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ABSTRACT: OsTT2 regulates anthocyanin biosynthesis and grain size in rice

PROVIDER: PRJNA1242004 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR32859754_1.fastq.gz	Fastqsanger.gz
	SRR32859754_2.fastq.gz	Fastqsanger.gz
	SRR32859755_1.fastq.gz	Fastqsanger.gz
	SRR32859755_2.fastq.gz	Fastqsanger.gz
	SRR32859756_1.fastq.gz	Fastqsanger.gz

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Project description:The R2R3-MYB Transcription Factor OsTT13 Regulates Anthocyanin Biosynthesis and Grain Size in Rice

| PRJNA1242003 | ENA

Comparative gene expression profiling analysis of RNA-seq data for WT (Nipponbare) and OsEXPA7 overexpression.

Project description:Yield and quality are the two most important traits in crop breeding. Exploring the regulatory mechanisms that affect both yield and quality traits is of great significance for understanding the molecular genetic networks controlling these key crop attributes. Expansins are cell wall loosening proteins that play important roles in regulating rice grain size. We investigated the effect of OsEXPA7, encoding an expansin, on rice grain size and quality. OsEXPA7 overexpression resulted in increased plant height, panicle length, grain length, and thousand-grain weight in rice. OsEXPA7 overexpression also affected gel consistency and amylose content in rice grains, thus affecting rice quality. Subcellular localization and tissue expression analyses showed that OsEXPA7 is localized on the cell wall and is highly expressed in the panicle. Hormone treatment experiments revealed that OsEXPA7 expression mainly responds to methyl jasmonate, brassinolide, and gibberellin. Transcriptome analysis and RT-qPCR experiments showed that overexpression of OsEXPA7 affects the expression of OsJAZs in the jasmonic acid pathway and BZR1 and GE in the brassinosteroid pathway. In addition, OsEXPA7 regulates the expression of key quantitative trait loci related to yield traits, as well as regulates the expression levels of BIP1 and bZIP50 involved in the seed storage protein biosynthesis pathway. These results reveal that OsEXPA7 positively regulates rice yield traits and negatively regulates grain quality traits by involving plant hormone pathways and other trait-related pathway genes. These findings increase our understanding of the potential mechanism of expansins in regulating rice yield and quality traits and will be useful for breeding high-yielding and high-quality rice cultivars.

2024-06-30 | GSE256331 | GEO

RNA-seq of pericarp of purple-grain wheat Luozhen No.1 of 20 days (D20) shading treatment after pollination, against 20 DAP untreated controls

Project description:Purple-grain wheat are caused by anthocyanin accumulation in the seed coat. The anthocyanin biosynthesis and accumulation were affected by light in purple-grain wheat. The spikes of purple-grain wheat Luozhen No.1 were bagged with four-layer Kraft paper bags after pollination. To identify genes involved in the anthocyanin biosynthesis, we sequenced two pericarp cDNA libraries, D20 (20 DAP) of shading treatment, and L20 (20 DAP) of untreated control using an Illumina HiSeqTM 2000.

2018-03-30 | E-MTAB-6398 | biostudies-arrayexpress

The identification and characterization of a plant height and grain length related gene hfr131 in rice

Project description:Plant height and grain size are important agronomic traits affecting rice yield. Various plant hormones participate in the regulation of plant height and grain size in rice. However, how these hormones cooperate to regulate plant height and grain size is poorly understood. In this study, we identified a brassinosteroid-related gene, hfr131, from an introgression line constructed using Oryza longistaminata, that caused brassinosteroid insensitivity and reduced plant height and grain length in rice. Further study showed that hfr131 is a new allele of OsBRI1 with a single-nucleotide polymorphism (G to A) in the coding region, leading to a T988I conversion at a conserved site of the kinase domain. An auxin response factor, OsARF17, could bind to the promoter region of HFR131 and positively regulated HFR131 expression, thereby regulating the plant height and grain length, and influencing brassinosteroid sensitivity. Haplotype analysis showed that the consociation of OsAFR17Hap1/HFR131Hap6 conferred an increase in grain length. Overall, this study identified hfr131 as a new allele of OsBRI1 that regulates plant height and grain length in rice, revealed that brassinosteroid and auxin might coordinate through OsARF17–HFR131 interaction, and provided a potential breeding target for improvement of rice yield.

