French Lab | 18 followers on LinkedIn. Virulence Mechanisms and Ecology of Bacterial Pathogens | Burkholderia Pseudomallei Ecology and Pathogenesis | Burkholderia pseudomallei is a soil-dwelling bacterium which causes the disease melioidosis. Endemic to southeast Asia, northern Australia, and other parts of the globe, B. pseudomallei is a pressing threat to global health and biosecurity.