Genetic variability and fumonisin production by Fusarium proliferatum isolated from durum wheat grains in Argentina

International Journal of Food Microbiology
Sofia A PalaciosA M Torres

Abstract

Fusarium proliferatum is a member of the Fusarium fujikuroi species complex (FFSC) involved in the maize ear rot together with Fusarium verticillioides, which is a very closely related species. Recently, different studies have detected natural fumonisin contamination in wheat kernels and most of them have shown that the main species isolated was F. proliferatum. Fusarium strains obtained from freshly harvested durum wheat samples (2008 to 2011 harvest seasons) from Argentina were characterized through a phylogenetic analysis based on translation elongation factor-1 alpha (EF-1α) and calmodulin (CaM) genes, determination of mating type alleles, and evaluation of fumonisin production capability. The strains were identified as F. proliferatum (72%), F. verticillioides (24%) and other Fusarium species. The ratio of mating type alleles (MAT-1 and MAT-2) obtained for both main populations suggests possible occurrence of sexual reproduction in the wheat fields, although this seems more frequent in F. proliferatum. Phylogenetic analysis revealed greater nucleotide variability in F. proliferatum strains than in F. verticillioides, however this was not related to origin, host or harvest year. The fumonisin-producing ability was detected ...Continue Reading

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Citations

Oct 21, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Jindong LiuXianchun Xia
Aug 24, 2017·Proteomics·Taotao LiYueming Jiang
Dec 27, 2016·Journal of Food Science and Technology·Peeyush KumarAmit Kumar Sharma
Nov 17, 2017·Mycotoxin Research·Iñigo ZabalgogeazcoaBeatriz R Vazquez-de-Aldana
Apr 30, 2021·Chemico-biological Interactions·Nadeem IqbalAttila Ördög
Aug 1, 2021·Fungal Genetics and Biology : FG & B·Maryam FallahiAntonio Moretti
Aug 30, 2021·Microbiological Research·Maryam Tavakol NoorabadiAntonia Susca

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