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The distribution of alpha-kleisin during meiosis in the holocentromeric plant Luzula elegans
Leibniz Institute Plant Genet and Crop Plant Research IPK, Germany.
Leibniz Institute Plant Genet and Crop Plant Research IPK, Germany.
Linköping University, Department of Clinical and Experimental Medicine, Division of Cell Biology. Linköping University, Faculty of Medicine and Health Sciences. Helmholtz Centre Munich, Germany.
University of Halle Wittenberg, Germany.
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2016 (English)In: Chromosome Research, ISSN 0967-3849, E-ISSN 1573-6849, Vol. 24, no 3, 393-405 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
SPRINGER , 2016. Vol. 24, no 3, 393-405 p.
Keyword [en]
Holocentric chromosome; alpha-kleisin; Synaptonemal complex; Luzula elegans; CENH3
National Category
Biochemistry and Molecular Biology
URN: urn:nbn:se:liu:diva-131163DOI: 10.1007/s10577-016-9529-5ISI: 000380789900008PubMedID: 27294972OAI: diva2:972245

Funding Agencies|China CSC scholarship; Deutsche Forschungsgemeinschaft [SPP 1384, HO 1779/17-1]; IPK Gatersleben

Available from: 2016-09-20 Created: 2016-09-12 Last updated: 2016-09-20

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Martis, Mihaela-Maria
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Division of Cell BiologyFaculty of Medicine and Health Sciences
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