The first promoter for conditional gene expression in Acremonium chrysogenum: Iron starvation-inducible mir1P

► Characterization of the siderophore system of Acremonium chrysogenum. ► Identification and characterization of the siderophore transporter-encoding mir1 gene. ► Employment of the mir1 promoter for the conditional expression of heterologous genes. ► First description of an inducible promoter in A. chrysogenum. ► First description of a conditional gene expression system based on iron availability for fungi.