Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Pseudomonas aeruginosa Biofilm, a Programmed Bacterial Life for Fitness

  • Lee, Keehoon (Department of Microbiology and Immunology, Yonsei University College of Medicine) ;
  • Yoon, Sang Sun (Department of Microbiology and Immunology, Yonsei University College of Medicine)
  • Received : 2016.11.21
  • Accepted : 2017.03.17
  • Published : 2017.06.28
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Abstract

A biofilm is a community of microbes that typically inhabit on surfaces and are encased in an extracellular matrix. Biofilms display very dissimilar characteristics to their planktonic counterparts. Biofilms are ubiquitous in the environment and influence our lives tremendously in both positive and negative ways. Pseudomonas aeruginosa is a bacterium known to produce robust biofilms. P. aeruginosa biofilms cause severe problems in immunocompromised patients, including those with cystic fibrosis or wound infection. Moreover, the unique biofilm properties further complicate the eradication of the biofilm infection, leading to the development of chronic infections. In this review, we discuss the history of biofilm research and general characteristics of bacterial biofilms. Then, distinct features pertaining to each stage of P. aeruginosa biofilm development are highlighted. Furthermore, infections caused by biofilms on their own or in association with other bacterial species (i.e., multispecies biofilms) are discussed in detail.

Keywords

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