![]() ![]() He continued for some time to try to understand the purpose of the “repeats”. In 1992, when sequencing the DNA of archaea, which are like bacteria in that they don’t have a nucleus, he noticed sequences of DNA that were repeated several times. Mojica was a graduate student in the University of Alicante in Spain. The first “aha” moment occurred in the research of Francisco Mojica. James Watson, one of the discoverers of DNA, calls CRISPR the biggest discovery in biology since the discovery of DNA. The discovery of each piece of the system made scientists think “wow, CRISPR is more exciting than we thought”. The book is structured as a series of “aha” moments, recounting how scientists made a series of discoveries about the CRISPR Cas9 system. I recently read Walter Isaacson’s story of the discovery of CRISPR / biography of Jennifer Doudna, called The Code Breaker. ![]()
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