The mouse Plk gene: structural characterization, chromosomal localization and identification of a processed Plk pseudogene

The Plk gene encodes a serine/threonine protein kinase believed to be important for the normal progression of mammalian cells through the cell cycle. In this paper, we report the genomic organization of the mouse Plk gene. The mouse Plk gene encompasses 16 kb of the mouse genome and is organised int...

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Veröffentlicht in:Gene 1997-10, Vol.198 (1), p.329-339
Hauptverfasser: Clay, Fiona J, Ernst, Matthias R, Trueman, John W.H, Flegg, Robert, Dunn, Ashley R
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container_issue 1
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container_title Gene
container_volume 198
creator Clay, Fiona J
Ernst, Matthias R
Trueman, John W.H
Flegg, Robert
Dunn, Ashley R
description The Plk gene encodes a serine/threonine protein kinase believed to be important for the normal progression of mammalian cells through the cell cycle. In this paper, we report the genomic organization of the mouse Plk gene. The mouse Plk gene encompasses 16 kb of the mouse genome and is organised into 10 exons. Based on homology with the human PLK1 promoter region, the putative mouse promoter region includes a CCAAT motif but lacks the conventional TATA motif. The proposed promoter region contains consensus binding sites for several transcriptional regulators, including Sp1 and AP2. In addition to the active copy of Plk, Plk exists as a processed pseudogene. Using RFLP analysis, we have localized the active Plk gene to mouse Chromosome 7 and the processed pseudogene to mouse Chromosome 5. Southern blot analysis of DNA from a limited number of other mammalian species suggests that the duplication is confined to the mouse. Parsimony analysis suggests that the gene duplication leading to the mouse Plk pseudogene occurred after the rat–mouse split.
doi_str_mv 10.1016/S0378-1119(97)00335-1
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Animals
Base Sequence
Binding Sites
Cell Cycle Proteins
Chromosome Mapping
Exons
Gene structure, Parsimony analysis
Genes
Humans
Introns
Mice
Molecular Sequence Data
Multigene Family
Phylogeny
polo subfamily
Polo-Like Kinase 1
Promoter Regions, Genetic
Protein Kinases - genetics
Protein Serine-Threonine Kinases
Protein serine/threonine kinase
Proto-Oncogene Proteins
Pseudogenes
Rats
Sequence Homology, Nucleic Acid
title The mouse Plk gene: structural characterization, chromosomal localization and identification of a processed Plk pseudogene
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