keratinase
proteolytic enzyme that catalyzes the hydrolysis of keratin
Identification
| Name | keratinase |
| CAS Number | 9025-41-6 |
| FDA UNII | Search |
Regulatory
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | hair straightening agents |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | cosmetic agents |
| Recommendation for keratinase usage levels up to | not for fragrance use. |
| Recommendation for keratinase flavor usage levels up to | not for flavor use. |
No supplier data available
Potential Uses
Natural Occurrence
Synonyms
keratinase, streptomyces
proteolytic enzyme that catalyzes the hydrolysis of keratin
PubMed:
Improved catalytic efficiency, thermophilicity, anti-salt and detergent tolerance of keratinase KerSMD by partially truncation of PPC domain.
PubMed:
In vitro evaluation of antifungal susceptibility and keratinase, elastase, lipase and DNase activities of different dermatophyte species isolated from clinical specimens in Iran.
PubMed:
Anti-fungal potential of ozone against some dermatophytes.
PubMed:
Susceptibility to antifungal agents and enzymatic activity of Candida haemulonii and Cutaneotrichosporon dermatis isolated from soft corals on the Brazilian reefs.
PubMed:
Keratinolytic activities of alkaliphilic Bacillus sp. MBRL 575 from a novel habitat, limestone deposit site in Manipur, India.
PubMed:
Antifungal susceptibility and virulence factors of clinically isolated dermatophytes in Tehran, Iran.
PubMed:
A novel alkaline keratinase from Bacillus subtilis DP1 with potential utility in cosmetic formulation.
PubMed:
Feather hydrolysate from Streptomyces sampsonii GS 1322: A potential low cost soil amendment.
PubMed:
Determining the Pathogenic Potential of Non-sporulating Molds Isolated from Cutaneous Specimens.
PubMed:
Novel serine keratinase from Caldicoprobacter algeriensis exhibiting outstanding hide dehairing abilities.
PubMed:
Purification and partial characterization of serine-metallokeratinase from a newly isolated Bacillus pumilus NRC21.
PubMed:
Suitability of hair type for dermatophytes perforation and differential diagnosis of T. mentagrophytes from T. verrucosum.
PubMed:
Microbial decomposition of keratin in nature-a new hypothesis of industrial relevance.
PubMed:
Catalytic, kinetic and thermodynamic properties of Bacillus pumilus FH9 keratinase conjugated with activated pectin.
PubMed:
Bacillus safensis LAU 13: a new source of keratinase and its multi-functional biocatalytic applications.
PubMed:
Construction of a Rapid Feather-Degrading Bacterium by Overexpression of a Highly Efficient Alkaline Keratinase in Its Parent Strain Bacillus amyloliquefaciens K11.
PubMed:
Industrially important hydrolytic enzyme diversity explored in stove ash bacterial isolates.
PubMed:
Interference of salts used on aqueous two-phase systems on the quantification of total proteins.
PubMed:
Discovery of keratinases using bacteria isolated from marine environments.
PubMed:
A metallo-keratinase from a newly isolated Acinetobacter sp. R-1 with low collagenase activity and its biotechnological application potential in leather industry.
PubMed:
Enhancement of the catalytic efficiency and thermostability of Stenotrophomonas sp. keratinase KerSMD by domain exchange with KerSMF.
PubMed:
Keratinolytic abilities of Micrococcus luteus from poultry waste.
PubMed:
Inhibitory effect of silver nanoparticles mediated by atmospheric pressure air cold plasma jet against dermatophyte fungi.
PubMed:
Possible practical utility of an enzyme cocktail produced by sludge-degrading microbes for methane and hydrogen production from digested sludge.
PubMed:
Extracellular peptidases from Deinococcus radiodurans.
PubMed:
[ABILITY OF MICROORGANISMS FROM DIFFERENT ECOLOGICAL NICHES TO HYDROLYZE THE INSOLUBLE PROTEINS].
PubMed:
Biotechnological Aspects and Perspective of Microbial Keratinase Production.
PubMed:
Enzymatic Activity and Susceptibility to Antifungal Agents of Brazilian Environmental Isolates of Hortaea werneckii.
PubMed:
A novel keratinase from Bacillus tequilensis strain Q7 with promising potential for the leather bating process.
PubMed:
Marine-derived fungi: diversity of enzymes and biotechnological applications.
PubMed:
Biodegradation of feather wastes and the purification and characterization of a concomitant keratinase from Paecilomyces lilacinus.
PubMed:
Keratinous waste decomposition and peptide production by keratinase from Geobacillus stearothermophilus AD-11.
PubMed:
Keratin degradation by bacteria and fungi isolated from a poultry farm and plumage.
PubMed:
Synergistic effect of reductase and keratinase for facile synthesis of protein-coated gold nanoparticles.
PubMed:
Degradation of intact chicken feathers by Thermoactinomyces sp. CDF and characterization of its keratinolytic protease.
