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Analysis of gene expression patterns of Arabidopsis roots grown in methyl jasmonate (MeJA), cytokinin (CK), MeJA/CK- treated conditions

ABSTRACT: Purpose: Understanding of MeJA, CK effect on regulation of gene expression patterns in Arabidopsis roots

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE80188 | GEO | 2016/07/30

SECONDARY ACCESSION(S): PRJNA318266

REPOSITORIES: GEO

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Analysis of gene expression patterns of Arabidopsis roots grown in methyl jasmonate (MeJA), cytokinin (CK), MeJA/CK- treated conditions

Project description:Purpose: Understanding of MeJA, CK effect on regulation of gene expression patterns in Arabidopsis roots Total mRNA was extracted from 7-day-old Arabidopsis roots grown in MeJA (10uM), CK (50nM) and MeJA/CK-treated conditions. To generate cDNA libraries with TruSeq RNA library kit, 1 Î¼g of total RNA was used. This step consisted of polyA-selected RNA extraction, RNA fragmentation, random hexamer primed reverse transcription and 100 nt paired-end sequencing by Illumina HiSeq2000. 4,403 genes satisfying |fold change|â¥2 in at least one data set were collected.

2016-07-30 | E-GEOD-80188 | biostudies-arrayexpress

Pearl millet seedlings treated with methyl jasmonate (MeJA)

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Detection of Methyl jasmonate (MeJA) in Plant root VOCs

Project description:Methyl jasmonate (MeJA) is a well-known plant hormone known for plant defense and plant-plant signaling. However, most of the studies are focussed on its aboveground presence and functions. Here we report that MeJA is also released by plant roots in a volatile form. More importantly, it is shown in Arabidopsis growing in natural conditions in soil.

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Shoot and root of barley seeds: Methyl Jasmonate (MeJA) treatment

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Pearl millet seedlings treated with methyl jasmonate (MeJA)

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Shoot and root of barley seeds: Methyl Jasmonate (MeJA) treatment

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Transcriptomic analysis of Arabidopsis wild-type (Col-0), phyb-9, jaz10 and jaz10phyB-9 plants to methyl jasmonate (MeJA)

Project description:We used Affymetrix 1.0 ST arrays to compare the transcriptome of 4 weeks‐day‐old plants sprayed with 250uM of MeJA or mock (control). For the experiments we used wild-type (Col-0), phyB-9 and jaz10 single mutants and jaz10phyb double mutant. Samples were harvested after 3hours of induction with MeJA or mock. We performed a first analysis with the transcriptomes of wild‐type (Col-0) to identify those group of genes that are up‐ and down‐regulated by MeJA treatment (2 fold-changes). We founded 719 genes whose expression was statistically significantly different between the two treatments. To gain knowledge into the regulation of phyB over these set of 719 genes, we contrasted their expression levels against phyB transcriptome. By cluster analysis, we identified five major groups of genes, where in two of them the transcript levels increased in presence of MeJA (clusters 1 and 2) and three whose expression decrease after MeJA treatment (Cluster 3, 4 and 5).

2020-01-01 | GSE130255 | GEO

Proteome response in maize to methyl jasmonate

Project description:Jasmonic acid (JA) and methyl jasmonate (MeJA) regulate plant development, resistance to stress, and insect attack by inducing specific gene expression. However, little is known about the mechanism of plant defense against herbivore attack at a protein level. Using a high-resolution 2-DE gel, we identified 60 MeJA-responsive proteins and measured protein expression level changes. Among these 62 proteins, 43 proteins levels were increased while 11 proteins were decreased. We also found eight proteins uniquely expressed in response to MeJA treatment. The proteins identified in this study have important biological functions including photosynthesis and energy related proteins (38.4%), protein folding, degradation and regulated proteins (15.0%), stress and defense regulated proteins (11.7%), and redox-responsive proteins (8.3%). We found MeJA could not only induce plant defense mechanisms to insects, it also enhanced toxic protein production that potentially can be used for bio-control of Asian corn borer.

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SWATH-MS Proteomics Analysis of Persicaria minor herb upon Methyl Jasmonate elicitation

Project description:Stresses from either biotic or abiotic origins can have significant impact towards plant physiology and molecular regulation. Jasmonate acid (JA) and its derivative, methyl JA (MeJA) are hormonal cues released by plants which signal defensive response to curb the damage from such stresses. In an attempt to study the defensive response, a tropical herbal plant, Persicaria minor (P. minor) which is known for its pungent smell as well as various bioactivities including antimicrobial and anti-cancer, has been treated with MeJA to invoke the stress signaling. Such elicitation has been performed in various plants such as Arabidopsis, rice and hairy root cultures of certain herbs, yet how MeJA directly influenced the proteome of a herbal species particularly P. minor has not been previously elucidated. In this study, P. minor plants was exogenously treated with MeJA and its proteome was investigated using a new proteomics approach called SWATH-MS.

2018-06-25 | PXD005749 | Pride

Transcriptional Profile of Glycyrrhiza uralensis Fisch Suspension Cell in Response to Methyl Jasmonate

Project description:Licorice (Glycyrrhiza uralensis Fisch) flavonoids have many pharmacological effects, as the main chemical component of licorice, its content directly affects the quality of licorice. Methyl jasmine (MeJA) is an important signaling molecule in the secondary metabolic pathway of plants, but the biological mechanisms that stimulating the production of licorice flavonoids and the related changes in transcriptome are still less studied. In this research, the expression of two key enzyme genes: Chalcone synthase (CHS) and Cinnamate 4-hydroxylase (C4H) in the biosynthesis pathway of licorice flavonoids was determined, and it was significantly different after 9 hours of MeJA induction. The transcriptome profiles of licorice cells at 9 hours after MeJA treatment were analyzed to investigate the transcriptional alterations of licorice cell in response to MeJA elicitation by “RNA-seq”. 151, 529 transcripts (200 bp in length) of cDNA from the samples were generated, and 116, 907 unigenes were found. MeJA appeared to stimulate a large number of genes involved in several relevant functional categories, such as carbohydrate metabolism and encoding transcription factors, 11 MYB transcription factors expressed significant differences were screened. This comprehensive description of gene expression information could help elucidate the molecular mechanism of MeJA-mediated biosynthesis of licorice flavonoids and MeJA-regulated network formation.

2019-08-01 | GSE128503 | GEO

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