論文 - 詳細
| RRC ID | 29064 |
|---|---|
| 著者 | Lakshmikanth GS, Warrick HM, Spudich JA. |
| タイトル | A mitotic kinesin-like protein required for normal karyokinesis, myosin localization to the furrow, and cytokinesis in Dictyostelium. |
| ジャーナル | Proc Natl Acad Sci U S A |
| Abstract |
Dictyostelium mitotic kinesin Kif12 is required for cytokinesis. Myosin II localization to the cleavage furrow is severely depressed in Kif12-null (Deltakif12) cells, which accounts in part for the cytokinesis failure. Myosin II-null cells, however, undergo mitosis-coupled cytokinesis when adhering to a surface, whereas the Deltakif12 cells cannot. During mitosis, the rate of change of internuclear separation in Deltakif12 cells is reduced compared with wild-type cells, indicating multiple roles of this molecular motor during mitosis and cytokinesis. GFP-Kif12, which rescues wild-type behavior when expressed in the Deltakif12 strain, is concentrated in the nucleus in interphase cells, translocates to the cytoplasm at the onset of mitosis, appears in the centrosomes and spindle, and later is concentrated in the spindle midbody. Given these results, we hypothesize a mechanism for myosin II translocation to the furrow to set up the contractile ring. |
| 巻・号 | 101(47) |
| ページ | 16519-24 |
| 公開日 | 2004-11-23 |
| DOI | 10.1073/pnas.0407304101 |
| PII | 0407304101 |
| PMID | 15546981 |
| PMC | PMC528903 |
| MeSH | Animals Cell Cycle Cell Nucleus Division Cytokinesis Dictyostelium / cytology* Dictyostelium / genetics Dictyostelium / metabolism* Gene Targeting Genes, Protozoan Genetic Complementation Test Green Fluorescent Proteins / genetics Green Fluorescent Proteins / metabolism Kinesins / genetics Kinesins / metabolism Mitosis Models, Biological Myosins / genetics Myosins / metabolism Protozoan Proteins / genetics Protozoan Proteins / metabolism Recombinant Fusion Proteins / genetics Recombinant Fusion Proteins / metabolism |
| IF | 9.412 |
| 引用数 | 19 |
| WOS 分野 | CELL BIOLOGY |
| リソース情報 | |
| 細胞性粘菌 | S00413 |