Pili in the Bacterium Caulobacter crescentus (image)

Caption
This image shows pili (green) in cells from the bacterium Caulobacter crescentus (orange). IU scientists used a fluorescent maleimide molecule to stain pilin proteins that contained a cysteine molecule, which was introduced in place of one of the pili's amino acids.
Credit
Courtney Ellison, Indiana University
Usage Restrictions
Credit Courtney Ellison, Indiana University