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.
Microscopic images of submerged shake-flask cultures of Aspergillus terreus NRRL 1960. The initial D-xylose concentration was 50 g L– 1 in itaconic acid-producing medium supplemented with different concentrations of Mn2+ ions. Images taken at 24 and 48 h, respectively.
