Peanut Seedling Responses to Cadmium Stress and Calcium Treatments

A controlled experiment on peanut seedlings (Arachis hypogaea L.) exposed to cadmium stress and treated with inorganic calcium or sorbitol-chelated calcium. The dataset includes integrated physiological, biochemical, and transcriptomic analyses, such as measurements of growth parameters, photosynthetic activity, reactive oxygen species (ROS), superoxide dismutase (SOD) activity, malondialdehyde (MDA) levels, and gene expression for AUX/IAA, GH3, SAUR, and JAZ. The study provides a basis for understanding how calcium treatments mitigate heavy metal toxicity.

Use Cases

• Analyze the relationship between superoxide dismutase (SOD) activity and malondialdehyde (MDA) levels to assess oxidative stress mitigation under different calcium treatments.
• Model the influence of chlorophyll fluorescence and reactive oxygen species (ROS) on biomass accumulation using structural equation modeling insights from the study.
• Examine transcriptomic data for expression patterns of key genes like AUX/IAA, GH3, SAUR, and JAZ to understand hormonal signaling pathways activated by sorbitol-chelated calcium.
• Compare physiological growth parameters and photosynthetic efficiency between cadmium-stressed seedlings treated with inorganic calcium versus sorbitol-chelated calcium.

Strengths

• Dataset integrates multi-modal analyses including physiological, biochemical, and transcriptomic data from a controlled experiment.
• Study design includes a comparative treatment of cadmium stress with two forms of calcium (inorganic and sorbitol-chelated) at equivalent concentrations.
• Research provides specific biochemical markers analyzed, such as superoxide dismutase (SOD) activity and malondialdehyde (MDA) levels.

Limitations

• The primary data is embedded within a 744.3 KB DOCX document, requiring extraction and structuring for quantitative analysis.
• Sample size and specific row/column counts for numerical data are not provided in the input.
• Geographic origin and precise time range of the experiment are not specified.

Provenance

Source

figshare, authored by Li Zhao.

Collection Method

Controlled comparative experiment on peanut seedlings involving physiological measurements, biochemical assays, and transcriptomic analysis.

Freshness

Last updated 2026-03-23.