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  1. Article: Potential Allergenicity of Plants Used in Allergological Communication: An Untapped Tool for Prevention.

    Magyar, Donát

    Plants (Basel, Switzerland)

    2023  Volume 12, Issue 6

    Abstract: Plants are often used to illustrate allergy-related medical products, services, patient information materials and news. The illustration of allergenic plants is an important tool in patient education, contributing to the prevention of pollinosis, as ... ...

    Abstract Plants are often used to illustrate allergy-related medical products, services, patient information materials and news. The illustration of allergenic plants is an important tool in patient education, contributing to the prevention of pollinosis, as patients can recognize plants and avoid pollen exposure. In this study, it is aimed to evaluate the pictorial content of allergy-related websites depicting plants. A total of 562 different photographs depicting plants were collected using image search, identified and categorized according to their potential allergenicity. Of the total 124 plant taxa, 25% of plants were identified to the genus level and a further 68% were identified to the species level. Plants with low allergenicity were found in 85.4% of the pictures, while plants of high allergenicity were shown in only 4.5% of the pictorial information.
    Language English
    Publishing date 2023-03-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704341-1
    ISSN 2223-7747
    ISSN 2223-7747
    DOI 10.3390/plants12061334
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Recent Advances in the Detection of Indoor Fungi.

    Magyar, Donát

    Pathogens (Basel, Switzerland)

    2023  Volume 12, Issue 9

    Abstract: According to reviews carried out by numerous studies from different geographic areas and by several scientific bodies, including the WHO [ ... ]. ...

    Abstract According to reviews carried out by numerous studies from different geographic areas and by several scientific bodies, including the WHO [...].
    Language English
    Publishing date 2023-09-06
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens12091136
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Indoor air quality in Hungarian passive houses

    Szabados, Máté / Magyar, Donát / Tischner, Zsófia / Szigeti, Tamás

    Atmospheric Environment. 2023 Aug., v. 307 p.119857-

    2023  

    Abstract: The indoor air quality (IAQ) was investigated in 15 Passive Houses in the heating and non-heating seasons between 2019 and 2021 in Hungary. The concentrations of volatile organic compounds (VOCs), aldehydes, ozone, nitrogen dioxide, PM₂.₅ mass, carbon ... ...

    Abstract The indoor air quality (IAQ) was investigated in 15 Passive Houses in the heating and non-heating seasons between 2019 and 2021 in Hungary. The concentrations of volatile organic compounds (VOCs), aldehydes, ozone, nitrogen dioxide, PM₂.₅ mass, carbon dioxide, bacteria, fungi, and pollen were measured together with the monitoring of temperature, relative humidity and air change rate (ACR). The IAQ varied considerably among the investigated buildings. Significant seasonal differences were obtained for all physical parameters (temperature, relative humidity, ACR), certain VOCs (benzene, α-pinene, limonene), acetaldehyde, and airborne fungi. Considerable health concern was associated with the indoor concentrations of PM₂.₅ mass and nitrogen dioxide in many cases based on the evaluation of IAQ in relation to potential adverse health effects, while the peak concentrations of other pollutants (e.g. trichloroethylene, α-pinene, certain aldehydes, fungi) were also of concern in a couple of cases. The median indoor/outdoor concentration ratios of benzene, PM₂.₅ mass, nitrogen dioxide, ozone and fungi indicated that these pollutants are mainly of outdoor origin, while the other VOCs, aldehydes and bacteria showed higher concentration indoors. Overheating, the lack of proper particle filters in the mechanical ventilation system, and low ACR and relative humidity were identified as frequent problems related to the building characteristics. The emissions from building materials and furniture, the proximity of construction works and unpaved roads, and the allergenic vegetation might considerably influence IAQ. The results highlight that risk reduction measures are needed to create healthier indoor environment in the Passive Houses.
    Keywords acetaldehyde ; air ; air quality ; allergenicity ; benzene ; carbon dioxide ; environment ; furniture ; heat ; limonene ; nitrogen dioxide ; ozone ; pollen ; relative humidity ; risk reduction ; temperature ; trichloroethylene ; vegetation ; ventilation systems ; volatile organic compounds ; Hungary ; Dwelling ; Energy-efficient building ; Indoor air quality ; Passive house ; Seasonal variation
    Language English
    Dates of publication 2023-08
    Publishing place Elsevier Ltd
    Document type Article ; Online
    Note Use and reproduction
    ZDB-ID 216368-8
    ISSN 0004-6981 ; 1352-2310
    ISSN 0004-6981 ; 1352-2310
    DOI 10.1016/j.atmosenv.2023.119857
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    In stock of ZB MED Cologne/Königswinter

