Weng, R., Zhu, J., Wu, X., Shi, Q., Li, Y., Zhou, J., Wang, Y., Wang, Y., Huang, W., Liu, H., Qiao, S., Chen, Y., Ren, J., Zhang, P., Quan, J., Zhao, D., Hua, X., Du, X., Wang, J., Yu, Y., Jiang, Y. (2026). Heterogeneous multicopy of blaCTX-M variants on the same plasmid enhances evolutionary adaptability in clinical Klebsiella pneumoniae. Nature Communications. https://doi.org/10.1038/s41467-026-69266-7