The distribution of [alpha]-kleisin during meiosis in the holocentromeric plant Luzula elegans
Holocentric chromosomes occur in a number of independent eukaryotic lineages, and they form holokinetic kinetochores along the entire poleward chromatid surfaces. Due to this alternative chromosome structure, Luzula elegans sister chromatids segregate already in anaphase I followed by the segregatio...
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| Veröffentlicht in: | Chromosome research 2016-09, Vol.24 (3), p.393 |
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| creator | Ma, Wei Schubert, Veit Martis, Mihaela Maria Hause, Gerd Liu, Zhaojun Shen, Yi Conrad, Udo Shi, Wenqing Scholz, Uwe Taudien, Stefan Cheng, Zhukuan Houben, Andreas |
| description | Holocentric chromosomes occur in a number of independent eukaryotic lineages, and they form holokinetic kinetochores along the entire poleward chromatid surfaces. Due to this alternative chromosome structure, Luzula elegans sister chromatids segregate already in anaphase I followed by the segregation of the homologues in anaphase II. However, not yet known is the localization and dynamics of cohesin and the structure of the synaptonemal complex (SC) during meiosis. We show here that the [alpha]-kleisin subunit of cohesin localizes at the centromeres of both mitotic and meiotic metaphase chromosomes and that it, thus, may contribute to assemble the centromere in L. elegans. This localization and the formation of a tripartite SC structure indicate that the prophase I behaviour of L. elegans is similar as in monocentric species. |
| doi_str_mv | 10.1007/s10577-016-9529-5 |
| format | Article |
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| title | The distribution of [alpha]-kleisin during meiosis in the holocentromeric plant Luzula elegans |
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