Growth Mechanism of Fungi Decoded (IMAGE) Karlsruher Institut für Technologie (KIT) Caption A protein (colored red) is located at the tip of a hypha of Aspergillus nidulans and controls growth. The hypha is about 3 micrometers in diameter and extends by about 1 micrometer per minute. Credit (Photo: KIT) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.