Abstract
Elicitors are molecules that stimulate defense responses in plants. Previously, an elicitor-encoding gene, named pemG1, was isolated from Magnaporthe grisea. To assess the function of pemG1 in rice (Oryza sativa L. cv. Nipponbare), the gene was cloned under a constitutive maize ubiquitin promoter and introduced into Nipponbare cultivar. The resultant plants showed stable integration and constitutive expression of the pemG1 gene. The expression of defense-related gene for phenylalanine ammonia-lyase was triggered and proline content was also increased in pemG1-expressing plants. The pemG1-expressing plants showed enhanced resistance against rice blast after inoculation with M. grisea spores, suggesting that the pemG1 expression enhances disease resistance in transgenic rice.
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