Answer :
Final answer:
Phage typing is the method of using species or strain-specific bacteriophages to identify bacterial organisms. This process is a critical part of microbial diagnosis.
Explanation:
The use of species or strain-specific bacteriophages to identify bacterial organisms is known as Phage typing. Bacteriophages are viruses that infect specific bacterial cells. In Phage typing, different strain-specific bacteriophages are used to treat a bacterial sample. Bacteria that are susceptible to a specific bacteriophage will be lysed (broken down), and this can be observed under microscope or detected indirectly by reduced bacterial growth. Thus, the susceptibility pattern helps to reveal the bacterial strain.
This method is a significant part of microbial diagnosis and gives us an insight into the specifics of bacterial infection, aiding in more targeted and efficient treatment strategies. However, it's worth noting that this is part of a varied toolkit used by microbiologists; other methods mentioned like PCR, ELISA, and Genotyping have their unique purposes and applications in genetic and molecular biology.
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