VEG-03D: Microbial Communities on Space-Grown Leafy Greens from the ISS

NASA's VEG-03D experiment provides qualitative and quantitative data on microbial communities from three leafy greens grown simultaneously in the International Space Station's Veggie unit. The study used both culturable and non-culturable methods, including 16S rRNA amplicon sequencing, to characterize leaves, roots, and hardware surfaces from two harvests. Culture-based pathogen screening indicated the leafy greens were safe for consumption, offering insights for food production in closed space environments.

Use Cases

• Compare microbial diversity between plant roots and leaves based on 16S rRNA sequencing data mentioned in the description
• Assess food safety risks for space-grown crops based on culture-based pathogen screening results
• Model the impact of a closed environment on plant microbiomes based on samples from the ISS Veggie chamber
• Analyze microbial community differences between plant tissue and hardware substrates like wicks and pillows

Strengths

• Data includes both qualitative and quantitative results from culturable and non-culturable methods
• Samples cover three plant species, two harvests, and multiple sample types (leaves, roots, hardware)
• Findings are directly relevant to food safety for fresh crops grown on the ISS
• Community analysis was completed with 16S rRNA amplicon sequencing

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 specialized tools for access

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Microbiological characterization using molecular and culture-based methods on samples from the VEG-03D experiment on the ISS.

Time Range

Covers the period of the VEG-03D technology demonstration on the ISS.

Freshness

Last updated 2026-03-13 20:05:17.152454; freshness should be verified

Geography

International Space Station