So most (all?) cellular organisms that I’m aware of have cell membranes composed of a lipid bilayer. Soap is effective at cleaning your hands from bacteria because as a surfactant, it binds onto the components of bacterium cell walls and is able to disrupt it and make it easy to wash off, etc etc.
I’m curious if anyone has ever found bacteria (probably classified as extremophiles?) that have evolved to live in oily environments.
Are there any bacteria species found only in oils? What characteristics of their cell membranes allow them to withstand these environments?