Micro 5: Molecular Diagnosis
This episode moves diagnostic microbiology beyond what can be seen or cultured, into what can be amplified, sequenced, and inferred. Drawing on Murray’s chapter, it introduces molecular diagnosis as a shift in mindset: from growing organisms to detecting their signatures.
The episode explores how nucleic acid–based techniques identify pathogens rapidly and with extraordinary sensitivity, often before clinical disease is fully expressed. Polymerase chain reaction, probe-based assays, and sequencing approaches are framed not as laboratory tricks, but as extensions of biological reasoning -…
The skinny
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