Abstract:Posterior Hox genes play crucial roles in limb development and specify regions in the proximal-distal (PD) axis of limbs. However, there is no direct genetic evidence that Hox genes are essential for limb regeneration. Moreover, if essential, it is totally unknown which Hox genes have the same or distinct functions between development and regeneration. Here, we mutated hox13 using an efficient CRISPR/Cas9 system in newts (Pleurodeles waltl), which have strong regenerative capacities in various tissues. Triple … Show more
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