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Expression data in response to abiotic stresses in tomato at flowering stage

ABSTRACT: A comparative study ware made to know the abiotic stress tolerance machanism between tolerant and susceptible plants at flowering stage. The tolerance in response to abiotic stresses are sum of expression of thousands of genes at a particular stage.

ORGANISM(S): Solanum lycopersicum

PROVIDER: GSE22304 | GEO | 2010/06/12

SECONDARY ACCESSION(S): PRJNA127381

REPOSITORIES: GEO

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Expression data in response to abiotic stresses in tomato at flowering stage

Project description:A comparative study ware made to know the abiotic stress tolerance machanism between tolerant and susceptible plants at flowering stage. The tolerance in response to abiotic stresses are sum of expression of thousands of genes at a particular stage. Tomato plants were exposed to drought and heat stress for RNA extraction and hybridization on Affymetrix microarrays. To study the molecular mechanism of abiotic stress tolerance to increase the tolerance in tomato plants, transcripts of tolerant and susceptible plants at flowering stage were compared in response to heat and water stress.

2010-06-23 | E-GEOD-22304 | biostudies-arrayexpress

Transgenerational tolerance to abiotic stresses induced by plant virus infection

Project description:Following pathogen infection, plants have developed diverse mechanisms of defense that enhance their immune system for more robust induction of defense responses against recurrent environmental stresses. This induced resistance can be heritable to the progeny, rendering them more tolerant to stressful events. Although within-generational induction of tolerance to abiotic stress is a well-documented phenomenon in virus-infected plants, the transgenerational inheritance of tolerance to abiotic stresses in their progenies has not been explored. Here, we show that infection of Nicotiana benthamiana plants by Potato virus X (PVX) and by a chimeric Plum pox virus (PPV) expressing the P25 protein of PVX (PPV-P25), but not by PPV, conferred tolerance to both salt and osmotic stresses to the progeny, which correlated with the level of virulence of the pathogen. This transgenerational tolerance to abiotic stresses in the progeny was partially sustained even if the plants experience a virus-free generation. Moreover, progenies from a Dicer-like3 mutant, irrespective whether their parents were infected or not, mimicked the enhanced tolerance to abiotic stress observed in progenies of PVX-infected wild-type plants, suggesting the involvement of 24-nt small interfering RNAs in the transgenerational tolerance to abiotic stress induced by virus infection. RNAseq analysis supported the upregulation of genes related to protein folding and response to stress in the progeny of PVX-infected plants. From an environmental point of view, the significance of virus-induced transgenerational tolerance to abiotic stress could be questionable, as its induction was offset by major reproductive costs arising from a detrimental effect on seed production

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Transcriptome profiling of lettuce plants exposed to abiotic stresses

Project description:Lettuce is one of most consumed vegetables globally. This crop is susceptible to abiotic stresses. To understand the molecular mechanisms of stress response in lettuce, global transcriptome analysis was conducted. This analysis revealed distinctive temporal expression patterns among the stress-regulated genes in lettuce plants exposed to abiotic stresses

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Expression data from Wild type (WT) and AtCBF1 OX potato plants exposed to different abiotic stresses

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Project description:To identify novel miRNA and NAT-siRNAs that are associated with abiotic stresses in sorghum, we generated small RNA sequences from sorghum seedlings that grew under control and under dought, salt, and cold stress treatments.

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Genome-wide profiling of small RNAs in maize under abiotic stresses

Project description:To identify novel miRNA and NAT-siRNAs that are associated with abiotic stresses in maize, we generated small RNA sequences from maize seedlings that grew under control and under dought, salt, and cold stress treatments.

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Landscape of open chromatin regions in Rice upon exposure to abiotic stresses

Project description:The goal of the study is to illustrate how various abiotic stresses reshape the chromatin architecture of the Rice genome to fine tune gene expression.

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Landscape of open chromatin regions in Arabidopsis upon exposure to abiotic stresses

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