Mutation of the transcription factor LEAFY COTYLEDON 2 alters the chemical composition of Arabidopsis seeds, decreasing oil and protein content, while maintaining high levels of starch and sucrose in mature seeds.

@article{AngelesNez2011MutationOT,
  title={Mutation of the transcription factor LEAFY COTYLEDON 2 alters the chemical composition of Arabidopsis seeds, decreasing oil and protein content, while maintaining high levels of starch and sucrose in mature seeds.},
  author={Juan Gabriel Angeles-N{\'u}{\~n}ez and Axel Tiessen},
  journal={Journal of plant physiology},
  year={2011},
  volume={168 16},
  pages={1891-900}
}
The transcription factor LEAFY COTYLEDON 2 (LEC2; At1g28300) is preferentially expressed in developing seeds of Arabidopsis. Detailed biochemical analysis of a loss-of-function lec2 mutant was carried out in seeds 6-21 days after flowering (DAF). In comparison to wild type controls, lec2 seeds had 15% less protein and 30% less oil, but accumulated 140% more sucrose and >5-fold more starch. We also quantified biomass and carbohydrates in the seed coat and embryo. The lec2 mutant had smaller… CONTINUE READING
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