How Extreme Microbes Are Helping Us Test for COVID-19

The video explains the development and significance of Polymerase Chain Reaction (PCR) in molecular biology. It highlights the challenges faced in early DNA sequencing and the discovery of DNA polymerase. The role of Thermus aquaticus and its enzyme, Taq polymerase, in revolutionizing PCR is discussed. The video also covers advancements in PCR technology, including the use of more accurate enzymes like those from Pyrococcus abyssi, which are crucial for detecting small genetic mutations.

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