Search results
Rickettsier eller Rickettsia är en familj små (0,3-1,0 µm) gramnegativa kockobaciller, som växer och förökar sig i värdcellens cytoplasma, utanför de eukaryota värdcellernas cellkärna. Bakterierna i familjen Rickettsia sprids genom vektorer, såsom fästingar, loppor och löss. Hos människan orsakar den exempelvis tyfus, Boutonneuse ...
Rickettsia prowazekii. da Rocha-Lima, 1916. Rickettsia prowazekii is a species of gram-negative, alphaproteobacteria, obligate intracellular parasitic, aerobic bacillus bacteria that is the etiologic agent of epidemic typhus, transmitted in the feces of lice. In North America, the main reservoir for R. prowazekii is the flying squirrel.
Hello over the past 3-4 months I 2015evolution7 16:53, 8 December 2015 (UTC) have been editing this article in hopes to further educate people on the Rickettsia rickettsii pathogen. Over this time I have edited the overall flow of the article and made sure to cut out a lot of the unnecessary information.
Ferrantini et al. 2009. The Rickettsiaceae are a family of bacteria. The genus Rickettsia is the most prominent genus within the family. The bacteria that eventually formed the mitochondrion (an organelle in eukaryotic cells) is believed to have originated from this family. Most human pathogens in this family are in genus Rickettsia.
Aug 20, 2010 · Rickettsia rickettsii is a small, rod-shaped bacterium known to cause Rocky Mountain spotted fever (RMSF). This disease can be transmitted to humans either from a tick bite with an incubation period of 1 week, or by contamination of a cut on the skin or a wound with ticks feces. Dr.
Rickettsia. Riketsiat ( Rickettsia) on gramnegatiivisten bakteerien suku, joka kuuluu proteobakteerien pääjaksoon. Riketsiat ovat solunsisäisiä parasiitteja tai endosymbiootteja, jotka ovat riippuvaisia isäntäsolusta kasvaakseen ja lisääntyäkseen. Riketsiat ovat pleiomorfisia bakteereita eli niiden muoto voi vaihdella.
Rickettsia australis is a distinct pathogen that belongs in the Rickettsial spotted fever group. It genome is sequences and is approximately 1.29 Mb (mega– base-pairs ). It is also highly similar to Rickettsia akari which is the closest known phylogenetic neighbor. The chromosome has a predicted size of 1,297,390 bp.
