Flax Omics Data on Drought Stress and Lignan Changes
by Xueqing He·Updated 2mo ago
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Description
A 30-day drought stress experiment on flax cultivar LT001 generated integrated transcriptomic, metabolomic, and physiological data. The study identified 10,215 differentially expressed genes in fruits and 1252 significantly altered metabolites in leaves, revealing molecular responses to drought. Researcher Xueqing He published this analysis in April 2026.
Use Cases
Analyze correlations between drought-induced gene expression (10,215 DEGs in fruits) and metabolite changes (1304 in leaves) to map stress response pathways.
Model the relationship between soil moisture (≈7%) and physiological traits like fresh weight, proline content, and antioxidant enzyme activities.
Investigate the biosynthetic shift leading to increased secoisolariciresinol (SECO) and secoisolariciresinol diglucoside (SDG) content, especially the 600% SECO increase in fruits.
Identify potential metabolic bottlenecks by examining decreased levels of specific metabolites like adenosine 5’-diphosphate in fruits and UDP-D-glucose in leaves.
Strengths
Integrated multi-omics data covering transcriptomics (19,930 total DEGs) and metabolomics (2,556 total altered metabolites).
Controlled experimental design with a 30-day drought stress period and specific soil moisture target (≈7%).
Clear quantification of key lignan compounds, including a 600% relative increase of SECO in fruits.
Limitations
Single cultivar (LT001) study limits generalizability to other flax varieties.
Small physical dataset size (951.0 KB) suggests it contains a research article or summary, not the raw omics data files.
Experimental data from one time-point and condition, lacking longitudinal or multi-stress level profiling.
Provenance
Source
figshare, authored by Xueqing He.
Collection Method
Integrated transcriptomic, metabolomic, and physiological-biochemical analysis of flax plants subjected to 30 days of controlled drought stress.
Time Range
Experimental period of 30 days; publication date 2026.
Freshness
Last updated April 2026.
Geography
null
Primary data is likely a DOCX research article describing the study; raw sequencing or mass spectrometry data files are not included. License is CC-BY-4.0.