Genetic diversity and structure of Fusarium oxysporum f.sp. lentis isolates from Iran, Syria and Algeria
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Lentil is an important cool season food legume. Vascular wilt incited by Fusarium oxysporum f.sp. lentis (FOL) is the most important disease of lentil worldwide. Knowledge of pathogen genetic structure is crucial to develop effective control strategies. In this study, the genetic structure of a collection of FOL isolates from Iran, Syria and Algeria was analysed using SSR markers. Eight markers were developed in this study and constitute a valuable resource for future molecular studies in FOL. Our results showed that there is a high molecular variation within regions, with isolates from North West Iran showing the highest gene diversity. Variation among regions also exists, with Iranian populations differing significantly from non-Iranian ones, having some private alleles. The clustering of isolates was well in agreement in both distance-based and model-based approaches suggesting the presence of seven ancestral FOL lineages, being three present exclusively in Iran while the others were distributed across all the regions. These results suggest that Iran could be a regional center of origin for FOL.
KeywordsLentil (Lens culinaris) Fusarium oxysporum f.sp. lentis Population structure Pathotype SSR
This research was carried out based on PhD educational mission No. 3972/200-28/1/1389 of first author from Agricultural Research, Education and Extension Organization (AREEO) of Iran and financially supported by Project AGL2014-52871-R co-financed by FEDER. The authors wish to tanks Professor B. Bayaa, University of Aleppo, Syria, for helping to obtain Algerian isolates of FOL.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest. All authors have revised the manuscript and approved its submission.
Research involving human participants and / or animals
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
Informed consent was obtained from all individual participants included in the study.
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