2023-03-17 | GSE224118 | GEO

RNA-seq of pericarp of purple-grain wheat Luozhen No.1 of 15 days (D15) and 20 days (D20) shading treatment after pollination, against 15 DAP, 20 DAP untreated controls. The purple-grain wheat were grown under natural field conditions at Shandong Agricultural University Experimental Station (36169 N, 117169 E), Taian, China during Octubor, 2015 to June, 2016.

Project description:Purple-grain wheat are caused by anthocyanin accumulation in the seed coat. But little is known about molecular mechanism of anthocyanin biosynthesis. The anthocyanin biosynthesis and accumulation were affected by light in purple-grain wheat. The spikes of purple-grain wheat Luozhen No.1 were bagged with four-layer Kraft paper bags after pollination. To identify genes involved in the anthocyanin biosynthesis, we sequenced four pericarp cDNA libraries, D15 (15 DAP), D20 (20 DAP) of shading treatment, and L15 (15 DAP), L20 (20 DAP) of untreated control using an Illumina HiSeqTM 2000. After quality control, raw reads are filtered into clean reads which will be aligned to the reference sequences. The alignment data is utilized to calculate distribution of reads on reference genes and mapping ratio, and proceed with downstream analysis including gene and isoform expression, deep analysis based on gene expression (PCA/correlation/screening differentially expressed genes and so on),exon expression, gene structure refinement, alternative splicing, novel transcript prediction and annotation, SNP detection, Indel detection. Further, we also perform deep analysis based on different expression genes, including Gene Ontology (GO) enrichment analysis, Pathway enrichment analysis, cluster analysis, and finding transcriptor factor.

2018-03-26 | E-MTAB-5975 | biostudies-arrayexpress

Gene expression profile of phenylpropanoid pathway in black and red rice pericarps.

Project description:We analyzed expression change of the genes which involved in anthocyanin and pro-anthocyanin biosynthesis to search an origin of black rice.

2015-04-18 | GSE67987 | GEO

Integrated Transcriptome and Metabolome Identified Novel Candidate Genes Regulating Anthocyanin Biosynthesis in Colored-Grain Wheat (Triticum aestivum L.)

Project description:Purpose: The present study aimed to investigate the anthocyanin components and identify relevant regulatory genes in purple wheat grain by carrying out transcriptome analyses. Methods: The seeds of purple grain wheat and white grain wheat were collected 30 days after flowering, and three biological replicates were set. Total RNA was isolated and purified using TRIzol reagent (Invitrogen, Carlsbad, CA, USA) following the manufacturer's procedure. The RNA amount and purity of each sample was quantified using NanoDrop ND-1000. Then synthesizing the fragmented RNA into cDNA through the action of reverse transcriptase, and finally obtaining acDNA library. At last, we performed the 2×150bp paired-end sequencing (PE150) on an Illumina Novaseq™ 6000 following the vendor's recommended protocol. Results: A total of 10440 diferentially expressed genes were signifcantly enriched by RNA sequencing. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses revealed signifcantly enriched flavonoid biosynthesis and anthocyanin biosynthesis in CW_S versus W_S. And the ANS and UFGT genes were predicted as core genes in anthocyanin biosynthesis. Conclusions: Our study represents the detailed analysis of wheat grain transcriptomes, with biologic replicates, generated by RNA-seq technology. Through this study, we speculated that ANS and UFGT genes are the core genes of anthocyanin biosynthesis.The significant differences of these genes affect the synthesis of anthocyanins in wheat grains, and thus affect the grain color of wheat.

2023-04-24 | GSE198515 | GEO

Gene expression profile of phenylpropanoid pathway in black and red rice pericarps.

Project description:We analyzed expression change of the genes which involved in anthocyanin and pro-anthocyanin biosynthesis to search an origin of black rice. The submitted samples were transcriptome data in black and red rice pericarps. Rice pericarps were harvested in 7 and 14 days after heading, respectively.

2015-04-18 | E-GEOD-67987 | biostudies-arrayexpress

Project description:Anthocyanin biosynthesis genes in rice

| PRJNA663355 | ENA

SSG6

Project description:Oryza sativa Japonica Group SSG6, ACC synthase, Protein homologous to aminotransferase, Ethylene biosynthesis, Control of starch grain size in rice endosper, is differentially expressed in 17 experiment(s);

| Os06g0130400 | ExpressionAtlas

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