E-MTAB-6755
Ontology highlight
ABSTRACT:
PROVIDER: E-MTAB-6755 | ExpressionAtlas | 2019-09-09
REPOSITORIES: ExpressionAtlas
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| E-MTAB-6755-analysis-methods.tsv | Tabular | |||
| E-MTAB-6755-analytics.tsv | Tabular | |||
| E-MTAB-6755-atlasExperimentSummary.Rdata | Rdata | |||
| E-MTAB-6755-configuration.xml | Xml | |||
| E-MTAB-6755-g1_g3-mvaPlot.png | Other |
Items per page: 5 1 - 5 of 32 |
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Project description:RNA-seq analysis of Arabidopsis sulki1, Kas-2 and Ler/Kas-2 near isogenic line (NIL)
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Project description:The aim of this study was to analyze the impact of autotetraploidy on gene expression in Arabidopsis thaliana by comparing diploid versus tetraploid transcriptomes. In particular, this included the comparison of the transcriptome of different tetraploid A. thaliana ecotypes (Col-0 vs. Ler-0). The study was extended to address further aspects. One was the comparison of the transcriptomes in subsequent generations. This intended to obtain information on the genome wide stability of autotetraploid gene expression. Another line of work compared the transcriptomes of different diploid vs. tetraploid tissues. This aimed to investigate whether particular gene groups are specifically affected during the development of A. thaliana autotetraploids. Samples 1-8: Arabidopsis thaliana Col-0 tetraploid transcriptome. Transcriptional profiling and comparison of diploid vs. tetraploid Col-0 seedlings. The experiment was carried out with pedigree of independently generated and assessed tetraploid Col-0 lines. Samples 9-12: Arabidopsis thaliana Ler-0 tetraploid transcriptome. Transcriptional profiling and comparison of diploid vs. tetraploid Ler-0 seedlings. The experiment was carried out with pedigree of independently generated and assessed tetraploid Ler-0 lines. Samples 13-24: Arabidopsis thaliana Col-0 tetraploid transcriptome. Transcriptional profiling and comparison of diploid vs. tetraploid Col-0 leaves (6th - 8th). The experiment was carried out with pedigree of independently generated and assessed tetraploid Col-0 lines. Samples 25-32: Arabidopsis thaliana Ler-0 tetraploid transcriptome. Transcriptional profiling and comparison of diploid vs. tetraploid Ler-0 leaves (6th - 8th). The experiment was carried out with pedigree of independently generated and assessed tetraploid Ler-0 lines. Samples 33-36: Arabidopsis thaliana Ler-0 tetraploid transcriptome. Transcriptional profiling and comparison of tetraploid vs. tetraploid Ler-0 seedlings from the second (F2) and third (F3) generation after induction, respectively. The experiment was carried out with pedigree of independently generated and assessed tetraploid Ler-0 lines. Samples 37-40: Arabidopsis thaliana Col-0 tetraploid transcriptome. Transcriptional profiling and comparison of tetraploid vs. tetraploid Col-0 seedlings from the second (F2) and third (F3) generation after induction, respectively. The experiment was carried out with pedigree of independently generated and assessed tetraploid Col-0 lines. Samples 41-44: Arabidopsis thaliana Col-0/Ler-0 diploid transcriptome. Transcriptional profiling and comparison of diploid Col-0 vs. diploid Ler-0 seedlings. The experiment was carried out with pedigree of esrablished lines. Samples 45-48: Arabidopsis thaliana Col-0/Ler-0 tetraploid transcriptome. Transcriptional profiling and comparison of tetraploid Col-0 vs tetraploid Ler-0 seedlings. The experiment was carried out with pedigree of independently generated and assessed tetraploid Col-0 and Ler-0 lines.
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Project description:The growth behavior of plant roots on tilted, hard agar surfaces is determined by many basic cellular processes, including microtubule dynamics and cell wall expansion. Among Arabidopsis thaliana accessions there is natural variation for these behaviors, including one known as skewing or slanting. The root skewing pattern on hard, tilted agar surfaces may be a clue to adaptations of an accession to its environment. Here, we compare expression profiles of two accessions with diverse skewing behavior grown on the wave assay, which consists of seedlings growing two days vertically and 3 days tilted on hard agar plates. Cvi has a strong skew on tilted, hard agar sufaces, and Ler-2 has a weaker one. We also include a near isogenic line, 170G-55-16 a.k.a HGI2.1, that is mostly Ler-2 in background but has a segment of Cvi introgressed into chromosome 2. This line has an intermediate skew between its two parents.
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Project description:Progeny from a cross of Arabidopsis thaliana Landsberg (Ler, Poland) and Kashmir-2 (Kas-2, central Asia) accessions exhibit immune-related hybrid incompatibility (HI) due to a genetic interaction between a cluster of eight TNL (Toll/Interleukin1 Receptor- Nucleotide Binding - Leucine Rich Repeat) RPP1-like (Recognition of Peronospora parasitica 1-like) genes (R1- R8) from Ler and central Asian alleles of a Strubbelig-family receptor-like kinase (SRF3). In characterizing mutants altered in Ler/Kas-2 HI, we mapped multiple intragenic mutations to the RPP1-like Ler locus. The expression of sulki1 (suppressor of Ler/Kas-2 incompatibility 1) mutant mapping to RPP1-like R8 Ler, the parental line Kas-2 accession and the Ler/Kas-2 NIL have been determined by RNA-seq in 5-week old plants grown at 14 - 16 ºC.
2018-05-16 | E-MTAB-6755 | biostudies-arrayexpress
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