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From FHB Resistance QTLs to Candidate Genes Identification in Triticum aestivum L.

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Abstract

Fusarium head blight (FHB) caused by Fusarium graminearum is a worldwide destructive disease affecting cereals such as wheat. FHB resistance is a quantitative trait, and information for FHB resistance QTLs in wheat is available. However, little is known about genes underlying the FHB resistance QTL regions. Using a computational approach in this study, we have mined eight FHB resistance QTLs in wheat and predicted the candidate genes falling within these QTL intervals based on the available sequences and markers. A total of 18 genomic scaffolds located at chromosomes 2AL, 2DL, 3B and 4BS were prioritized to harbor FHB-resistant candidate genes. These genes are mainly involved in plant defense response, immune regulation and cellular detoxification. We believe that our results constitute a starting point for further validation to improve FHB-resistant bread wheat varieties.

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Acknowledgments

This work was supported by the Ministry of Higher Education and Scientific Research, Tunisia.

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Authors and Affiliations

  1. Laboratory of Plant Protection and Improvement, Center of Biotechnology of Sfax, University of Sfax, Route Sidi Mansour, Po Box 1177, 3018, Sfax, Tunisia

    Mouna Choura & Moez Hanin

  2. Molecular and Cellular Diagnosis Processes, Centre of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia

    Ahmed Rebaï

  3. International Center for Biosaline Agriculture (ICBA), Dubai, United Arab Emirates

    Khaled Masmoudi

Authors
  1. Mouna Choura
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  2. Moez Hanin
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  3. Ahmed Rebaï
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  4. Khaled Masmoudi
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Correspondence to Mouna Choura.

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Choura, M., Hanin, M., Rebaï, A. et al. From FHB Resistance QTLs to Candidate Genes Identification in Triticum aestivum L.. Interdiscip Sci Comput Life Sci 8, 352–356 (2016). https://doi.org/10.1007/s12539-016-0164-9

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  • DOI: https://doi.org/10.1007/s12539-016-0164-9

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