Integrative Metabolomic and Transcriptomic Analyses Uncover Metabolic Alterations and Pigment Diversity in Monascus in Response to Different Nitrogen Sources Di Huang #, Yuhui Wang #, Jing Zhang #, Huimin Xu, Jing Bai, Huijing Zhang, Xiaolong Jiang, Jian Yuan, Gege Lu, Lingyan Jiang, Xiaoping Liao, Bin Liu*, Huanhuan Liu* mSystems. 2021 Sep 7:e0080721