Microorganisms, Volume 9, Issue 1 (January 2021) – 204 articles
Cover Story (view full-size image): Microorganisms require iron to grow, develop, and produce metabolites. Genomic analyses of the aflatoxin-producing species Aspergillus flavus revealed both putative reductive and siderophore-mediated iron uptake and utilization pathways. Multiple indels that disable genes in the iron uptake cluster were detected, and in each case, conservation of indels suggests these mutations are fixed in clonal lineages. Climate change is expected to reduce iron concentrations in crop tissues, and this may cause differential abilities to utilize iron to impact competitiveness of aflatoxin producers during crop infection and, as a result, effectiveness of various atoxigenic A. flavus biocontrol genotypes. View this paper
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