CRISPR in Real Time
CRISPR, or Clustered Regularly Interspaced Short Palindromic Repeat, refers to the unique organization of repeating DNA sequences. These sequences are a critical part of the immune systems of microorganisms like bacteria. The CRISPR system can destroy the genome in any attacking viral infection, preventing it from replicating. Using this process, researchers have developed CRISPR technology, which allows them to make specific changes to the DNA of humans, animals, and even plants. Faster and easier than previous methods and attempts, CRISPR is paving the way for gene editing.
In a shockingly detailed new video, you can actually see CRISPR editing DNA in real-time. The video was first showcased in Big Sky, Montana where dozens of CRISPR scientists gathered to discuss progress. Osamu Nureki, a Japanese researcher attending the event played the film and the crowd's reaction really says it all. “I was sitting in the front, and I just heard this gasp from everyone behind me,” says Sam Sternberg, who worked at the University of California, Berkeley in the lab of CRISPR pioneer Jennifer Doudna. Such a strong reaction to data isn't a common sight, even among enthusiastic scientists. This film truly captured the passion and drive that is behind current advances using CRISPR technology.
Single-molecule movie of DNA search and cleavage by CRISPR-Cas9. pic.twitter.com/3NQxmbvzJF
— hnisimasu (@hnisimasu) November 10, 2017
In the above short clip from the video, you can see CRISPR cleaving a strand of DNA in real-time. Scientists have accomplished so much without ever really seeing gene editing in action, at least so clearly and directly. And so, not only is it incredible and beautiful in a never-before-seen and unique way; this ability could serve as a useful tool in furthering the study and development of gene-editing technologies.
CRISPR's uses span a great many fields and could ultimately save countless lives. So far, CRISPR has been used to eliminate HIV in mice, genetically engineer more muscular dogs, alleviate genetic disorders (currently only in animals), expedite crop growth in agriculture, and even engineer new types of antimicrobial treatments. These are just a few examples, but the last application, specifically, could ultimately save lives. Antibiotic resistance continues to plague society as one of the most pressing and threatening realities of modern life.
Until now, gene-editing technologies have been regarded as well-established, and proven to work, but never so directly. This really brings the technology to life and allows both scientists and the general public to really see what's going on. This may lessen some of the stigma and fear that are often associated with gene editing. It's now more digestible, and more readily accessible as a concept, which will hopefully allow the technology to propel forward even faster and with more support. “The result is fairly easy to understand,” said Hiroshi Nishimasu, one of Nureki’s collaborators on the paper. “People say, ‘Wow!’ It’s very simple.”