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 feber, afrikansk fästingbett feber och Rocky M… Webb23 jan. 2012 · PDF On Jan 23, 2012, Xue-jie Yu and others published Rickettsia and Rickettsial Diseases Find, read and cite all the research you need on ResearchGate
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Webb1 nov. 1998 · The R. prowazekii genome contains the highest proportion of non-coding DNA (24%) detected so far in a microbial genome. Such non-coding sequences may be degraded remnants of 'neutralized' genes that await elimination from the genome. 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. R. prowazekii is … Visa mer Discovery Henrique da Rocha Lima, a Brazilian doctor, discovered this bacterium in 1916. He named it after his colleague Stanislaus von Prowazek, who had died from typhus in 1915. Both … Visa mer Vaccines against R. prowazekii were developed in the 1940s, and were highly effective in reducing typhus deaths among U.S. soldiers during World War II. Immunity following recovery from infection with, or by immunization against, R. prowazekii is lifelong in most … Visa mer The genome of R. prowazekii is reduced, being about 1Mb in size and encoding 834 proteins. Some strains encode 866 proteins. They do not encode all the proteins required to live on their own. Missing activities have to be provided by its host, a eukaryotic … Visa mer • Rickettsia prowazekii Taxon Overview at Virginia Bioinformatics Institute • NIAID Biodefense Research Agenda for Category B and C Priority Pathogens from the US National Institute of Allergy and Infectious Diseases Visa mer WebbRickettsia Prowazekii royalty-free images 56 rickettsia prowazekii stock photos, vectors, and illustrations are available royalty-free. See rickettsia prowazekii stock video clips Image type Orientation Color People Artists More Sort by Popular Biology Rickettsia Bacterium Epidemic typhus Gram-negative bacteria Endemic typhus Cell Typhus Disease jennifer powers hunt real estate