SEN4 — Beta vulgaris subsp. vulgaris

Summary

BvSEN4 (BVRB_013510) on sugar beet chromosome 0470.scaffold01016 encodes a xyloglucan-specific endo-beta-1,4-glucanase with endoxyloglucan transferase activity, belonging to the GH16/XTH family. The enzyme is associated with xyloglucan catabolism, cell wall loosening, assembly, and organization, as well as responses to gibberellin, auxin, and brassinosteroid stimuli. It is linked to primary root development, leaf vascular tissue pattern formation, fruit ripening, and jasmonic acid biosynthesis. Localization evidence places the product in the apoplast, plant-type cell wall, Golgi complex, and secretory vesicles. The gene has been connected to sugar content, seed growth and development, aluminum response, brassinosteroid sensitivity, lateral root development, salt tolerance, freezing tolerance, and leaf senescence. Studies of related genes in other species link the family to root elongation, vascular development, aluminum tolerance, and freezing stress resistance.