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.
Growth of Fp. acidiphilum on spent At. caldus medium. Symbols: ▾, Fe2+ concentration; ▪, DOC concentration; ▴, glycolic acid concentration; ○, number of cells. The symbols indicate means for duplicate cultures, and the error bars indicate ranges.
