Identification and linkage mapping of the phsA gene of Aspergillus nidulans, where mutation affects growth and pigmentation of colonies in a temperature- and pH-dependent way.

Abstract excerpt

We report the isolation and characterization of a mutant strain of the mold Aspergillus nidulans showing an altered response to environmental pH, including a reduction in its pH range for growth and the production of a melanin-like pigment at alkaline pH. We also show that the mutant strain is not detergent-sensitive and that its acid sensitivity is osmotically remediable with 0.5 M NaCl or 1.0 M sorbitol....

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