Project description:To evaluate the roles of gene regulation in Oryza sativa leaf, dynamic profiles of transcriptome were investigated in Oryza sativa L. spp. indica with different treatments, the aerial tissues of one-month-old plants from four different areas (groups 1–4) were treated with 0, 40 mL of 25% azoxystrobin, 0.01 g of VdAL, or 40 mL of 25% azoxystrobin plus 0.01 g VdAL, respectively.

2018-12-18 | GSE108204 | GEO

Expression data from Oryza sativa 3037 (wild-type) and sd37 (mutant) seedlings

Project description:We characterized a rice (Oryza sativa L ssp. indica cultivar 3037) semi-dwarf mutant sd37, in which CYP96B4 gene (Cytochrome P450 96B subfamily) was identified as the target gene by map-based cloning and complementation test. A point mutation in CYP96B4 leads to a substitution of Thr to Lys in the SRS2 region. The sd37 leaves, panicles and seeds are all smaller compared with those of wild-type, and histological analysis showed that the decreased cell number was the main reason for the dwarf phenotype. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of up- and down- regulated genes during this process.

2013-07-09 | GSE48593 | GEO

Screening Salinity Tolerance and Transcriptome Analysis in Rice (Oryza sativa L.)

Project description:Comparative transcriptome sequencing in leaf and root tissues of Control and Salt-treated Oryza sativa generated 52.2 and 17.29 million high-quality reads.

2019-06-05 | GSE132153 | GEO

Degradome sequencing reveals endogenous small RNA targets in rice (Oryza sativa L. ssp. indica)

Project description:MicroRNAs (miRNAs) and small interfering RNAs (siRNAs) regulate gene expression in eukaryotes. Plant miRNAs modulate their targets mainly via messenger RNA (mRNA) cleavage. Small RNA targets have been extensively investigated in Arabidopsis using computational prediction, experimental validation, and degradome sequencing. However, small RNA targets are largely unknown in rice (Oryza sativa). Here, we report global identification of small RNA targets using high throughput degradome sequencing in the rice indica cultivar 93-11 (Oryza sativa L. ssp. indica). 177 transcripts targeted by total of 87 unique miRNAs were identified. Of targets for the conserved miRNAs between Arabidopsis and rice, transcription factors comprise around 70% (58 in 82), indicating that these miRNAs act as masters of gene regulatory nodes in rice. In contrast, non-conserved miRNAs targeted diverse genes which provide more complex regulatory networks. In addition, 5 AUXIN RESPONSE FACTORS (ARF) cleaved by the TAS3 derived ta-siRNAs were also detected. A total of 40 sRNA targets were further validated via RNA ligase-mediated 5’ rapid amplification of cDNA ends (RLM 5’-RACE). Our degradome results present a detailed sRNA-target interaction atlas, which provides a guide for the study of the roles of sRNAs and their targets in rice.

2010-01-01 | GSE19050 | GEO

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