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Transcriptome in Col, C24, and their F1 at 10 DAS

ABSTRACT: We compared the expression among three lines, Col, C24, and their hybrids at 10 days after sowing (DAS).

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE32281 | GEO | 2013/02/19

SECONDARY ACCESSION(S): PRJNA146349

REPOSITORIES: GEO

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Transcriptome in Col, C24, and their F1 at 10 DAS

Project description:We compared the expression among three lines, Col, C24, and their hybrids at 10 days after sowing (DAS). Whole plants without root in Col, C24, and their F1 hybrids with three replications.

2013-02-19 | E-GEOD-32281 | biostudies-arrayexpress

Heterosis of Arabidopsis C24 x Col hybrids is associated with increased photosynthesis capacity.

Project description:Arabidopsis thaliana shows hybrid vigour (heterosis) in progeny of crosses between Col and C24 accessions (1). Hybrid vigour was evident as early as the mature seeds and in the seedlings 3 days after sowing (DAS). At 3 DAS genes encoding chloroplast-located proteins were significantly overrepresented (187) among the 724 genes which have greater than mid parent values of expression in the hybrid. Many of these genes are involved in chlorophyll biosynthesis and photosynthesis. The rate of photosynthesis was constant per unit leaf area in parents and hybrids. Larger cell sizes in the hybrids were associated with more chloroplasts per cell, more total chlorophyll and more photosynthesis. The increased transcription of the chloroplast-targeted genes was restricted to the 3 to 7 DAS period. At 10 DAS only 118 genes had expression levels different from the expected mid parent value in the hybrid and only 12 of these genes were differentially expressed at 3 DAS. The early increase in activity of genes involved in photosynthesis and the associated phenomena of increase in cell size and number through development, leading to larger leaf areas of all leaves in the hybrid, suggest a central role for increased photosynthesis in the production of the heterotic biomass. In support of this correlation we found that an inhibitor of photosynthesis eliminated heterosis and higher light intensities enhanced both photosynthesis and heterosis. In hybrids with low level heterosis (Ler x Col) chloroplast-targeted genes were not upregulated and leaf areas were only marginally increased. Whole plants in Col, C24, and their F1 hybrids with two replications

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Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:This SuperSeries is composed of the following subset Series: GSE24494: cgh_colvsc24_chr4-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE24831: cgh_colvsc24_wg-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE24835: cgh_colvscvi_wg-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25049: h3k4me2_c24_chr4-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25050: h3k27me3_colxcvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25051: h3k27me3_cvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25052: h3k27me3_col(cvi)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25053: h3k4me2_colxcvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25054: h3k4me2_cvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25056: h3k4me2_col(cvi)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25057: h3k27me3_colxc24-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25058: h3k27me3_c24-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25059: h3k27me3_col(c24)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25060: h3k4me2_colxc24_chr4-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions GSE25061: h3k4me2_col_chr4-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions Refer to individual Series

2011-05-17 | E-GEOD-24836 | biostudies-arrayexpress

Expression data from Arabidopsis Col, C24 and their F1 hybrid at 15 DAS

Project description:Expression data from Arabidopsis Col, C24 and their F1 hybrid at 15 DAS

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Project description:a2e_heterosis - h3k27me3_colxc24 - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K27me3 profiling in ColxC24 hybrids

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h3k4me2_colxc24_chr4-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

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h3k4me2_colxcvi-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

Project description:a2e_heterosis - h3k4me2_colxcvi - Arabidopsis thaliana accessions (Col-0, C24 and Cvi) and their hybrid were used to investigate the dynamics of the epigenome after intraspecific hybridization between - H3K4me2 profiling in ColxCvi hybrids

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h3k27me3_col(c24)-Analysis of epigenomic changes in hybrids Arabidopsis thaliana Col-0, C24 and Cvi accessions

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