The effect of protease on stability of cellulase and xylanase from Cellulomonas flavigena

H. A. Whelan, J. Tony Pembroke

Research output: Contribution to journalArticlepeer-review

Abstract

Crude preparations of extracellular cellulase and xylanase from Cellulomonasflavigena at 4°C show a rapid loss of activity. With the protease inhibitors aprotinin and α-2 macroglobulin this loss of activity could be dramatically reduced. Cellulase and xylanase extracted from a protease negative mutant were also more stable. When the cellulase and xylanase was purified by DEAE sepharose from wild type strains, the protease activity could be separated, such preparations of cellulase and xylanase were extremely stable.

Original languageEnglish
Pages (from-to)891-894
Number of pages4
JournalBiotechnology Letters
Volume11
Issue number12
DOIs
Publication statusPublished - Dec 1989

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