GS2 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.2HG0193490, designated HvGS2 on barley chromosome 2H, encodes a growth-regulating factor (GRF) protein with a QLQ and WRC domain and is annotated as a transcription coactivator that binds ATP and other proteins. The gene is associated with seed development, leaf senescence, root meristem growth, photorespiration, and responses to salt, nitrate, gibberellin, and deep water. It localises to the nucleus. HvGS2 is linked to grain weight, grain yield, seed weight, water use efficiency, chlorophyll content, anthocyanin content, and leaf and floral organ development. Related genes in other species connect the family to grain size, heat and cold tolerance, plant regeneration, and organ size control.