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Toxins 2016, 8(11), 330; doi:10.3390/toxins8110330

Depicting the Discrepancy between Tri Genotype and Chemotype on the Basis of Strain CBS 139514 from a Field Population of F. graminearum Sensu Stricto from Argentina

1
Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Plac Łódzki 1, Olsztyn 10-727, Poland
2
Department of Chemistry, Poznań University of Life Sciences, ul. Wojska Polskiego 75, Poznań 60-625, Poland
3
CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, Utrecht 3584 CT, The Netherlands
4
Institute of Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 904, Amsterdam 1098 XH, The Netherlands
5
Laboratorio de Biología Funcional y Biotecnología (BIOLAB)-Comisión de Investigaciones Científicas de la provincia de Buenos Aires-Instituto de Investigaciones en Biodiversidad y Biotecnología-Consejo Nacional de Investigaciones Científicas y Técnicas (CICBA-INBIOTEC, CONICET), Av. República de Italia 780, Azul 7300, Buenos Aires, Argentina
6
Cátedra de Microbiología-Facultad de Agronomía de Azul-UNCPBA, Av. República de Italia 780, Azul 7300, Buenos Aires, Argentina
*
Author to whom correspondence should be addressed.
Academic Editor: Antonio Moretti
Received: 14 October 2016 / Revised: 31 October 2016 / Accepted: 8 November 2016 / Published: 12 November 2016
(This article belongs to the Section Mycotoxins)
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Abstract

Recent studies on a field population of F. graminearum sensu stricto from Argentina revealed an atypical panel of strains identified through PCR genotyping as 15ADON genotypes, but producing high levels of 3ADON. Based on representative strain CBS 139514, we asked if the discrepancy between the trichothecene genotype and chemotype might result from an inter-chemotype recombination of the chemotype-determining genes. To answer this, we sequenced the complete core Tri gene cluster (around 30,200 bp) from this strain and compared its sequence to sequence data of typical type B trichothecene genotypes/chemotypes. Sequence alignment showed that CBS 139514 has an identical sequence within the entire core Tri cluster to the 15ADON genotype. The revealed discrepancy underlines the need for using both molecular and chemical methods for reliable characterization of toxigenic strains of Fusarium. View Full-Text
Keywords: Fusarium; Tri genotypes; chemotypes Fusarium; Tri genotypes; chemotypes
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kulik, T.; Buśko, M.; Bilska, K.; Ostrowska-Kołodziejczak, A.; van Diepeningen, A.D.; Perkowski, J.; Stenglein, S. Depicting the Discrepancy between Tri Genotype and Chemotype on the Basis of Strain CBS 139514 from a Field Population of F. graminearum Sensu Stricto from Argentina. Toxins 2016, 8, 330.

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