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Single maize gene confers multiple pathogen resistance

Researchers from the USDA’s Agriculture Research Service, working with several US universities, have identified a single gene in maize involved in resistance to three important leaf diseases. The gene which encodes the enzyme, glutathione-S-transferase (GST), confers resistance to southern corn leaf blight ( Cochliobolus heterostrophus), grey leaf spot ( Cercospora zeae-maydis or Cercospora zeina), and northern corn leaf blight ( Setosphaeria turcica). Those diseases affect maize crops worldwide.



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