Qin Huang, Chenxi Duan, Haichuan Ma, Cheng Nong, Qianqian Zheng, Jun Zhou, Ninglin Zhao, Xingyu Mou, Tonggen Liu, Shuang Zou, Ningchuan Yang, Aiping Tong, Wenming Qin, Rui Bao
Itaconate is a key anti-inflammatory/antibacterial metabolite in pathogen-macrophage interactions that induces adaptive changes in Pseudomonas aeruginosa-exposed airways. However, the impact and mechanisms underlying itaconate metabolism remain unclear. Our study reveals that itaconate significantly upregulates the expression of pyoverdine in P. aeruginosa and enhances its tolerance to tobramycin. Notably, the enzymes responsible for efficient itaconate metabolism, PaIch and PaCcl, play crucial roles in both utilizing itaconate and clearing its toxic metabolic intermediates...
April 23, 2024: Structure