An upstream region of the Arabidopsis thaliana CDKA;1 (CDC2aAt) gene directs transcription during trichome development. Imajuku Y, Ohashi Y, Aoyama T, Goto K, Oka A. Plant Mol Biol. 2001 May;46(2):205-13.
...... the 595 bp fragment lacks cis element(s) essential for proliferating-cell-specific promoter activity, but can direct transcription in a specific period during trichome development, which does not include cell division. This suggests that CDKA;1 functions during cell morphogenesis as well as cell proliferation. ......
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