86 citations,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
38 citations,
July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
72 citations,
December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
7 citations,
October 2018 in “BMC genomics” Key genes can rewire networks, changing skin appendage types.
88 citations,
August 2008 in “Development” BMP2 and BMP7 have opposite roles in feather formation.