Video Experimental Relacionado
Updated: May 26, 2026

13:59
Studying Mitotic Checkpoint by Illustrating Dynamic Kinetochore Protein Behavior and Chromosome Motion in Living Drosophila Syncytial Embryos
Published on: June 14, 2012
cdc2 vincula el ciclo celular de Drosophila y las maquinarias de división asimétrica
Nature
|March 10, 2001
Resumen
El regulador del ciclo celular cdc2 es esencial para las divisiones asimétricas del progenitor neural en Drosophila. La atenuación de la función cdc2 interrumpe la localización de proteínas clave y la determinación del destino de las células hermanas.
Área de la Ciencia:
- Biología celular Biología celular.
- Biología del desarrollo Biología del desarrollo.
- Genética La genética.
Sus antecedentes:
- Las divisiones celulares asimétricas se basan en la segregación de los determinantes del cell-fate.
- En los progenitores neurales de Drosophila, las proteínas apicales como la orientación directa del huso y la localización determinante de Inscuteable.
Objetivo del estudio:
- Investigar el papel de los componentes del ciclo celular en las divisiones asimétricas de los progenitores neurales.
- Para determinar si los reguladores del ciclo celular están involucrados en la división celular asimétrica.
Principales métodos:
- Atenuando la función del regulador del ciclo celular cdc2 en Drosophila.
- Observando los efectos sobre la localización de componentes asimétricos y el destino de las células hermanas.
Principales resultados:
- Las divisiones asimétricas del progenitor neural requieren la función cdc2.
- La reducción de la función cdc2 afecta a la localización asimétrica de las proteínas apicales durante la mitosis.
- La función defectuosa de cdc2 conduce a un fracaso en la resolución de destinos celulares hermanos distintos.
Conclusiones:
- Se requieren complejos de ciclina tipo Cdc2/B para mantener la localización asimétrica del componente apical durante la mitosis.
- Cdc2 juega un papel crucial en las divisiones celulares asimétricas, vinculando la regulación del ciclo celular a la determinación del fato celular.
Videos de Conceptos Relacionados
The Cell Cycle Control System
The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
M-Cdk Drives Transition Into Mitosis
Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Meiosis II
Meiosis II entails cell division and segregation of the sister chromatids, resulting in the production of four unique haploid gametes. The steps for meiosis II are similar to mitosis, except that meiosis II occurs in haploid cells, whereas mitosis occurs in diploid cells.
The timing and cell division patterns of meiosis differ between males and females. In male meiosis, the centrosomes are part of the formation of the meiotic spindle. However, in oocytes, including that of humans, Drosophila,...
The timing and cell division patterns of meiosis differ between males and females. In male meiosis, the centrosomes are part of the formation of the meiotic spindle. However, in oocytes, including that of humans, Drosophila,...
The Cell Cycle Control System
The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
M-Cdk Drives Transition Into Mitosis
Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
The Cell Cycle Control System
The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and function at the cell...
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and function at the cell...

