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  • Springer Science and Business Media LLC  (15)
  • 1
    Online Resource
    Online Resource
    Geomicrobiology of the built environment
    Springer Science and Business Media LLC ; 2017
    In:  Nature Microbiology Vol. 2, No. 4 ( 2017-03-28)
    Details
    In: Nature Microbiology, Springer Science and Business Media LLC, Vol. 2, No. 4 ( 2017-03-28)
    Type of Medium: Online Resource
    ISSN: 2058-5276
    URL: Article
    DOI: 10.1038/nmicrobiol.2016.275
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2017
    detail.hit.zdb_id: 2845610-5
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  • 2
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    Solubilization of struvite and biorecovery of cerium by Aspergillus niger
    Springer Science and Business Media LLC ; 2022
    In:  Applied Microbiology and Biotechnology Vol. 106, No. 2 ( 2022-01), p. 821-833
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 106, No. 2 ( 2022-01), p. 821-833
    Abstract: Cerium has many modern applications such as in renewable energies and the biosynthesis of nanomaterials. In this research, natural struvite was solubilized by Aspergillus niger and the biomass-free struvite leachate was investigated for its ability to recover cerium. It was shown that struvite was completed solubilized following 2 weeks of fungal growth, which released inorganic phosphate (P i ) from the mineral by the production of oxalic acid. Scanning electron microscopy (SEM) showed that crystals with distinctive morphologies were formed in the natural struvite leachate after mixing with Ce 3+ . Energy-dispersive X-ray analysis (EDXA), X-ray diffraction (XRD) and Fourier-transform infrared spectroscopy (FTIR) confirmed the formation of cerium phosphate hydrate [Ce(PO 4 )·H 2 O] at lower Ce concentrations and a mixture of phosphate and cerium oxalate decahydrate [Ce 2 (C 2 O 4 ) 3 ·10H 2 O] at higher Ce concentrations. The formation of these biogenic Ce minerals leads to the removal of  〉  99% Ce from solution. Thermal decomposition experiments showed that the biogenic Ce phosphates could be transformed into a mixture of CePO 4 and CeO 2 (cerianite) after heat treatment at 1000 °C. These results provide a new perspective of the fungal biotransformation of soluble REE species using struvite leachate, and also indicate the potential of using the recovered REE as biomaterial precursors with possible applications in the biosynthesis of novel nanomaterials, elemental recycling and biorecovery. Key points • Cerium was recovered using a struvite leachate produced by A. niger . • Oxalic acid played a major role in struvite solubilization and Ce phosphate biorecovery. • Resulting nanoscale mineral products could serve as a precursor for Ce oxide synthesis.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-021-11721-0
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 1464336-4
    SSG: 12
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  • 3
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    Influence of metals and metalloids on the composition and fluorescence quenching of the extracellular polymeric substances produced by the polymorphic fungus Aureobasidium pullulans
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 16 ( 2020-08), p. 7155-7164
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 16 ( 2020-08), p. 7155-7164
    Abstract: Aureobasidium pullulans is a ubiquitous and widely distributed fungus in the environment, and exhibits substantial tolerance against toxic metals. However, the interactions between metals and metalloids with the copious extracellular polymeric substances (EPS) produced by A. pullulans and possible relationships to tolerance are not well understood. In this study, it was found that mercury (Hg) and selenium (Se), as selenite, not only significantly inhibited growth of A. pullulans but also affected the composition of produced EPS. Lead (Pb) showed little influence on EPS yield or composition. The interactions of EPS from A. pullulans with the tested metals and metalloids depended on the specific element and their concentration. Fluorescence intensity measurements of the EPS showed that the presence of metal(loid)s stimulated the production of extracellular tryptophan-like and aromatic protein-like substances. Examination of fluorescence quenching and calculation of binding constants revealed that the fluorescence quenching process for Hg; arsenic (As), as arsenite; and Pb to EPS were mainly governed by static quenching which resulted in the formation of a stable non-fluorescent complexes between the EPS and metal(loid)s. Se showed no significant interaction with the EPS according to fluorescence quenching. These results provide further understanding of the interactions between metals and metalloids and EPS produced by fungi and their contribution to metal(loid) tolerance. Key points • Metal(loid)s enhanced production of tryptophan- and aromatic protein-like substances. • Non-fluorescent complexes formed between the EPS and tested metal(loid)s. • EPS complexation and binding of metal(loid)s was dependent on the tested element. • Metal(loid)-induced changes in EPS composition contributed to metal(loid) tolerance.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-020-10732-7
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
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  • 4
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    Microplastics provide new microbial niches in aquatic environments