PubMed:
Hydrolyzing proficiency of keratinases in feather degradation.
PubMed:
Nocardiopsis species as potential sources of diverse and novel extracellular enzymes.
PubMed:
Probing the crucial role of Leu31 and Thr33 of the Bacillus pumilus CBS alkaline protease in substrate recognition and enzymatic depilation of animal hide.
PubMed:
Biodegradation of hard keratins by two bacillus strains.
PubMed:
Digestive enzymes from workers and soldiers of termite Nasutitermes corniger.
PubMed:
Kinetic modelling of thermal inactivation of a keratinase from Purpureocillium lilacinum LPSC # 876 and the influence of some additives on its thermal stability.
PubMed:
Purification and characterization of keratinase from feather degrading bacterium useful for mosquito control--a new report.
PubMed:
Keratinolytic proteinase from Bacillus thuringiensis AD-12.
PubMed:
Capillary electrophoresis for total glycosaminoglycan analysis.
PubMed:
Comparative analysis of bacterial expression systems for keratinase production.
PubMed:
Multitrait plant growth promoting (PGP) rhizobacterial isolates from Brassica juncea rhizosphere : Keratin degradation and growth promotion.
PubMed:
Studies on PVA pectin cryogels containing crosslinked enzyme aggregates of keratinase.
PubMed:
Proteomic analysis of enzyme production by Bacillus licheniformis using different feather wastes as the sole fermentation media.
PubMed:
Efficient Degradation of Feather by Keratinase Producing Bacillus sp.
PubMed:
Nutritional capability of and substrate suitability for Pseudogymnoascus destructans, the causal agent of bat white-nose syndrome.
PubMed:
Biochemical and molecular characterization of a serine keratinase from Brevibacillus brevis US575 with promising keratin-biodegradation and hide-dehairing activities.
PubMed:
Purification and biochemical characterization of a detergent-stable keratinase from a newly thermophilic actinomycete Actinomadura keratinilytica strain Cpt29 isolated from poultry compost.
PubMed:
Efficacy of some synthesized thiazoles against dermatophytes.
PubMed:
Biotechnological applications and prospective market of microbial keratinases.
PubMed:
Microsporum fulvum IBRL SD3: as novel isolate for chicken feathers degradation.
PubMed:
Extraordinary denaturant tolerance of keratinolytic protease complex assemblies produced by Meiothermus ruber H328.
PubMed:
A current assessment on the production of bacterial keratinases.
PubMed:
Production and characterization of keratinolytic protease from new wool-degrading Bacillus species isolated from Egyptian ecosystem.
PubMed:
Enzymatic formulation capable of degrading scrapie prion under mild digestion conditions.
PubMed:
Nocardiopsis sp. SD5: a potent feather degrading rare actinobacterium isolated from feather waste in Tamil Nadu, India.
PubMed:
Metalloprotease genes of Trichophyton mentagrophytes are important for pathogenicity.
PubMed:
Isolation of digested sludge-assimilating fungal strains and their potential applications.
PubMed:
Study of the production of alkaline keratinases in submerged cultures as an alternative for solid waste treatment generated in leather technology.
PubMed:
Isolation and characterization of Keratinibaculum paraultunense gen. nov., sp. nov., a novel thermophilic, anaerobic bacterium with keratinolytic activity.
PubMed:
Biodegradation of wool waste and keratinase production in scale-up fermenter with different strategies by Stenotrophomonas maltophilia BBE11-1.
PubMed:
Wool-waste valorization: production of protein hydrolysate with high antioxidative potential by fermentation with a new keratinolytic bacterium, Bacillus pumilus A1.
PubMed:
Enhanced thermostability of keratinase by computational design and empirical mutation.
PubMed:
Immobilized keratinase and enrofloxacin loaded on pectin PVA cryogel patches for antimicrobial treatment.
PubMed:
Codon optimization significantly improves the expression level of a keratinase gene in Pichia pastoris.
PubMed:
Thermostable keratinase from Bacillus pumilus KS12: production, chitin crosslinking and degradation of Sup35NM aggregates.
PubMed:
Feather keratin hydrolysates obtained from microbial keratinases: effect on hair fiber.
PubMed:
Bioprocessing of "Hair Waste" by Paecilomyces lilacinus as a Source of a Bleach-Stable, Alkaline, and Thermostable Keratinase with Potential Application as a Laundry Detergent Additive: Characterization and Wash Performance Analysis.
PubMed:
Improvement of expression level of keratinase Sfp2 from Streptomyces fradiae by site-directed mutagenesis of its N-terminal pro-sequence.
PubMed:
Purification and characterization of an extracellular keratinolytic protease from a new isolate of Aspergillus parasiticus.
PubMed:
Inhibitory effect of linalool-rich essential oil from Lippia alba on the peptidase and keratinase activities of dermatophytes.
