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The centrosome and parthenogenesis
1999Publisher Summary This chapter discusses the functional description of the centrosome as well as two main aspects of centrosome reproduction and the parthenogenetic activity of the centrosome: (1) the molecular mechanisms underlying centrosome biogenesis itself and (2) the coordination between the nuclear cycle and the centrosome cycle.
T, Küntziger, M, Bornens
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Biology of the Cell, 1999
The centrosome functions as the major microtubule organizing center (MTOC) of the cell and as such it determines the number, polarity, and organization of interphase and mitotic microtubules. Cytoplasmic organization, cell polarity and the equal partition of chromosomes into daughter cells at the time of cell division are all dependent on the normal ...
J L, Salisbury +3 more
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The centrosome functions as the major microtubule organizing center (MTOC) of the cell and as such it determines the number, polarity, and organization of interphase and mitotic microtubules. Cytoplasmic organization, cell polarity and the equal partition of chromosomes into daughter cells at the time of cell division are all dependent on the normal ...
J L, Salisbury +3 more
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2006
Centrosomes are dynamic organelles involved in many aspects of cell function and growth. Centrosomes act as microtubule organizing centers, and provide a site for concerted regulation of cell cycle progression. While there is diversity in microtubule organizing center structure among eukaryotes, many centrosome components, such as centrin, are ...
Christopher P, Mattison, Mark, Winey
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Centrosomes are dynamic organelles involved in many aspects of cell function and growth. Centrosomes act as microtubule organizing centers, and provide a site for concerted regulation of cell cycle progression. While there is diversity in microtubule organizing center structure among eukaryotes, many centrosome components, such as centrin, are ...
Christopher P, Mattison, Mark, Winey
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1999
In the past, centrosome maturation has been described as the change in microtubule nucleation potential that occurs as cells pass through specific phases of the cell cycle. It is suggested that the idea of centrosome maturation be expanded to include gain of functions that are not necessarily related to microtubule nucleation.
R E, Palazzo +4 more
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In the past, centrosome maturation has been described as the change in microtubule nucleation potential that occurs as cells pass through specific phases of the cell cycle. It is suggested that the idea of centrosome maturation be expanded to include gain of functions that are not necessarily related to microtubule nucleation.
R E, Palazzo +4 more
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BioEssays, 2002
AbstractAlthough the centrosome was first described over 100 years ago, we still know relatively little of the molecular mechanisms responsible for its functions. Recently, members of a novel family of centrosomal proteins have been identified in a wide variety of organisms.
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AbstractAlthough the centrosome was first described over 100 years ago, we still know relatively little of the molecular mechanisms responsible for its functions. Recently, members of a novel family of centrosomal proteins have been identified in a wide variety of organisms.
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Centrosome competition: A possibility?
Experimental Cell Research, 1990A recent theory on the evolution of sexuality, has hypothesized heritable variation in the functional properties of centrosomes, leading to competition for the organization of the mitotic spindle when different centrosomes enter a common cytoplasm.
MARIN G., ARGENTON, FRANCESCO
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Centrosomes and parthenogenesis
2001Publisher Summary This chapter describes the parthenogenetic assay and reviews the results concerning the capacity of centrosomes isolated from different cell types in different species to induce frog egg cleavage. The chapter discusses the potential of current in vitro systems to identify important molecular events of the pathway and also ...
F, Tournier, M, Bornens
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Centrosome instability: when good centrosomes go bad
Cellular and Molecular Life Sciences, 2021The centrosome is a tiny cytoplasmic organelle that organizes and constructs massive molecular machines to coordinate diverse cellular processes. Due to its many roles during both interphase and mitosis, maintaining centrosome homeostasis is essential to normal health and development. Centrosome instability, divergence from normal centrosome number and
John M. Ryniawec, Gregory C. Rogers
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Trends in Cell Biology, 1999
The centriole is a cylinder of nine triplet microtubules found at the core of the centrosome. The location of centrioles within the centrosome has always seemed to suggest a role in centrosome function, but proof of this has remained elusive. In part, this is due to the lack of convenient methods to remove centrioles specifically.
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The centriole is a cylinder of nine triplet microtubules found at the core of the centrosome. The location of centrioles within the centrosome has always seemed to suggest a role in centrosome function, but proof of this has remained elusive. In part, this is due to the lack of convenient methods to remove centrioles specifically.
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Centrosome number is controlled by a centrosome-intrinsic block to reduplication
Nature Cell Biology, 2003The centrosome duplicates once in S phase. To determine whether there is a block in centrosome reduplication, we used a cell fusion assay to compare the duplication potential of unduplicated G1 centrosomes and recently duplicated G2 centrosomes. By fusing cells in different cell cycle stages, we found that G2 centrosomes were unable to reduplicate in a
Connie, Wong, Tim, Stearns
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