ARRE — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.1HG0055270 (HvARRE) on barley chromosome 1H encodes a RING-type zinc finger domain-containing protein with ubiquitin ligase activity, also annotated for 5'-3' RNA polymerase activity. The gene is associated with protein ubiquitination, ubiquitin-dependent proteolysis, defense response, response to light stimulus, root development, cell division, syngamy, and downregulation of abscisic acid-mediated signaling. Its product localizes to plastid and thylakoid membranes, mitochondria, and the plasmalemma. HvARRE is linked to photosynthetic rate. Studies of related genes in other species connect the family to cuticular wax biosynthesis, stomatal closure, fertility, pathogen response, seed germination, ABA sensitivity, and root elongation, while sequence similarity links extend these associations to shoot and root dry weight, stripe rust response, and stomatal closure time.