Expression of hair keratin homologs of Xenopus tropicalis is associated with cornified claws. a Schematic depiction of a clawed frog (X. tropicalis) bearing cornified claws on the hindlimb inner ...

A team of geologists, paleontologists and archaeologists affiliated with several institutions in Poland, Czechia and Germany ...

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The study revealed that the cornified claws of Xenopus frogs consist of special proteins (keratins) that are very similar to the main components of mammalian hair and nails.