FRG1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.2HG0199060 (HvFRG1) on barley chromosome 2H encodes a SNF2/RAD54-like helicase with ATP-dependent chromatin remodeller activity, DNA helicase activity, nucleosome binding and histone methylase activity. The gene is associated with regulation of endosperm development, seed germination, stomatal closure, ABA signalling, DNA repair, recombination, chromatin silencing, and responses to heat stress and thirst. It has been linked to reproductive period, flavonoid content, chlorophyll content, delayed flowering, reduced root growth, and reduced DNA methylation. Studies of related genes in rice connect the family to immune response, disease resistance, and blast defence. Sequence similarity links HvFRG1 to traits including grain yield, grain weight, grains per spike, plant height, drought tolerance, salinity tolerance, stripe rust resistance, amylose content, and stay green.