Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1015138 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25998963_1.fastq.gz | Fastqsanger.gz | |||
| SRR25998963_2.fastq.gz | Fastqsanger.gz | |||
| SRR25998964_1.fastq.gz | Fastqsanger.gz | |||
| SRR25998964_2.fastq.gz | Fastqsanger.gz | |||
| SRR25998965_1.fastq.gz | Fastqsanger.gz |
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Project description:More than four billion people rely on bread wheat (Triticum aestivum L.) as a major constituent of their diet. However, the changing climate threatens wheat production, with periods of intense drought stress already causing widespread wheat yield losses. Much of the research into the wheat drought response has centred on the response to drought events later in development, during anthesis or grain filling. But as the timing of periods of drought stress become increasingly unpredictable, a more complete understanding of the response to drought during early development is also needed. Here, we utilized the YoGI landrace panel to identify the key genes regulating processes such as, stomatal opening, stomatal closing, stomatal morphogenesis and stress hormone signalling related to drought stress.
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2024-12-11 | GSE283676 | GEO
Project description:To provide a global study of transcriptome changes under drought stress, the gene expression levels of a durum wheat genotype (Triticum durum Desf. cultivar Creso) and two bread wheat genotypes (Triticum aestivum L. cultivar Chinese Spring -CS- and its deletion line CS_5AL-10) were investigated. The 5A chromosome deletion line (5AL-10) lacks the distal part (43%) of the long arm of chromosome 5A. Each genotype was subjected to two different levels of water stress at the grain filling stage. After anthesis, three different levels of soil water content (SWC) were induced as described below: control (CTRL; SWC=28%), moderate stress (MS; SWC=18%), and severe stress (SS; SWC=12.5%). For each sample, three biological replicates were performed, for a total of 27 hybridizations. ****[PLEXdb(http://www.plexdb.org) has submitted this series at GEO on behalf of the original contributor, Alessio Aprile. The equivalent experiment is TA23 at PLEXdb.]
2011-08-31 | GSE31759 | GEO
Project description:Allohexaploid bread wheat (Triticum aestivum, L.) provides ~ 20% of calories consumed by humans. Hitherto lack of genome sequence for the three homoelogous and highly similar bread wheat genomes (A, B and, D) impeded expression analysis of the grain transcriptome. We used novel genome information to analyze the cell type specific expression of homeologous genes in the developing wheat grain.
2014-07-18 | E-MTAB-2137 | biostudies-arrayexpress
Project description:Bread wheat (Triticum aestivum) is a staple food crucial for global caloric intake and food security. The current climate emergency demands the development of sustainable agricultural practices, particularly in the context of drought-induced yield reductions in bread wheat. Microalgae-based biostimulants have emerged as promising tools to enhance crop tolerance to drought stress while concurrently mitigating atmospheric CO2 accumulation. This study characterizes the transcriptomic responses to the foliar application of the microalgae-based biostimulant LRMTM in drought-stressed and fully irrigated wheat plants unveiling its mode of action. Drought stress at the tillering stage significantly altered gene expression activating key pathways related to phosphate starvation response (PSR), inositol phosphate signaling, and tocopherol biosynthesis. The application of the microalgae-based biostimulant LRMTM in drought-stressed plants further enhanced the expression of drought-responsive genes, particularly those involved in PSR and carbon fixation. Specific responses to LRMTM treatment in drought-stressed plants were also found related to abscisic acid (ABA) signaling activating genes involved in stomata closure, which plays a critical role in drought tolerance. In fully irrigated plants, LRMTM treatment was also beneficial modulating circadian rhythms, shade avoidance and attenuating stress responses. Phenotypic analysis showed that LRMTM-treated plants exhibited enhanced drought tolerance, increased height and spike length even under fully irrigated conditions. These results indicate that the microalgae-based biostimulant LRMTM not only enhances wheat response to drought but also promotes growth and productivity in both stressed and non-stressed conditions which could contribute to the development of sustainable agriculture in the face of the current climate challenges.
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Project description:Bread wheat (Triticum aestivum cv. Mace) mature and senescent flag leaves were collected over a 48 h time course in continuous conditions to investigate changes in circadian clock regulation that occur during leaf senescence.
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Project description:This dataset presents a comparative proteomic analysis of wheat (Triticum aestivum) seedlings under control conditions and after a 3-hour heat stress treatment.
2025-04-22 | PXD063215 |
Project description:To provide a global study of transcriptome changes under drought stress, the gene expression levels of a durum wheat genotype (Triticum durum Desf. cultivar Creso) and two bread wheat genotypes (Triticum aestivum L. cultivar Chinese Spring -CS- and its deletion line CS_5AL-10) were investigated. The 5A chromosome deletion line (5AL-10) lacks the distal part (43%) of the long arm of chromosome 5A. Each genotype was subjected to two different levels of water stress at the grain filling stage. After anthesis, three different levels of soil water content (SWC) were induced as described below: control (CTRL; SWC=28%), moderate stress (MS; SWC=18%), and severe stress (SS; SWC=12.5%). For each sample, three biological replicates were performed, for a total of 27 hybridizations. ****[PLEXdb(http://www.plexdb.org) has submitted this series at GEO on behalf of the original contributor, Alessio Aprile. The equivalent experiment is TA23 at PLEXdb.] genotype: Creso - stress condition: Control(3-replications); genotype: Creso - stress condition: Mild stress(3-replications); genotype: Creso - stress condition: Severe stress(3-replications); genotype: CS - stress condition: Control(3-replications); genotype: CS - stress condition: Mild stress(3-replications); genotype: CS - stress condition: Severe stress(3-replications); genotype: CS-5AL - stress condition: Control(3-replications); genotype: CS-5AL - stress condition: Mild stress(3-replications); genotype: CS-5AL - stress condition: Severe stress(3-replications)
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Project description:Heat stress adversely affects global bread wheat (Triticum aestivum L.) productivity. This study aimed to uncover the mechanisms underlying heat tolerance in wheat flag leaves and spike tissues. We compared protein abundance in flag leaves and spikes among wheat genotypes with contrasting heat tolerance—two tolerant (RAJ3765 and HD2932 )and two susceptible (HD2329 and HD2733)—under short-term heat stress (32°C) at ear peep. We identified 31 and 60 changes in protein abundance within flag leaves and spike tissues, respectively.
2025-05-03 | PXD048499 | Pride
Project description:Drought is among the most limiting factors for sustainable agricultural production. Water shortage at the onset of flowering severely affects the quality and quantity of grain yield of bread wheat (Triticum aestivum). Herein, we measured oxidative stress and photosynthesis-related parameters upon applying transient drought on contrasting wheat cultivars at the flowering initiation stage of ontogenesis. The sensitive cultivar showed ineffective water management and a more severe decline of photosynthesis. Apparently, the tolerant genotype used photorespiration to dissipate excessive light energy. The tolerant cultivar sooner induced superoxide dismutase and showed less inhibited photosynthesis. Such protective effect resulted in less affected yield and spectrum of seed proteome. The tolerant cultivar had a more stable gluten profile, which defines bread-making quality, upon drought. Drought caused the accumulation of medically relevant proteins: (i) components of gluten in the sensitive cultivar and (ii) metabolic proteins in the tolerant cultivar. We propose specific proteins as markers of drought tolerance for guiding efficient breeding: thaumatin-like protein, 14-3-3 protein, peroxiredoxins, peroxidase, FBD domain protein, and Ap2/ERF plus B3 domain protein.
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