FB (GLYMA_20G170000V4) — Glycine max

Summary

GmFB (GLYMA_20G170000V4) on soybean chromosome 20 encodes a GIGANTEA-family protein with GIGANTEA_N, GIGANTEA_M and GIGANTEA_C domains. The product is annotated with multiple molecular functions including DNA-binding transcription repressor activity, blue light photoreceptor activity, calcium-dependent protein serine/threonine phosphatase activity, and phosphorelay response regulator activity. GmFB is associated with rhythmic processes, photoentrainment of the circadian clock, downregulation of circadian rhythm, and regulation of phytochrome signaling. It is linked to photoperiod sensitivity, the vegetative-to-reproductive phase transition, and traits including abscisic acid concentration, carotenoid and xanthophyll metabolism, neoxanthin and violaxanthin content, fruit and flower number, stem length, leaf number, whole plant size, and responses to temperature stress, viral disease, aphids, and nitrate starvation. The gene is also associated with meristem determinacy, adventitious root development, and seed germination.