UVR8 — Lactuca sativa

Summary

LsUVR8, also known as UVR8 or PROTON1, encodes a protein belonging to the RCC1/BLIP-II family, containing RCC2 and AT-hook DNA-binding domains. The gene product is associated with small GTPase binding and has been linked to photomorphogenesis, pigmentation, and stress responses, as well as to the upregulation of spindle microtubule attachment to kinetochore and CPC localization to kinetochore. It localizes to both the membrane and nucleus. In lettuce, LsUVR8 is associated with shoot fresh weight, photosynthetic rate, stomatal resistance, and anthocyanin content. Studies of related genes in other species connect the family to plant height, seed maturation, and altered rosette growth under nitrogen limitation.