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Figure 1 | Plant Methods

Figure 1

From: In planta assays involving epigenetically silenced genes reveal inhibition of cytosine methylation by genistein

Figure 1

Scheme of the system to detect inhibition of cytosine methylation. Petunia plant line C002, which has transcriptionally silenced CHS-A transgenes, has been generated through spontaneous epigenetic changes involving cytosine methylation on CaMV 35S promoter (left; ref. [26]). N. benthamiana plants that have a transcriptionally silenced GFP gene were produced through virus-induced RNA-directed DNA methylation of the CaMV 35S promoter (right; ref. [37]). Seeds of these plants were sown on a medium that contained a potential demethylating agent. If the agent is inhibitory of cytosine methylation, the frequency of cytosine methylation in the promoters is reduced, resulting in the restoration of transcription from the promoters.

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