Ontology highlight
ABSTRACT:
PROVIDER: PRJNA894452 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR22046049_1.fastq.gz | Fastqsanger.gz | |||
| SRR22046049_2.fastq.gz | Fastqsanger.gz | |||
| SRR22046050_1.fastq.gz | Fastqsanger.gz | |||
| SRR22046050_2.fastq.gz | Fastqsanger.gz | |||
| SRR22046051_1.fastq.gz | Fastqsanger.gz |
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Project description:The transcriptome of Leptosphaeria maculans was analyzed in mycelium and during oilseed rape (Brassica napus) leaf infection. The array probes were designed from gene models from the L. maculans whole genome annotation. One aim of this study was to verify the expression of the automatically annotated gene models in various conditions. Another goal was to monitor gene expression profiles during oilseed rape leaf infection and to highlight tissue-specific transcripts, e.g. in plant up-regulated transcripts, for further analyses. We performed 9 hybridizations (NimbleGen) with samples derived from mycelium and infected oilseed rape leaves. Samples from infected oilseed rape leaves were harvested 7 and 14 days post infection. Three replicates each. All samples were labeled with Cy3.
2011-02-09 | E-GEOD-27152 | biostudies-arrayexpress
Project description:The transcriptome of Leptosphaeria maculans was analyzed in mycelium and during oilseed rape (Brassica napus) leaf infection. The array probes were designed from gene models from the L. maculans whole genome annotation. One aim of this study was to verify the expression of the automatically annotated gene models in various conditions. Another goal was to monitor gene expression profiles during oilseed rape leaf infection and to highlight tissue-specific transcripts, e.g. in plant up-regulated transcripts, for further analyses.
2011-02-09 | GSE27152 | GEO
Project description:Oilseed rape is both an important oleaginous crop and agriculture sightseeing crop whereas has relatively scanty flower color. As natural flavonoids, Anthocyanin are responsible for the attractive red, purple, and blue colors of various tissues in higher plants, especially for the ornamental plants flower. One Brassica napus-Orychophragmus violaceus disomic addition line (M4) obtained previously exhibits red petals whichresult from anthocyanin biosynthesis. Transcriptome analysis of M4, B. napus (H3), natural individuals of O. violaceus with purple petals (OvP) and white petals (OvW) revealed that most of structural genes for the anthocyanin synthesis were up-regulated in both M4 and OvP, especially key gene ANS in the last step. Reads assembling and sequence alignment showed that the regulatory DEG PAP2 in M4 was from the transcript of O. violaceus. OvPAP2 was transformed into Arabidopsis thaliana and B. napus driven by the CaMV35S promoter and the rape petal-specific prompter XY355. Transgenic A. thaliana plants showed different levels of purple pigments in most of the organs, including the petals, and transgenic B. napus flowers exhibited restricted accumulation of anthocyanins in stamens when driven by CaMV35S promoter, but generated both red petals and anthers driven by the XY355 promoter. These results provided a platform for expounding the anthocyanin biosynthesis pathway in B. napus petals and give a successful case for flower color modification of the agriculture sightseeing rape.
2017-12-30 | GSE93089 | GEO
Project description:Glutathione (GSH) is a tripeptide involved in controlling heavy metal movement in plants. Our previous study demonstrated that GSH, applied to plant roots site-specifically, inhibited Cd translocation from roots to shoots in oilseed rape plants (Brassica napus) cultured hydroponically. One of the factors of this inhibitory effect was due to activation of Cd efflux from root cells. To investigate the molecular mechanism triggered by root applied GSH in more detail, the Cd movement was monitored non-invasively using a positron-emitting tracer imaging system (PETIS). The Cd absorption and efflux process in roots were visualized successfully. The effects of GSH on Cd efflux from root cells were estimated by analyzing obtained imaging data. Another image analysis suggested that Cd return was activated by GSH, applied to roots, at the shoot base. Cutting the shoot base of oilseed rape plants significantly inhibited Cd efflux from root cells. These experimental results demonstrated the shoot base is playing important roles in distributing Cd in the plant bodies. Furthermore, DNA microarray analysis revealed that over 300 genes in the roots of oilseed rape plants responded to root applied GSH. Among them, transporter proteins, related to heavy metal movement in plants, and proteins related to changing the structure of cell walls were involved.
2021-03-11 | GSE144768 | GEO
Project description:High temperature stress results in yield loss and alterations to seed composition during seed filling in oilseed rape (Brassica napus). However, the mechanism underlying this heat response is poorly understood. In this study, we employed a microarray analysis with silique walls and seeds from the developing siliques (20 days after flowering) of Brassica napus that had undergone heat stress. Two-condition experiment, control vs heat stress, 2 time points
2015-01-05 | E-GEOD-57697 | biostudies-arrayexpress
Project description:The hemibiotrophic fungal pathogen Leptosphaeria maculans is the causal agent of blackleg disease in Brassica napus (canola, oilseed rape) and causes significant losses in crop yields worldwide. While genetic resistance has been used to mitigate the disease, little information about the genes and gene regulatory networks underlying blackleg resistance is currently available. High-throughput RNA sequencing and rigorous bioinformatics approaches revealed dynamic changes in the host transcriptome and identified plant defense pathways specific to the host-pathogen incompatible LepR1-AvrLepR1 interaction.
2016-04-01 | GSE77723 | GEO
Project description:High temperature stress results in yield loss and alterations to seed composition during seed filling in oilseed rape (Brassica napus). However, the mechanism underlying this heat response is poorly understood. In this study, we employed a microarray analysis with silique walls and seeds from the developing siliques (20 days after flowering) of Brassica napus that had undergone heat stress.
2015-01-05 | GSE57697 | GEO