Rickettsia attacks by invading host cells, particularly endothelial cells lining blood vessels. They enter these cells through mechanisms such as phagocytosis or by exploiting the host's cellular machinery. Once inside, Rickettsia replicate and spread, often leading to inflammation and damage to the vascular system, which can result in symptoms like fever and rash. The bacteria primarily rely on the host's resources for survival and proliferation.
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When and why did the settler attack
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Attack of the Saucerman happened in 1999.
what is Rickettsia
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Rickettsia replicates within the host cell cytoplasm through a process known as binary fission. This involves the bacterium dividing into two daughter cells, leading to the multiplication of the organism within the host cell.
Indirect immunofluorescence assay (IFA) is commonly used to detect anti-Rickettsia antibodies in a patient. This test involves exposing the patient's serum to Rickettsia antigens and then using fluorescently labeled antibodies to detect any bound antibodies. Positive results indicate a past or current infection with Rickettsia bacteria.
Typhus, caused by Rickettsia bacteria, does not involve typical "typhus cells," as these bacteria are obligate intracellular parasites. Rickettsia species do possess plasmids, although they are not as common or well-studied as those found in other bacteria. Plasmids in Rickettsia can carry genes that contribute to their virulence and adaptation to host environments. Thus, while Rickettsia may have plasmids, the term "typhus cells" is not applicable in the traditional sense.
bacteria
rickettsia
Yersinia Pestis is a bacterium that undergoes reproduction through fission, an asexual form of reproduction that occurs in approximately 1.25 hours.
Rickettsia rickettsii is the scientific name for RMSF. The common name for it is Rocky Mountain Spotted Fever.
rickettsia
The causative bacteria is called Rickettsia typhi.
The scientific name for Rocky Mountain spotted fever is Rickettsia rickettsii. It is a bacterial infection transmitted through tick bites.