Inhibiting the sonic hedgehog (Shh) pathway strongly perturbs feather development in chickens by restricting feather bud ...

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Scientists have successfully genetically modified chickens to make their feathers resemble those of dinosaurs. This study is ...

Feathers may have started as simple filaments in ancient dinosaurs, but a team of Swiss researchers is digging deep into the ...

In a nutshell Scientists temporarily reversed feather evolution in chickens by blocking a key developmental pathway, causing ...

As part of their study of feather evolution, scientists have tried to restore the original appearance of chickens. They succeeded, but only temporarily. By inhibiting the key gene Sonic Hedgehog at ...

Tweaking the Sonic Hedgehog gene can transform different aspects of development in chickens. For instance, transient over-expression of the gene can permanently turn feet scales into feathers. But ...