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Overview of Cell Death01:30

Overview of Cell Death

Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the 20th century...
Autophagic Cell Death01:18

Autophagic Cell Death

Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and pro-apoptotic...
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...

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Mycelial differentiation and spore formation by Streptomyces brasiliensis in submerged culture.

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Related Experiment Video

Updated: Jul 3, 2026

Monitoring Changes in Membrane Polarity, Membrane Integrity, and Intracellular Ion Concentrations in Streptococcus pneumoniae Using Fluorescent Dyes
11:17

Monitoring Changes in Membrane Polarity, Membrane Integrity, and Intracellular Ion Concentrations in Streptococcus pneumoniae Using Fluorescent Dyes

Published on: February 17, 2014

Streptomycetes: a new model to study cell death.

E M Miguélez1, C Hardisson, M B Manzanal

  • 1Laboratory of Microbiology, Faculty of Medicine, University of Oviedo, Spain. elisa@sauron.quimica.uniovi.es

International Microbiology : the Official Journal of the Spanish Society for Microbiology
|December 8, 2000
PubMed
Summary
This summary is machine-generated.

Streptomycetes colonies act like multicellular organisms, balancing cell growth and death for development. This review explores the critical role of programmed cell death in streptomycete colony biology.

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Last Updated: Jul 3, 2026

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Area of Science:

  • Microbiology
  • Cell Biology
  • Developmental Biology

Background:

  • Streptomycetes colonies are complex multicellular structures with differentiated cell types.
  • Colony development relies on a balance between cell proliferation and cell death.
  • Understanding cell death mechanisms is key to understanding streptomycete development.

Purpose of the Study:

  • To review the current knowledge on cell death in streptomycetes.
  • To highlight the importance of cell death in streptomycete colony development.

Main Methods:

  • Literature review of existing research on streptomycete cell death.
  • Analysis of studies on cell differentiation and spatial organization in streptomycete colonies.

Main Results:

  • Cell death in streptomycetes is a regulated process crucial for colony architecture.
  • Differentiation and spatial arrangement of cell types are linked to cell death pathways.
  • Cell death contributes to nutrient recycling and developmental transitions.

Conclusions:

  • Programmed cell death is integral to the multicellular lifestyle of streptomycetes.
  • Further research into cell death mechanisms will elucidate streptomycete development and multicellularity.