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Purdue researchers find key to rice blast fungus

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The biggest rice blast problem is in Asia and Latin America where rice is an important food staple. About two-thirds of the people in the world rely on the grain, according to the United States Department of Agriculture (USDA) Agricultural Research Service. Rice supplies 23 percent of the total calories that the world's population consumes, according to the International Rice Research Institute.

In addition to the countries that rely on rice for food, the pathogen also is found in the United States, especially in Arkansas, Louisiana and California, where rice blast recently evolved in order to foil a rice blast resistance gene, according to the USDA. Resistance in rice plants varies in different regions due to climate variation and in strains of the pathogen.

Xu said that an important area of his future research will be to learn the interaction among several signaling pathways in rice blast fungus that allows the pathogen to communicate with the plant.


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Source:Purdue University


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