Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/12954

TitleA new cuticle scale hydrolysing protease from beauveria brongniartii
Author(s)Erlacher, Angelika
Sousa, Fernanda
Schroeder, M.
Jus, S.
Kokol, V.
Paulo, Artur Cavaco
Gübitz, Georg M.
KeywordsWool
Cuticle
Protease
Beauveria brongniartii
Issue dateMay-2006
PublisherSpringer
JournalBiotechnology Letters
Abstract(s)From a screening for the production of new proteases specific for cuticle scales, Beauveria brongniartii was selected producing an alkaline Ca++ dependent protease. The purified had a molecular weight of 27 kDa and a pI value of 8.0. Substrate specificities of model substrates (wool with partially removed cuticles treated with SDS) were analyzed by protein release, dissolved organic carbon (DOC) and nitrogen analysis. The C/N ratio of released material turned out to be a good parameter to determine the site of action of proteases on fibres. Compared to other enzymes, the fungal protease preferentially hydrolyzed cuticle scales and has thus a potential for antishrinking pre-treatment of wool fabrics.
TypeArticle
URIhttp://hdl.handle.net/1822/12954
DOI10.1007/s10529-006-9047-1
ISSN0141-5492
Peer-Reviewedyes
AccessOpen access
Appears in Collections:DET/2C2T - Artigos em revistas internacionais com arbitragem científica

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