Zebrafish scales depend on interactions among Wnt, Ectodysplasin and Hedgehog signaling pathways similar to those underlying feathers, teeth and hair follicles, suggesting a deep homology of ectodermal appendages in vertebrates.

The same genes and signalling pathways control the formation of skin appendages in both fish and land animals.

Type XVII collagen, a transmembranous protein in basal keratinocytes, suppresses interfollicular epidermal proliferation in neonatal and aged skin, and helps rejuvenate epidermis.

Inflammatory cells differentially regulate a scarring versus a regenerating response to injury in mammals.

Lineage-specific regulatory loops involving evolutionarily conserved myogenic Transcription Factors control muscle identity specification in Drosophila.

Endocytosis is triggered by membrane-associated proteins that transform the clathrin adaptor into an active complex.

CRISPR-based lineage tracing in the axolotl shows that regenerated limbs are composed of the same cell lineages in the same frequencies as those that gave rise to the original limb.

The hair follicle dermal condensate is populated via migration, and the cells exhibit early changes in cell shape and cell cycle status; Fgf20 primes these cellular and molecular events.

Different kinds of molecular changes at one genetic locus control different feather pigmentation patterns, and the darkest patterns resulted from hybridization with another species.

Genetic modulation in patterns of tissue conflict play a major role in the development and evolution of shape diversity.