Turning Off Genes (IMAGE)

University of Pennsylvania

Turning Off Genes

Caption

Researchers have identified small DNA 'signposts' that direct the silencing of genetic activity, allowing plants to move through different stages of development. Compared to normal Arabidopsis plants, plants with mutations in the Polycomb complex (two plants on right) have leaves that curl upward and flower early. The same is true for mutants in the 2 transcription factor families (TFs) that recruit Polycomb.

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University of Pennsylvania

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