A refined model of how Yersinia pestis produces a transmissible infection in its flea vector
Fig 10
RpiA activity is needed for the production of a thick mass in the flea gut.
A scanning electron micrograph of the biofilms produced by the WT (upper photos) and the ΔrpiA mutant (lower photos) in the flea at days 13 post-infection and taken at different magnifications.