BGC
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB10691 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR1007364_1.fastq.gz | Fastqsanger.gz | |||
| ERR1007364_2.fastq.gz | Fastqsanger.gz | |||
| ERR1007365_1.fastq.gz | Fastqsanger.gz | |||
| ERR1007365_2.fastq.gz | Fastqsanger.gz | |||
| ERR1007366_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 12 |
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Project description:Waterlogging leads to major crop losses globally, particularly for waterlogging sensitive crops such as barley. Waterlogging reduces oxygen availability and results in additional stresses, leading to the activation of hypoxia and stress response pathways that promote plant survival. Although certain barley varieties have been shown to be more tolerant to waterlogging than others and some tolerance-related QTLs have been identified, the molecular mechanisms underlying this trait are mostly unknown. Transcriptomics approaches can provide very valuable information for our understanding of waterlogging tolerance. Here, we surveyed 21 barley varieties for the differential transcriptional activation of conserved hypoxia-response genes under waterlogging, and selected five varieties with different levels of induction of core hypoxia-response genes. We further characterized their phenotypic response to waterlogging in terms of shoot and root traits. RNA-sequencing to evaluate the genome-wide transcriptional responses to waterlogging of these selected varieties led to the identification of a set of 98 waterlogging-response genes common to the different datasets. Many of these genes are orthologs of the so-called ‘core hypoxia response genes’, thus highlighting the conservation of plant responses to waterlogging. Hierarchical clustering analysis also identified groups of genes with intrinsic differential expression between varieties prior to waterlogging stress. These genes could constitute interesting candidates to study ‘predisposition’ to waterlogging tolerance or sensitivity in barley.
2023-07-29 | GSE220532 | GEO
Project description:Purpose: To gain a better understanding of the molecular mechanisms that enable de novo AR primordia emergence upon waterlogging, the RNA sequencing-based transcriptomic responses of two contrasting cucumber genotypes, Zaoer-N (waterlogging tolerant) and Pepino (waterlogging sensitive), which differed in their abilities to form AR were compared. Conclusion: This research broadens our understanding of the mechanism underlying waterlogging-triggered ARs emergence, and provides valuable information for the breeding of cucumber with enhanced waterlogging tolerance.
2022-04-29 | GSE130467 | GEO
Project description:We show that an abrupt waterlogging treatment of Arabidopsis thaliana plants triggers a systemic ROS and calcium wave response, and that the waterlogging-triggered ROS wave response is dependent on RBOHD, calcium-permeable channels GLR3.3 and GLR3.6, and aquaporin PIP2;1 proteins. We further show that waterlogging stress is accompanied by a rapid systemic transcriptomic response that is evident as early as 10 min following waterlogging initiation and is partially dependent on RBOHD. Interestingly, the abrupt waterlogging stress resulted in the triggering of a rapid hydraulic wave response and the transient opening of stomata on leaves. Taken together, our findings reveal that the initiation of waterlogging stress in plants is accompanied by rapid systemic transcriptomic and physiological responses that involve the ROS, calcium, and hydraulic waves. These findings reveal that systemic plant responses to waterlogging stress are rapid and at least partially dependent on cell-to-cell signaling mechanisms.
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Project description:‘Hangju’ is a variety of Chrysanthemum morifolium Ramat with both aesthetic and medicinal value, cultivated as traditional Chinese medicine for four centuries. The cultivation of ‘Hangju’ faces a significant challenge due to waterlogging stress, resulting in a considerable decrease in crop yield. Nevertheless, there is a scarcity of studies exploring the underlying mechanisms of waterlogging tolerance in ‘Hangju’. This investigation focused on comparing the characteristics of the waterlogging-tolerant variety EWT and the waterlogging-sensitive variety CK of ‘Hangju’. The study revealed that EWT exhibited a more advanced aeration tissue structure and demonstrated rapid development of adventitious roots following waterlogging. Through a time-course transcriptome analysis, it was observed that EWT could swiftly adjust the expression of genes involved in energy metabolism signaling pathways to acclimate to the waterlogged environment. WGCNA analysis identified INTEGRASE-TYPE DNA-BINDING PROTEIN (CmTINY2) as a key factor in regulating waterlogging tolerance in EWT. CmTINY2, a transcription factor belonging to the ethylene responsive factor (ERF) subfamily III, operated within the nucleus and activated downstream gene expression. Its role in enhancing waterlogging tolerance might be linked to the control of stomatal aperture. In summary, this research has elucidated that the waterlogging tolerance exhibited by EWT chrysanthemum is a result of a combination of morphological structure and molecular regulatory mechanisms. Furthermore, the discovery of a waterlogging-tolerant gene from the ERF subfamily III has broadened our understanding of the role of ERF genes in waterlogging signaling pathways.
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Project description:Waterlogging is a major abiotic stress causing oxygen depletion and carbon dioxide accumulation in the rhizosphere. Barley is more susceptible to waterlogging stress than other cereals. To gain a better understanding of the effect of waterlogging stress in barley, we carried out a genome-wide gene expression analysis in roots of Yerong and Deder2 barley genotypes under waterlogging and control (well-watered) conditions by RNA-Sequencing, using Illumina HiSeq™ 4000 platform.
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Project description:Multiple individuals sampled from across all 7 species of the American live oaks, and outgroup samples from the white oaks, red oaks, and golden oaks. Raw sequence reads
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