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Enhanced β-galactosidase production from whey powder by a mutant of the psychrotolerant yeast Guehomyces pullulans 17-1 for hydrolysis of lactose.

Applied biochemistry and biotechnology - 1 Feb 2012

Xu Jin-Li, Zhao Jun, Wang Ling-Fei, Sun Huai-Yong, Song Chun-Li, Chi Zhen-Ming

Abstract excerpt

In order to isolate β-galactosidase overproducers of the psychrotolerant yeast Guehomyces pullulans 17-1, its cells were mutated by using nitrosoguanidine (NTG). One mutant (NTG-133) with enhanced β-galactosidase production was obtained. The mutant grown in the production medium with 30.0 g/l lactose and 2.0 g/l glucose could produce more β-galactosidase than the same mutant grown in the production medium with...

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PMID: 22086565
DOI: 10.1007/s12010-011-9451-4

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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