Journal ArticleDOI
Keratinase: I. Properties of the enzyme conjugate elaborated by Streptomyces fradiae
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TLDR
A keratinolytic enzyme secreted by Streptomyces fradiae is shown to have the property of solubilizing more than one-third the weight of unaltered wool as discussed by the authors.About:
This article is published in Biochimica et Biophysica Acta.The article was published on 1963-01-01. It has received 69 citations till now. The article focuses on the topics: Keratinase & Streptomyces fradiae.read more
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Microbial alkaline proteases: From a bioindustrial viewpoint
C. Ganesh Kumar,Hiroshi Takagi +1 more
TL;DR: In this paper, a review of the proteases that can resist extreme alkaline environments produced by a wide range of alkalophilic microorganisms is presented, and various nutritional and environmental parameters affecting the production of alkaline proteases are delineated.
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Characterization of a keratinolytic serine proteinase from Streptomyces pactum DSM 40530.
TL;DR: A serine protease from the keratin-degrading Streptomyces pactum DSM 40530 was purified by casein agarose affinity chromatography and showed high stereoselectivity and secondary specificity with different synthetic substrates.
Journal ArticleDOI
Isolation, identification, and characterization of a feather-degrading bacterium.
TL;DR: A feather-degrading culture was enriched with isolates from a poultry waste digestor and adapted to grow with feathers as its primary source of carbon, sulfur, and energy, indicating a potential biotechnique for degradation and utilization of feather keratin.
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Biodegradation of keratin waste: Theory and practical aspects
TL;DR: This study reviews the current knowledge on the ecology and physiology of keratinolytic microorganisms and presents the biodegradation mechanism of native keratin, and methods of keratin waste biotransformation into products of practical industrial and natural value, especially composts, are discussed.
Journal ArticleDOI
Keratin: dissolution, extraction and biomedical application
TL;DR: This review discusses the various methods available for the dissolution and extraction of keratin with emphasis on their advantages and limitations, and reports the properties of various keratin-based biomaterials and critically examines how these materials are influenced by the keratin extraction procedure.
References
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Journal Article
Protein Measurement with the Folin Phenol Reagent
TL;DR: Procedures are described for measuring protein in solution or after precipitation with acids or other agents, and for the determination of as little as 0.2 gamma of protein.
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The estimation of pepsin, trypsin, papain, and cathepsin with hemoglobin.
TL;DR: It is considered simpler and more useful to describe completely the procedures as they are now used in this laboratory, and to avoid confusion about results already published no radical changes have been made.
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Crystalline soybean trypsin inhibitor : ii. general properties.
TL;DR: Crystalline soy protein when denatured is readily digestible by pepsin, and less readily by chymotrypsin and by trypsin, which results in a proportional gain in the inhibiting activity.