Yersinia pestis (Y. pestis; formerly Pasteurella pestis) is a gram-negative, non-motile, coccobacillus bacterium without spores that is related to both Yersinia pseudotuberculosis and Yersinia enterocolitica. It is a facultative anaerobic organism that can infect humans via the Oriental rat flea (Xenopsylla … See more Y. pestis is a non-motile coccobacillus, a facultative anaerobic bacterium with bipolar staining (giving it a safety pin appearance) that produces an antiphagocytic slime layer. Similar to other Yersinia species, it tests negative for See more In the urban and sylvatic (forest) cycles of Y. pestis, most of the spreading occurs between rodents and fleas. In the sylvatic cycle, the rodent is wild, but in the urban cycle, the rodent is primarily the brown rat (Rattus norvegicus). In addition, Y. pestis can spread from … See more On January 15, 2024, researchers at the University of Oslo and the University of Ferrara suggested that humans and their parasites (most … See more Genome Several complete genome sequences are available for various strains and subspecies of Y. pestis: strain KIM (of biovar Y. p. medievalis), and strain CO92 (of biovar Y. p. orientalis, obtained from a clinical isolate in … See more In 1894, two bacteriologists, Alexandre Yersin of Switzerland and Kitasato Shibasaburō of Japan, independently isolated in Hong Kong the bacterium responsible for the 1894 Hong Kong plague. Though both investigators reported their … See more • A list of variant strains and information on synonyms (and much more) is available through the NCBI taxonomy browser. • CDC's Home page for Plague See more
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WebFeb 28, 2024 · It happens when Y. pestis bacteria infect the lungs and cause pneumonia. It can develop when a person breathes in droplets of Y. pestis from an animal or person … WebYersinia pestis. is usually transmitted by a flea vector. All of the following are associated with bubonic plague, except. it is transmitted by human feces. Which is incorrect about Yersinia pestis? produces enterotoxin. Plague includes: All of the choices are correct. michigan wolverines bucket hat
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http://www.antimicrobe.org/b246.asp WebPathogenic properties yersinia pestis. groups and develops capsule within phagocytes, disseminates through body. allows multi virulence factors, attaches to host cells, provides defense against immune system. Yersinia pestis reservoir. rodents. parts of body infected - yersinia pestis. lymph nodes, lungs. method of transmission - yersinia pestis. WebMay 18, 2024 · Among the current inhabitants, the team found evidence that a pathogen, likely Yersinia pestis which causes bubonic plague, prompted changes in the allele distribution for two innate pattern ... the oc explorer