Overexpression phenotypes of Plk1 and Ndrg2 in Schizosaccharomyces pombe: Fission yeast system for mammalian gene study
- Authors
- Jang, YJ; Kil, YS; Ahn, JH; Ji, JH; Lim, JS; Won, M; Yoo, HS
- Issue Date
- Jan-2005
- Publisher
- Trans Tech Publications Ltd.
- Citation
- Key Engineering Materials, v.277-279, no.I, pp 1 - 6
- Pages
- 6
- Journal Title
- Key Engineering Materials
- Volume
- 277-279
- Number
- I
- Start Page
- 1
- End Page
- 6
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/148830
- DOI
- 10.4028/0-87849-958-x.1
- ISSN
- 1013-9826
1662-9795
- Abstract
- The fission yeast, Schizosaccharomyces pombe is a single-celled free-living fungus that shares many features with cells of more complicated eukaryotes. Many of the genes required for the cell-cycle control, proteolysis, protein modification, and RNA splicing are highly conserved with those of higher eukaryotes. Moreover, fission yeast has the merit of genetics and its genetic system is already well characterized. As such, the current study evaluated the use of a fission yeast system as a tool for the functional study of mammalian genes and attempted to set up an assay system for novel genes. Since the phenotypes of a deletion mutant and the overexpression of a gene are generally analyzed for a functional study of specific genes in yeast, the present study used overexpression phenotypes to study the functions of mammalian genes. Therefore, based on using a thiamine-repressive promoter, two mammalian genes were expressed in fission yeast, and their overexpressed phenotypes compared with those in mammalian cells. The phenotypes resulting from overexpression were analyzed using a FACS, which analyzes the DNA contents, and a microscope. One of the selected genes was the mammalian Polo-like kinase 1 (Plk1), which is activated and plays a role in the mitotic phase of the cell division cycle. The overexpression of vario
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