Plant Signaling in Microgravity: Arabidopsis Transcript Profiles from ISS Experiment

An experiment conducted on the International Space Station in 2026 compared RNA sequencing transcript profiles of wild type and transgenic Arabidopsis seedlings grown for 5 days in microgravity and simulated 1g conditions. The data was generated by NASA to understand molecular mechanisms of plant adaptation to spaceflight, specifically in plants with compromised inositol trisphosphate signaling. The dataset includes results from shoot and root tissue analysis.

Use Cases

• Identify differentially expressed genes in plants under microgravity based on the RNA sequencing results.
• Compare conserved and altered regulatory mechanisms between wild type and transgenic seedlings as described.
• Study the role of inositol trisphosphate signaling in plant responses to spaceflight and other environmental stimuli.
• Validate gene expression models for plant growth in controlled environments like the European Modular Cultivation System.

Strengths

• Data originates from a controlled experiment on the International Space Station, providing a unique microgravity environment.
• Includes a 1g control condition run in space, allowing for isolation of gravity effects.
• Compares two distinct plant genotypes (wild type and transgenic InsP 5-ptase) to study specific signaling pathways.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is provided in a BIN file format, which may require specific tools for access and analysis.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

RNA sequencing of Arabidopsis shoot and root tissue from seedlings grown in the European Modular Cultivation System on the ISS.

Freshness

Last updated 2026-03-13 19:34:12.231248; freshness should be verified.

Geography

International Space Station