The sigma 54 genes rpoN1 and rpoN2 of Xanthomonas citri subsp. citri play different roles in virulence, nutrient utilization and cell motility
Gibson Kamau Gicharu, SUN Dong-ling, HU Xun, FAN Xiao-jing, ZHUO Tao, WU Chuan-wan, ZOU Hua-song
Journal of Integrative Agriculture . 2016, (9): 2032 -2039 .  DOI: 10.1016/S2095-3119(15)61317-X