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Related Concept Videos

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The cell cycle refers to the sequence of events occurring throughout a typical cell’s life. In eukaryotic cells, the somatic cell cycle has two stages: interphase and the mitotic phase. During interphase, the cell grows, performs its basic metabolic functions, copies its DNA, and prepares for mitotic cell division. Then, during mitosis and cytokinesis, the cell divides its nuclear and cytoplasmic materials, respectively. This generates two daughter cells that are identical to the original...
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Interphase00:54

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The cell cycle occurs over approximately 24 hours (in a typical human cell) and in two distinct stages: interphase, which includes three phases of the cell cycle (G1, S, and G2), and mitosis (M). During interphase, which takes up about 95 percent of the duration of the eukaryotic cell cycle, cells grow and replicate their DNA in preparation for mitosis.
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The cell cycle is a series of events leading to DNA duplication followed by the division of cell content to form two daughter cells. The cell cycle progresses in four stages—the cell increases in size (gap 1 or G1-phase), duplicates its DNA (synthesis or S-phase), prepares to divide (gap 2 or G2-phase), and divides (mitosis or M-phase).
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Synchronization of Caulobacter Crescentus for Investigation of the Bacterial Cell Cycle
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The Archaeal Cell Cycle.

Alice Cezanne1, Sherman Foo1, Yin-Wei Kuo1

  • 1Medical Research Council Laboratory of Molecular Biology, Cambridge, United Kingdom; email: acezanne@mrc-lmb.cam.ac.uk, sfoo@mrc-lmb.cam.ac.uk, ykuo@mrc-lmb.cam.ac.uk, bbaum@mrc-lmb.cam.ac.uk.

Annual Review of Cell and Developmental Biology
|May 15, 2024
PubMed
Summary
This summary is machine-generated.

Archaea exhibit diverse cell cycle control mechanisms, differing from bacteria and eukaryotes yet sharing common principles. Studying archaeal cell division offers insights into eukaryotic cell cycle evolution.

Keywords:
archaeacell cyclecell divisioneukaryogenesis

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Area of Science:

  • Microbiology
  • Cell Biology
  • Evolutionary Biology

Background:

  • Archaea, identified as a distinct domain of life, show profound differences from bacteria and eukaryotes.
  • Understanding archaeal cell biology is crucial for comprehending the diversity of life.

Purpose of the Study:

  • To review the diverse mechanisms of cell cycle control, DNA replication, and cell division in archaea.
  • To compare and contrast these mechanisms with those in bacteria and eukaryotes.
  • To explore the evolutionary implications of archaeal cell cycle processes for eukaryotes.

Main Methods:

  • Literature review of archaeal cell cycle control mechanisms.
  • Comparative analysis of molecular and cellular processes across life domains.
  • Exploration of evolutionary origins of eukaryotic cell cycle machinery.

Main Results:

  • Archaea employ diverse strategies for cell cycle progression, DNA replication, and cell division.
  • Significant differences exist between archaeal and bacterial/eukaryotic mechanisms.
  • Striking similarities highlight conserved and unique principles of cell cycle control.

Conclusions:

  • Archaea possess unique cell cycle control systems that offer insights into fundamental biological processes.
  • The study of archaea illuminates the evolutionary trajectory of the eukaryotic cell cycle.
  • Comparative genomics and cell biology of archaea are key to understanding life's fundamental mechanisms.