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Oryza sativa Japonica Group

ABSTRACT: Down-regulated expression of OsDCL3b affects small RNA biogenesis and panicle development in rice

PROVIDER: PRJNA398554 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5940080_1.fastq.gz	Fastqsanger.gz
	SRR5940080_2.fastq.gz	Fastqsanger.gz
	SRR5940081_1.fastq.gz	Fastqsanger.gz
	SRR5940081_2.fastq.gz	Fastqsanger.gz
	SRR5940082_1.fastq.gz	Fastqsanger.gz

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Oryza sativa Japonica Group transcriptome sequencing

Project description:Phosphate starvation/sufficient rice seedling, root or shoot Pi-starvation or Pi-sufficient stresses responsible rice genes, including previously unannotated genes were identified by Illumina mRNA-seq technology. 53 million reads from Pi-starvation or Pi-sufficient root or shoot tissues were uniquely mapped to the rice genome, and these included 40574 RAP3 transcripts in root and 39748 RAP3 transcripts in shoot. We compared our mRNA-seq expression data with that from Rice 44K oligomicroarray, and about 95.5% (root) and 95.4% (shoot) transcripts supported by the array were confirmed expression both by the array and by mRNA-seq, Moreover, 11888 (root) and 11098 (shoot) RAP genes which were not supported by array, were evidenced expression with mRNA-seq. Furthermore, we discovered 8590 (root) and 8193 (shoot) previously unannotated transcripts upon Pi-starvation and/or Pi-sufficient.

2012-01-06 | E-MTAB-4302 | biostudies-arrayexpress

Oryza sativa Japonica Group

Project description:OsMYB4-Regulated Transcriptional Network of Rice

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Tiling microarray of Oryza sativa japonica at 46nt resolution

Project description:This experiment was designed to identify transcribed regions of japonica subspecies of the rice genome. A series of high-density oligonucleotide tiling arrays that represent sense and antisense strands of the entire nonrepetitive sequence of all the 12 chromosomes were designed to measure genome-wide transcription. A total of 12253842 36mer oligonucleotide probes positioned every 46 nt on average were used for this purpose. The probes were synthesized via maskless photolithography at a feature density of approximately 389,000 probes per slide. The arrays were hybridized with fluorescence-labeled cDNA reverse-transcribed from equal amounts of four selected poly(A)+ RNA population (seedling root, seedling shoot, panicle, and suspension cultured cells). Keywords: tiling array, genome-wide transcription

2007-02-21 | GSE6996 | GEO

Oryza sativa Japonica Group

Project description:Expression information of splicing factor OsSKIPa knock-down and overexpressed rice

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Down-regulated expression of OsDCL3b affects small RNA biogenesis and panicle development in rice

Project description:Two types of small (18-24 nt) non-coding RNAs (ncRNAs), microRNAs (miRNAs) and small interfering RNAs (siRNAs) have been found to exist widely in higher plants. OsDCL3b has just been reported to process the 24-nt phased small RNAs in rice, which are preferentially expressed in panicle. In this study, we find that down-regulated expression of OsDCL3b leads to lower pollen sterility and seed setting rate, which results in decreased grain yield per plant in rice. Next, small RNA and mRNA sequencing were performed to study the decrease of pollen fertility and seed setting rate. 942 differentially expressed genes were identified, and some of them have already been known to be involved in rice panicle development. Our results indicate that there is a close correlation between small RNA and rice yield.

2019-04-12 | GSE102747 | GEO

Oryza sativa Indica Group

Project description:rice young panicle Raw sequence reads

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Oryza sativa Transcriptome or Gene expression

Project description:A biological phenomenon in which hybrids exhibit superior phenotypes from its parental inbred lines known as heterosis, has been widely exploited in plant breeding and extensively used in crop improvement. Hybrid rice has immense potential to increase yield over other rice varieties and hence is crucial in meeting increasing demand of rice globally. Moreover, the molecular basis of heterosis is still not fully understood and hence it becomes imperative to unravel its genetic and molecular basis. In this context, RNA sequencing technology (RNA-Seq) was employed to sequence transcriptomes of two rice hybrids, Ajay and Rajalaxmi, their parental lines, CRMS31A (sterile line, based on WA-CMS) and CRMS32A (sterile line based on Kalinga-CMS) respectively along with the common restorer line of both hybrids, IR-42266-29-3R at two critical rice developmental stages viz., panicle initiation (PI) and grain filling (GF). Identification of differentially expressed genes (DEGs) at PI and GF stages will further pave the way for understanding heterosis. In addition, such kind of study would help in better understanding of heterosis mechanism and genes up-regulated and down-regulated during the critical stages of rice development for higher yield.

2015-08-02 | E-MTAB-4291 | biostudies-arrayexpress

Oryza sativa Japonica Group

Project description:Next Generation Sequencing Facilitates Small RNA Mediated Rice Resistance to Xoo

| PRJNA284956 | ENA

Oryza sativa Japonica Group

Project description:Comparative small RNA analysis of pollen development in autotetraploid and diploid rice

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2008-01-15 | GSE10098 | GEO

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