EF1 — Sorghum bicolor

Summary

SORBI_3001G227900 (SbEF1) on sorghum chromosome 1 encodes a response regulatory domain-containing protein with DNA-binding transcription factor activity, belonging to the ARR-like and Myb domain families. It is associated with the upregulation of short-day photoperiodism and flowering, cytokinin signaling, histidyl-aspartyl phosphorelay, and flower development. The gene is linked to traits including anthesis time and node number, and phenotypes such as shoot, grain, height, floral, panicle, spikelet number, and meristem. It is also connected to pathways for drought escape via both ABA-dependent and ABA-independent routes. Related genes in other species link the family to heading date, flowering time, yield, and leaf and flower phenotypes, while sequence similarity associations extend to grain weight, plant height, tiller number, and drought tolerance.