Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Textile treating
Patent
1997-03-06
2000-01-25
Naff, David M.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Textile treating
435 697, 435 711, 435198, 435202, 510530, D06M 1600, C12P 2104, C11D 742, C12N 928
Patent
active
060177519
ABSTRACT:
Cellulose-containing fabric is desized by treating with an enzyme hybrid having a catalytically active amino acid sequence of an enzyme such as a lipase or an amylase linked to an amino acid sequence containing a cellulose-binding domain. The enzyme amino acid sequence may be of an .alpha.-amylase obtainable from a species of Bacillus such as Bacillus licheniformis, or of a lipase obtainable from a species of Humicola, Candida, Pseudomonas or Bacillus. The cellulose-binding domain may be from a cellulase, a xylanase, a mannanase, an arabinofuranosidase, an acetylesterase or a chitinase. The enzyme hybrid is obtained from a transformed host cell containing an expression cassette having a DNA sequence encoding the enzyme hybrid. A desizing composition is formed containing the enzyme hybrid and a wetting agent.
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Greenwood et al. Biotech. & Bioeng. Accession No. 11434006, 1994, 44(II) 1295-1305.
Chalfie et al. (1994) Science 263:802-805.
Bjornvad Mads E.
Osten Claus von der
Rasmussen Michael Dolberg
Vind Jesper
Esq. Reza Green
Naff David M.
Novo Nordisk A S
Zelson Esq. Steve T.
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