Potential of Ophiostoma piceae sterol esterase for biotechnologically relevant hydrolysis reactions.

Abstract:

:The ascomycete Ophiostoma piceae produces a sterol esterase (OPE) with high affinity toward p-nitrophenol, glycerol, and sterol esters. Recently, this enzyme has been heterologously expressed in the methylotrophic yeast Pichia pastoris under the AOX1 methanol-inducible promoter (PAOX1) using sorbitol as co-susbtrate, and the hydrolytic activity of the recombinant protein (OPE*) turned out to be improved from a kinetic point of view. In this study, we analyze the effects of sorbitol during the expression of OPE*, at first added as an additional carbon source, and methanol as inducer. The O. piceae enzyme was successfully used for PVAc hydrolysis, suggesting its potential applicability in recycled paper production to decrease stickies problems.

journal_name

Bioengineered

journal_title

Bioengineered

authors

Barba Cedillo V,Prieto A,Martínez MJ

doi

10.4161/bioe.22818

subject

Has Abstract

pub_date

2013-07-01 00:00:00

pages

249-53

issue

4

eissn

2165-5979

issn

2165-5987

pii

22818

journal_volume

4

pub_type

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