نتایج جستجو برای: keratinases
تعداد نتایج: 57 فیلتر نتایج به سال:
The main keratinase (kerA) gene from the Bacillus licheniformis S90 was optimized by two codon optimization strategies and expressed in Pichia pastoris in order to improve the enzyme production compared to the preparations with the native kerA gene. The results showed that the corresponding mutations (synonymous codons) according to the codon bias in Pichia pastoris were successfully introduced...
The etiologic agents of the dermatophytoses (ringworm) are classified in three anamorphic (asexual or imperfect) genera, Epidermophyton, Microsporum, and Trichophyton. Species capable of reproducing sexually belong in the teleomorphic genus, Arthroderma, of the Ascomycota. On the basis of primary habitat association, they may be grouped as geophilic (soil associated), zoophilic, and anthropophi...
The sapB gene, encoding Bacillus pumilus CBS protease, and seven mutated genes (sapB-L31I, sapB-T33S, sapB-N99Y, sapB-L31I/T33S, sapB-L31I/N99Y, sapB-T33S/N99Y, and sapB-L31I/T33S/N99Y) were overexpressed in protease-deficient Bacillus subtilis DB430 and purified to homogeneity. SAPB-N99Y and rSAPB displayed the highest levels of keratinolytic activity, hydrolysis efficiency, and enzymatic depi...
BACKGROUND Extensive quantities of keratinic by-products are disposed annually by animal-processing industry, causing a mounting ecological problem due to extreme resilience of these materials to enzymatic breakdown. There is a growing trend to apply cheap and environment-friendly methods to recycle keratinic wastes. Soil bacteria of profound keratinolytic potential, especially spore-forming ro...
Trichophyton rubrum is the most common dermatophyte of humans and normally colonizes the superficial layers of the epidermis (stratum corneum). Several proteinases with a possible role in the metabolism of host proteins have been purified from this fungus. The regulation of these enzymes and their role in fungal metabolism were studied at the biochemical level. General proteolytic (azocollytic)...
Coccidioides immitis and C. posadasii are pathogenic, dimorphic, soil-dwelling Ascomycetes in the Onygenales order. On average, both Coccidioides species have 29 Mb haploid genomes, containing approximately 10,000 open reading frames (ORFs) on five chromosomes [1]. Coccidioides’most recent common ancestor underwent gene family expansions for proteases and keratinases, membrane biology genes, an...
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