Left= an agar air plate exposed for 2 minutes after the barley had been turned. showing numerous colonies of the fungus following incubation at 26C on 2% malt agar.Right= A sputum sample taken from a maltworker after exposure showing many fungal colonies when cultured on agar. His commensal yeast flora is seen towards the right base as cream/white colonies.
Test for aflatoxin B1. Standard curve wells in triplicate – columns 9, 10 & 11 – laid out horizontally. Triplicates of 14 samples laid out vertically in rows 2 to 8
Light microscopical appearance of hepatic tissue in outbreak of aflatoxicosis showing centrilobular degeneration of hepatocytes with vacuolated cytoplasm and apoptoses (top right abnormal)(Haematoxylin and eosin).
Aspergillus terreus Thom. A Colonies on MEA after one week; B detail of colony showing columnar conidial heads x 44 ; C conidial heads and tip x 920; D conidia x2330
Aspergillus terreus Thom. Conidial head of Aspergillus terreus. Conidial heads are compact, columnar and biseriate. Conidiophores are hyaline to slightly yellow and smooth walled.