PIE1 — Medicago truncatula

Summary

MTR_1G053955, designated MtPIE1 on chromosome 1 of barrel medic (Medicago truncatula), encodes a SNF2-family helicase and ATP-dependent chromatin remodeler with DNA translocase, nucleosome-binding and histone acetylase activities. The gene is associated with the SWR1, INO80 and TIP60 chromatin complexes and linked to a wide range of developmental and stress-related processes, including megasporocyte differentiation, pollen sperm cell differentiation, petal formation, endosperm development, flowering time, and responses to temperature, cadmium, long-day photoperiod and heat stress. Associations with traits such as inflorescence length, leaf morphology, anthocyanin and chlorophyll content, drought and salt tolerance, disease tolerance, root development, flowering time and plant growth have been reported. Studies of related genes in other species link the family to H2A.Z deposition, temperature sensing, immunity, meiotic recombination and gravitropism.