LettuceDB: an integrated multi-omics database for cultivated lettuce. - Wenhui Zhou; Tao Yang; Liucui Zeng; Jing Chen; Yayu Wang; Xing Guo; Lijin You; Yiqun Liu 016; Wensi Du; Fan Yang; Cong Hua; Jia Cai; et al. (Database J. Biol. Databases Curation, 2024)