from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A taxonomic genus within the family Rickettsiaceae — the rickettsia bacteria.


Sorry, no etymologies found.


  • As well as irritations from infestations with body lice or the closely-related human head lice, the body louse may carry harmful bacteria such as Rickettsia prowazekii that cause epidemic typhus and are classified as a category B bioterrorism agent.

    EurekAlert! - Breaking News

  • Among the fully sequenced species is Rickettsia prowazekii, a bacterium that causes typhus.

    Parasite Rex

  • The genome of Rickettsia prowazekii and some thoughts on the origin of mitochondria and hydrogenosomes.

    Parasite Rex

  • A primordial free-living bacteria must have been the ancestor of both Rickettsia and mitochondria perhaps 3 billion years ago.

    Parasite Rex

  • Rickettsia is endemic in rodent hosts, including mice and rats, and spreads to humans through mites, fleas and body lice.

    7 Worst Pandemics In History | Impact Lab

  • Ticks act as the vectors for such arthropod-borne maladies as Lyme disease (Borrelia burgdorferi), Rocky Mountain spotted fever (Rickettsia rickettsii), Tularemia (Francisella tularensis), and human granulocytic ehrlichiosis (Ehrlichia chaffeensis).


  • Ones like anthrax, botulism, brucellosis, plague, Rickettsia, tularemia, Avian influenza, H5N1 (the recent strain reported and called the most dangerous), and valley fever plus whatever others are planned but kept secret.

    The Bush Administration's Secret Biowarfare Agenda

  • They apparently transmit Rickettsia rickettsii, the bacterium that causes Rocky Mountain spotted fever in humans.

    The thing on the bathroom mirror

  • Oh and can you please do Tropheryma whippelii and Rickettsia too?

    A word from the zoo keeper..

  • And as it turns out, the closest known extant non-endosymbiotic relative of mitochondria is the Rickettsia bacteria responsible for typhoid.

    Lynn Margulis: "Definitely a Darwinist" - The Panda's Thumb


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