Listeria characteristics: Difference between revisions
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==Overview== | ==Overview== | ||
==Listeria monocytogenes== | |||
''Listeria monocytogenes'' is a bacterium commonly found in soil, stream water, sewage, plants, and food.<ref name="rts1">{{cite web | |||
| last =Southwick | |||
| first =F.S. | |||
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| coauthors =D.L Purich | |||
| title =More About Listeria | |||
| work = | |||
| publisher =University of Florida Medical School | |||
| date = | |||
| url =http://www.med.ufl.edu/biochem/DLPURICH/morelist.html | |||
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| doi =. | |||
| accessdate = 7 March 2007 }}</ref> Each bacterium is Gram-positive and rod-shaped. ''Listeria'' are known to be the bacteria responsible for [[listeriosis]], a rare but lethal food-borne infection that has a devastating mortality rate of 25%<ref name="rts2"> {{cite web | |||
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| title =Todar's Online Textbook of Bacteriology | |||
| work =Listeria monocytogenes and Listeriosis | |||
| publisher =Kenneth Todar University of Wisconsin-Madison Department of Biology | |||
| date = 2003 | |||
| url =http://textbookofbacteriology.net/Listeria.html | |||
| format = | |||
| doi =. | |||
| accessdate = 2007-03-07 }} </ref>([[Salmonella]], in comparison, has a less than 1% mortality rate<ref name="rts3">{{cite web | |||
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| title =Statistics about Salmonella food poisoning | |||
| work = | |||
| publisher =WrongDiagnosis.com | |||
| date = 27 February 2007 | |||
| url =http://www.wrongdiagnosis.com/s/salmonella_food_poisoning/stats.htm | |||
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| accessdate = 2007-03-07 }}</ref>). They are incredibly hardy and able to grow in temperatures ranging from 4°C (39°F), the temperature of a refrigerator, to 37°C (99°F), the body's internal temperature<ref name="rts1"/>. Furthermore, listerosis's deadliness can be partially attributed to the infection's ability to spread to the nervous system and cause [[meningitis]].<ref name="rts1"/> Finally, ''Listeria'' has a particularly high occurrence rate in newborns because of its ability to infect the fetus by penetrating the endothelial layer of the [[placenta]].<ref name="rts2"/> | |||
==References== | ==References== | ||
Revision as of 19:01, 8 February 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Listeria monocytogenes
Listeria monocytogenes is a bacterium commonly found in soil, stream water, sewage, plants, and food.[1] Each bacterium is Gram-positive and rod-shaped. Listeria are known to be the bacteria responsible for listeriosis, a rare but lethal food-borne infection that has a devastating mortality rate of 25%[2](Salmonella, in comparison, has a less than 1% mortality rate[3]). They are incredibly hardy and able to grow in temperatures ranging from 4°C (39°F), the temperature of a refrigerator, to 37°C (99°F), the body's internal temperature[1]. Furthermore, listerosis's deadliness can be partially attributed to the infection's ability to spread to the nervous system and cause meningitis.[1] Finally, Listeria has a particularly high occurrence rate in newborns because of its ability to infect the fetus by penetrating the endothelial layer of the placenta.[2]
References
- ↑ 1.0 1.1 1.2 Southwick, F.S. "More About Listeria". University of Florida Medical School. doi:. Check
|doi=value (help). Retrieved 7 March 2007. Unknown parameter|coauthors=ignored (help) - ↑ 2.0 2.1 "Todar's Online Textbook of Bacteriology". Listeria monocytogenes and Listeriosis. Kenneth Todar University of Wisconsin-Madison Department of Biology. 2003. doi:. Check
|doi=value (help). Retrieved 2007-03-07. - ↑ "Statistics about Salmonella food poisoning". WrongDiagnosis.com. 27 February 2007. doi:. Check
|doi=value (help). Retrieved 2007-03-07.