"Yersinia pestis" Essays and Research Papers

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    Yersinia Pestis

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    Yersinia Pestis November 21‚ 2013 Introduction Yersinia pestis is a gram negative‚ rod-shaped‚ facultative anaerobic bacterium‚ known for causing the plague. The reason why Y. pestis is so successful is because of their elusiveness to the host’s immune system and their ability to suppress it. Traces of the plague go as far back as to ancient times and specifically 5th century BC Athens and Sparta.  Pathophysiology “Y. pestis produces two anti-phagocytic

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    Yersinia Pestis

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    The etiology of the Bubonic Plague is Yersinia Pestis. It is a bacterium that is gram-negative and a rod-shaped coccobacillus. The bacteria is facultative anaerobic (it does not need air to survive). It is a non-spore forming zoonotic disease and secrets a thick layer of slime that stymies phagocytosis preventing the host’s immune system from destroying it. The kingdom of Yersinia Pestis is a bacterial micro-organism. The phylum is proteobacteria and the class is gammaproteobacteria. It is in the

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    Research Paper on Yersinia Pestis Yersinia Pestis is a bacteria (Palmer). And the common name for Yersinia Pestis is Y. pestis and its scientific name is as stated before Yersinia Pestis (Brubaker). And while there are nineteen species of Yersinia‚ only three of those species “are etiological agents in humans”(Brubaker)‚ and Yersinia Pestis is actually one of them. The other two species are “Y. enterocolitica‚ and Y. pseudotuberculosis” (Brubaker). The organism‚ Yersinia Pestis maintains its “ existence

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    ☠ Deadly Diseases ☠ Yersinia Pestis: Black Death Epidemic The 13th Century was home to the Black Death epidemic‚ also known as Y. Pestis. The most common form of Y. Pestis is the Bubonic Plague‚ however‚ there are two other form of the virus. This form of Yersinia Pestis wasn’t very contagious‚ and can only be caught by pus being introduced to a person’s open wound. The second form of Y. Pestis was the septicemic plague‚ spread by the most well known outbreak‚ coming from rats’ blood‚ then consumed

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    Yersinia pestis bacteria may form different types of the plague; bubonic‚ septicemic‚ and pneumonic. The bubonic plague is the most common form of yersinia pestis that attacks and infects the lymphatic system of the organisms‚ once resulting to one-third to one-half of the Europeans population wiped out in the year 1347. The lymphatic system works closely with the immune system‚ therefore the bacteria is incredibly harmful for the whole body. (http://www.ukessays.co.uk/essays/biology/bubonic-plague

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    Yesinia Pestis Yesinia Pestis is the bacteria that caused the Bubonic Plague in 1347 and marched across Europe killing many people. This bacterium can grow with or without oxygen making its expansion inevitable. Yesinia Pestis is able to survive for several months in cool‚ moist places like rodent holes. People in the United States can be infected by Yesinia Pestis each year from flea or rodent bites‚ it is estimated that 10 to 20 people are infected yearly. Bacteria transmission occurs in one

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    Y Pestis Research Paper

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    Y pestis is the causative agent of the bubonic plague. An infectious disease which has claimed the lives of millions of people across the globe. The purpose of this essay is to give a brief overview of the history of the plague and epidemiology‚ to discuss both the microbial characteristics and virulence of Y.pestis‚ and the way in which it is transmitted. This essay will also discuss and compare the different forms of the plague and the ways in which it is currently diagnosed and treated. Three

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    Essay On Yersinia Pestis

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    will be based on three articles that were assigned: Lipopolysaccharide modification in Gram-negative bacteria during chronic infection‚ Fortifying the barrier: the impact of lipid A remodelling on bacterial pathogenesis‚ and Pathogenicity of Yersinia pestis synthesis of 1-dephosphorylated lipid A. It will be a summary and my opinion of each article. The first article has to do with Gram-negative bacteria lipopolysaccharide layer(LPS) and how it plays a key role in host-pathogen interactions in

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    Yersinia Pestis Disease

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    Yersinia pestis is a gram negative facultative anaerobe which means it can reproduce with or without the presence of oxygen. It is a rod shaped non-motile unicellular prokaryote. Three types of bacteria from the genus name are associated with Yersinia pestis. They are share a common characteristic which is that they are pathogenic towards humans. The three known bacterium are Yersinia pseudotuberculosis‚ Yersinia enterocolitica and‚ Yersinia pestis. Yersinia pestis is and will forever be known as

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    Plague otherwise known as the Black Death‚ has gotten most of its attention from medieval paintings‚ poetry‚ and journals of revulsion. The real horror‚ was the disturbing biological evidence of the bacteria that caused all the pandemics‚ known as Yersinia pestis. The pathogen got its name from the two investigators Yersin and Kitasato. In 1894‚ Yersin was known as the main investigator (ergo. Named after him)‚ he claimed that the mice/rats were affected by the plague even before man was affected. Myths

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