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Sunday, September 15, 2013

E. Coli

Escherichia coli, or more commonly known as E. coli, is a bacterium norm solelyy found in the intestines of warm-blooded animals. When or so people hear E. coli they automatically think well-nigh a dangerous bacterium that causes terrible food poisoning. However, to the highest degree E. coli is not bad at all. Only a a couple of(prenominal) types of it bottomland cause said problems. E. coli is whiz of the most piece of tailvass prokaryotes of all time, and has been studied for a very long time. The recital of E. coli is a very long one. Approximately 102 million long time ago there was a split in the both genera, Escherichia and Salmonella, in which the Escherichia then split into five different species, one of which is E. coli. In 1885, a German pediatrician named Theodor Escherich delineateed the bacteria in the feces of healthy people (he did not discover them referable to food poisoning). At first Escherich named this unknown bacterium bacterium coli commune be cause it was found in peoples colons. 10 years later in 1895 it was renamed to Bacillus coli by a man named Migula. After that it underwent one more fiat to Escherichia coli in a new genus because of its discoverer. E. coli is a gram-negative bacterium. The cells ar by and large rod-shaped and on average 2 microns long and 0.5 microns wide. E.
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coli is in any case facultative anaerobic, which mover that it makes adenosine triphosphate via aerobic respiration when type O is there, but if infallible it can switch to making ATP by fermentation. E. coli is overly non-sporulating. The bacterium grows best in 98.6°F because it is found in the bodies of warm-blooded mammals. However, so me E. coli in the research laboratory can gr! ow in temperatures up to 120°C. E. coli cells yield flagella, which are motile. E. coli can also transfer DNA via conjugation, transduction, and transformation. E. coli is worked with a trade for the host organism for studying recombinant DNA. E. coli is essential to our health, and provides us with vitamins much(prenominal) as Vitamin K and Vitamin B-complex. However, some E. coli can in situation be...If you want to get a full essay, come in it on our website: OrderEssay.net

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