Epigenetic programming via histone methylation at WRKY53 controls leaf senescence in Arabidopsis thaliana.

@article{Ay2009EpigeneticPV,
  title={Epigenetic programming via histone methylation at WRKY53 controls leaf senescence in Arabidopsis thaliana.},
  author={Nicole Ay and Kristina Irmler and Andreas Fischer and Ria Uhlemann and G. Regel. M. Reuter and Klaus K Humbeck},
  journal={The Plant journal : for cell and molecular biology},
  year={2009},
  volume={58 2},
  pages={333-46}
}
Leaf senescence, the final step of leaf development, involves extensive reprogramming of gene expression. Here, we show that these processes include discrete changes of epigenetic indexing, as well as global alterations in chromatin organization. During leaf senescence, the interphase nuclei show a decondensation of chromocenter heterochromatin, and changes in the nuclear distribution of the H3K4me2, H3K4me3, and the H3K27me2 and H3K27me3 histone modification marks that index active and… CONTINUE READING
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