Si-Proteomic changes in Pearl Millet
Ontology highlight
ABSTRACT:
ORGANISM(S): Panicum Miliaceum
SUBMITTER: 
Etienne Philippe
PROVIDER: PXD075475 | iProX | Tue Mar 10 00:00:00 GMT 2026
REPOSITORIES: iProX
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Project description:Description: The aim of this project was to test the effect of seed priming with silicon, seaweed extract or both to alleviate the drought stress in Sesamum indicum.
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Project description:The hypothesis whether CaCl2 seed treatment prior to sowing (osmopriming) can enhance drought stress tolerance, and/or alleviate the effect on plant growth was tested. Here we elucidate whether seed treatment prior to sowing (osmopriming) with CaCl2 can improve the drought stress tolerance, as it was previously reported for salt stress on wheat. Thus the effect of 50 mM CaCl2, previously chosen based on pilot experiment, versus water-treated control exposed to drought stress was investigated.
2015-09-30 | GSE56437 | GEO
Project description:Purpose: The goal of this study are to reveal the internal mechanism of silicon increased Glycyrrhiza uralensis Fisch. seedlings drought-tolerance,salt-tolerance and salt-drought tolerance by RNA-Seq. Methods: mRNA profiles of Glycyrrhiza uralensis Fisch. Seedling in eight treatment: control treatment with or without silicon,salt treatment with or without silicon,drought treatment with or without silicon,salt-drought treatment with or without silicon. Each treatment group sequenced the aerial (stems, leaves, buds and all the above ground parts) and underground parts (roots and all the underground parts) respectively Results:A total of 48 samples were sequenced and 372.37GB of clean data was acquired. The clean data of every sample reached 5.96GB, and the percentage of Q30 base was 94.63% or above. Clean reads of each sample were sequentially aligned with the specified reference genome, and alignment efficiency ranged from 85.27% to 92.66%. Therefore, the transcriptome data of samples were obtained with a high correct rate and good genomic coverage.Results of sequencing analysis showed that compared with CK group, there were 1426 DEGs (771 up-regulated and 655 down-regulated), 1386 DEGs (571 up-regulated and 815 down-regulated) and 4192 DEGs (1668 up-regulated and 2524 down-regulated) in aerial part, and 1462 DEGs (730 up-regulated and 732 down-regulated), 2212 DEGs (939 up-regulated and 1273 down-regulated) and 3735 DEGs (1768 up-regulated and 1986 down-regulated) in underground part of D, S and SD group respectively. Conclusions: Our study help to better understand the underlying molecular mechanisms of silicon improve the drought-tolerance,salt-tolerance and salt-drought tolerance of G. uralensis.
2022-02-21 | GSE197004 | GEO
Project description:The aim of the study was to test the Intel array platform and map the H2B epitopes bound by commercial antibody reagents. We also tested the ability of SET7 PKMT to methylate Intel array peptides. We diluted antibody reagents 1:1000 and incubated dilutions on the silicon-based Intel array platorm.
2011-12-02 | GSE34034 | GEO
Project description:Purpose: The goal of this study are to reveal the internal mechanism of Bacillus pumilus G5 and silicon increased Glycyrrhiza uralensis Fisch. seedlings drought-tolerance by RNA-Seq. Methods: mRNA profiles of Glycyrrhiza uralensis Fisch. Seedling in five treatment: control treatment, drought stress treatment, drought stress with G5 treatment, drought stress with Si treatment and drought stress with G5 combined Si treatment. Results: The full-length transcriptome sequencing of 15 samples was completed, and the clean data of each sample was 6.28GB. All the consistent transcript sequences were aligned to the reference genome by minimap2 software and then de-redundant analysis was performed. Finally, 37267 genes were obtained. A total of 6934 DEGs were identified in four comparisons (D vs CK, DB vs D, DSi vs D, and DBSi vs D), among which are 967, 1559, 1278 and 3130 DEGs in four comparisons, respectively. Conclusions: Our study help to better understand the underlying molecular mechanisms of Bacillus pumilus G5 and silicon improve the drought-tolerance of G. uralensis.
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Project description:his study investigates how Arabidopsis thaliana seeds integrate genetic and environmental stress during development. We analyzed wild-type (WT) and cruabc triple seed-storage-protein (SSP) mutants to test whether proteome rebalancing—the ability to maintain overall amino acid and protein composition despite loss of SSPs—persists under additional stress. Plants were subjected to low nitrogen, high nitrogen, or drought treatments applied exclusively during seed filling. We measured seed physiological traits, carbon and nitrogen content, fatty-acid composition, free and protein-bound amino acids, and performed DIA-based total proteomics.
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Project description:Drought priming is a promising approach to improve drought tolerance, and root apex plays important role in coping with drought adversities in plants. It has been observed that less inhibition of root growth under drought stress was found in paralleling with the enhanced drought tolerance induced by drought priming in wheat. However, the contribution and mechanisms of root apex to the improved tolerance induced by drought priming remains unknown. Here, the transcriptome and proteome of three different zones along the root axis under drought stress were investigated. The two zones distal from the root apex showed more sensitive to drought priming and the later drought stress than the zone proximal to the root apex, as exemplified by the principal component analysis of the different expressed genes (DEGs) among treatments. The DEGs which decreased by drought stress, while higher expressed in primed plants than non-primed plants, might play critical roles in enhanced root growth in primed plants. These genes were mainly involved in the pathways related to cell membrane sensing, plant hormone signaling, stress defense and cell more modification. Moreover, the plant hormone pathway showed positive correlated between transcriptome and proteome analysis, and genes network analysis hinted that ABA receptor and aquaporin could be potential markers in regulation of priming induced root growth and drought stress tolerance.
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