Aspergillus korhogoensis, a Novel Aflatoxin Producing Species from the Côte d’Ivoire
AbstractSeveral strains of a new aflatoxigenic species of Aspergillus, A. korhogoensis, were isolated in the course of a screening study involving species from section Flavi found contaminating peanuts (Arachis hypogaea) and peanut paste in the Côte d’Ivoire. Based on examination of four isolates, this new species is described using a polyphasic approach. A concatenated alignment comprised of nine genes (ITS, benA, cmdA, mcm7, amdS, rpb1, preB, ppgA, and preA) was subjected to phylogenetic analysis, and resulted in all four strains being inferred as a distinct clade. Characterization of mating type for each strain revealed A. korhogoensis as a heterothallic species, since three isolates exhibited a singular MAT1-1 locus and one isolate exhibited a singular MAT1-2 locus. Morphological and physiological characterizations were also performed based on their growth on various types of media. Their respective extrolite profiles were characterized using LC/HRMS, and showed that this new species is capable of producing B- and G-aflatoxins, aspergillic acid, cyclopiazonic acid, aflavarins, and asparasones, as well as other metabolites. Altogether, our results confirm the monophyly of A. korhogoensis, and strengthen its position in the A. flavus clade, as the sister taxon of A. parvisclerotigenus. View Full-Text
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Carvajal-Campos, A.; Manizan, A.L.; Tadrist, S.; Akaki, D.K.; Koffi-Nevry, R.; Moore, G.G.; Fapohunda, S.O.; Bailly, S.; Montet, D.; Oswald, I.P.; Lorber, S.; Brabet, C.; Puel, O. Aspergillus korhogoensis, a Novel Aflatoxin Producing Species from the Côte d’Ivoire. Toxins 2017, 9, 353.
Carvajal-Campos A, Manizan AL, Tadrist S, Akaki DK, Koffi-Nevry R, Moore GG, Fapohunda SO, Bailly S, Montet D, Oswald IP, Lorber S, Brabet C, Puel O. Aspergillus korhogoensis, a Novel Aflatoxin Producing Species from the Côte d’Ivoire. Toxins. 2017; 9(11):353.Chicago/Turabian Style
Carvajal-Campos, Amaranta; Manizan, Ama L.; Tadrist, Souria; Akaki, David K.; Koffi-Nevry, Rose; Moore, Geromy G.; Fapohunda, Stephen O.; Bailly, Sylviane; Montet, Didier; Oswald, Isabelle P.; Lorber, Sophie; Brabet, Catherine; Puel, Olivier. 2017. "Aspergillus korhogoensis, a Novel Aflatoxin Producing Species from the Côte d’Ivoire." Toxins 9, no. 11: 353.
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