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Arabidopsis thaliana

ABSTRACT: Karrikin responses in Arabidopsis thaliana seed

OTHER RELATED OMICS DATASETS IN: E-GEOD-20556

PROVIDER: PRJNA125201 | ENA |

REPOSITORIES: ENA

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Karrikin responses in Arabidopsis thaliana seed

2010-03-01 | GSE20556 | GEO

Karrikin responses in Arabidopsis thaliana seed

Project description:Karrikins promote seed germination in Arabidopsis thaliana. Completion of germination (protrusion of the radicle) is not observed until ~72 h in dormant wildtype seed under these conditions. We used microarrays to examine karrikin-induced transcriptional changes after 24 h of imbibition. Transcriptional changes may indicate events leading to karrikin-induced germination or karrikin-specific markers. Primary dormant seed of wildtype (which can germinate and is promoted by KAR1) and ga1-3 (which cannot germinate, and is not promoted by KAR1) were imbibed on water-agar or 1 uM KAR1 in the light at 20 C and assayed for gene expression after 24 h. Three or four biological replicates per genotype/treatment.

2010-03-06 | E-GEOD-20556 | biostudies-arrayexpress

Arabidopsis thaliana 25 accessions

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Specialized metabolome seed coat/endosperm and seed embryo of Arabidopsis thaliana

Project description:Untargeted metabolomic analyses were carried out on seed coat/endosperm and seed embryo (dry seeds) of Arabidopsis thaliana Columbia-0 genotype. Three biological replicates were analyzed for each sample.

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Karrikin Receptor KARRIKIN INSENSITIVE2 Positively Regulates Heat Stress Tolerance in Arabidopsis thaliana

Project description:In this study, we investigated the potential role of the karrikin receptor KARRIKIN INSENSITIVE2 (KAI2) in the response of Arabidopsis seedlings to high temperature stress.

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Specialized metabolome from developing Arabidopsis thaliana seeds under warm temperatures

Project description:Seed development, which depends on mother plant genetic background and environmental conditions, is a major component determining seed composition. Seed quality is a main agricultural concern, impacting both food and non-food applications, while also playing a central role in biodiversity conservation and environment protection. Climate change, characterized, among other stresses, by the emergence of extremely high temperatures, constitute a critical global threat to agriculture. Specialized metabolites (SMs) play crucial roles in the interactions of plants and seeds with their environments. Several SMs are known to be protective compounds involved in seed stress responses, thus impacting directly or indirectly their quality. In this study, we performed untargeted metabolomic (LC-MS/MS) and transcriptomic (RNA-Seq) analyses of Arabidopsis thaliana seeds harvested at six developmental stages (Globular, Transition, Torpedo, Bent cotyledon, Mature green and Dry seed), and developed under control and warm temperature conditions. Those data provide an original and valuable resource for future studies on the role of SMs and genes involved in seed warm thermic stress responses and for the study of their regulation and functions during seed development.

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E-GEOD-20556

Project description:Karrikin responses in Arabidopsis thaliana seed

2015-09-15 | E-GEOD-20556 | ExpressionAtlas

GNPS - Specialized metabolome seed coat/endosperm and seed embryo of Arabidopsis thaliana

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Differentially expressed genes in developing seeds of Arabidopsis thaliana accessions Col-0 and C24

Project description:In order to identify differentially expressed genes in developing seeds of Arabidopsis thaliana three different stages of seed development were analysed (9-10, 10-11 and 12-13 days after flower opening) for two Arabidopsis thaliana accessions, Col-0 and C24. For each stage and accession three biological replicates were analysed.

2017-05-21 | GSE94762 | GEO

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2015-12-18 | GSE65394 | GEO

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