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Virulence Mechanisms of Acinetobacter

  • Grziela Braun
Chapter
Part of the Infectious Agents and Pathogenesis book series (IAPA)

Introduction

Definition of Pathogenicity

Pathogenicity is the ability of a microorganism to cause disease. Virulence is the pathogenicity degree of a microorganism that can vary between the members of a same species of pathogens. The virulence is not usually attributed to just one factor, but depends on various parameters related to the microorganism, the host, and the interaction between both (Winn Jr. et al., 2005). An infection begins when the balance between bacterial pathogenicity and host resistance is not stable (Peterson, 1996).

Pathogenicity of Acinetobacter

Until a few years ago, Acinetobacter was considered to be a relatively low-grade pathogen. However, the occurrence of fulminant community-acquired Acinetobacter pneumonia indicates that this bacterium may sometimes be of high pathogenicity and cause invasive disease (Joly-Guillou, 2005).

The genus Acinetobacterincludes aerobic Gram-negative coccobacilli that emerged as important opportunistic pathogens due to...

Keywords

Quorum Sensing Acinetobacter Baumannii Human Bronchial Epithelial Cell Virulence Mechanism Acinetobacter Strain 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Grziela Braun
    • 1
  1. 1.Universidade Estadual do Oeste do ParanáCentro de Ciências Médicas e FarmacêuticasCascavelBrasil

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