volume 18, issue 2, P133-140 1996
DOI: 10.1016/0141-0229(95)00098-4
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Linda D. Abraham, Colette Breuil

Abstract: Identification of key enzymes of sapstain fungi which cause wood discoloration is necessary for targeted inhibition strategies. Therefore proteinases involved in the nitrogen pathway have been characterized. The sap-staining fungus Ophiostoma piceae strain 387N produced proteolytic enzymes when grown on wood and protein-supplemented media. Proteolytic activity in culture filtrates was inhibited by PMSF and EDTA. The major protein in culture filtrates was a proteinase with a pI of 5.6 and a molecular weight of …

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