Summary
A single-step purification procedure forNeurospora crassa laccase is reported. It used Celite chromatography which permits the concentration of the extracellular enzyme from large culture volumes. This method is useful to isolate any fungal or plant laccase as well as other coppercontaining proteins. This work also takes advantage of the 100-fold induction of the enzyme by low concentrations of cycloheximide.
Résumé
Nous rapportons ici une procédure de purification en une étape de la laccase deNeurospora crassa. Elle consiste à employer la chromatographie sur Celite qui permet la concentration de l'enzyme exo-cellulaire à partir de grands volumes de milieu de culture. Cette méthode permet d'isoler n'importe quelle laccase fungique ou de plante ainsi que d'autres protéines à cuivre. Dans le présent travail, nous avons aussi tiré parti de l'induction au centuple de l'enzyme par de faibles concentrations en cycloheximide.
Resumen
Aquí se reporta un procedimiento de purificación en un solo paso para le enzima lacasa deNeurospora crassa. Consiste en el empleo de la cromatografía en Celite que permite la concentración de la enzima exocelular de grandes volúmenes de cultivo. Este método es útil para aislar cualquier lacasa de hongos o plantas así como otras proteínas que contienen sobre. En este trabajo, hemos aprovechado también la inducción de la enzima en más de 100 veces por bajas concentraciones de cicloheximida.
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Grotewold, E., Taccioli, G.E., Aisemberg, G.O. et al. A single-step purification of an extracellular fungal laccase. Mircen Journal 4, 357–363 (1988). https://doi.org/10.1007/BF01096141
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DOI: https://doi.org/10.1007/BF01096141