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Review
. 2021 Jun;19(6):375-390.
doi: 10.1038/s41579-020-00507-2. Epub 2021 Feb 9.

Cells within cells: Rickettsiales and the obligate intracellular bacterial lifestyle

Jeanne Salje  1   2   3
Affiliations
Review

Cells within cells: Rickettsiales and the obligate intracellular bacterial lifestyle

Jeanne Salje. Nat Rev Microbiol. 2021 Jun.

Abstract

The Rickettsiales are a group of obligate intracellular vector-borne Gram-negative bacteria that include many organisms of clinical and agricultural importance, including Anaplasma spp., Ehrlichia chaffeensis, Wolbachia, Rickettsia spp. and Orientia tsutsugamushi. This Review provides an overview of the current state of knowledge of the biology of these bacteria and their interactions with host cells, with a focus on pathogenic species or those that are otherwise important for human health. This includes a description of rickettsial genomics, bacterial cell biology, the intracellular lifestyles of Rickettsiales and the mechanisms by which they induce and evade the innate immune response.

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