Tuesday, October 14, 2008

Bacteria Resistance

Antibiotics are used to treat many diseases. Penicillin was one of the first antibiotics to treat many disease crippling bacteria. Staphylococcus aureus was the first bug to battle the medical miricale penicillin.

Resistance to antibiotics can form in several ways. Resistance can occur as a result of genetic events causing alterations in the pre-existing bacterial genome such as
point mutations and gene amplifications. The other major mechanism is horizontal gene transfer between bacteria both within and between species, where transposons, integrons or
plasmids are introduced into an organism.


Here is a link that describes and shows how Bacteria can become antibiotic resistant.
http://www.dhf.uu.se/antibiotics_participant/new_pdf/Bacteria.pdf

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