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Archive: Thu Jan 2018

A major obstacle to CRISPR/Cas9 - preexisting immunity

The discovery of CRISPR/Cas9 is one of the biggest scientific breakthroughs in recent memory. This technology, first discovered in microbes, enables the cleaving of DNA in order to remove or replace existing genes. For a crash course into the history of…

Colonies 3

It may be hard to believe, but this sea of shiny, donut-shaped colonies are Pseudomonas aeruginosa colonies. These Pseudomonas colonies have a genetic mutation that causes many of the bacteria’s genes to be shut off. The donut-shape of these colonies may…