Abstract
Reshaping of the chromatin landscape under oxidative stress is of paramount importance for mounting an effective stress response. Unbiased systemic identification and quantification of histone marks is crucial for understanding the epigenetic component of plant responses to adverse environmental conditions. We describe a detailed method for isolation of plant histones and subsequent bottom-up proteomics approach for characterization of acetylation and methylation status. By performing label-free quantitative mass spectrometry analysis, relative abundances of histone marks can be statistically compared between experimental conditions.
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