Dna

DNA Computer Shows Programmable Chemical Machines Are Possible

DNA Computer Shows Programmable Chemical Machines Are Possible

The DNA computer works by layers of DNA logic gates attaching to a DNA origami seed (grey). Adapter strands [red] attach at specific locations on the seed, encoding the 6-bit input. DNA single-stranded logic gates [blue, brown, yellow] attach in locations that match the input, solving the algorithm as the system grows.

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Using CRISPR to edit coral

Using CRISPR to edit coral

The work was published online in the Proceedings of the National Academy of Sciences. Phillip Cleves, PhD, a postdoctoral scholar at Stanford and coral enthusiast, is first author on the study. Cleves and his collaborators were able to use CRISPR to successfully introduce mutations to three genes (red fluorescent protein, green fluorescent protein and fibroblast growth factor 1a, a gene that is thought to help regulate new coral colonization) in a specific type of coral, Acropora millepora, definitively showing for the first time that the gene-editing technology could be successful in coral species.

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