Zielke, Ryszard A., Ryan S Simmons, Bo R Park, Mariko Nonogaki, Sarah Emerson, and Aleksandra E Sikora. 2014. The Type Ii Secretion Pathway In Vibrio Cholerae Is Characterized by Growth Phase-Dependent Expression of Exoprotein Genes and Is Positively Regulated by Σ[superscript E]. : American Society for Microbiology.