Evolution of the wheat blast fungus through functional losses in a host specificity determinant

Author:

Inoue Yoshihiro1ORCID,Vy Trinh T. P.1,Yoshida Kentaro12ORCID,Asano Hokuto1ORCID,Mitsuoka Chikako2,Asuke Soichiro1ORCID,Anh Vu L.1ORCID,Cumagun Christian J. R.1ORCID,Chuma Izumi1,Terauchi Ryohei23ORCID,Kato Kenji4ORCID,Mitchell Thomas5ORCID,Valent Barbara6ORCID,Farman Mark7ORCID,Tosa Yukio1ORCID

Affiliation:

1. Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan.

2. Iwate Biotechnology Research Center, Kitakami 024-0003, Japan.

3. Graduate School of Agriculture, Kyoto University, Kyoto 617-0001, Japan.

4. Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan.

5. Department of Plant Pathology, Ohio State University, Columbus, OH 43210, USA.

6. Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA.

7. Department of Plant Pathology, University of Kentucky, Lexington, KY 40546, USA.

Abstract

Genetic analysis of disease emergence In the 1980s, wheat crops began to fall to the fungal pathogen that causes blast disease. First seen in Brazil, wheat blast last year caused devastating crop losses in Bangladesh. Inoue et al. tracked down the shifting genetics that have allowed the emergence of this potentially global threat to wheat crops (see the Perspective by Maekawa and Schulze-Lefert). Wheat varieties with a disabled resistance gene were susceptible to pathogen strains that affected oat and ryegrass crops. Subsequent genetic changes in the pathogen amped up the virulence in wheat. Science , this issue p. 80 ; see also p. 31

Funder

Japan Society for the Promotion of Science

USDA National Institute of Food and Agriculture

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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