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-	{{Template}}	+	{{Template}}'''Antibiotic resistance''' is the ability of a [[microorganism]] to withstand the effects of an [[antibiotic]]. It is a specific type of [[drug resistance]]. Antibiotic resistance evolves naturally via [[natural selection]] through random [[mutation]], but it could also be engineered by applying an evolutionary stress on a population. Once such a [[gene]] is generated, bacteria can then transfer the genetic information in a horizontal fashion (between individuals) by [[plasmid]] exchange. If a bacterium carries several resistance genes, it is called '''multiresistant''' or, informally, a '''superbug'''.
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		+	Antibiotic resistance can also be introduced artificially into a microorganism through [[transformation (genetics)|transformation]] protocols. This can be a useful way of implanting artificial genes into the microorganism.
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Revision as of 11:46, 17 January 2008

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Antibiotic resistance is the ability of a microorganism to withstand the effects of an antibiotic. It is a specific type of drug resistance. Antibiotic resistance evolves naturally via natural selection through random mutation, but it could also be engineered by applying an evolutionary stress on a population. Once such a gene is generated, bacteria can then transfer the genetic information in a horizontal fashion (between individuals) by plasmid exchange. If a bacterium carries several resistance genes, it is called multiresistant or, informally, a superbug.

Antibiotic resistance can also be introduced artificially into a microorganism through transformation protocols. This can be a useful way of implanting artificial genes into the microorganism.