A very important technique in Microbiology laboratories is identifying unknown bacteria cultures. Unknown identification is used for practical purposes, such as diagnosing diseases or determining treatment of an infection. Microbiologists identify unknown bacteria to determine new and emerging infectious diseases and current diseases to determine if any kind of treatment or antibiotics can be used. Some bacteria do not have distinguishing morphological features, so there are different kinds of test that can be performed to distinguish the differences of bacteria. The types of identification methods used to identify bacteria are cell wall composition, differential staining, biochemical testing, and morphology. Some other tests that are used to identify bacteria are serological testing, flow cytometry, DNA fingerprinting, Ribosomal RNA sequencing, and phage typing.
Determining the chemical composition of the cell wall is an important aspect in identifying unknown bacteria,......
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