首只发光乌贼诞生，基因工程迎来里程碑

First glowing cuttlefi sh marks a genetic engineering milestone First glowing cuttlefish marks a genetic engineering milestone Breakthroughs in manipulating cephalopod embryos pave way for new studies of perception, brain evolution, and more SARA REARDON When Tessa Montague learned about CRISPR, the gene-editing system that was supposed to make it easy to modify any organism, she set her sights on the cuttlefish. The Columbia University neuroscientist dreamed of injecting its embryos with genes that would prompt its neurons to fluoresce as they fired. The flashes would let her track how this tentacled creature’s brain controls one of its most striking behaviors: camouflaging itself by copying patterns it perceives in its surroundings onto its skin. …