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Centromeres [PDF]

open access: yesCurrent Biology, 2016
Centromeres, chromosomal regions that become physically linked to the spindle during cell division, ensure equal division of genetic material between daughter cells. They are ubiquitous and essential in eukaryotic life. In this primer, we ask the questions 'What defines a functional centromere?' and 'What do all centromeres have in common?' To address ...
Lisa E, Kursel, Harmit S, Malik
openaire   +2 more sources

Centromere Repositioning [PDF]

open access: yesGenome Research, 1999
Primate pericentromeric regions recently have been shown to exhibit extraordinary evolutionary plasticity. In this paper we report an additional peculiar feature of these regions that we discovered while analyzing, by FISH, the evolutionary conservation of primate phylogenetic chromosome IX.
Montefalcone G   +3 more
openaire   +2 more sources

A Taz1- and Microtubule-Dependent Regulatory Relationship between Telomere and Centromere Positions in Bouquet Formation Secures Proper Meiotic Divisions. [PDF]

open access: yesPLoS Genetics, 2016
During meiotic prophase, telomeres cluster, forming the bouquet chromosome arrangement, and facilitate homologous chromosome pairing. In fission yeast, bouquet formation requires switching of telomere and centromere positions.
Kazuhiro Katsumata   +8 more
doaj   +1 more source

Holocentromeres can consist of merely a few megabase-sized satellite arrays

open access: yesNature Communications, 2023
The centromere is the chromosome region where microtubules attach during cell division. In contrast to monocentric chromosomes with one centromere, holocentric species usually distribute hundreds of centromere units along the entire chromatid.
Yi-Tzu Kuo   +17 more
doaj   +1 more source

The Birth of the Centromere [PDF]

open access: yesCell Cycle, 2007
The centromere is the region of the eukaryotic chromosome that determines kinetochore formation and sister chromatid cohesion. Centromeres interact with spindle microtubules to ensure chromatid segregation during mitosis and homologous chromosome segregation during meiosis I.
Esteban Montejo de Garcíni   +3 more
openaire   +2 more sources

Dynamic epigenetic states of maize centromeres

open access: yesFrontiers in Plant Science, 2015
The centromere is a specialized chromosomal region identified as the major constriction, upon which the kinetochore complex is formed, ensuring accurate chromosome orientation and segregation during cell division.
Yalin eLiu   +5 more
doaj   +1 more source

The inner centromere is a biomolecular condensate scaffolded by the chromosomal passenger complex. [PDF]

open access: yes, 2019
The inner centromere is a region on every mitotic chromosome that enables specific biochemical reactions that underlie properties, such as the maintenance of cohesion, the regulation of kinetochores and the assembly of specialized chromatin, that can ...
A Chakraborty   +57 more
core   +2 more sources

CENP-A Is Dispensable for Mitotic Centromere Function after Initial Centromere/Kinetochore Assembly [PDF]

open access: yes, 2016
Human centromeres are defined by chromatin containing the histone H3 variant CENP-A assembled onto repetitive alphoid DNA sequences. By inducing rapid, complete degradation of endogenous CENP-A, we now demonstrate that once the first steps of centromere ...
Barra V.   +8 more
core   +1 more source

De Novo Centromere Formation and Centromeric Sequence Expansion in Wheat and its Wide Hybrids. [PDF]

open access: yesPLoS Genetics, 2016
Centromeres typically contain tandem repeat sequences, but centromere function does not necessarily depend on these sequences. We identified functional centromeres with significant quantitative changes in the centromeric retrotransposons of wheat (CRW ...
Xiang Guo   +7 more
doaj   +1 more source

Recent insights into mechanisms preventing ectopic centromere formation

open access: yesOpen Biology, 2021
The centromere is a specialized chromosomal structure essential for chromosome segregation. Centromere dysfunction leads to chromosome segregation errors and genome instability.
Qianhua Dong   +3 more
doaj   +1 more source

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