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A cell during anaphase. Microtubules are visible in green. Stages of late M phase in a vertebrate cell. Anaphase (from Ancient Greek ἀνα-() 'back, backward' and φάσις (phásis) 'appearance') is the stage of mitosis after the process of metaphase, when replicated chromosomes are split and the newly-copied chromosomes (daughter chromatids) are moved to opposite poles of the cell.
The cell division cycle protein 20 homolog is an essential regulator of cell division that is encoded by the CDC20 gene [5] [6] in humans. To the best of current knowledge its most important function is to activate the anaphase promoting complex (APC/C), a large 11-13 subunit complex that initiates chromatid separation and entrance into anaphase .
Cell division in prokaryotes (binary fission) and eukaryotes (mitosis and meiosis). The thick lines are chromosomes, and the thin blue lines are fibers pulling on the chromosomes and pushing the ends of the cell apart. The cell cycle in eukaryotes: I = Interphase, M = Mitosis, G 0 = Gap 0, G 1 = Gap 1, G 2 = Gap 2, S = Synthesis, G 3 = Gap 3.
Anaphase-promoting complex subunit 1 is an enzyme that in humans is encoded by the ANAPC1 gene. [ 5 ] [ 6 ] ANAPC1 is one of at least ten subunits of the anaphase-promoting complex (APC), which functions at the metaphase -to- anaphase transition of the cell cycle and is regulated by spindle checkpoint proteins.
Anaphase-promoting complex subunit 11 is an enzyme that in humans is encoded by the ANAPC11 gene. [5] [6] Interactions. ANAPC11 has been shown to interact with ANAPC2 ...
Anaphase-promoting complex (also called the cyclosome or APC/C) is an E3 ubiquitin ligase that marks target cell cycle proteins for degradation by the 26S proteasome. The APC/C is a large complex of 11–13 subunit proteins , including a cullin ( Apc2 ) and RING ( Apc11 ) subunit much like SCF .
The multiple centrosomes segregate to opposite ends of the cell and the spindles attach to the chromosomes haphazardly. When anaphase occurs in these cells, the chromosomes are separated abnormally and results in aneuploidy of both daughter cells. [2] This can lead to loss of cell viability [3] and chromosomal instability. [4]
Securin is a protein involved in control of the metaphase-anaphase transition and anaphase onset. Following bi-orientation of chromosome pairs and inactivation of the spindle checkpoint system, the underlying regulatory system, which includes securin, produces an abrupt stimulus that induces highly synchronous chromosome separation in anaphase.