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Ustilaginoidea virens

ABSTRACT: Differential expression profiling of Ustilaginoidea virens in resistant and susceptible rice varieties during early infection

PROVIDER: PRJNA344467 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4296240.fastq.gz	Fastqsanger.gz
	SRR4296241.fastq.gz	Fastqsanger.gz
	SRR4296235.fastq.gz	Fastqsanger.gz
	SRR4296236.fastq.gz	Fastqsanger.gz
	SRR4296237.fastq.gz	Fastqsanger.gz

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Genome-wide analysis rice transcriptional change during the early stages of false smut formation caused by Ustilaginoidea virens [set A]

Project description:Rice false smut is a common fungal disease caused by Ustilaginoidea virens. As it only scatter occured in panicle at florescence, little information is known about this crop disease. Here, we injected suspension spores into a susceptible indica rice cultivar 9311 booting panicle (infected water as mock) and divided the early disease symptom into 3 uninterrupted stages(S) at 6 day post inoculation (dpi): the infected pistil became expand (S1), the hyphae began to infect the bottom of anthers (S2) and the hyphae growth went on and surrounded the floral organ forming a floral-hyphae complex (S3). To gain insight into rice putatively differential responses to U. virens, all 3 infected and mock spikes with same spike length were collected and analyzed by Solexa/Illuminaâs digital gene expression (DGE) system, BGI. Our results contribute to the knowledge of understanding rice molecular mechanism in response to U. virens infection.

2013-11-14 | GSE32010 | GEO

Genome-wide analysis rice transcriptional change during the early stages of false smut formation caused by Ustilaginoidea virens [set A]

Project description:Rice false smut is a common fungal disease caused by Ustilaginoidea virens. As it only scatter occured in panicle at florescence, little information is known about this crop disease. Here, we injected suspension spores into a susceptible indica rice cultivar 9311 booting panicle (infected water as mock) and divided the early disease symptom into 3 uninterrupted stages(S) at 6 day post inoculation (dpi): the infected pistil became expand (S1), the hyphae began to infect the bottom of anthers (S2) and the hyphae growth went on and surrounded the floral organ forming a floral-hyphae complex (S3). To gain insight into rice putatively differential responses to U. virens, all 3 infected and mock spikes with same spike length were collected and analyzed by Solexa/IlluminaM-CM-"M-BM-^@M-BM-^Ys digital gene expression (DGE) system, BGI. Our results contribute to the knowledge of understanding rice molecular mechanism in response to U. virens infection. Four samples including one control (CK) and three infected (S1, S2, S3) were analyzed

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Differential expression profiling of Ustilaginoidea virens in resistant and susceptible rice varieties during early infection

Project description:To understand pathogenicity and in planta transcriptional reprogramming, expression profiles of U. virens during infection of the resistant and susceptible cultivars were analyzed using RNA-seq data. Predicted host-pathogen interaction database (PHI-base) genes that are probably involved in host-pathogen interactions were found to be significantly enriched in fungal differential expressed genes from both rice genotypes, indicating their potential roles in pathogenicity of U.virens. Our results also indicate that genes for secreted proteins and secondary metabolism are highly enriched in the transcriptome during early infection of susceptible cultivars. GO enrichment analysis suggest that bilogical processes required for successful infection of U. virens are greatly suppressed in the resistant cultivars.

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Ustilaginoidea virens secreted protein LC-MSMS

Project description:This project aims at identifying secreted proteins that modulate plant immunity from Ustilaginoidea virens, which infects rice panicles and is the causal agent of rice false smut (RFS). The identified proteins will be expressed in plant and test whether they can induce cell death, induce plant immunity or suppress plant immunity.

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