BOP1 — Hordeum vulgare subsp. vulgare

Summary

HORVU.MOREX.R3.3HG0319900 (symbol BOP1, also known as cul4, BOP2, BSS1, NPR5, HvNPR5, HvBOP1, HvBSS1, HvBOP2) on barley chromosome 3H encodes a protein containing BTB/POZ, ankyrin repeat, and NPR5/6 domains, with DNA-binding transcription factor activity, hydrolase activity, and protein homodimerization activity. The gene is associated with the regulation of salicylic acid- and jasmonic acid-mediated signaling pathways, systemic acquired resistance, induced systemic resistance, meristem determinacy, floral meristem determinacy, abscission, nectary development, stipule development, proximal/distal pattern formation, polarity specification of the adaxial/abaxial axis, flower morphogenesis, plant organ development, nodulation, and response to xenobiotic stimulus and symbiotic bacteria. It is linked to traits including plant height, culm diameter, anthesis time, flowering time, leaf morphology, leaf senescence, inflorescence morphology, root morphology, disease tolerance, and lignin biosynthesis. Studies of related genes in other species link the family to shoot apical meristem maintenance, UV-B-induced oxidative stress tolerance, and resistance to soybean cyst nematode.