PubMed:
Production and characterization of thermostable metallo-keratinase from newly isolated Bacillus subtilis NRC 3.
PubMed:
Expression and characterization of extreme alkaline, oxidation-resistant keratinase from Bacillus licheniformis in recombinant Bacillus subtilis WB600 expression system and its application in wool fiber processing.
PubMed:
Expression of a keratinase (kerA) gene from Bacillus licheniformis in Escherichia coli and characterization of the recombinant enzymes.
PubMed:
Production of keratinolytic enzyme by an indigenous feather-degrading strain Bacillus cereus Wu2.
PubMed:
Nocardiopsis sp. SD5: A potent feather degrading rare actinobacterium isolated from feather waste in Tamil Nadu, India.
PubMed:
Keratinases and sulfide from Bacillus subtilis SLC to recycle feather waste.
PubMed:
Coupled action of γ-glutamyl transpeptidase-glutathione and keratinase effectively degrades feather keratin and surrogate prion protein, Sup 35NM.
PubMed:
Swapping of pro-sequences between keratinases of Bacillus licheniformis and Bacillus pumilus: altered substrate specificity and thermostability.
PubMed:
Isolation of Microsporum gypseum in soil samples from different geographical regions of brazil, evaluation of the extracellular proteolytic enzymes activities (keratinase and elastase) and molecular sequencing of selected strains.
PubMed:
Revisiting microbial keratinases: next generation proteases for sustainable biotechnology.
PubMed:
Isolation and characterization of feather degrading enzymes from Bacillus megaterium SN1 isolated from Ghazipur poultry waste site.
PubMed:
Biodegradation of keratinous waste by Chryseobacterium sp. RBT isolated from soil contaminated with poultry waste.
PubMed:
Immobilization of keratinolytic metalloprotease from Chryseobacterium sp. strain kr6 on glutaraldehyde-activated chitosan.
PubMed:
Keratinase production and biodegradation of whole chicken feather keratin by a newly isolated bacterium under submerged fermentation.
PubMed:
A comparative characterization of indigenous keratinase enzymes from district Khairpur, Sindh, Pakistan.
PubMed:
[The Black Sea bacteria--producers of hydrolytic enzymes].
PubMed:
Difference in keratinase activity of dermatophytes at different environmental conditions is an attribute of adaptation to parasitism.
PubMed:
Production of Proteolytic Enzymes by a Keratin-Degrading Aspergillus niger.
PubMed:
In vitro antifungal, anti-elastase and anti-keratinase activity of essential oils of Cinnamomum-, Syzygium- and Cymbopogon-species against Aspergillus fumigatus and Trichophyton rubrum.
PubMed:
Effects of keratinase supplementation of corn-soybean meal based diets on apparent ileal amino acid digestibility in growing pigs and serum amino acids, cytokines, immunoglobulin levels and loin muscle area in nursery pigs.
PubMed:
Keratinase Production by Three Bacillus spp. Using Feather Meal and Whole Feather as Substrate in a Submerged Fermentation.
PubMed:
High CJD infectivity remains after prion protein is destroyed.
PubMed:
Formulation of economical microbial feed using degraded chicken feathers by a novel Streptomyces sp: mitigation of environmental pollution.
PubMed:
Molecular characterization of N-terminal pro-sequence of keratinase Ker P from Pseudomonas aeruginosa: identification of region with chaperone activity.
PubMed:
Biodegradation of feather waste by extracellular keratinases and gelatinases from Bacillus spp.
PubMed:
Biodegradation of keratin waste: Theory and practical aspects.
PubMed:
Production and properties of keratinolytic proteases from three novel Gram-negative feather-degrading bacteria isolated from Brazilian soils.
PubMed:
[Clinical, diagnostic and therapeutic aspects of dermatophytosis].
PubMed:
Keratinolytic activity of purified alkaline keratinase produced by Scopulariopsis brevicaulis (Sacc.) and its amino acids profile.
PubMed:
Increased expression of keratinase and other peptidases by Candida parapsilosis mutants.
PubMed:
Optimal culture conditions for keratinase production by a novel thermophilic Myceliophthora thermophila strain GZUIFR-H49-1.
PubMed:
Biological treatment of chicken feather waste for improved biogas production.
PubMed:
Biochemical Characterization of a Thiol-Activated, Oxidation Stable Keratinase from Bacillus pumilus KS12.
PubMed:
Extracellular protease expression in Microsporum gypseum complex, its regulation and keratinolytic potential.
PubMed:
Keratinolytic activity from new recombinant fusant AYA2000, derived from endophytic Micromonospora strains.
PubMed:
Extracellular expression of keratinase Ker P from Pseudomonas aeruginosa in E. coli.
PubMed:
Key determinants affecting sheep wool biodegradation directed by a keratinase-producing Bacillus subtilis recombinant strain.
