Hyperosmotic medium partially restores the growth defect and the impaired production of sterigmatocystin of an Aspergillus nidulans ΔpmtC mutant in a HogA-independent manner.

Abstract excerpt

The protein O-mannosyltransferase catalyzes O-mannosylation in the endoplasmic reticulum by transferring mannose to the seryl or threonyl residues of substrate proteins. We previously reported a deletion mutant of O-mannosyltransferase C (ΔpmtC) in Aspergillus nidulans with impaired vegetative growth and sterigmatocystin (ST) production. In this study, we investigated whether osmotic conditions contribute to the...

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