Presented here is the protocol for an in situ chemotaxis assay, a recently developed microfluidic device that enables studies of microbial behavior directly in the environment.
Clerc, E. E., Raina, J., Lambert, B. S., Seymour, J., Stocker, R. In Situ Chemotaxis Assay to Examine Microbial Behavior in Aquatic Ecosystems. J. Vis. Exp. (159), e61062, doi:10.3791/61062 (2020).