Ontology highlight
ABSTRACT:
PROVIDER: PRJNA739552 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR14870472_1.fastq.gz | Fastqsanger.gz | |||
| SRR14870472_2.fastq.gz | Fastqsanger.gz | |||
| SRR14870473_1.fastq.gz | Fastqsanger.gz | |||
| SRR14870473_2.fastq.gz | Fastqsanger.gz | |||
| SRR14870474_1.fastq.gz | Fastqsanger.gz |
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Project description:In this dataset, we include the expression data obtained from untreated and blast pathogen treated rice seedlings using a variety of blast resistant rice line H4, as well as the susceptible rice line Zhonger-Ruanzhan. These data are used to obtain 4087 genes that are differentially expressed in response to blast pathogen in both of rice lines,as well as 717 genes that are differentially expressed between different lines both in the moch-treated and the blast treated. We used microarrays to detail the global gene expression in leaf from blast resistant rice line and susceptible rice line
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Project description:In this dataset, we include the expression data obtained from untreated and blast pathogen treated rice seedlings using a variety of blast resistant rice line H4, as well as the susceptible rice line Zhonger-Ruanzhan. These data are used to obtain 4087 genes that are differentially expressed in response to blast pathogen in both of rice lines,as well as 717 genes that are differentially expressed between different lines both in the moch-treated and the blast treated. We used microarrays to detail the global gene expression in leaf from blast resistant rice line and susceptible rice line Four total samples were analyzed, The untreated rice line Zhonger-Ruanzhan: Zhonger-0;the untreated rice line H4:H4-0;Zhonger-Ruanzhan inoclutated with blast pathogen after 24h:Zhonger-24;H4 inoculated with blast pathogen after 24h: H4-24. We generated the following pairwise comparisons : H4-0 VS H4-24; Zhonger-0 vs Zhonger-24; H4-0 vs H4-0; Zhonger-24 vs H4-24.
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Project description:MicroRNAs (miRNAs) are small non-coding RNAs that function as post-transcriptional regulators of gene expression in eukaryotes. In rice, miR7695 targets an alternatively spliced transcript of natural resistance-associated macrophage protein 6 (OsNramp6) encoding an iron transporter whose expression is regulated by infection with the rice blast fungus Magnaporthe oryzae. Rice plants grown under high iron supply showed blast resistance, which supports that iron is a factor in controlling blast resistance by still unknown mechanisms. Here, iron accumulated near M. oryzae appressoria, the sites of pathogen entry, and in cells surrounding infected regions of the rice leaf. Activation-tagged MIR7695 rice plants (MIR7695-Ac) exhibited enhanced resistance to M. oryzae infection. RNA-seq analysis revealed that blast resistance in MIR7695-Ac plants was associated with strong induction of defense-related genes, including pathogenesis-related and diterpenoid biosynthetic genes. Levels of phytoalexins during pathogen infection were higher in MIR7695-Ac than wild-type plants. Early phytoalexin biosynthetic genes, OsCPS2 and OsCSP4, were highly upregulated in rice plants grown under high iron supply. Our data indicate that miR7695 positively regulates rice immunity while establishing links between defense and iron signaling in rice. MiR7695-mediated regulation of OsNramp6 has great potential for the development of strategies to control rice blast disease.
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