PubMed:
Purification and characterization of a thermostable keratinolytic serine alkaline proteinase from Streptomyces sp. strain AB1 with high stability in organic solvents.
PubMed:
Identification of a keratinase-producing bacterial strain and enzymatic study for its improvement on shrink resistance and tensile strength of wool- and polyester-blended fabric.
PubMed:
Extracellular expression of keratinase from Bacillus licheniformis ER-15 in Escherichia coli.
PubMed:
Insecticidal activity of two proteases against Spodoptera frugiperda larvae infected with recombinant baculoviruses.
PubMed:
[Screening and identification of a new Bacillus strain producing keratinase].
PubMed:
Substrate specificity characterization of a thermostable keratinase from Pseudomonas aeruginosa KS-1.
PubMed:
Degradation of native feathers by a novel keratinase-producing, thermophilic isolate, Brevibacillus thermoruber T1E.
PubMed:
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.
PubMed:
Purification and characterization of extreme alkaline, thermostable keratinase, and keratin disulfide reductase produced by Bacillus halodurans PPKS-2.
PubMed:
Feather degradation by strains of Bacillus isolated from decomposing feathers.
PubMed:
Biochemical features of microbial keratinases and their production and applications.
PubMed:
A novel serine metallokeratinase from a newly isolated Bacillus pumilus A1 grown on chicken feather meal: biochemical and molecular characterization.
PubMed:
Thermodynamics and kinetics of heat inactivation of a novel keratinase from Chryseobacterium sp. strain kr6.
PubMed:
Keratinolytic activity of Bacillus subtilis AMR using human hair.
PubMed:
Keratinase production by endophytic Penicillium spp. Morsy1 under solid-state fermentation using rice straw.
PubMed:
Purification and characterization of four keratinases produced by Streptomyces sp. strain 16 in native human foot skin medium.
PubMed:
Expression and purification of pseudomonas aeruginosa keratinase in Bacillus subtilis DB104 expression system.
PubMed:
Identification of a Candida parapsilosis strain producing extracellular serine peptidase with keratinolytic activity.
PubMed:
Production of keratinase by free and immobilized cells of Bacillus halodurans strain PPKS-2: partial characterization and its application in feather degradation and dehairing of the goat skin.
PubMed:
Alternative methods for disposal of spent laying hens: evaluation of the efficacy of grinding, mechanical deboning, and of keratinase in the rendering process.
PubMed:
Functional expression and characterization of keratinase from Pseudomonas aeruginosa in Pichia pastoris.
PubMed:
Polymer-assisted iron oxide magnetic nanoparticle immobilized keratinase.
PubMed:
Cloning, expression, and purification of Pseudomonas aeruginosa keratinase in Escherichia coli AD494(DE3)pLysS expression system.
PubMed:
Production and biochemical and molecular characterization of a keratinolytic serine protease from chicken feather-degrading Bacillus licheniformis RPk.
PubMed:
Growth, keratinolytic proteinase activity and thermotolerance of dermatophytes associated with alopecia in Uyo, Nigeria.
PubMed:
Medium optimization for keratinase production in hair substrate by a new Bacillus subtilis KD-N2 using response surface methodology.
PubMed:
[Keratinase of an anaerobic thermophilic bacterium Thermoanaerobacter sp. strain 1004-09 isolated from a hot spring in the Baikal Rift zone].
PubMed:
Sequential secretion of collagenolytic, elastolytic, and keratinolytic proteases in peptide-limited cultures of two Bacillus cereus strains isolated from wool.
PubMed:
Industrial application of keratinase and soluble proteins from feather keratins.
PubMed:
Influence of the carbon and nitrogen sources on keratinase production by Myrothecium verrucaria in submerged and solid state cultures.
PubMed:
Identification, antifungal susceptibility and scanning electron microscopy of a keratinolytic strain of Rhodotorula mucilaginosa: a primary causative agent of onychomycosis.
PubMed:
[Microbial keratinolytic enzymes].
PubMed:
Characterization of a novel Stenotrophomonas isolate with high keratinase activity and purification of the enzyme.
PubMed:
Processing of poultry feathers by alkaline keratin hydrolyzing enzyme from Serratia sp. HPC 1383.
PubMed:
Optimization of influential parameters for extracellular keratinase production by Bacillus subtilis (MTCC9102) in solid state fermentation using Horn meal--a biowaste management.
PubMed:
Purification and characterization of keratinase from recombinant Pichia and Bacillus strains.
PubMed:
Production, characterization and application of keratinase from Streptomyces gulbargensis.
PubMed:
Purification and characterization of keratinase from a new Bacillus subtilis strain.
PubMed:
[Glycopolymers of microorganisms: molecular relationship between structure, function, and biological activity].
PubMed:
Oil-removal enhancement in media with keratinous or chitinous wastes by hydrocarbon-degrading bacteria isolated from oil-polluted soils.