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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  4. Article ; Online: A regulation-oriented approach for allergenicity categorization of plants

    Magyar, Donát / Páldy, Anna / Szigeti, Tamás / Orlóci, László

    Urban Forestry & Urban Greening. 2022 Apr., v. 70 p.127530-

    2022  

    Abstract: Plant species have different degrees of allergenicity. Existing systems categorizing plants according their allergenicity were reviewed to find a method that could serve as the basis for the regulation of green areas. The categorization of plants by ... ...

    Abstract Plant species have different degrees of allergenicity. Existing systems categorizing plants according their allergenicity were reviewed to find a method that could serve as the basis for the regulation of green areas. The categorization of plants by their allergenicity serves different purposes: informing allergic patients, warning consumers in horticultural stands, or evaluating urban green areas. The regulation of allergenic plants in trade and their use in urban greening is a new, emerging application of allergenic categorization. Our review showed that the existing systems cannot be used for this purpose, because they cannot fulfill the main requirements of regulation: the methods were often not described, and this affected reproducibility and there was a lack of evidence on allergenicity. To overcome these issues, a new, evidence-based categorization (CARE-S) was developed using genetically determined factors of plants: immunogenicity, morphology, and pollen production. 529 plant taxa were categorized, mostly those common in urban areas in the Pannonian Biogeographical Region. The new system can be applied in other biogeographic areas and on new plant varieties by an online calculator tool. An adaptation strategy of CARE-S in regulations is also proposed. Additional benefits of CARE-S: 1: promoting the development of low-allergenic cultivars, 2: identifying overlooked allergens, recommending their use in clinical tests, 3: calling attention to plant taxa which need more research in allergology or botany; 4: providing a legal tool to prevent the introduction and dispersal of (new) allergenic plants. As a further step the authors suggest developing another tool, epidemiological allergenicity, derivated from CARE-S, aiming to characterize the geographically-determined effects of plants on human populations.
    Keywords allergenicity ; botany ; cultivars ; geographical distribution ; horticulture ; humans ; immunogenicity ; pollen productivity ; trade ; urban forestry ; Pollen ; Allergy ; Allergenicity categories ; Urban green areas ; Legislation
    Language English
    Dates of publication 2022-04
    Publishing place Elsevier GmbH
    Document type Article ; Online
    Note Use and reproduction
    ISSN 1618-8667
    DOI 10.1016/j.ufug.2022.127530
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  5. Article: Hagnosa longicapillata

    Magyar, Donát / Tartally, András / Merényi, Zsolt

    Pathogens (Basel, Switzerland)

    2022  Volume 11, Issue 5

    Abstract: ... Hagnosa ... ...

    Abstract Hagnosa longicapillata
    Language English
    Publishing date 2022-05-18
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens11050593
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Detection of antimicrobial resistance genes in urban air.

    Becsei, Ágnes / Solymosi, Norbert / Csabai, István / Magyar, Donát

    MicrobiologyOpen

    2021  Volume 10, Issue 6, Page(s) e1248

    Abstract: To understand antibiotic resistance in pathogenic bacteria, we need to monitor environmental microbes as reservoirs of antimicrobial resistance genes (ARGs). These bacteria are present in the air and can be investigated with the whole metagenome shotgun ... ...

