Arabidopsis Transcriptome Responses to Controlled Hypobaria and Hypoxia

NASA's experiment compares whole transcriptomes of Arabidopsis seedlings exposed to five different atmospheric pressures and oxygen compositions for 24 hours. The data includes profiles from 10-day-old plants across six environments and a subset of 5-day-old plants for age-dependent analysis. The study dissects the effects of low atmospheric pressure from typical high-altitude hypoxia.

Use Cases

• Identify genes differentially expressed under low pressure (hypobaria) based on the described pressure and oxygen treatments.
• Analyze the interaction between pressure and oxygen stress on plant transcriptomes using the controlled environmental variables.
• Compare age-dependent stress responses in seedlings using the 5-day and 10-day old plant data.
• Model complex gene regulation networks specific to hypobaric stress, distinct from simple hypoxia, as indicated by the findings.

Strengths

• Data from a controlled NASA experiment isolating pressure effects from oxygen effects.
• Includes six distinct atmospheric treatments with precise kPa and pO2 values.
• Compares responses across two plant ages (5-day and 10-day old seedlings).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• File format is listed as BIN, which may require specific tools for access and interpretation.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Laboratory-controlled experiment exposing Arabidopsis seedlings to varied atmospheric pressure and oxygen conditions, followed by transcriptome sequencing.

Time Range

Experiment duration of 24 hours for the primary treatments.

Freshness

Last updated 2026-03-13 19:22:14.707213; freshness should be verified.

Geography

Laboratory environment; spatial coverage is not specified.