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ABSTRACT: Transcriptome analysis of maize resistance to stalk rot

PROVIDER: PRJNA843784 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21995347_1.fastq.gz	Fastqsanger.gz
	SRR21995347_2.fastq.gz	Fastqsanger.gz
	SRR21995348_1.fastq.gz	Fastqsanger.gz
	SRR21995348_2.fastq.gz	Fastqsanger.gz
	SRR21995349_1.fastq.gz	Fastqsanger.gz

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Gene expression of F.graminearum during maize stalk infection

Project description:Fusarium graminearum can infect maize stalk causing Gibberella stalk rot. We want to know the whole genome wide gene profiling when infecting maize stalk.

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Gene expression of F.graminearum during maize stalk infection

Project description:Fusarium graminearum can infect maize stalk causing Gibberella stalk rot. We want to know the whole genome wide gene profiling when infecting maize stalk. Using lasr capture microdisecction, we captured 8 time points infecting hyphae samples for maize stalk and after two-round amplification, we hybrid the aRNA to Affymetrix array.

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Project description:This experiment is to assess the changes of maize genes expression in response to Fusarium graminearum stains wild-type PH-1 and Δcfem1 mutant. F. graminearum is the major casual fungal pathogen of Gibberella stalk rot on maize.

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Transcriptome analysis of maize Gibberella stalk rot

Project description:Gibberella stalk rot (GSR) caused by Fusarium graminearum is one of the most devastating diseases causing significant yield loss of maize, and GSR resistance is a quantitative trait controlled by multiple genes. Although a few QTLs/resistance genes have been identified, the molecular mechanisms underlying GSR resistance remain largely unexplored. To identify potential resistance genes and to better understand the molecular mechanism of GSR resistance, a transcriptomic was conducted using two inbred lines with contrast GSR resistance, K09 (resistant) and A08 (susceptible) upon infection with F. graminearum. While substantial number of differentially expressed genes (DEGs) associated with various defense-related signaling pathways were identified between two lines, multiple hub genes likely associated with GSR resistance were pinpointed using Weighted Gene Correlation Network Analysis (WGCNA). ZmHIR3 showed strong correlation with multiple key genes.

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Comparative proteomic analysis of the defense response to Gibberella stalk rot in maize

Project description:Fusarium graminearum is the causal agent of Gibberella stalk rot in maize stem, resulting maize lodging, yield, quality, and mechanical harvesting capacity. To date, little is known about the maize stem defense mechanism in response to invasion of F. graminearum. This study represents a global proteomic approach to document the infection by F. graminearum. A total of 1,894 differentially accumulated proteins (DEPs) were identified after inoculation of maize plants with F. graminearum. Functional categorization analysis indicated that proteins involved in plant-pathogen interaction were inducible at early stages of infection. We also found that the expression of proteins involved in phenylpropanoid, flavonoid, and terpenoid biosynthesis were up-regulated in response to F. graminearum infection, which may reflect a particular contribution of secondary metabolism in protection against the fungal attack in maize stem. Together, our results indicated that the defense response of maize stem to F. graminearum infection was multifaceted and involved the induction of proteins from various innate immunity related pathways, which had directive significance for molecular genetic breeding of maize disease-resistant varieties.

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Project description:Comparative transcriptome analysis of two contrasting maize inbred lines provides insights on molecular mechanisms for stalk rot resistance

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