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  1. Article: Selection and Amplification of Fungicide Resistance in

    Doughty, Kevin J / Sierotzki, Helge / Semar, Martin / Goertz, Andreas

    Microorganisms

    2021  Volume 9, Issue 12

    Abstract: Aspergillus ... ...

    Abstract Aspergillus fumigatus
    Language English
    Publishing date 2021-11-26
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms9122439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book ; Online ; Thesis: Auftreten der Fusarium-Kolbenfäule im Maisanbau in Deutschland und Maßnahmen zur Vermeidung der Mykotoxinbelastung in Maiskörnern

    Görtz, Andreas

    2010  

    Author's details vorgelegt von Andreas Görtz
    Language German
    Size Online-Ressource
    Document type Book ; Online ; Thesis
    Thesis / German Habilitation thesis Univ., Diss.--Bonn, 2009
    Database Special collection on veterinary medicine and general parasitology

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  3. Article: Selection and Amplification of Fungicide Resistance in Aspergillus fumigatus in Relation to DMI Fungicide Use in Agronomic Settings: Hotspots versus Coldspots

    Doughty, Kevin J. / Sierotzki, Helge / Semar, Martin / Goertz, Andreas

    Microorganisms. 2021 Nov. 26, v. 9, no. 12

    2021  

    Abstract: Aspergillus fumigatus is a ubiquitous saprophytic fungus. Inhalation of A. fumigatus spores can lead to Invasive Aspergillosis (IA) in people with weakened immune systems. The use of triazole antifungals with the demethylation inhibitor (DMI) mode of ... ...

    Abstract Aspergillus fumigatus is a ubiquitous saprophytic fungus. Inhalation of A. fumigatus spores can lead to Invasive Aspergillosis (IA) in people with weakened immune systems. The use of triazole antifungals with the demethylation inhibitor (DMI) mode of action to treat IA is being hampered by the spread of DMI-resistant “ARAf” (azole-resistant Aspergillus fumigatus) genotypes. DMIs are also used in the environment, for example, as fungicides to protect yield and quality in agronomic settings, which may lead to exposure of A. fumigatus to DMI residues. An agronomic setting can be a “hotspot” for ARAf if it provides a suitable substrate and favourable conditions for the growth of A. fumigatus in the presence of DMI fungicides at concentrations capable of selecting ARAf genotypes at the expense of the susceptible wild-type, followed by the release of predominantly resistant spores. Agronomic settings that do not provide these conditions are considered “coldspots". Identifying and mitigating hotspots will be key to securing the agronomic use of DMIs without compromising their use in medicine. We provide a review of studies of the prevalence of ARAf in various agronomic settings and discuss the mitigation options for confirmed hotspots, particularly those relating to the management of crop waste.
    Keywords Aspergillus fumigatus ; antifungal agents ; aspergillosis ; breathing ; crop residues ; demethylation ; fungi ; fungicide resistance ; fungicides ; mechanism of action ; medicine ; people ; saprophytes ; triazoles
    Language English
    Dates of publication 2021-1126
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2720891-6
    ISSN 2076-2607
    ISSN 2076-2607
    DOI 10.3390/microorganisms9122439
    Database NAL-Catalogue (AGRICOLA)

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  4. Book ; Online ; Thesis: Auftreten der Fusarium-Kolbenfäule im Maisanbau in Deutschland und Maßnahmen zur Vermeidung der Mykotoxinbelastung in Maiskörnern

    Görtz, Andreas [Verfasser]

    2010  

    Author's details von Andreas Görtz
    Keywords Landwirtschaft, Veterinärmedizin ; Agriculture, Veterinary Science
    Subject code sg630
    Language German
    Document type Book ; Online ; Thesis
    Database Digital theses on the web

    Full text online

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  5. Article: Status of sensitivity of Northern German Botrytis populations to the new SDHI fungicide fluopyram prior to its release as a commercial fungicide

    Weber, Roland W. S. / Entrop, Alfred-Peter / Goertz, Andreas / Mehl, Andreas

    Journal of plant diseases and protection

    2015  Volume 122, Issue 2, Page(s) 81–90

    Language English
    Document type Article
    ZDB-ID 2223586-3
    ISSN 1861-3829
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 194: Show issues

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  6. Article: Biodiversity of Fusarium species causing ear rot of maize in Germany

    Görtz, Andreas / Oerke, Erich-Christian / Steiner, Ulrike / Waalwijk, Cees / Vries, Ineke / Dehne, Heinz-Wilhelm

    Cereal research communications. 2008 Sept. 1, v. 36, no. Supplement-6

    2008  

    Abstract: In Germany, maize is one of the most important agriculture commodities, a major component in animal feed as well as an essential substrate producing biogas. Maize ear rot poses a major impact worldwide as it is caused by several Fusarium spp., most of ... ...

