18 citations
,
May 2023 in “Science Advances” In this study, transiently activating the sonic hedgehog signaling pathway in chickens transformed reticulate scales on the feet into feathers comparable to body feathers, without ongoing treatment, suggesting this pathway affects the diversity of bird skin appendages.
45 citations
,
September 2011 in “Journal of the European Academy of Dermatology and Venereology” This study found that obesity is associated with several skin conditions, such as striae and pseudoacanthosis nigricans, which may serve as markers of excessive weight.
36 citations
,
November 2019 in “Molecular biology and evolution” This study suggests that the keratins found in reptile and bird skin appendages evolved independently from mammalian hair keratins, highlighting convergent evolution in these species.
29 citations
,
January 2021 in “G3 Genes Genomes Genetics” This study identified a 195 bp duplication in crested chickens that causes large crest feathers and can be associated with cerebral hernia in some breeds, but not all.
10 citations
,
June 2022 in “Development” This study suggests that distinct chromatin topologies allow different lineage-specific enhancers to regulate Hoxd genes in mouse vibrissae and chicken feather primordia, while conserved regulatory elements maintain transcriptional robustness in the embryonic trunk across species.