Abstract:
:Large molecules require a nuclear localization signal (NLS) for translocation into the nucleus. Classical NLSs are rich in basic amino acids and they represent three groups, based on their structural features: SV40 T-antigen-type, yeast mating factor Matalpha-2-type, and bipartite NLSs. DNA-binding-with-one-finger (DOF) transcription factors play important roles in plants, and although their nuclear localization has been demonstrated in several cases, public protein localization prediction tools fail to detect NLS motifs in these proteins. Here, we demonstrate that an atypical bipartite NLS with a 17 amino acid long linker between its flanking basic regions directs Arabidopsis thaliana DOF proteins to the cell nucleus. The novel bipartite NLS is highly conserved in plant DOF transcription factors, including the single DOF protein in the green alga Chlamydomonas reinhardtii.
journal_name
J Plant Physioljournal_title
Journal of plant physiologyauthors
Krebs J,Mueller-Roeber B,Ruzicic Sdoi
10.1016/j.jplph.2009.11.016subject
Has Abstractpub_date
2010-05-01 00:00:00pages
583-6issue
7eissn
0176-1617issn
1618-1328pii
S0176-1617(10)00010-6journal_volume
167pub_type
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