Oral Fusobacterium nucleatum resists the acidic pH of the stomach due to membrane erucic acid synthesized via enoyl-CoA hydratase-related protein FnFabM. - Li, Xiaocong; Zhang, Shipeng; Sheng, Huafang; Zhen, Yan; Wu, Buling; Li, Zhuang; Chen, Dingqiang; Zhou, Hongwei (Journal of Oral Microbiology, 2025)