Article
Differential histone H3 Lys-9 and Lys-27 methylation profiles on the X chromosome.
Molecular and cellular biology - 1 Jun 2004
Rougeulle Claire, Chaumeil Julie, Sarma Kavitha, Allis C David, Reinberg Danny, Avner Philip, Heard Edith
Abstract excerpt
Histone H3 tail modifications are among the earliest chromatin changes in the X-chromosome inactivation process. In this study we investigated the relative profiles of two important repressive marks on the X chromosome: methylation of H3 lysine 9 (K9) and 27 (K27). We found that both H3K9 dimethylation and K27 trimethylation characterize the inactive X in somatic cells and that their relative kinetics of...
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