The Arabidopsis spaceflight transcriptome dataset from NASA compares whole-plant and tissue-specific gene expression responses to the orbital environment on the International Space Station. Data was gathered from three replicated experiments using GFP reporter imaging and post-flight Affymetrix and SAGE analyses of leaves, hypocotyls, and roots. The dataset was last updated on 2026-03-13.
Use Cases
- Identify tissue-specific gene expression changes in response to spaceflight based on the comparison of leaves, hypocotyls, and roots.
- Validate whole-plant transcriptome analysis against discrete tissue analyses to understand systemic versus localized responses.
- Compare gene expression data collection methods (GFP reporter imaging vs. Affymetrix/SAGE) for spaceflight experiments.
- Study adaptation mechanisms of Arabidopsis thaliana to novel environments based on the transcriptome responses described.
Strengths
- Data originates from three replicated experiments conducted on the International Space Station.
- Analysis compares three specific tissue types (leaves, hypocotyls, roots) to whole-plant responses.
- Employs multiple transcriptome analysis methods (GFP reporter, Affymetrix, SAGE).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- National Aeronautics and Space Administration
- Collection Method
- Plants were grown and harvested on the International Space Station, with gene expression data collected via GFP imaging hardware and RNAlater-preserved samples analyzed with Affymetrix and SAGE.
- Time Range
- null
- Freshness
- Last updated 2026-03-13 20:28:05.811583; freshness should be verified.
- Geography
- International Space Station