PubMed:
Cloned Bacillus subtilis alkaline protease (aprA) gene showing high level of keratinolytic activity.
PubMed:
Examining Trichophyton tonsurans genotype and biochemical phenotype as determinants of disease severity in tinea capitis.
PubMed:
Properties of a non collagen-degrading Bacillus subtilis keratinase.
PubMed:
A 25-kDa serine peptidase with keratinolytic activity secreted by Coccidioides immitis.
PubMed:
Characterization of a new keratinolytic Trichoderma atroviride strain F6 that completely degrades native chicken feather.
PubMed:
Keratinase production and keratin degradation by a mutant strain of Bacillus subtilis.
PubMed:
Sustained expression of keratinase gene under PxylA and PamyL promoters in the recombinant Bacillus megaterium MS941.
PubMed:
Purification and Characterization of a Keratinase from a Feather-Degrading Fungus, Aspergillus flavus Strain K-03.
PubMed:
Purification and characterization of three novel keratinolytic metalloproteases produced by Chryseobacterium indologenes TKU014 in a shrimp shell powder medium.
PubMed:
Optimization of keratinase production and enzyme activity using response surface methodology with Streptomyces sp7.
PubMed:
Nutritional regulation of keratinolytic activity in Bacillus pumilis.
PubMed:
Screening for a new Streptomyces strain capable of efficient keratin degradation.
PubMed:
Characterization of an alkaline active-thiol forming extracellular serine keratinase by the newly isolated Bacillus pumilus.
PubMed:
New feather-degrading filamentous fungi.
PubMed:
Cloning and expression of keratinase gene in Bacillus megaterium and optimization of fermentation conditions for the production of keratinase by recombinant strain.
PubMed:
Purification and characterization of an alkaline keratinase from Streptomyces sp.
PubMed:
Investigation of conditions involved in the susceptibility of the dermatophyte Trichophyton rubrum to photodynamic treatment.
PubMed:
Extracellular proteolytic activity and molecular analysis of Microsporum canis strains isolated from symptomatic and asymptomatic cats.
PubMed:
Reconstructed interfollicular feline epidermis as a model for Microsporum canis dermatophytosis.
PubMed:
Degradation of keratinous materials by the plant pathogenic fungus Myrothecium verrucaria.
PubMed:
Diffusion of protease into meat & bone meal for solubility improvement and potential inactivation of the BSE prion.
PubMed:
Characterization of a proteolytic enzyme derived from a Bacillus strain that effectively degrades prion protein.
PubMed:
Secretion of keratinolytic enzymes and keratinolysis by Scopulariopsis brevicaulis and Trichophyton mentagrophytes: regression analysis.
PubMed:
Purification and characterization of a keratinolytic metalloprotease from Chryseobacterium sp. kr6.
PubMed:
Purification and properties of a keratinolytic metalloprotease from Microbacterium sp.
PubMed:
An investigation into keratinolytic enzymes to enhance ungual drug delivery.
PubMed:
A novel keratinase from Clostridium sporogenes bv. pennavorans bv. nov., a thermotolerant organism isolated from solfataric muds.
PubMed:
Optimization of extracellular keratinase production by poultry farm isolate Scopulariopsis brevicaulis.
PubMed:
Degradation of PrP(Sc) by keratinolytic protease from Nocardiopsis sp. TOA-1.
PubMed:
Response surface methodology for the optimization of keratinase production in culture medium containing feathers produced by Kocuria rosea.
PubMed:
Thermophilic protease production by Streptomyces sp. 594 in submerged and solid-state fermentations using feather meal.
PubMed:
Isolation and characterization of a feather-degrading enzyme from Bacillus pseudofirmus FA30-01.
PubMed:
Microbial keratinases and their prospective applications: an overview.
PubMed:
Terrabacter terrae sp. nov., a novel actinomycete isolated from soil in Spain.
PubMed:
Characterization and enzymatic degradation of Sup35NM, a yeast prion-like protein.
PubMed:
[Substrate specificity of collagenase of Streptomyces sp. 1349 and keratinase of Streptomyces sp. 1382].
PubMed:
Similarities and specificities of fungal keratinolytic proteases: comparison of keratinases of Paecilomyces marquandii and Doratomyces microsporus to some known proteases.
PubMed:
WITHDRAWN: Actions of a fungal keratinase and reducing agents on the nail plate.
PubMed:
Versazyme supplementation of broiler diets improves market growth performance.
PubMed:
Immobilization of Keratinase from Aspergillus flavus K-03 for Degradation of Feather Keratin.
PubMed:
Keratinolytic potential of Bacillus licheniformis RG1: structural and biochemical mechanism of feather degradation.
PubMed:
Human intervertebral disc aggrecan inhibits endothelial cell adhesion and cell migration in vitro.
