期刊
INDIAN JOURNAL OF GENETICS AND PLANT BREEDING
卷 73, 期 3, 页码 233-243出版社
INDIAN SOC GENET PLANT BREEDING
DOI: 10.5958/j.0975-6906.73.3.035
关键词
Blast; rice; microarray; Magnaporthe oryzae
资金
- National Agricultural Innovation Project (NAIP), ICAR [C4/C1071]
Rice blast caused by Magnaporthe oryzae is one of the most destructive diseases causing extensive yield loss throughout the world. The present study deals with identification of stress responsive genes in susceptible rice cultivar HR 12 after challenge with M. oryzae. Transcript profiling using the Affymetrix 57 K Gene Chip revealed a total of 72 differentially expressed genes whose expression level was significantly altered under diseased condition. Molecular function enrichment analysis suggested that the differentially regulated genes were mainly related to protein degradation and modification, cell signalling and stress-related mechanisms. Our study reveals that majority of the genes of protein degradation and modification, transport, signalling and transcription factors are repressed at the initial stages of interaction. The host genes that were induced in response to pathogen infection included hormonal signalling, cell wall defense and transcription factors belonging to the WRKY super family. This study would be helpful in identification of early induced genes in pathogen associated molecular patterns (PAMP)-Triggered Immunity.
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