Downregulation of a novel flagellar synthesis regulator AsiR promotes intracellular replication and systemic pathogenicity of Salmonella typhimurium   Shuangshuang Ma, Lingyan Jiang, Jingting Wang, Xiaoqian Liu, Wanwu Li, Shuai Ma, Lu Feng   Virulence   2021 Dec;12(1):298-311