PubMed:
Chrysosporium chiropterorum sp. nov., isolated in France, resembling Chrysosporium state of Ajellomyces capsulatus (Histoplasma capsulatum).
PubMed:
Trichophyton rubrum isolated from aids and human immunodeficiency virus-infected patients in São Paulo, Brazil: antifungal susceptibility and extracellular enzyme production.
PubMed:
Development of an asporogenic Bacillus licheniformis for the production of keratinase.
PubMed:
Separation of 2-aminobenzoic acid-derivatized glycosaminoglycans and asparagine-linked glycans by capillary electrophoresis.
PubMed:
Characterization of a novel feather-degrading Bacillus sp. strain.
PubMed:
Novel keratinase from Bacillus subtilis S14 exhibiting remarkable dehairing capabilities.
PubMed:
Increased production of Bacillus keratinase by chromosomal integration of multiple copies of the kerA gene.
PubMed:
Determination of keratin degradation by fungi using keratin azure.
PubMed:
Influence of nutritional supplements on keratinolysis by Amycolatopsis keratinophila.
PubMed:
Characterization of a protease of a feather-degrading Microbacterium species.
PubMed:
[Purification and physico-chemical properties of Streptomyces sp. 1349 collagenase and Streptomyces sp. 1382 keratinase].
PubMed:
[Keratinolytic activity of Streptomyces sp. 1382].
PubMed:
Optimization of medium composition for keratinase production on feather by Bacillus licheniformis RG1 using statistical methods involving response surface methodology.
PubMed:
Humoral and cellular immune response to a Microsporum canis recombinant keratinolytic metalloprotease (r-MEP3) in experimentally infected guinea pigs.
PubMed:
Crystal structure of fervidolysin from Fervidobacterium pennivorans, a keratinolytic enzyme related to subtilisin.
PubMed:
A recombinant 31.5 kDa keratinase and a crude exo-antigen from Microsporum canis fail to protect against a homologous experimental infection in guinea pigs.
PubMed:
Enzymatic degradation of prion protein in brain stem from infected cattle and sheep.
PubMed:
Study of solar photosensitization processes on dermatophytic fungi.
PubMed:
Recombinant expression and antigenic properties of a 31.5-kDa keratinolytic subtilisin-like serine protease from Microsporum canis.
PubMed:
[Current trends in the study of microbial glycopolymers].
PubMed:
Keratinase in starter diets improves growth of broiler chicks.
PubMed:
Characterization of a new keratinolytic bacterium that completely degrades native feather keratin.
PubMed:
High diversity among feather-degrading bacteria from a dry meadow soil.
PubMed:
In vitro degradation of keratin by two species of Bacillus.
PubMed:
Bioimmobilization of keratinase using Bacillus subtilis and Escherichia coli systems.
PubMed:
Native-feather degradation by Fervidobacterium islandicum AW-1, a newly isolated keratinase-producing thermophilic anaerobe.
PubMed:
Isolation and characterization of a feather-degrading bacterium from the poultry processing industry.
PubMed:
Degradation of keratin substrates by fungi isolated from sewage sludge.
PubMed:
Performance of an ultraviolet light-emitting diode-induced fluorescence detector in capillary electrophoresis.
PubMed:
Trichophyton tonsurans exocellular protease expression: correlation with clinical presentation in tinea capitis.
PubMed:
Phenotypic characterization of Trichophyton rubrum isolates from two geographic locations in Brazil.
PubMed:
Molecular characterization of fervidolysin, a subtilisin-like serine protease from the thermophilic bacterium Fervidobacterium pennivorans.
PubMed:
Production of extracellular enzymes by Microsporum canis and their role in its virulence.
PubMed:
Purification and characterization of an alkaline serine endopeptidase from a feather-degrading Xanthomonas maltophilia strain.
PubMed:
Characterization of a keratinolytic metalloprotease from Bacillus sp. SCB-3.
PubMed:
Production, purification and characterization of an extracellular keratinase from Lysobacter NCIMB 9497.
PubMed:
[Screening of collagenase and keratinase producers].
PubMed:
Isolation of Thermoanaerobacter keratinophilus sp. nov., a novel thermophilic, anaerobic bacterium with keratinolytic activity.
PubMed:
Keratinolytic activity of five human isolates of the dermatophytes.
PubMed:
Bacterial inoculum enhances keratin degradation and biofilm formation in poultry compost.
PubMed:
Comparison of two hard keratinous substrates submitted to the action of a keratinase using an experimental design.
PubMed:
Partial purification and some biochemical characteristics of exocellular keratinase from Trichophyton mentagrophytes var. erinacei.
PubMed:
Polymorphic exocellular protease expression in clinical isolates of Trichophyton tonsurans.
PubMed:
Purification and characterization of a 43.5 kDa keratinolytic metalloprotease from Microsporum canis.
PubMed:
Exocellular enzyme activity of dermatophytes and other fungi isolated from ruminants in Southern Iraq.