    Abstract In Germany, maize is one of the most important agriculture commodities, a major component in animal feed as well as an essential substrate producing biogas. Maize ear rot poses a major impact worldwide as it is caused by several Fusarium spp., most of which have the ability to produce mycotoxins. Despite of the expansion of the maize acreage in recent years, limited information is available concerning the incidence of Fusarium ear rot in Germany. Therefore, in a two-year survey maize crops were sampled in the major maizeproducing areas in Germany to establish the severity of Fusarium ear rot and the biodiversity of Fusarium species. In 2006, the frequency of kernels infected by Fusarium spp. ranged from 0.7 % to 99.7 %; the average incidence was 32.4 %. Thirteen Fusarium species were isolated from maize kernels, with F. verticillioides , F. graminearum and F. proliferatum being the predominant species. In 2007, the highest incidence of Fusarium ear rot was 64 %; the mean level of infection was 21.7 %. F. graminearum was by far the most frequent species isolated from all sampled fields in 2007. In addition, F. crookwellense , F. subglutinans and F. avenaceum were also frequently isolated. In particular, the fumonisin-producing species F. verticillioides an F. proliferatum were less frequent than in 2006. The year-to-year variability in the frequency of Fusarium species and in the overall infection rate may be explained by significant differences in temperature and precipitation during the growth periods.
    Keywords acreage ; biodiversity ; biogas ; corn ; corn ears ; ear rot ; feeds ; mycotoxins ; research ; surveys ; temperature ; Germany
    Language English
    Dates of publication 2008-0901
    Size p. 617-622.
    Publishing place Akadémiai Kiadó
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 772085-3
    ISSN 1788-9170 ; 0133-3720
    ISSN (online) 1788-9170
    ISSN 0133-3720
    DOI 10.1556/crc.36.2008.suppl.b.51
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 3717: Show issues

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  7. Article: Fusarium species and mycotoxin profiles on commercial maize hybrids in Germany

    Goertz, Andreas / Zuehlke, Sebastian / Spiteller, Michael / Steiner, Ulrike / Dehne, Heinz W / Waalwijk, Cees / de Vries, Ineke / Oerke, Erich C

    European journal of plant pathology. 2010 Sept., v. 128, no. 1

    2010  

    Abstract: High year-to-year variability in the incidence of Fusarium spp. and mycotoxin contamination was observed in a two-year survey investigating the impact of maize ear rot in 84 field samples from Germany. Fusarium verticillioides, F. graminearum, and F. ... ...

    Abstract High year-to-year variability in the incidence of Fusarium spp. and mycotoxin contamination was observed in a two-year survey investigating the impact of maize ear rot in 84 field samples from Germany. Fusarium verticillioides, F. graminearum, and F. proliferatum were the predominant species infecting maize kernels in 2006, whereas in 2007 the most frequently isolated species were F. graminearum, F. cerealis and F. subglutinans. Fourteen Fusarium-related mycotoxins were detected as contaminants of maize kernels analyzed by a multi-mycotoxin determination method. In 2006, a growth season characterized by high temperature and low rainfall during anthesis and early grain filling, 75% of the maize samples were contaminated with deoxynivalenol, 34% with fumonisins and 27% with zearalenone. In 2007, characterized by moderate temperatures and frequent rainfall during the entire growth season, none of the 40 maize samples had quantifiable levels of fumonisins while deoxynivalenol and zearalenone were detected in 90% and 93% of the fields, respectively. In addition, 3-acetyldeoxynivalenol, 15-acetyldeoxnivalenol, moniliformin, beauvericin, nivalenol and enniatin B were detected as common contaminants produced in both growing seasons. The results demonstrate a significant mycotoxin contamination associated with maize ear rots in Germany and indicate, with regard to anticipated climate change, that fumonisins-producing species already present in German maize production may become more important.
    Keywords deoxynivalenol ; ear rot ; zearalenone
    Language English
    Dates of publication 2010-09
    Size p. 101-111.
    Publisher Springer Netherlands
    Publishing place Dordrecht
    Document type Article
    ZDB-ID 1196520-4
    ISSN 0929-1873
    ISSN 0929-1873
    DOI 10.1007/s10658-010-9634-9
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 1151: Show issues

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