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 15 ( 2020-08), p. 6501-6511
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 15 ( 2020-08), p. 6501-6511
    Abstract: Microplastics in the biosphere are currently of great environmental concern because of their potential toxicity for aquatic biota and human health and association with pathogenic microbiota. Microplastics can occur in high abundance in all aquatic environments, including oceans, rivers and lakes. Recent findings have highlighted the role of microplastics as important vectors for microorganisms, which can form fully developed biofilms on this artificial substrate. Microplastics therefore provide new microbial niches in the aquatic environment, and the developing biofilms may significantly differ in microbial composition compared to natural free-living or particle-associated microbial populations in the surrounding water. In this article, we discuss the composition and ecological function of the microbial communities found in microplastic biofilms. The potential factors that influence the richness and diversity of such microbial microplastic communities are also evaluated. Microbe-microbe and microbe-substrate interactions in microplastic biofilms have been little studied and are not well understood. Multiomics tools together with morphological, physiological and biochemical analyses should be combined to provide a more comprehensive overview on the ecological role of microplastic biofilms. These new microbial niches have so far unknown consequences for microbial ecology and environmental processes in aquatic ecosystems. More knowledge is required on the microbial community composition of microplastic biofilms and their ecological functions in order to better evaluate consequences for the environment and animal health, including humans, especially since the worldwide abundance of microplastics is predicted to dramatically increase. Key Points • Bacteria are mainly studied in community analyses: fungi are neglected. • Microbial colonization of microplastics depends on substrate, location and time. • Community ecology is a promising approach to investigate microbial colonization. • Biodegradable plastics, and ecological roles of microplastic biofilms, need analysis.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-020-10704-x
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
    SSG: 12
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  • 5
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    Fungal bioremediation of soil co-contaminated with petroleum hydrocarbons and toxic metals
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 21 ( 2020-11), p. 8999-9008
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 21 ( 2020-11), p. 8999-9008
    Abstract: Much research has been carried out on the bacterial bioremediation of soil contaminated with petroleum hydrocarbons and toxic metals but much less is known about the potential of fungi in sites that are co-contaminated with both classes of pollutants. This article documents the roles of fungi in soil polluted with both petroleum hydrocarbons and toxic metals as well as the mechanisms involved in the biotransformation of such substances. Soil characteristics (e.g., structural components, pH, and temperature) and intracellular or excreted extracellular enzymes and metabolites are crucial factors which affect the efficiency of combined pollutant transformations. At present, bioremediation of soil co-contaminated with petroleum hydrocarbons and toxic metals is mostly focused on the removal, detoxification, or degradation efficiency of single or composite pollutants of each type. Little research has been carried out on the metabolism of fungi in response to complex pollutant stress. To overcome current bottlenecks in understanding fungal bioremediation, the potential of new approaches, e.g., gradient diffusion film technology (DGT) and metabolomics, is also discussed. Key points • Fungi play important roles in soil co-contaminated with TPH and toxic metals. • Soil characteristics, enzymes, and metabolites are major factors in bioremediation. • DGT and metabolomics can be applied to overcome current bottlenecks.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-020-10854-y
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
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  • 6
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    Biorecovery of cobalt and nickel using biomass-free culture supernatants from Aspergillus niger
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 1 ( 2020-01), p. 417-425
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 1 ( 2020-01), p. 417-425
    Abstract: In this research, the capabilities of culture supernatants generated by the oxalate-producing fungus Aspergillus niger for the bioprecipitation and biorecovery of cobalt and nickel were investigated, as was the influence of extracellular polymeric substances (EPS) on these processes. The removal of cobalt from solution was 〉 90% for all tested Co concentrations: maximal nickel recovery was 〉 80%. Energy-dispersive X-ray analysis (EDXA) and X-ray diffraction (XRD) confirmed the formation of cobalt and nickel oxalate. In a mixture of cobalt and nickel, cobalt oxalate appeared to predominate precipitation and was dependent on the mixture ratios of the two metals. The presence of EPS together with oxalate in solution decreased the recovery of nickel but did not influence the recovery of cobalt. Concentrations of extracellular protein showed a significant decrease after precipitation while no significant difference was found for extracellular polysaccharide concentrations before and after oxalate precipitation. These results showed that extracellular protein rather than extracellular polysaccharide played a more important role in influencing the biorecovery of metal oxalates from solution. Excitation–emission matrix (EEM) fluorescence spectroscopy showed that aromatic protein-like and hydrophobic acid-like substances from the EPS complexed with cobalt but did not for nickel. The humic acid-like substances from the EPS showed a higher affinity for cobalt than for nickel.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-019-10241-2
