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<p>information such as the <a href="page.php?w=histone_code_hypothesis">histone code</a> or <a href="page.php?w=DNA_methylation">DNA methylation</a> patterns.</p>

<p><big>Mechanisms</big></p>
<p><a href="page.php?w=Covalent">Covalent</a> modification of either DNA (e.g. cytosine methylation and hydroxymethylation) or of histone proteins (e.g. lysine acetylation, lysine and arginine methylation, serine and threonine phosphorylation, and lysine ubiquitination and sumoylation) play central roles in many types of epigenetic inheritance. Therefore, the word</p><p>
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