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        The extent of carbapenemase-encoding genes in public genome sequences.

        Janse, Ingmar; Beeloo, Rick; Swart, Arno; Visser, Michael; Schouls, Leo; van Duijkeren, Engeline; van Passel, Mark W J (2021-03-09)
        Genome sequences provide information on the genetic elements present in an organism, and currently there are databases containing hundreds of thousands of bacterial genome sequences. These repositories allow for mining patterns concerning antibiotic resistance gene occurrence in both pathogenic and non-pathogenic bacteria in e.g. natural or animal environments, and link these to relevant metadata such as bacterial host species, country and year of isolation, and co-occurrence with other resistance genes. In addition, the advances in the prediction of mobile genetic elements, and discerning chromosomal from plasmid DNA, broadens our view on the mechanism mediating dissemination. In this study we utilize the vast amount of data in the public database PATRIC to investigate the dissemination of carbapenemase-encoding genes (CEGs), the emergence and spread of which is considered a grave public health concern. Based on publicly available genome sequences from PATRIC and manually curated CEG sequences from the beta lactam database, we found 7,964 bacterial genomes, belonging to at least 70 distinct species, that carry in total 9,892 CEGs, amongst which blaNDM, blaOXA, blaVIM, blaIMP and blaKPC. We were able to distinguish between chromosomally located resistance genes (4,137; 42%) and plasmid-located resistance genes (5,753; 58%). We found that a large proportion of the identified CEGs were identical, i.e. displayed 100% nucleotide similarity in multiple bacterial species (8,361 out of 9,892 genes; 85%). For example, the New Delhi metallo-beta-lactamase NDM-1 was found in 42 distinct bacterial species, and present in seven different environments. Our data show the extent of carbapenem-resistance far beyond the canonical species Acetinobacter baumannii, Klebsiella pneumoniae or Pseudomonas aeruginosa. These types of data complement previous systematic reviews, in which carbapenem-resistant Enterobacteriaceae were found in wildlife, livestock and companion animals. Considering the widespread distribution of CEGs, we see a need for comprehensive surveillance and transmission studies covering more host species and environments, akin to previous extensive surveys that focused on extended spectrum beta-lactamases. This may help to fully appreciate the spread of CEGs and improve the understanding of mechanisms underlying transmission, which could lead to interventions minimizing transmission to humans.
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        Toxicity assessment of industrial engineered and airborne process-generated nanoparticles in a 3D human airway epithelial model.

        Bessa, Maria João; Brandão, Fátima; Fokkens, Paul; Cassee, Flemming R; Salmatonidis, Apostolos; Viana, Mar; Vulpoi, Adriana; Simon, Simion; Monfort, Eliseo; Teixeira, João Paulo; et al. (2021-03-18)
        The advanced ceramic technology has been pointed out as a potentially relevant case of occupational exposure to nanoparticles (NP). Not only when nanoscale powders are being used for production, but also in the high-temperature processing of ceramic materials there is also a high potential for NP release into the workplace environment. In vitro toxicity of engineered NP (ENP) [antimony tin oxide (Sb2O3•SnO2; ATO); zirconium oxide (ZrO2)], as well as process-generated NP (PGNP), and fine particles (PGFP), was assessed in MucilAir™ cultures at air-liquid interface (ALI). Cultures were exposed during three consecutive days to varying doses of the aerosolized NP. General cytotoxicity [lactate dehydrogenase (LDH) release, WST-1 metabolization], (oxidative) DNA damage, and the levels of pro-inflammatory mediators (IL-8 and MCP-1) were assessed. Data revealed that ENP (5.56 µg ATO/cm2 and 10.98 µg ZrO2/cm2) only caused mild cytotoxicity at early timepoints (24 h), whereas cells seemed to recover quickly since no significant changes in cytotoxicity were observed at late timepoints (72 h). No meaningful effects of the ENP were observed regarding DNA damage and cytokine levels. PGFP affected cell viability at dose levels as low as ∼9 µg/cm2, which was not seen for PGNP. However, exposure to PGNP (∼4.5 µg/cm2) caused an increase in oxidative DNA damage. These results indicated that PGFP and PGNP exhibit higher toxicity potential than ENP in mass per area unit. However, the presence of a mucociliary apparatus, as it occurs in vivo as a defense mechanism, seems to considerably attenuate the observed toxic effects. Our findings highlight the potential hazard associated with exposure to incidental NP in industrial settings.
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        Protection of drinking water resources from agricultural pressures: Effectiveness of EU regulations in the context of local realities.

        Wuijts, Susanne; Claessens, Jacqueline; Farrow, Luke; Doody, Donnacha G; Klages, Susanne; Christophoridis, Chris; Cvejić, Rozalija; Glavan, Matjaž; Nesheim, Ingrid; Platjouw, Froukje; et al. (2021-03-15)
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        Modelling the interplay of future changes and wastewater management measures on the microbiological river water quality considering safe drinking water production.

        Demeter, Katalin; Derx, Julia; Komma, Jürgen; Parajka, Juraj; Schijven, Jack; Sommer, Regina; Cervero-Aragó, Silvia; Lindner, Gerhard; Zoufal-Hruza, Christa M; Linke, Rita; et al. (2020-12-24)
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        The association of vitamin D with survival in colorectal cancer patients depends on antioxidant capacity.

        Boakye, Daniel; Jansen, Lina; Schöttker, Ben; Jansen, Eugene H J M; Halama, Niels; Maalmi, Haifa; Gào, Xin; Chang-Claude, Jenny; Hoffmeister, Michael; Brenner, Hermann (2021-03-19)
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        Contribution of pristine and reduced microbial extracellular polymeric substances of different sources to Cu(II) reduction.

