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Species Composition and Trichothecene Genotype Profiling of Fusarium Field Isolates Recovered from Wheat in Poland

1
Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, 10-727 Olsztyn, Poland
2
Department of Systems Engineering, Faculty of Engineering, University of Warmia and Mazury in Olsztyn, Heweliusza 14, 10-718 Olsztyn, Poland
3
Experimental Education Unit, Oczapowskiego 8, 10-719 Olsztyn, Poland
*
Author to whom correspondence should be addressed.
Toxins 2018, 10(8), 325; https://doi.org/10.3390/toxins10080325
Received: 17 July 2018 / Revised: 29 July 2018 / Accepted: 7 August 2018 / Published: 10 August 2018
(This article belongs to the Special Issue Recent Advances in Fusarium Research)
Fusarium head blight (FHB) of cereals is the major head disease negatively affecting grain production worldwide. In 2016 and 2017, serious outbreaks of FHB occurred in wheat crops in Poland. In this study, we characterized the diversity of Fusaria responsible for these epidemics using TaqMan assays. From a panel of 463 field isolates collected from wheat, four Fusarium species were identified. The predominant species were F. graminearum s.s. (81%) and, to a lesser extent, F. avenaceum (15%). The emergence of the 15ADON genotype was found ranging from 83% to 87% of the total trichothecene genotypes isolated in 2016 and 2017, respectively. Our results indicate two dramatic shifts within fungal field populations in Poland. The first shift is associated with the displacement of F. culmorum by F. graminearum s.s. The second shift resulted from a loss of nivalenol genotypes. We suggest that an emerging prevalence of F. graminearum s.s. may be linked to boosted maize production, which has increased substantially over the last decade in Poland. To detect variation within Tri core clusters, we compared sequence data from randomly selected field isolates with a panel of strains from geographically diverse origins. We found that the newly emerged 15ADON genotypes do not exhibit a specific pattern of polymorphism enabling their clear differentiation from the other European strains. View Full-Text
Keywords: Fusarium; Fusarium head blight; trichothecenes; genotypes; Tri core cluster; qPCR; wheat Fusarium; Fusarium head blight; trichothecenes; genotypes; Tri core cluster; qPCR; wheat
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MDPI and ACS Style

Bilska, K.; Jurczak, S.; Kulik, T.; Ropelewska, E.; Olszewski, J.; Żelechowski, M.; Zapotoczny, P. Species Composition and Trichothecene Genotype Profiling of Fusarium Field Isolates Recovered from Wheat in Poland. Toxins 2018, 10, 325.

AMA Style

Bilska K, Jurczak S, Kulik T, Ropelewska E, Olszewski J, Żelechowski M, Zapotoczny P. Species Composition and Trichothecene Genotype Profiling of Fusarium Field Isolates Recovered from Wheat in Poland. Toxins. 2018; 10(8):325.

Chicago/Turabian Style

Bilska, Katarzyna; Jurczak, Sebastian; Kulik, Tomasz; Ropelewska, Ewa; Olszewski, Jacek; Żelechowski, Maciej; Zapotoczny, Piotr. 2018. "Species Composition and Trichothecene Genotype Profiling of Fusarium Field Isolates Recovered from Wheat in Poland" Toxins 10, no. 8: 325.

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