Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The holdfast is visible after the initiation of stalk synthesis in this transmission electron micrograph of wild-type C. crescentus (CB15) grown in PYE medium. The holdfast material is indicated by arrows and is visible as amorphous material at the tips of stalks.
