ATM4 — Lactuca sativa

Summary

LsATM4, also known as ATM4, is a garden lettuce (Lactuca sativa) gene on chromosome 6 encoding a protein with a Myb domain and DNA binding transcription factor activity, as well as protein dimerization activity. It is associated with the regulation of anthocyanin, proanthocyanidin, flavonoid, and glucosinolate biosynthetic processes, as well as raffinose metabolic process, cutin anabolism, and cellular detoxification of cadmium ions. The gene is linked to cellular response to sulfur starvation, drought recovery, and regulation of defense response to insect. It has been connected to numerous traits including leaf trichome density, seed protein content, shoot axis branching, root epidermal cell length, phosphorus response, iron concentration, and photoperiod-sensitive flowering time. Studies of related genes in other species link the family to cuticle deposition, suberin synthesis, and drought response.