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Rise of the microbes

Michael J Mahan1, Jessica Z Kubicek-Sutherland, Douglas M Heithoff

  • 1Department of Molecular, Cellular and Developmental Biology, University of California, Santa Barbara, Santa Barbara, CA, USA. mahan@lifesci.ucsb.edu

Virulence
|January 22, 2013
PubMed

Insights

Human activities accelerate the emergence of dangerous infectious diseases. Understanding pathogen evolution is crucial for control, as nature

Area of Science:

  • Microbiology
  • Epidemiology
  • Evolutionary Biology

Background:

  • Infectious diseases pose a significant global threat.
  • Recent outbreaks highlight a changing landscape of pathogen emergence.
  • Human activities increasingly influence the evolution and spread of novel pathogens.

Purpose of the Study:

  • To analyze the factors driving the emergence of potent pathogens.
  • To understand the genetic, epidemiological, and evolutionary aspects of emergent diseases.
  • To inform the development of comprehensive control strategies for infectious diseases.

Main Methods:

  • Review of recent infectious disease outbreaks (e.g., influenza, cholera, E. coli, Salmonella).
  • Analysis of the contributing factors and origins of these outbreaks.
  • Examination of pathogen genetics, epidemiology, and evolutionary dynamics.

Main Results:

  • Human activities have demonstrably hastened the emergence of more potent pathogens.
  • Recent outbreaks illustrate the complex interplay between human actions and natural microbial evolution.
  • Limited pre-existing human immunity to novel pathogens exacerbates disease impact.

Conclusions:

  • A thorough understanding of pathogen evolution is essential for effective infectious disease control.
  • Future control plans must integrate genetic, epidemiological, and evolutionary insights.
  • The continuous genetic variation in microbial populations presents ongoing challenges for public health.
Keywords:
SalmonellaShiga toxin-producing E. colicholeraemerging pathogenshypervirulenceinfectious disease outbreaksinfluenzameningitismicrobial pathogenesisvaccines

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