AUTHOR=Wu Jiming , Zhang Jisheng , Wang Jianmin , Wang Jin , Liang Xushan , Wei Chunli , Long Wenzhang , Yang Yang , Chen Yuhui , Liao Mingjing , Liang Youtao , Yu Kaixin , Zhang Xiaoli TITLE=Insertion sequences in mgrB and mutations in two-component system genes confer high polymyxin resistance to carbapenem-resistant Enterobacter cloacae complex strains JOURNAL=Frontiers in Microbiology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1553148 DOI=10.3389/fmicb.2025.1553148 ISSN=1664-302X