        Xu, Hang; He, Erkai; Peijnenburg, Willie J G M; Song, Lan; Zhao, Ling; Xu, Xiaoyun; Cao, Xinde; Qiu, Hao (2021-03-12)
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        Human reading computer automated reading of chest X-rays in a tuberculosis screening programme in Romania.

        de Vries, Gerard; Gainaru, Dan; Keizer, Sytze; Mahler, Beatrice; Radulescu, Ileana; Zamfirescu, Marina; Abubakar, Ibrahim (2021-03-10)
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        Cost-effectiveness of a stepwise cardiometabolic disease prevention program: results of a randomized controlled trial in primary care.

        Stol, Daphne M; Over, Eelco A B; Badenbroek, Ilse F; Hollander, Monika; Nielen, Mark M J; Kraaijenhagen, Roderik A; Schellevis, François G; de Wit, Niek J; de Wit, G Ardine (2021-03-11)
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        Both non-smoking youth and smoking adults like sweet and minty e-liquid flavors more than tobacco flavor.

        Krüsemann, Erna J Z; van Tiel, Loes; Pennings, Jeroen L A; Vaessen, Wim; de Graaf, Kees; Talhout, Reinskje; Boesveldt, Sanne (2021-03-04)
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        Potency of olorofim (F901318) compared to contemporary antifungal agents against clinical isolates, and review of azole resistance phenotype and genotype epidemiology in China.

        Su, Huilin; Zhu, Min; Tsui, Clement Kin-Ming; van der Lee, Henrich; Tehupeiory-Kooreman, Marlou; Zoll, Jan; Engel, Tobias; Li, Li; Zhu, Junhao; Lu, Zihan; et al. (2021-03-08)
        Triazole resistance in A. fumigatus is an increasing worldwide problem that causes major challenges in the management of aspergillosis. New antifungal drugs are needed with novel targets, that are effective in triazole-resistant infection. In this study, we retrospectively evaluated potency of the novel drug olorofim compared to contemporary antifungal agents against 111 clinical A. fumigatus isolates collected from Huashan Hospital, Shanghai, China, using EUCAST methodology, and reviewed the literature on triazole resistant A. fumigatus published between 1966 and 2020 in China. Olorofim was active in vitro against all tested A. fumigatus isolates with MIC90 of 0.031mg/L (range 0.008-0.062 mg/L). For 4 triazole-resistant A. fumigatus (TRAF) isolates, the olorofim MIC ranged between 0.016-0.062mg/L. The reported rates of TRAF in China is 2.5% - 5.56% for clinical isolates, and 0-1.4% for environmental isolates.TR34/L98H/S297T/F495I is the predominant resistance mechanism, followed by TR34/L98H. Non TR-mediated TRAF isolates, mostly harboring a cyp51A single point mutation, showed greater genetic diversity than TR-mediated resistant isolates. Resistance due toTR34/L98H and TR34/L98H/S297T/F495I mutations among TRAF isolates might have evolved from separate local isolates in China. Continuous isolation of TRAF in China underscores the need for systematic resistance surveillance as well as the need for novel drug targets such as olorofim.
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        Berberine and Obatoclax Inhibit SARS-Cov-2 Replication in Primary Human Nasal Epithelial Cells In Vitro.

        Varghese, Finny S; van Woudenbergh, Esther; Overheul, Gijs J; Eleveld, Marc J; Kurver, Lisa; van Heerbeek, Niels; van Laarhoven, Arjan; Miesen, Pascal; den Hartog, Gerco; de Jonge, Marien I; et al. (2021-02-11)
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        Hepcidin-Mediated Hypoferremia Disrupts Immune Responses to Vaccination and Infection.

        Frost, Joe N; Tan, Tiong Kit; Abbas, Munawar; Wideman, Sarah K; Bonadonna, Michael; Stoffel, Nicole U; Wray, Katherine; Kronsteiner, Barbara; Smits, Gaby; Campagna, Dean R; et al.
        We used a hepcidin mimetic and several genetic models to examine the effect of low iron availability on T cells in vitro and on immune responses to vaccines and viral infection in mice. We examined humoral immunity in human patients with raised hepcidin and low serum iron caused by mutant TMPRSS6. We tested the effect of iron supplementation on vaccination-induced humoral immunity in piglets, a natural model of iron deficiency.
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        Surveillance of foodborne parasitic diseases in Europe in a One Health approach.

        van der Giessen, J; Deksne, G; Gomez-Morales, MA; Troeli, K; Gomes, J; et. al. (2021-02-23)
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        Unraveling the diurnal atmospheric ammonia budget of a prototypical convective boundary layer.

        Schulte, RB; van Zanten, MC; Rutledge-Jonker, S; Swart, DPJ; Wichink Kruit, RJ; Krol, MC; van Pul, WAJ (2021-02-11)
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        Trend analysis of reduced nitrogen components over the Netherlands with the EMEP4NL and OPS model.

        van der Swaluw, E; de Vries, W; Sauter, F; Wichink Kruit, R; Vieno, M; Fragerli, H; van Pul, A (2021-02-12)
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        The risk protection and redistribution effects of long-term care co-payments.

        Wouterse, B; Hussem, A; Wong, A (2021-01-13)
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        The impact of the WHO environmental noise guidelines (2018) in the Netherlands.

        Welkers, D (2020-12-12)
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        Persistence, bioaccumulation and toxicity-assessment of petroleum UVCBs: A case study on alkylated three-ring PAHs.

        Wassenaar, PNH; Verbruggen, EMJ (2021-01-13)
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        The importance of categorization of nanomaterials for environmental risk assessment.

        Peijnenburg, WJGM (2020-12-12)
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        Onnodige stigmatisering van BRMO-dragers.

        Niessen, WJM; van den Boogaard, J; Hagedoorn, N; Ott, A (2020-01-12)
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