Strains used in this study.

pyrG encodes an A. niger orotidine-5-monophosphate decarboxylase conferring prototrophy to uracil and uridine; BSM-A/H is a biselectable marker constructed during this study which includes the hph gene encoding an E. coli hygromycin phosphotransferase conferring hygromycin B resistance in A. fumigatus; BSM-Z/P is a biselectable marker constructed during this study which includes the ptrA gene conferring pyrithiamine resistance in A. fumigatus. Strains used in this study.