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RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

ABSTRACT: RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

PROVIDER: PRJNA485321 | ENA |

REPOSITORIES: ENA

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RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

Project description:Nucleotide-binding site leucine-rich repeat (NLR) receptors perceive pathogen effectors and trigger plant immunity. However, the mechanisms underlying NLR-triggered defense responses remain obscure. The recently discovered Pigm locus in rice encodes a cluster of NLRs, including PigmR, which confers broad-spectrum resistance to blast fungus. Here, we identify PIBP1 (PigmR-INTERACTING and BLAST RESISTANCE PROTEIN 1), an RRM (RNA-recognition motif) protein that specifically interacts with PigmR and other similar NLRs to trigger blast resistance. PigmR-promoted nuclear accumulation of PIBP1 ensures full blast resistance. We find that PIBP1 and a homolog, Os06 g02240, bind DNA and function as unconventional transcription factors at the promoters of the defense genes OsWAK14 and OsPAL1, activating their expression. Knockout of PIBP1 and Os06g02240 greatly attenuated blast resistance. Collectively, our study discovers previously unappreciated RRM transcription factors that directly interact with NLRs to activate plant defense, establishing a direct link between transcriptional activation of immune responses with NLR-mediated pathogen perception

2019-08-04 | GSE118356 | GEO

RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

Project description:Nucleotide-binding site leucine-rich repeat (NLR) receptors perceive pathogen effectors and trigger plant immunity. However, the mechanisms underlying NLR-triggered defense responses remain obscure. The recently discovered Pigm locus in rice encodes a cluster of NLRs, including PigmR, which confers broad-spectrum resistance to blast fungus. Here, we identify PIBP1 (PigmR-INTERACTING and BLAST RESISTANCE PROTEIN 1), an RRM (RNA-recognition motif) protein that specifically interacts with PigmR and other similar NLRs to trigger blast resistance. PigmR-promoted nuclear accumulation of PIBP1 ensures full blast resistance. We find that PIBP1 and a homolog, Os06 g02240, bind DNA and function as unconventional transcription factors at the promoters of the defense genes OsWAK14 and OsPAL1, activating their expression. Knockout of PIBP1 and Os06 g02240 greatly attenuated blast resistance. Collectively, our study discovers previously unappreciated RRM transcription factors that directly interact with NLRs to activate plant defense, establishing a direct link between transcriptional activation of immune responses with NLR-mediated pathogen perception.

2019-08-04 | GSE118352 | GEO

RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

2019-08-04 | GSE118355 | GEO

RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

Project description:RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

| PRJNA485322 | ENA

RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

Project description:RRM Transcription Factors Interact with NLRs and Regulate Broad-Spectrum Blast Resistance in Rice

| PRJNA485317 | ENA

Transcriptome analysis of rice (Oryza sativa) infected with blast fungus (Magnaporthe oryzae)

2011-05-31 | GSE16470 | GEO

Transcriptome analysis of rice (Oryza sativa) infected with blast fungus (Magnaporthe oryzae)

Project description:Rice blast is one of the most serious diseases and is caused by Magnaporthe grisea. SHZ-2, an indica cultivar with broad spectrum resistance to multiple races of the blast pathogen, was crossed to TXZ-13, a blast susceptible but high-quality variety, to produce one BC3 line, BC10 line, which showed strong to moderate blast resistance over eight cropping seasons in the field. In this study, we compared the transcription between blast-resistant and -susceptive lines by custom microarray. Keywords: time course, blast infection, disease response Comparison between blast- and mock-infected rice. Biological replicates: 3 control (mock) and 3 blast-infected at each time point, independently grown and harvested at 24 and 48 hours after inoculation. Each sample was prepared with whole plant 5 cm above ground and was pooled from 5 plants grown under the same conditions.

2011-05-31 | E-GEOD-16470 | biostudies-arrayexpress

RRM transcriptomic analysis

Project description:Screening of genes regulated between two grapevine genotypes (the Carignan and the RRM) during early inflorescence development

2009-12-08 | E-MEXP-1950 | biostudies-arrayexpress

Quadruple rrm experience - Transcriptomic study of a quadruple rrm mutant which belong to a new family of AGO hook proteins

Project description:rs10-01_rrm - quadruple rrm experience - What is the role of the RRM protein family in plants? Plants were grown on soil in controlled environment under LD (16 h light/8 h dark) and the rosette leaves (8-leaf stage seedlings) were collected for RNA preparation. Keywords: normal vs transgenic comparison

2011-04-16 | GSE21701 | GEO

Quadruple rrm experience - Transcriptomic study of a quadruple rrm mutant which belong to a new family of AGO hook proteins

2011-04-16 | E-GEOD-21701 | biostudies-arrayexpress

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