Expression of an elicitor-encoding gene from Magnaporthe grisea enhances resistance against blast disease in transgenic rice
文献类型: 外文期刊
第一作者: Qiu, Dewen
作者: Qiu, Dewen;Mao, Jianjun;Yang, Xiufen;Zeng, Hongmei
作者机构:
关键词: Elicitor;Magnaporthe grisea;Nipponbare;Transgenic rice
期刊名称:PLANT CELL REPORTS ( 影响因子:4.57; 五年影响因子:4.463 )
ISSN: 0721-7714
年卷期: 2009 年 28 卷 6 期
页码:
收录情况: SCI
摘要: 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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