    Abstract To understand antibiotic resistance in pathogenic bacteria, we need to monitor environmental microbes as reservoirs of antimicrobial resistance genes (ARGs). These bacteria are present in the air and can be investigated with the whole metagenome shotgun sequencing approach. This study aimed to investigate the feasibility of a method for metagenomic analysis of microbial composition and ARGs in the outdoor air. Air samples were collected with a Harvard impactor in the PM
    MeSH term(s) Air Microbiology ; Bacteria/genetics ; Cities ; Drug Resistance, Bacterial/genetics ; Genes, Bacterial ; Metagenome ; Microbiota ; Sensitivity and Specificity
    Language English
    Publishing date 2021-11-25
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2661368-2
    ISSN 2045-8827 ; 2045-8827
    ISSN (online) 2045-8827
    ISSN 2045-8827
    DOI 10.1002/mbo3.1248
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Characterization of Indoor Molds after Ajka Red Mud Spill, Hungary.

    Magyar, Donát / Tischner, Zsófia / Szabó, Bence / Freiler-Nagy, Ágnes / Papp, Tamás / Allaga, Henrietta / Kredics, László

    Pathogens (Basel, Switzerland)

    2023  Volume 13, Issue 1

    Abstract: A red mud suspension of ~700,000 ... ...

    Abstract A red mud suspension of ~700,000 m
    Language English
    Publishing date 2023-12-26
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens13010022
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  8. Article: Survival and growth of microscopic fungi derived from tropical regions under future heat waves in the Pannonian Biogeographical Region

    Tischner, Zsófia / Páldy, Anna / Kocsubé, Sándor / Kredics, László / Dobolyi, Csaba / Sebők, Rózsa / Kriszt, Balázs / Szabó, Bence / Magyar, Donát

    Fungal biology. 2022 Apr. 20,

    2022  

    Abstract: Warming and heat waves are predicted by different climate models in the near future in the Pannonian Biogeographical Region (PBR). These climatic effects may have impact on the prevalence and distribution of certain fungal species of this area. In this ... ...

    Abstract Warming and heat waves are predicted by different climate models in the near future in the Pannonian Biogeographical Region (PBR). These climatic effects may have impact on the prevalence and distribution of certain fungal species of this area. In this study the effects of predicted climate scenarios were tested on fungi being endemic or unintentionally introduced by global trade from regions of warm temperate climate. Common fungal species were selected for the study and exposed to heat waves during 7 days according to two climate scenarios: one moderately (RCP 4.5, Tₐᵥg = 27 °C, Tₘₐₓ = 35 °C, RH: 100%) and one strongly pessimistic (RCP 8.5, Tₐᵥg = 30 °C, Tₘₐₓ = 40 °C, RH: 100%) that include predictions for the Central Hungarian Region for July 2050. According to our results, Aspergillus flavus, Aspergillus niger, Aspergillus tubingensis and Fusarium strains introduced from tropical regions tolerated heat waves, unlike Penicillium and Talaromyces spp. and endemic Cladosporium spp. which were unable to grow under the RCP 8.5 treatment. The effects of climate change on fungi raise new issues not only from economic and health perspectives, but also in relation with plant protection and environment. Our results suggest that heat waves driven by climate change promote the colonization and growth of the tested strains of non-native fungi more likely than that of the native ones.
    Keywords Aspergillus flavus ; Aspergillus niger ; Aspergillus tubingensis ; Cladosporium ; Fusarium ; Penicillium ; Talaromyces ; climate change ; fungi ; geographical distribution ; heat ; international trade ; mycology ; plant protection ; temperate zones ; Hungary
    Language English
    Dates of publication 2022-0420
    Publishing place Elsevier Ltd
    Document type Article
    Note Pre-press version
    ZDB-ID 2532164-X
    ISSN 1878-6162 ; 1878-6146
    ISSN (online) 1878-6162
    ISSN 1878-6146
    DOI 10.1016/j.funbio.2022.04.005
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  9. Article: The Occurrence of Skeletons of Silicoflagellata and Other Siliceous Bioparticles in Floral Honeys.

    Magyar, Donát / Dumitrica, Paulian / Mura-Mészáros, Anna / Medzihradszky, Zsófia / Leelőssy, Ádám / Saint Martin, Simona

    Foods (Basel, Switzerland)

    2021  Volume 10, Issue 2

    Abstract: Siliceous marine microfossils were unexpectedly discovered during the analysis of flower honey samples from Poland and Tunisia. The microfossils were represented by protist with siliceous skeletons: silicoflagellates, diatoms, and endoskeletal ... ...

