USP — Pisum sativum

Summary

PsUSP (PSAT6G110680) on garden pea chromosome 6LG2 encodes a protein containing a Universal_stress_UspA domain with a Rossmann-like a/b/a/fold, placing it in the UspA family. The gene is associated with ecdysteroid anabolism, NO storage, embryogenesis, microsporogenesis, lateral root formation, pollen development, and response to abscisic acid. Its product localises to the cytosol, cytoplasm, and nucleus. PsUSP is also linked to flowering time. Studies of related genes in other species connect the UspA family to starch and protein content, seed maturation, flowering time, larger seeds with slower germination, delayed germination and inflorescence formation, cell wall composition, pollen fertility, and circadian rhythm.