Plasmid pHXY0908 confers ciprofloxacin heteroresistance to Salmonella enterica serovar typhimurium ATCC 14028 by regulating efflux pump gene expression. - Li, Mengyuan; Feng, Xiaoyin; Jian, Qianting; Jing, Mou; Wang, Xiran; Cui, Zehua; Zhang, Rongmin; Sun, Jian; Liu, Yahong; Liao, Xiaoping; Lian, Xinlei (BMC Microbiology, 2025)