PubMed:
Histochemical analyses of glycosaminoglycans in the synovial membrane of the canine knee joint.
PubMed:
Feather keratin hydrolysis by a Vibrio sp. strain kr2.
PubMed:
Subtilisins of Bacillus spp. hydrolyze keratin and allow growth on feathers.
PubMed:
Characterization of an extracellular keratinase from Microsporum canis.
PubMed:
Isolation and characterization of a novel feather-degrading bacterial strain.
PubMed:
Keratinase of Doratomyces microsporus.
PubMed:
Ruthenium hexaammine trichloride chemography for aggrecan mapping in cartilage is a sensitive indicator of matrix degradation.
PubMed:
Reidentification of the keratinase-producing facultatively alkaliphilic Bacillus sp. AH-101 as Bacillus halodurans.
PubMed:
A first order experimental design to assess soluble proteins released by a new keratinase from Doratomyces microsporus on human substrates.
PubMed:
Fermentation production of keratinase from Bacillus licheniformisPWD-1 and a recombinant B. subtilis FDB-29.
PubMed:
Isolation of Basidiobolus ranarum from ectotherms in Antwerp zoo with special reference to characterization of the isolated strains.
PubMed:
Isolation and partial characterisation of extracellular keratinase from a wool degrading thermophilic actinomycete strain Thermoactinomyces candidus.
PubMed:
Humoral and cellular immune response to a crude exo-antigen and purified keratinase of Microsporum canis in experimentally infected guinea pigs.
PubMed:
Exocellular proteases of Malbranchea gypsea and their role in keratin deterioration.
PubMed:
Purification and characterization of a keratinolytic serine proteinase from Streptomyces albidoflavus.
PubMed:
Purification and characterization of a 315 kDa keratinolytic subtilisin-like serine protease from Microsporum canis and evidence of its secretion in naturally infected cats.
PubMed:
Degradation of chicken feathers by Chrysosporium georgiae.
PubMed:
Histopathological pattern and humoral immune response to a crude exo-antigen and purified keratinase of Microsporum canis in symptomatic and asymptomatic infected cats.
PubMed:
The in vitro and in vivo production of a 31.5-kD keratinolytic subtilase from Microsporum canis and the clinical status in naturally infected cats.
PubMed:
Keratinolytic activity of Streptomyces sp. S.K1-02: a new isolated strain.
PubMed:
Extracellular enzyme activities of dermatophytes and yeast isolates on solid media.
PubMed:
Use of degenerate primers and heat-soaked polymerase chain reaction (PCR) to clone a serine protease antigen from Dermatophilus congolensis.
PubMed:
Expression of the Bacillus licheniformis PWD-1 keratinase gene in B. subtilis.
PubMed:
Mycological and some physiological studies of keratinophilic and other moulds associated with sheep wool.
PubMed:
Keratinolysis by poultry farm soil fungi.
PubMed:
Proteoglycans provide neurite guidance at an astrocyte boundary.
PubMed:
Characterization of an extracellular keratinase of Trichophyton simii and its role in keratin degradation.
PubMed:
Keratinolytic activity of Aspergillus fumigatus fresenius.
PubMed:
Hydrolysis of feather keratin by immobilized keratinase.
PubMed:
Distribution and characterization of proteoglycans associated with exfoliation material.
PubMed:
6B4 proteoglycan/phosphacan is a repulsive substratum but promotes morphological differentiation of cortical neurons.
PubMed:
Production and characterization of keratinase of a feather-degrading Bacillus licheniformis PWD-1.
PubMed:
Characterization of a keratinolytic serine proteinase from Streptomyces pactum DSM 40530.
PubMed:
Comparative studies on keratinase production of Trichophyton mentagrophytes strains of animal origin.
PubMed:
Nucleotide sequence and expression of kerA, the gene encoding a keratinolytic protease of Bacillus licheniformis PWD-1.
PubMed:
Characterization of proteoglycans synthesized by different layers of adult human femoral head cartilage.
PubMed:
Monoclonal antibodies to keratan sulfate immunolocalize ramified microglia in paraffin and cryostat sections of rat brain.
PubMed:
Purification and Characterization of a Keratinase from a Feather-Degrading Bacillus licheniformis Strain.
PubMed:
Purification and partial characterization of two extracellular keratinases of Scopulariopsis brevicaulis.
PubMed:
Some biochemical characteristics of a partially purified extracellular keratinase from Trichophyton schoenleinii.
PubMed:
Evaluation of keratinolytic potential of some fungal isolates from gelatin factory campus.
PubMed:
Proteinases of Streptomyces fradiae. III. Catalytic and some physico- chemical properties of keratinolytic proteinase.
PubMed:
A Collagenolytic Fungus, Cunninghamella elegans, for Biological Control of Plant-parasitic Nematodes.
