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Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis

ABSTRACT: Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis

PROVIDER: PRJNA347970 | ENA |

REPOSITORIES: ENA

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Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis [Experiment 2]

Project description:Controlled hypobaria presents biology with an environment that is never encountered in terrestrial ecology, yet the apparent components of hypobaria are stresses typical of terrestrial ecosystems. High altitude, for example, presents terrestrial hypobaria always with hypoxia as a component stress, since the relative partial pressure of O2 is constant in the atmosphere. Laboratory-controlled hypobaria, however, allows the dissection of pressure effects away from the effects typically associated with altitude, in particular hypoxia, as the partial pressure of O2 can be varied. In this study, whole transcriptomes of plants grown in ambient (97 kPa/pO2 = 21 kPa) atmospheric conditions were compared to those of plants transferred to five different atmospheres of varying pressure and oxygen composition for 24 h: 50 kPa/pO2 = 10 kPa, 25 kPa/pO2 = 5 kPa, 50 kPa/pO2 = 21 kPa, 25 kPa/pO2 = 21 kPa, or 97 kPa/pO2 = 5 kPa. The plants exposed to these environments were 10 day old Arabidopsis seedlings grown vertically on hydrated nutrient plates. In addition, 5 day old plants were also exposed for 24 h to the 50 kPa and ambient environments to evaluate age-dependent responses. The gene expression profiles from roots and shoots showed that the hypobaric response contained more complex gene regulation than simple hypoxia, and that adding back oxygen to normoxic conditions did not completely alleviate gene expression changes in hypobaric responses.

2017-05-11 | GSE87868 | GEO

Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis [Experiment 1]

2017-05-11 | GSE87867 | GEO

Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis

Project description:This SuperSeries is composed of the SubSeries listed below.

2017-05-11 | GSE87869 | GEO

Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis.

Project description: Not available

| S-EPMC5385376 | biostudies-literature

Cellular responses toatmospheric-pressure plasma in fission yeast

Project description:We characterized fission yeast cellular responses to a novel stress inducer, non-thermal atmospheric-pressure plasma.

2023-11-24 | GSE230503 | GEO

Dissecting genetic components associated with eye disease using integrative genomic analysis

Project description:Dissecting genetic components associated with eye disease using integrative genomic analysis

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Identification of genes involved in apoptosis-induced by cold atmospheric pressure plasma in human lymphoma U937 cells

Project description:Cold atmospheric pressure plasma (CAP) is known as a source of biologically active agents, such as reactive oxygen species (ROS) and reactive nitrogen species (RNS). Recent medical investigations have focused on applying CAP to cancer treatment. There is also growing evidence that exposure of cells to CAP or CAP-activated medium induces apoptosis in cancer cells, and ROS and/or RNS are considered to be effective agents to CAP-induced apoptosis. More recently, we demonstrated that Ar-CAP or Ar containing 2.5 % of N2 (Ar-N2-CAP) significantly induced apoptosis in human lymphoma U937 cells. However, a detailed molecular mechanism underling the induction of apoptosis by CAP in cancer cells is unclear. In the present study, to identify genes involved in the induction of apoptosis by CAP in human lymphoma U937 cells, global-scale gene expression analysis was performed using a GeneChip® system.

2015-12-15 | GSE76022 | GEO

Arabidopsis thaliana

Project description:Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis [Experiment 2]

| PRJNA347978 | ENA

Arabidopsis thaliana

Project description:Dissecting Low Atmospheric Pressure Stress: Transcriptome Responses to the Components of Hypobaria in Arabidopsis [Experiment 1]

| PRJNA347979 | ENA

Identification of genes involved in apoptosis-induced by cold atmospheric pressure plasma in human lymphoma U937 cells

2015-12-15 | E-GEOD-76022 | biostudies-arrayexpress

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