EXO70A1 — Brassica oleracea

Summary

BoEXO70A1, located on chromosome 4 of cabbage (Brassica oleracea), encodes a member of the Exo70 protein family, containing Exo70_C and cullin-repeat-like domains, and is associated with acetylase activity, histone acetylase activity, and phosphatidylinositol-4,5-bisphosphate binding. The gene is linked to exocyst and pollen tube tip localization, and to processes including pollen acceptance, tube development, seed coat development, mucilage anabolism, xylem vessel member cell differentiation, lateral root morphogenesis, and regulation of secondary cell wall biogenesis. Associations with traits such as self-incompatibility, leaf trichome density, lateral root number and length, flowering time, anthocyanin content, and responses to biotic stress, light intensity, and cytokinin have been observed. Studies of related genes in other species link the family to polarized exocytosis, pollen-pistil compatibility, and polar auxin transport.