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Arabidopsis Transcription Factors: Genome-Wide Comparative Analysis Among Eukaryotes
J. L. Riechmann ,
J. Heard ,
G. Martin ,
L. Reuber ,
C. -Z. ,
Jiang ,
J. Keddie ,
L. Adam ,
O. Pineda ,
O. J. Ratcliffe ,
R. R. Samaha ,
R. Creelman ,
M. Pilgrim ,
P. Broun ,
J. Z. Zhang ,
D. Ghandehari ,
B. K. Sherman ,
G. -L. Yu
December 15 2000
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Abstract
<p class="first" id="d62889e152">The completion of the Arabidopsis thaliana genome
sequence allows a comparative analysis
of transcriptional regulators across the three eukaryotic kingdoms. Arabidopsis dedicates
over 5% of its genome to code for more than 1500 transcription factors, about 45%
of which are from families specific to plants. Arabidopsis transcription factors that
belong to families common to all eukaryotes do not share significant similarity with
those of the other kingdoms beyond the conserved DNA binding domains, many of which
have been arranged in combinations specific to each lineage. The genome-wide comparison
reveals the evolutionary generation of diversity in the regulation of transcription.
</p>