(IMAGE)

Nara Institute of Science and Technology

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The image shows an early stage flower of Arabidopsis thaliana. Using confocal microscopy, Shang Erlei et al. found that KNUCKLES (KNU), encoding a C2H2-type zinc finger repressor, expresses in floral meristem (shown in red) from floral stage 6 and overlaps with the stem cell marker gene CLVTAVA3 (CLV3) expressing cells (shown in green). Further, KNU directly repressed CLV3 and mediates a regulatory framework for the timely controlled floral meristem determinacy.

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Bo Sun

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