Genomic Structure and Chromosomal Localization of Mouse Cyclin G1 Gene |
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Authors: | Shinya H. Kimura Tatsuki R. Kataoka Yuichi Endo Hiroshi Nojima |
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Affiliation: | aDepartment of Molecular Genetics, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita City, Osaka, 565, Japan;bDepartment of Biochemistry, Fukushima Medical College, 1-Hikarigaoka, Fukushima City, Fukushima, 960-12, Japan |
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Abstract: | Mouse genomic DNA harboring the full coding sequence of cyclin G1 was cloned and analyzed. The locations of five coding exons and the intron–exon boundary sequences were found to be conserved between the mouse and the human genes. Two putative binding sites for thep53tumor suppressor gene product were found around the first exon: one was located in the 5′ regulatory region, and the other was in the first intron. The mouse cyclin G1 gene was mapped to bands A5 to B1 of chromosomes 11 (11A5–B1) by FISH using genomic DNA clone as a biotinylated probe. The location of mouse cyclin G1 is syntenic to that of its human homologue, which we previously mapped to 5q32–q34 of chromosome 5. An additional faint signal was detected on chromosome 4 (4B1–C2), probably indicating the presence of a cyclin G1-related gene or pseudogene in the mouse genome. |
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