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Encyclopedia of Signaling Molecules pp 1332–1339Cite as

Dbf4

  • Reference work entry
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Synonyms

ASK (activator of S phase kinase)/huDbf4 (human); Chiffon (Drosophila); Dbf4 (dumbbell former 4)/DNA52 (Saccharomyces cerevisiae); Dbf4l1; Dfp1/Him1/Rad35 (Schizosaccharomyces pombe); Drf1/ASKL1 (a second activator of Cdc7 in human and Xenopus); nimO (Aspergillus); Spo6 (a second Dbf4 homologue in S. pombe)

Historical Background

dbf4 (dumbbell former 4) mutation was originally identified in the screening for budding yeast temperature-sensitive mutants which arrest with dumbbell-shaped phenotype at the nonpermissive temperature (Johnston and Thomas 1982). The terminal phenotypes of dbf4(ts) strain at a non-permissive temperature were very similar to those of cdc7 (ts), encoding a serine-threonine kinase known to be essential for initiation of DNA replication. Later, dbf4 was rediscovered as a multi-copy suppressor of cdc7(ts), suggesting physical and functional interactions between Cdc7 and Dbf4 (Kitada et al. 1992). Following this finding, Dbf4 was shown to bind to Cdc7 and...

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Authors and Affiliations

  1. Genome Dynamics Project, Department of Genome Medicine, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan

    Hisao Masai

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  1. Hisao Masai
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Correspondence to Hisao Masai .

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Editors and Affiliations

  1. Department of Molecular Science and Technology, Ajou University, Suwon, Korea

    Sangdun Choi

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Masai, H. (2018). Dbf4. In: Choi, S. (eds) Encyclopedia of Signaling Molecules. Springer, Cham. https://doi.org/10.1007/978-3-319-67199-4_186

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