the peptides were immobilized on polystyrene beads. Thus, we created a novel and exceptionally robust peptide-based material for the biosorption of gallium from an aqueous solution. Data obtained from isothermal titration microcalorimetry indicated a competitive influence by the presence of acetate ions with an exothermic contribution to the otherwise endothermic peptide gallium interactions. For peptide HTQHIQSDDHLA, a stabilizing influence of acetate ions on the metal peptide interaction was found. Peptide NYLPHQSSSPSR showed the highest affinity for gallium in ITC studies. Computational modeling of peptide NYLPHQSSSPSR was used to determine interaction parameters and to explain a possible binding mechanism. Furthermore, the peptides were immobilized on polystyrene beads. Thus, we created a novel and exceptionally robust peptide-based material for the biosorption of gallium from an aqueous solution.
    Mesh-Begriff(e) Adsorption ; Gallium ; Industrial Waste ; Peptides ; Thermodynamics ; Waste Water
    Chemische Substanzen Industrial Waste ; Peptides ; Waste Water ; Gallium (CH46OC8YV4)
    Sprache Englisch
    Erscheinungsdatum 2021-02-17
    Erscheinungsland Netherlands
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1491302-1
    ISSN 1873-3336 ; 0304-3894
    ISSN (online) 1873-3336
    ISSN 0304-3894
    DOI 10.1016/j.jhazmat.2021.125366
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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