    Abstract Siliceous marine microfossils were unexpectedly discovered during the analysis of flower honey samples from Poland and Tunisia. The microfossils were represented by protist with siliceous skeletons: silicoflagellates, diatoms, and endoskeletal dinoflagellates. This is the first record of such microfossils in honeys. Based on the high percent of anemophilous pollen grains and spores in the sample, it was hypothesized that silicoflagellates were deposited from the air onto the nectariferous flowers, then bees harvested them with the nectar. Based on the comparison of pollen content of honeys and flowering calendar of Tunisia, the harvest time of honey was identified as a period between 1 April and 31 May 2011. Trajectory analysis of air masses in this period confirmed that siliceous microfossils could be aerosolized by wind from the rocks of the so-called Tripoli Formation of Messinian age (6-7 Ma). Similar to the Tunisian case, the Polish trajectory simulation also supports the hypothesis of atmospheric transport of silicoflagellates from outcrops of Oligocene age in the Polish Outer Carpathians. In the case of diatom content of honey, however, the source can be both natural (wind) and artificial (diatomaceous earth filters). For a correct determination, natural sources of siliceous bioparticles, such as wind transport from nearby outcrops should be also considered. Silicoflagellates could be used as complementary indicators of the geographical origin of honeys collected in areas characterized by diatomite outcrops, supporting the results obtained with other methods; thus, such indicators merit further studies within the area of honey authenticity.
    Language English
    Publishing date 2021-02-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods10020421
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Mycological Investigation of Bottled Water Dispensers in Healthcare Facilities

    Tischner, Zsófia / Sebők, Rózsa / Kredics, László / Allaga, Henrietta / Vargha, Márta / Sebestyén, Ágnes / Dobolyi, Csaba / Kriszt, Balázs / Magyar, Donát

    Pathogens. 2021 July 10, v. 10, no. 7

    2021  

    Abstract: The usage of bottled water dispensers (BWDs) has spread worldwide. Despite their popularity, few studies have dealt with their microbial contaminants, and little attention is given to their fungal contamination. To our knowledge this is the first ... ...

    Abstract The usage of bottled water dispensers (BWDs) has spread worldwide. Despite their popularity, few studies have dealt with their microbial contaminants, and little attention is given to their fungal contamination. To our knowledge this is the first mycological study of BWDs in Europe. 36 devices have been examined in Budapest, Hungary. Despite of the strictly regulated water hygiene system in Hungary, molds and yeasts were detected in 86.8% of the samples, 56.76% were highly contaminated. Elevated heterotrophic plate counts were also observed in all samples compared to that of Hungarian drinking water. As all physical and chemical water quality characteristics have met the relevant national and European parametric values and neither totally explained the results of microbial counts, the effect of usage and maintenance habits of the devices were examined. Fungal concentrations were affected by the time elapsed since disinfection, days remaining until expiration of bottles, month of sampling and exposure to sunlight during storage. Microbes are able to proliferate in the bottled water and disperse inside the BWDs. Many of the detected fungal species (Sarocladium kiliense, Acremonium sclerotigenum/egyptiacum, Exophiala jeanselmei var. lecanii-corni, Exophiala equina, Meyerozyma guilliermondii, Cystobasidium slooffiae, Aspergillus jensenii, Bisifusarium biseptatum) are opportunistic pathogens for subpopulations of sensitive age groups and patients with immunodeficient conditions, including cystic fibrosis. Thus BWDs may pose a health risk to visitors of healthcare institutions, especially to patients with oral lesions in dental surgeries. The study draws attention to the need to investigate microbial contamination of these devices in other countries as well.
    Keywords Acremonium ; Aspergillus ; Exophiala ; Meyerozyma guilliermondii ; Sarocladium ; bottled water ; cystic fibrosis ; disinfection ; fungal contamination ; health services ; hygiene ; risk ; water quality ; Hungary
    Language English
    Dates of publication 2021-0710
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens10070871
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