PubMed:
Screening the keratinolytic activity of dermatophytes in vitro.
PubMed:
A large chondroitin sulfate basement membrane-associated proteoglycan exists as a disulfide-stabilized complex of several proteins.
PubMed:
Quantification of keratinolytic activity from Dermatophilus congolensis.
PubMed:
Feather keratin as a ligand in an affinity chromatographic technique for isolation of protease from Trichophyton verrucosum.
PubMed:
Detection of keratinolytic proteinase in skin tissues from guinea pigs infected with Microsporum canis by an immunoperoxidase technique.
PubMed:
Keratinase of a streptomycete.
PubMed:
Analysis of the proteolytic degradation products of hyaline cartilage proteoglycans.
PubMed:
Does chondroitin sulfate have a role to play in the morphogenesis of the chick primary corneal stroma?
PubMed:
[Biochemical properties of Polish and standard strains of Trichophyton equinum].
PubMed:
Detection of circulating antibodies to purified keratinolytic proteinase in sera from guinea pigs infected with Microsporum canis by enzyme-linked immunosorbent assay.
PubMed:
A new keratinolytic proteinase from clinical isolates of Trichophyton mentagrophytes.
PubMed:
Intracellular keratinase of Trichophyton gallinae.
PubMed:
Isolation, purification and characterization of keratinolytic proteinase from Microsporum canis.
PubMed:
Further characterization of the glycoproteins and glycosaminoglycans released from TA3 murine adenocarcinoma cells in culture.
PubMed:
A specific inhibitor of keratinolytic proteinase from Candida albicans could inhibit the cell growth of C. albicans.
PubMed:
Purification and characterization of keratin hydrolase in psoriatic epidermis: application of keratin-agarose plate and keratin-polyacrylamide enzymography methods.
PubMed:
Characterisation of isolates of Pseudomonas aeruginosa from sheep.
PubMed:
Studies of the low-molecular-weight keratinase inhibitor of human epidermis.
PubMed:
[The isolation and identification of microorganisms capable of using agricultural wastes resistant to enzymatic degradation].
PubMed:
Partial characterization of the extracellular keratinase from Microsporum canis.
PubMed:
Keratinolytic proteinase produced by Candida albicans.
PubMed:
Immunological studies of an extra-cellular keratinase.
PubMed:
The in vitro degradation of peacock feathers by some fungi.
PubMed:
Immunology of dermatophytosis. Experimental study.
PubMed:
[Biochemical properties of keratinolytic proteinases produced by Candida albicans].
PubMed:
Isolation of an extracellular proteinase (keratinase) from Microsporum canis.
PubMed:
Effect of undecanoic acid on the production of exocellular lipolytic and keratinolytic enzymes by undecanoic acid-sensitive and -resistant strains of Trichophyton rubrum.
PubMed:
[The production of antibodies to an extracellular keratinase of microsporum canis (author's transl)].
PubMed:
[The effect of keratinase on human epidermis, especially on stratum corneum (author's transl)].
PubMed:
Collagenase production by nematode-trapping fungi.
PubMed:
Control of exocellular proteases in dermatophytes and especially Trichophyton rubrum.
PubMed:
[Isolation, purification and biochemical properties of keratinase elaborated from Microsporum gypseum (author's transl)].
PubMed:
Role of keratinases in dermatophytosis. IV. Reactivities of sera from guinea pigs with heat-inactivated keratinase II.
PubMed:
The substrate specificity of thermomycolase, an extracellular serine proteinase from the thermophilic fungus Malbranchea pulchella var. sulfurea.
PubMed:
Degradation of feather keratin by culture filtrates of Streptomyces fradiae.
PubMed:
Phosphate-mediated alteration of the Microsporum gypseum germination protease specificity for substrate: enhanced keratinase activity.
PubMed:
[Studies on productive activity of a keratinase in Microsporum gypseum (author's transl)].
PubMed:
Role of keratinases in dermatophytosis. II. Fluorescent antibody studies with keratinase II of Trichophyton mentagrophytes.
PubMed:
Amino acid composition and specificity of a keratinase of Trichophyton mentagrophytes.
PubMed:
Hair digestion by a keratinase of Trichophyton mentagrophytes.
PubMed:
Isolation and purification of an extracellular keratinase of Trichophyton mentagrophytes.
PubMed:
[Ectoenzymes of the dermatophytes. II. pH dependency of the activity and substrate specificity, with special consideration of o-phosphoric acid monoester-phosphohydrolase as well as proteinases and keratinase].
PubMed:
KERATINASE. II. PROPERTIES OF THE CRYSTALLINE ENZYME.
PubMed:
KERATINASE. I. PROPERTIES OF THE ENZYME CONJUGATED ELABORATED BY STREPTOMYCES FRADIAE.
PubMed:
THE EFFECT OF KERATINASE ON HUMAN EPIDERMIS.