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Soybean - second generation | Seeds in Chernobyl

Soybean - second generation

Interactive 2-DE gel of  211 protein abundances during soybean seed development in RA and NRA Chernobyl fields

The aim of this experiment was to identify differentially abundant proteins during soybean seed development in Chernobyl radioactive (RA) and non-radioactive (NRA) experimental fields.  The soybean seeds were harvested at 4, 5, and 6 weeks after flowering (WAF) and in mature seeds (M) from both fields.  Protein 2-DE gels from NRA and RA Chernobyl fields were analyzed separately using ImageMaster software 4.9.  Gels of each developmental stage were matched individually to the reference gel in biological triplicate.  A reference gel was obtained by analysis of pooled sample from all investigated stages of seed development.  All matched spots were grouped into subclasses.   Developmental profiles for a particular 2-DE spot were formed from spot subclasses across all developmental stages.  

To ensure high quality of the datasets for comparative analysis, only 2-DE spot that satisfied the following criteria were included: 1) a 2-DE spot must be present in both datasets (i.e. from radioactive and non-radioactive field); 2) in each dataset, a 2-DE spot must be present in at least in two biological replicates and in at least three developmental stages.  A total 211 2-DE spots satisfied these thresholds are circled on interactive 2-DE gel.  The volumes of all spots that satisfied these criteria were normalized as relative volumes (%V) to compensate for small differences in sample loading or gels staining.

Cite these data:

Klubicová K, Danchenko M, Skultety L,  Berezhna VV,  Uvačková L,  Rashydov NM, Hajduch M. 2012. Soybeans grown in the Chernobyl area produce fertile seeds that have increased heavy metal resistance and modified carbon metabolism. PLoS One  7(10): e48169