The effect of agmatine on trichothecene type B and zearalenone production in Fusarium graminearum , F. culmorum and F. poae [* Cross-Reference *]

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Matias Pasquali; Emmanuelle Cocco; Cédric Guignard; Lucien Hoffmann, 2026, "The effect of agmatine on trichothecene type B and zearalenone production in Fusarium graminearum , F. culmorum and F. poae [* Cross-Reference *]", https://lore.list.lu/citation?persistentId=perma:LIST.OYJCEA, LIST Open Repository, V1
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Description
Agmatine and other putrescines are known strong inducers of deoxynivalenol (DON) production in Fusarium graminearum . Other important cereal species produce DON and/or other trichothecene type B toxins (3 acetylated DON, 15 Acetylated DON, Fusarenon-X, Nivalenol) such as F. culmorum and F. poae . In order to verify if the mechanism of regulation of trichothecenes type B induction by agmatine is shared by different species of Fusarium, we tested the hypothesis on 19 strains belonging to 3 Fusarium species ( F. graminearum, F. culmorum, F. poae ) with diverse genetic chemotypes (3ADON, 15ADON, NIV) by measuring trichothecene B toxins such as DON, NIV, Fusarenon-X, 3ADON and 15ADON. Moreover we also tested whether other toxins like zearalenone were also boosted by agmatine. The trichothecene type B boosting effect was observed in the majority of strains used (13 over 19) in all the three species. Representative strains from all the three genetic chemotypes were able to boost toxin production after agmatine treatment. We identified strains not responding to the agmatine stimulus which may contribute to deciphering the regulatory mechanisms that link toxin production to agmatine (and more in general polyamines). (2015-11-24)
***This entry has been automatically imported via OpenAlex by LIST harvest scripts. Please refer to https://doi.org/10.7287/peerj.preprints.1522v1 for the original and latest version of the publication*** (2026-07-01)
Subject Agricultural Sciences; Arts and Humanities; Chemistry; Medicine, Health and Life Sciences
Keyword Trichothecene, Agmatine, Fusarium culmorum, Zearalenone, Biology, Chemotype, Mycotoxin, Fusarium, Microbiology, Toxin, Botany, Biochemistry, Putrescine, Enzyme, Essential oil
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