ARF — Cucumis sativus

Summary

CsARF (CSA_5G169070) on cucumber chromosome 5 encodes a small GTPase of the Arf1-5-like family with GTPase, GTP-binding, protein kinase, and blue light photoreceptor activities, and is annotated for phospholipase activator and FMN-binding functions. The gene is associated with blue light signaling, phototropism, chloroplast accumulation movement, positive gravitropism, circadian rhythm, auxin signaling, regulation of stomatal movement and proton transport, intracellular protein transport, and response to cold. It localizes to the Golgi, cytoplasm, nucleus, and plant-type vacuole. Associations with agronomic traits include biomass yield, water use efficiency, days to flowering, root mass density, lateral root length, phenolic compound content, ethylene sensitivity, stomatal resistance, leaf senescence, and low temperature stress response. Related genes in other species are linked to phototropism, chloroplast relocation, and stomatal opening.