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The Genera Photorhabdus and Xenorhabdus

  • SECTION 3.3 Gamma Subclass
  • Reference work entry
  • First Online:
The Prokaryotes

Introduction

The genera Photorhabdus and Xenorhabdus are members of the family Enterobacteriaceae that encompass the intestinal bacterial symbionts living in commensalism with entomopathogenic nematodes (EPNs) of the genera Heterorhabditis and Steinernema, respectively (Akhurst and Boemare, 1990; Forst et al., 1997). Most of them are pathogenic for insects when injected into the hemocoel. In addition, some nonsymbiotic strains of Photorhabdus have been identified as opportunistic pathogens for humans (Farmer et al., 1989; Peel et al., 1999). Various insect and vertebrate symbionts are members of the γ-subclass of Proteobacteria, which contains a wide spectrum of animal and human pathogens, such as members of the families Enterobacteriaceae, Legionellaceae, Pasteurellaceae, Vibrionaceae, and the genera Pseudomonas (sensu stricto) and Acinetobacter (Stackebrandt, 1999). Symbionts of EPNs are phylogenetic neighbors of an important group of endosymbionts of insects (the RDP tree of the...

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Authors
  1. Noel Boemare
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  2. Raymond Akhurst
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Editors and Affiliations

  1. Department of Microbiology University of Minnesota, University of Minnesota, 196, Minneapolis, MN, 55455-0312, USA

    Martin Dworkin

  2. Department of Microbiology and Immunology, Stanford University Medical School, 299 Campus Drive, Fairchild, Stanford, CA, 94305-5124, USA

    Stanley Falkow

  3. Department of Molecular Microbiology and Biotechnology, Tel Aviv University, 69978, Ramat-Aviv, Israel

    Eugene Rosenberg

  4. Department of Microbiology, Technical University Munich, 80290, Munich, Germany

    Karl-Heinz Schleifer

  5. DSMZ-German Collection of Microorganisms and Cell Cultures GmbH, Mascheroder Weg 1b, 38124, Braunschweig, Germany

    Erko Stackebrandt

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Boemare, N., Akhurst, R. (2006). The Genera Photorhabdus and Xenorhabdus. In: Dworkin, M., Falkow, S., Rosenberg, E., Schleifer, KH., Stackebrandt, E. (eds) The Prokaryotes. Springer, New York, NY. https://doi.org/10.1007/0-387-30746-X_16

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