Supplementation of plant fermentation carbon sources significantly enhances the abundance of ammonia-oxidizing genes and increases nitrogen removal in a municipal wastewater treatment plant. - Chen, Han; Huang, Jing; Jiao, Dian; Wang, Xin; Du, XinJing; Dai, Jingcheng; Sun, Si; Xu, Qingxian; Wu, Chang; Qiu, Dongru (BMC Microbiology, 2025)