PAP1 — Brassica oleracea

Summary

BoPAP1 (BOLC102_C06P043880.1) on cabbage chromosome 6 encodes a MYB transcription factor with DNA-binding, transcription factor activity, protein dimerization, ubiquitin ligase, and protein kinase activities. It is associated with the regulation of flavonoid, proanthocyanidin, and anthocyanin metabolism, as well as carotenoid biosynthesis, chlorophyll metabolism, and sucrose-mediated signaling. The gene is linked to seed growth, mucilage extrusion from the seed coat, trichome spacing, and epidermal cell fate specification. Traits associated with BoPAP1 include flavonoid content, seed coat color, leaf color, trichome density, root epidermal cell length, seed longevity, and responses to light quality, UV, far-red, blue, and red light. It is also connected to cadmium concentration, iron concentration, phosphorus uptake, lignin biosynthesis, and heterosis. Studies of related genes in other species link the family to anthocyanin pigmentation, trichome differentiation, root hair differentiation, and salt stress tolerance.