BTR1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.6HG0631210, designated BTR1 on barley chromosome 6H, encodes a protein with K homology domains and calcium-dependent protein serine/threonine kinase activity, and binds single-stranded RNA, mRNA, and identical proteins. The gene is associated with regulation of stomatal opening and closure, abscisic acid-mediated signaling, reactive oxygen species metabolism, osmotic and salinity responses, leaf development, and sucrose metabolism. It localises to the cytosol, plasma membrane, and nucleus. BTR1 is linked to agronomically important traits including seed yield, biomass yield, water use efficiency, transpiration rate, spikelet fertility, leaf elongation rate, root thickness, flowering time, seed dormancy, and low temperature stress response. Related genes in other species are linked to drought tolerance, stomatal immunity, and ABA signaling.