this post was submitted on 21 Sep 2023
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Spiders

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cross-posted from: https://mander.xyz/post/3918432

Ah, Crispr-Cas9 is convenient.

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[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

To spin spider silk from silkworms, Mi and his team introduced spider silk protein genes into the DNA of silkworms so that it would be expressed in their glands using a combination of CRISPR-Cas9 gene editing technology and hundreds of thousands of microinjections into fertilized silkworm eggs. The microinjections posed “one of the most significant challenges” in the study, said Mi, but when he saw the silkworms’ eyes glowing red under the fluorescence microscope—a sign that the gene editing had been successful—he was overjoyed.

Not scary sciFi at all…