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  • Title: Rational strategy for the production of new crude lipases from Candida rugosa.
    Author: de María PD, Sánchez-Montero JM, Alcántara AR, Valero F, Sinisterra JV.
    Journal: Biotechnol Lett; 2005 Apr; 27(7):499-503. PubMed ID: 15928857.
    Abstract:
    Candida rugosa was cultured using different inducers (oleic acid, olive oil, sunflower oil, n-dodecanol and glycerol) as the only carbon source in batch conditions, as well as in several fed-batch fermentations (oleic acid as inducer) at variable feed rate conditions. The N-terminal analysis of each crude lipase revealed that, while the isoenzymes Lip2 and Lip3 are always secreted (at different proportions depending on the inducer), Lip1 was produced only using n-dodecanol (batch conditions) or oleic acid (fed-batch at high feed rate). The nature of the inducer controls the isoenzyme percentage; when this is fixed, as well as the feed rate in fed-batch fermentation, the isoenzymatic profile remained unaltered and the samples differed only in the activity of the lipases, as determined by heptyl oleate synthesis.
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