Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>

Aberrant centrosome activities in mutants of <i>Dictyostelium discoideum</i> result in anomalies of mitotic spindles that affect the reliability of chromosome segregation. Genetic instabilities caused by these deficiencies are tolerated in multinucleate cells, which can be produced by el...

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Main Authors: Mary Ecke, Jana Prassler, Günther Gerisch
Format: Article
Language:English
Published: MDPI AG 2021-08-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/10/9/2240
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author Mary Ecke
Jana Prassler
Günther Gerisch
author_facet Mary Ecke
Jana Prassler
Günther Gerisch
author_sort Mary Ecke
collection DOAJ
description Aberrant centrosome activities in mutants of <i>Dictyostelium discoideum</i> result in anomalies of mitotic spindles that affect the reliability of chromosome segregation. Genetic instabilities caused by these deficiencies are tolerated in multinucleate cells, which can be produced by electric-pulse induced cell fusion as a source for aberrations in the mitotic apparatus of the mutant cells. Dual-color fluorescence labeling of the microtubule system and the chromosomes in live cells revealed the variability of spindle arrangements, of centrosome-nuclear interactions, and of chromosome segregation in the atypical mitoses observed.
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spelling doaj.art-7bf62f72878a40638a6c1cb474033fce2023-11-22T12:23:02ZengMDPI AGCells2073-44092021-08-01109224010.3390/cells10092240Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>Mary Ecke0Jana Prassler1Günther Gerisch2Cell Dynamics Group, Max Planck Institute of Biochemistry, am Klopferspitz 18, D-82152 Martinsried, GermanyCell Dynamics Group, Max Planck Institute of Biochemistry, am Klopferspitz 18, D-82152 Martinsried, GermanyCell Dynamics Group, Max Planck Institute of Biochemistry, am Klopferspitz 18, D-82152 Martinsried, GermanyAberrant centrosome activities in mutants of <i>Dictyostelium discoideum</i> result in anomalies of mitotic spindles that affect the reliability of chromosome segregation. Genetic instabilities caused by these deficiencies are tolerated in multinucleate cells, which can be produced by electric-pulse induced cell fusion as a source for aberrations in the mitotic apparatus of the mutant cells. Dual-color fluorescence labeling of the microtubule system and the chromosomes in live cells revealed the variability of spindle arrangements, of centrosome-nuclear interactions, and of chromosome segregation in the atypical mitoses observed.https://www.mdpi.com/2073-4409/10/9/2240centrosomeschromosome segregation<i>Dictyostelium</i>genetic instabilitymitosismultinucleate cells
spellingShingle Mary Ecke
Jana Prassler
Günther Gerisch
Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
Cells
centrosomes
chromosome segregation
<i>Dictyostelium</i>
genetic instability
mitosis
multinucleate cells
title Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
title_full Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
title_fullStr Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
title_full_unstemmed Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
title_short Genetic Instability Due to Spindle Anomalies Visualized in Mutants of <i>Dictyostelium</i>
title_sort genetic instability due to spindle anomalies visualized in mutants of i dictyostelium i
topic centrosomes
chromosome segregation
<i>Dictyostelium</i>
genetic instability
mitosis
multinucleate cells
url https://www.mdpi.com/2073-4409/10/9/2240
work_keys_str_mv AT maryecke geneticinstabilityduetospindleanomaliesvisualizedinmutantsofidictyosteliumi
AT janaprassler geneticinstabilityduetospindleanomaliesvisualizedinmutantsofidictyosteliumi
AT gunthergerisch geneticinstabilityduetospindleanomaliesvisualizedinmutantsofidictyosteliumi