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Medium optimization for a novel 58 kDa dimeric keratinase from Bacillus licheniformis ER-15: biochemical characterization and application in feather degradation and dehairing of hides

Bioresource Technology

Mar 30, 2010

Ekta Tiwary, Rani Gupta

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Abstract

A novel dimeric 58 kDa keratinase is reported from Bacillus licheniformis ER-15. The bacterium produced 244 U/ml keratinase in 48 h which was increased by eight fold (1962 U/ml) after medium optimization by one-variable-at-a-time and response surface methodology. Enzyme was concentrated...read more

Mentioned in this Paper

Buffers
Casein allergenic extract
Feathers
Coomassie brilliant blue R
Tryptophan
Fibrin Measurement
ELN gene
Solocyte
Phosphate buffers
Glycerin
Paper Details
References
  • References14
  • Citations13
12
  • References14
  • Citations13
12

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Medium optimization for a novel 58 kDa dimeric keratinase from Bacillus licheniformis ER-15: biochemical characterization and application in feather degradation and dehairing of hides

Bioresource Technology

Mar 30, 2010

Ekta Tiwary, Rani Gupta

PMID: 20347294

DOI: 10.1016/j.biortech.2010.02.090

Abstract

A novel dimeric 58 kDa keratinase is reported from Bacillus licheniformis ER-15. The bacterium produced 244 U/ml keratinase in 48 h which was increased by eight fold (1962 U/ml) after medium optimization by one-variable-at-a-time and response surface methodology. Enzyme was concentrated...read more

Mentioned in this Paper

Buffers
Casein allergenic extract
Feathers
Coomassie brilliant blue R
Tryptophan
Fibrin Measurement
ELN gene
Solocyte
Phosphate buffers
Glycerin

Feeds With Similar Papers

Oxygenation & Hydroxylation

Oxygenation is a chemical production that introduces oxygen atom into an organic compound. Hydroxylation is a chemical process that introduces a hydroxyl group (-OH) into an organic compound. In biochemistry, hydroxylation reactions are often facilitated by enzymes called hydroxylases. Cytochrome P450 (CYP) enzymes are expressed mainly in the liver and are active in mono-oxygenation and hydroxylation of various xenobiotics, including drugs and alcohols, as well as that of endogenous compounds such as steroids, bile acids, prostaglandins, leukotrienes and biogenic amines. Here is the latest research.

Related Papers

Applied Microbiology and Biotechnology

Biochemical features of microbial keratinases and their production and applications

Applied Microbiology and BiotechnologyDecember 30, 2009
Adriano BrandelliAlessandro Riffel
Journal of Industrial Microbiology & Biotechnology

Substrate specificity characterization of a thermostable keratinase from Pseudomonas aeruginosa KS-1

Journal of Industrial Microbiology & BiotechnologyApril 24, 2010
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Paper Details
References
  • References14
  • Citations13
12
  • References14
  • Citations13
12

Download from

Publisher
PubMed
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