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Updated: Sep 8, 2026

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DNA Methylation: Bisulphite Modification and Analysis
Published on: October 20, 2011
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Context and Complexity: Analyzing Methylation in Trinucleotide Sequences
1State Key Laboratory of Plant Genomics and National Center for Plant Gene Research, CAS Center for Excellence in Molecular Plant Sciences, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.
Trends in Plant Science
|April 11, 2017
Abstract:
Cytosine methylation in plants occurs in the mCG, mCHG, and mCHH (where H = A, T, or C) sequence contexts and specific pathways maintain methylation in each one. A recent publication revealed that substantial heterogeneity of methylated cytosine levels exists in the CHG/CHH trinucleotide contexts, which is associated with chromomethyltranferase functions in the maintenance of methylation.

