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      Mutation of a histidine-rich calcium-binding-protein gene in wheat confers resistance to Fusarium head blight

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          Abstract

          <p class="first" id="d16816601e342">Head or ear blight, mainly caused by Fusarium species, can devastate almost all staple cereal crops (particularly wheat), resulting in great economic loss and imposing health threats on both human beings and livestock1-3. However, achievement in breeding for highly resistant cultivars is still not satisfactory. Here, we isolated the major-effect wheat quantitative trait locus, Qfhs.njau-3B, which confers head blight resistance, and showed that it is the same as the previously designated Fhb1. Fhb1 results from a rare deletion involving the 3' exon of the histidine-rich calcium-binding-protein gene on chromosome 3BS. Both wheat and Arabidopsis transformed with the Fhb1 sequence showed enhanced resistance to Fusarium graminearum spread. The translation products of this gene's homologs among plants are well conserved and might be essential for plant growth and development. Fhb1 could be useful not only for curbing Fusarium head blight in grain crops but also for improving other plants vulnerable to Fusarium species. </p>

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          Author and article information

          Journal
          Nature Genetics
          Nat Genet
          Springer Science and Business Media LLC
          1061-4036
          1546-1718
          June 10 2019
          Article
          10.1038/s41588-019-0426-7
          31182810
          e07a81fe-3d49-4146-a320-c5a21308cb7b
          © 2019

          http://www.springer.com/tdm

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