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Seminars in Cell & Developmental Biology, 2021
Anaphase A is the motion of recently separated chromosomes to the spindle pole they face. It is accompanied by the shortening of kinetochore-attached microtubules. The requisite tubulin depolymerization may occur at kinetochores, at poles, or both, depending on the species and/or the time in mitosis.
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Anaphase A is the motion of recently separated chromosomes to the spindle pole they face. It is accompanied by the shortening of kinetochore-attached microtubules. The requisite tubulin depolymerization may occur at kinetochores, at poles, or both, depending on the species and/or the time in mitosis.
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Sharpening the anaphase switch
Biochemical Society Transactions, 2015The segregation of sister chromatids during mitosis is one of the most easily visualized, yet most remarkable, events during the life cycle of a cell. The accuracy of this process is essential to maintain ploidy during cell duplication. Over the past 20 years, substantial progress has been made in identifying components of both the kinetochore and the ...
John C, Meadows, Jonathan B A, Millar
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Rephrasing anaphase: separase FEARs shugoshin
Chromosoma, 2005Cleavage of the ring-like cohesin complex by separase triggers segregation of sister chromatids in anaphase. This simplistic model has recently been extended by exciting discoveries on three levels: regulation of anaphase by posttranslational modifications and the cohesin protector shugoshin; non-proteolytic roles of separase; and cohesin-independent ...
Stemmann, Olaf +2 more
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Nocodazole pretreatment in anaphase selectively reduces anaphase B in PtK1 cells
Cell Motility, 1983AbstractDuring early anaphase PtK1 cells were briefly treated with the rapidly reversible microtubule (MT) poison nocodazole. This treatment abruptly stopped chromosome motion and effected a large decrease in spindle birefringence. On removal of the drug, chromosome to pole motion (anaphase A) returned, though at a lesser rate but not extent than ...
J A, Snyder, S I, Vogt, S L, McLelland
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Chromosome errors at mitotic anaphase
Genome, 1992Errors in mitotic divisions were assayed using various satellite DNAs as probes, hybridized in situ, to show that they included nondisjunction, chromosome and chromatid lagging, chromatid malsegregation, and monopolar segregations. The total rates of error were 1.7, 1.1, and 0.6% for chromosomes X, 17, and 18, respectively. Lagging was the most common
J H, Ford, A T, Correll
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Trends in Biochemical Sciences, 2005
Anaphase is the stage of the cell cycle in which duplicated chromosomes separate and move towards opposite poles of the cell. Although its chromosome movements have always been viewed as majestic, until recently anaphase lacked obvious landmarks of regulation.
Armand, de Gramont, Orna, Cohen-Fix
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Anaphase is the stage of the cell cycle in which duplicated chromosomes separate and move towards opposite poles of the cell. Although its chromosome movements have always been viewed as majestic, until recently anaphase lacked obvious landmarks of regulation.
Armand, de Gramont, Orna, Cohen-Fix
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Cell, 1982
Permeabilized PtK1 cells continue to undergo anaphase chromosome movements provided MgATP is included in the lysis medium. However, chromosome-to-pole movement (anaphase A) and spindle elongation (anaphase B) differ with respect to nucleotide requirements.
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Permeabilized PtK1 cells continue to undergo anaphase chromosome movements provided MgATP is included in the lysis medium. However, chromosome-to-pole movement (anaphase A) and spindle elongation (anaphase B) differ with respect to nucleotide requirements.
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The mechanism of anaphase spindle elongation
BioEssays, 1989AbstractAt anaphase chromosomes move to the spindle poles (anaphase A) and the spindle poles move apart (anaphase B). In vitro studies using isolated diatom spindles demonstrate that the primary mechano‐chemical event responsible for spindle elongation is the sliding apart of half‐spindle microtubules.
W Z, Cande, C J, Hogan
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