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Bacterial morphology: why have different shapes?

Kevin D Young1

  • 1Department of Microbiology and Immunology, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202-9037, USA. kyoung@medicine.nodak.edu

Current Opinion in Microbiology
|November 6, 2007
PubMed
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Bacterial shape, or morphology, is not just for identification but a crucial survival tool. Different bacterial shapes provide advantages for nutrient acquisition, movement, and predator evasion, demonstrating evolutionary significance.

Area of Science:

  • Microbiology
  • Evolutionary Biology
  • Cell Biology

Background:

  • Bacterial shapes are commonly used for classification.
  • The evolutionary pressures driving bacterial morphology are less understood.

Purpose of the Study:

  • To explore the functional significance of bacterial shapes.
  • To highlight the adaptive value of microbial morphology in diverse environments.

Main Methods:

  • Review of recent research on bacterial morphology and evolution.
  • Analysis of survival advantages conferred by specific shapes.

Main Results:

  • Bacterial morphology is an adaptive trait with evolutionary history.
  • Specific shapes enhance nutrient access, motility, and predator evasion.

Related Experiment Videos

  • Microbial shape can be plastic, adapting to environmental conditions.

    • Conclusions:

    • Bacterial morphology is a key factor in microbial survival and adaptation.
    • Understanding bacterial shape provides insights into microbial ecology and evolution.
    • Morphology is a dynamic trait that microorganisms utilize to meet environmental challenges.