The siderophore system is essential for viability of <i>Aspergillus nidulans</i>: functional analysis of two genes encoding <scp>l</scp>‐ornithine <i>N <sup>5</sup></i>‐monooxygenase (<i>sidA</i>) and a non‐ribosomal peptide synthetase (<i>sidC</i>)Martin Eisendle, Hubertus Haas|Molecular Microbiology|2003Cited by 233