ACTR2 and infection: Msmeg_PE18, Msmeg_PPE26, and Msmeg_PE18+PPE26 infections strongly suppressed the major regulators of actin polymerization and filamentation, neural Wiskott-Aldrich syndrome protein (N-Wasp), and actin-related protein 2 (ARP2) in macrophages (Figures 9A–C).