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
    SSG: 12
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  • 7
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    Correction to: a new Rhodococcus aetherivorans strain isolated from lubricant-contaminated soil as a prospective phenol-biodegrading agent
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 8 ( 2020-04), p. 3689-3690
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 8 ( 2020-04), p. 3689-3690
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-020-10489-z
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
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  • 8
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    Biotransformation of lanthanum by Aspergillus niger
    Springer Science and Business Media LLC ; 2019
    In:  Applied Microbiology and Biotechnology Vol. 103, No. 2 ( 2019-1), p. 981-993
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 103, No. 2 ( 2019-1), p. 981-993
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-018-9489-0
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2019
    detail.hit.zdb_id: 1464336-4
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  • 9
    Online Resource
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    A new Rhodococcus aetherivorans strain isolated from lubricant-contaminated soil as a prospective phenol-biodegrading agent
    Springer Science and Business Media LLC ; 2020
    In:  Applied Microbiology and Biotechnology Vol. 104, No. 8 ( 2020-04), p. 3611-3625
    Details
    In: Applied Microbiology and Biotechnology, Springer Science and Business Media LLC, Vol. 104, No. 8 ( 2020-04), p. 3611-3625
    Abstract: Microbe-based decontamination of phenol-polluted environments has significant advantages over physical and chemical approaches by being relatively cheaper and ensuring complete phenol degradation. There is a need to search for commercially prospective bacterial strains that are resistant to phenol and other co-pollutants, e.g. oil hydrocarbons, in contaminated environments, and able to carry out efficient phenol biodegradation at a variable range of concentrations. This research characterizes the phenol-biodegrading ability of a new actinobacteria strain isolated from a lubricant-contaminated soil environment. Phenotypic and phylogenetic analyses showed that the novel strain UCM Ac-603 belonged to the species Rhodococcus aetherivorans , and phenol degrading ability was quantitatively characterized for the first time. R . aetherivorans UCM Ac-603 tolerated and assimilated phenol (100% of supplied concentration) and various hydrocarbons (56.2–94.4%) as sole carbon sources. Additional nutrient supplementation was not required for degradation and this organism could grow at a phenol concentration of 500 mg L −1 without inhibition. Complete phenol assimilation occurred after 4 days at an initial concentration of 1750 mg L −1 for freely-suspended cells and at 2000 mg L −1 for vermiculite-immobilized cells: 99.9% assimilation of phenol was possible from a total concentration of 3000 mg L −1 supplied at daily fractional phenol additions of 750 mg L −1 over 4 days. In terms of phenol degradation rates, R . aetherivorans UCM Ac-602 showed efficient phenol degradation over a wide range of initial concentrations with the rates (e.g. 35.7 mg L −1  h −1 at 500 mg L −1 phenol, and 18.2 mg L −1  h −1 at 1750 mg L −1 phenol) significantly exceeding (1.2–5 times) reported data for almost all other phenol-assimilating bacteria. Such efficient phenol degradation ability compared to currently known strains and other beneficial characteristics of R . aetherivorans UCM Ac-602 suggest it is a promising candidate for bioremediation of phenol-contaminated environments.
    Type of Medium: Online Resource
    ISSN: 0175-7598 , 1432-0614
    URL: Article
    DOI: 10.1007/s00253-020-10385-6
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2020
    detail.hit.zdb_id: 1464336-4
    SSG: 12
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  • 10
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    Influence of arbuscular mycorrhizal fungi (AMF) on zinc biogeochemistry in the rhizosphere of Lindenbergia philippensis growing in zinc-contaminated sediment
    Springer Science and Business Media LLC ; 2013
    In:  BioMetals Vol. 26, No. 3 ( 2013-6), p. 489-505
    Details
    In: BioMetals, Springer Science and Business Media LLC, Vol. 26, No. 3 ( 2013-6), p. 489-505
    Type of Medium: Online Resource
    ISSN: 0966-0844 , 1572-8773
    URL: Article
    DOI: 10.1007/s10534-013-9634-2
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2013
    detail.hit.zdb_id: 1496519-7
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