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Genetic Dissection of Photosynthetic Organs Contribution to Seed Oil Accumulation in Arabidopsis seeds

ABSTRACT: Genetic Dissection of Photosynthetic Organs Contribution to Seed Oil Accumulation in Arabidopsis seeds

PROVIDER: PRJNA639830 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12025978_1.fastq.gz	Fastqsanger.gz
	SRR12025978_2.fastq.gz	Fastqsanger.gz
	SRR12025979_1.fastq.gz	Fastqsanger.gz
	SRR12025979_2.fastq.gz	Fastqsanger.gz
	SRR12025980_1.fastq.gz	Fastqsanger.gz

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Genetic Dissection of Photosynthetic Organs Contribution to Seed Oil Accumulation in Arabidopsis seeds

Project description:We report the application of RNA-seq technology for highthroughput profiling of photosynthetic and non-photosynthetic seeds of Arabidopsis chlorophyll synthase mutant seeds. By generating over 21 GB of sequence data from these seeds, we showed that genes involved in oil accumulation in non-photosynthetic seeds were significantly induced compared to photosynthtic seeds. Additionally we found that genes involved in the plastidal oxidative pentos phosphate pathway were significantly upregulated in the non-photosynthetic seed opposite to photosynthetic seeds. Overall our RNA-seq analysis revealled the genes and pathway interaction underpinining oil accumulation in non-photosynthetic seeds.

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Transcriptomic and proteomic analyses of distinct Arabidopsis organs reveal high PSI-NDH complex accumulation in stems

Project description:In addition to leaves, the main site of photosynthetic reactions, active photosynthesis also takes place in stems, siliques and tree trunks. Although non-foliar photosynthesis has a marked effect on plant growth and yield, only limited information on the expression patterns of photosynthesis-related genes and the structure of photosynthetic machinery in different plant organs has been available. Here, we report the results of transcriptomic analysis of various organs of Arabidopsis thaliana and compare the gene expression profiles of young and mature leaves with a special focus on photosynthetic genes. Further, we analyzed the composition and organization of the photosynthetic electron transfer machinery in leaves, stems and green siliques at the protein level using BN-PAGE. RNA-Seq analysis revealed unique gene expression profiles in different plant organs and showed major differences in the expression of photosynthesis-related genes in young as compared to mature rosettes. Gel-based proteomic analysis of the thylakoid protein complex organization further showed that all studied plant organs contain the necessary components of the photosynthetic electron transfer chain. Intriguingly, stems accumulate high amounts of PSI-NDH complex, which has previously been implicated in cyclic electron transfer.

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Comparative transcriptional profiling of organs of the barley spike

Project description:The lemma, the palea and the awn of a barley spike are photosynthetic organs and supply the developing seed with carbohydrates. In addition, the lemma and the palea cover the seed and protect it from pathogens and insects. In this study, we compared gene expression among the lemma, the palea, the awn and the developing seed of barley at the grain-filling stage (Zadok scale 83) using the Barley1 Genome Array in order to identify genes that determine the primary function of these organs.

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Photosynthetic Activated Sludge Bioreactor

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Expression data from different photosynthetic rate in Populus.

Project description:Despite the significance of nucleus genes in plant growth and development, little is known of the molecular bases of regulation of photosynthesis in woody plants.Hence discovering the genetic basis for photosynthesis related phenotypic variation and identifying the major genes controlling these complex traits in trees is essential. Combining the microarray technique and bulked segregant analysis strategy, we used poplar as a model to detect the nucleus genes differentially expressed in segregation population of photosynthesis traits. We measured the F1 interspecific population and segregated the stable extrem samples into two groups including three pools containing five incividuals.Use the Affymetrix poplar gene chip to decrypt the gene functions and mechanisms in different photosynthetic rate. Leaves were taken from high and low photosynthetic rate individuals for RNA extraction and hybridization on Affymetrix microarrays. H_A, H_B, H_C are from the high photosynthetic rate individuals. L_D,L_E, L_F are from the low photosynthetic rate incividuals.

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