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Structure of Aspergillus flavus populations associated with maize in Greece, Spain, and Serbia: implications for aflatoxin biocontrol on a regional scale

dc.contributor.authorOuadhene, M.A.
dc.contributor.authorCallicott, K.
dc.contributor.authorOrtega-Beltran, A.
dc.contributor.authorMehl, H.L.
dc.contributor.authorCotty, P.J.
dc.contributor.authorBattilani, P.
dc.date.accessioned2024-06-03T09:14:31Z
dc.date.available2024-06-03T09:14:31Z
dc.date.issued2024-04
dc.identifier.citationOuadhene, M.A., Callicott, K., Ortega‐Beltran, A., Mehl, H.L., Cotty, P.J. & Battilani, P. (2024). Structure of Aspergillus flavus populations associated with maize in Greece, Spain, and Serbia: implications for aflatoxin biocontrol on a regional scale. Environmental Microbiology Reports, 16(2): e13249, 1-16.
dc.identifier.issn1758-2229
dc.identifier.urihttps://hdl.handle.net/20.500.12478/8492
dc.description.abstractAspergillus flavus is the most frequently identified producer of aflatoxins. Non-aflatoxigenic members of the A. flavus L strains are used in various continents as active ingredients of bioprotectants directed at preventing aflatoxin contamination by competitive displacement of aflatoxin producers. The current research examined the genetic diversity of A. flavus L strain across southern Europe to gain insights into the population structure and evolution of this species and to evaluate the prevalence of genotypes closely related to MUCL54911, the active ingredient of AF-X1. A total of 2173L strain isolates recovered from maize collected across Greece, Spain, and Serbia in 2020 and 2021 were subjected to simple sequence repeat (SSR) genotyping. The analysis revealed high diversity within and among countries and dozens of haplotypes shared. Linkage disequilibrium analysis indicated asexual reproduction and clonal evolution of A. flavus L strain resident in Europe. Moreover, haplotypes closely related to MUCL54911 were found to belong to the same vegetative compatibility group (VCG) IT006 and were relatively common in all three countries. The results indicate that IT006 is endemic to southern Europe and may be utilized as an aflatoxin mitigation tool for maize across the region without concern for potential adverse impacts associated with the introduction of an exotic microorganism.
dc.description.sponsorshipCGIAR Trust Fund
dc.description.sponsorshipUnited States Department of Agriculture
dc.format.extent1-16
dc.language.isoen
dc.subjectAspergillus Flavus
dc.subjectMaize
dc.subjectAflatoxins
dc.subjectBiological Control
dc.subjectFood Security
dc.titleStructure of Aspergillus flavus populations associated with maize in Greece, Spain, and Serbia: implications for aflatoxin biocontrol on a regional scale
dc.typeJournal Article
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.affiliationUniversità Cattolica del Sacro Cuore
cg.contributor.affiliationUnited States Department of Agriculture
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationOcean University of China
cg.coverage.regionEurope
cg.coverage.countryGreece
cg.coverage.countrySerbia
cg.coverage.countrySpain
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemePlant Production and Health
cg.identifier.bibtexciteidOUADHENE:2024
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAflatoxin
cg.iitasubjectAgronomy
cg.iitasubjectDisease Control
cg.iitasubjectFood Security
cg.iitasubjectMaize
cg.journalEnvironmental Microbiology Reports
cg.notesOpen Access Article
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution 4.0 (CC BY 0.0)
cg.targetaudienceScientists
cg.identifier.doihttps://doi.org/10.1111/1758-2229.13249
cg.iitaauthor.identifierAlejandro Ortega-Beltran: 0000-0003-3747-8094
cg.futureupdate.requiredNo
cg.identifier.issue2: e13249
cg.identifier.volume16


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