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Coxiella burnetii Secretion Systems

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Book cover Coxiella burnetii: Recent Advances and New Perspectives in Research of the Q Fever Bacterium

Part of the book series: Advances in Experimental Medicine and Biology ((volume 984))

Abstract

The ability of bacteria to transport proteins across their membranes is integral for interaction with their environment. Distinct families of secretion systems mediate bacterial protein secretion. The human pathogen, Coxiella burnetii encodes components of the Sec-dependent secretion pathway, an export system used for type IV pilus assembly, and a complete type IV secretion system. The type IVB secretion system in C. burnetii is functionally analogous to the Legionella pneumophila Dot/Icm secretion system. Both L. pneumophila and C. burnetii require the Dot/Icm apparatus for intracellular replication. The Dot/Icm secretion system facilitates the translocation of many bacterial effector proteins across the bacterial and vacuole membranes to enter the host cytoplasm where the effector proteins mediate their specific activities to manipulate a variety of host cell processes. Several studies have identified cohorts of C. burnetii Dot/Icm effector proteins that are predicted to be involved in modulation of host cell functions. This chapter focuses specifically on these secretion systems and the role they may play during C. burnetii replication in eukaryotic host cells.

The first two authors contributed equally.

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Authors and Affiliations

  1. Section of Microbial Pathogenesis, Yale University School of Medicine, 295 Congress Avenue, New Haven, 06536, CT, USA

    Justin A. McDonough, Hayley J. Newton & Craig R. Roy

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  1. Justin A. McDonough
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  2. Hayley J. Newton
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  3. Craig R. Roy
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Correspondence to Craig R. Roy .

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Editors and Affiliations

  1. Institute of Virology, Dept. of Rickettsiology, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava, 845 05, Slovakia

    Rudolf Toman

  2. Rocky Mountain Laboratories, Coxiella Pathogenesis Section, NIH/NIAID, South Fourth Street 903, Hamilton, 59840, Montana, USA

    Robert A. Heinzen

  3. , Microbial and Molecular Pathogenesis, College of Medicine, Texas A&M, Joe H. Reynolds Medical Building, College Station 407, College Station, 77843-1114, Texas, USA

    James E. Samuel

  4. Institut Fédératif de Recherche 48, Les Maladies Infect Transmissibles, CNRS-IRD UMR 6236, Bd Jean Moulin 27, Marseille, Cedex 05, 13385, France

    Jean-Louis Mege

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McDonough, J.A., Newton, H.J., Roy, C.R. (2012). Coxiella burnetii Secretion Systems. In: Toman, R., Heinzen, R., Samuel, J., Mege, JL. (eds) Coxiella burnetii: Recent Advances and New Perspectives in Research of the Q Fever Bacterium. Advances in Experimental Medicine and Biology, vol 984. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4315-1_9

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