Short communication: Isolation of mutants of Penicillium purpurogenum with enhanced xylanase and β-xylosidase production
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Steiner, J.
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Short communication: Isolation of mutants of Penicillium purpurogenum with enhanced xylanase and β-xylosidase production
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Penicillium purpurogenum was mutated with u.v. light to increase xylanase production. The best mutant, UV-64, was treated with N-methyl-N'-nitro-N-nitrosoguanidine and a second generation of mutants was obtained (NG-188 and NG-737). NG-737 produced 125 U of xylanase/ml when grown on oat spelts xylan supplemented with wheat bran compared with 69 U/ml for the wild-type strain. The mutants also showed a 2.2-fold increase in β-xylosidase as compared with the wild-type.
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URI: https://repositorio.uchile.cl/handle/2250/163350
DOI: 10.1023/A:1008844216973
ISSN: 09593993
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World Journal of Microbiology and Biotechnology, Volumen 14, Issue 4, 2018, Pages 589-590
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