The aim of this review is to introduce the methods for bacterial identification. It has been developed many bacterial identification methods; cell culture, biochemical test, DNA-DNA hybridization, DNA typing, antigenic typing, multilocus enzyme electrophoresis, 16S or 23S rRNA gene sequencing, polymerase chain reaction. These have several disadvantages as well as advantages. Therefore, for choosing the porper method, we must understand the mechanism and process of the method for bacterial identification.
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