Keratinases are exciting proteolytic enzymes that display the capability to degrade the
insoluble protein keratin. These enzymes are produced by diverse microorganisms …

The search for novel renewable products over synthetics hallmarked this decade and those
of the recent past. Most economies that are prospecting on biodiversity for improved bio …

The environment is under constant threat due to the huge accumulation of the keratinaceous
wastes produced by poultry processing industries and poultry farms. Millions of tons of …

The leather industry earns special attention because of its strong potential for foreign
exchange earnings and employment generation prospects. This industry has developed …

Keratinolytic proteases are microbial enzymes that hydrolyze keratins, recalcitrant proteins
found in the epidermis and epidermal appendages of vertebrates. Keratin-rich materials are …

Highlights•Feather keratin hydrolysates were produced with Chryseobacterium sp.
kr6.•Elevated amounts of soluble protein were obtained for cultivation with 75 gl− 1 …

The use of biotechnology by tanneries has increased in recent years. Enzymes can be
applied during different steps of the leather production process: soaking, dehairing, bating …

Bacillus subtilis P13, an isolate from Vajreshwari hot springs near Mumbai, India, produces
an extracellular serine protease that catalyses dehairing of hides as well as feather …

Tyrophagus putrescentiae (Schrank, 1781) is an emerging source of allergens in stored
products and homes. Feces proteases are the major allergens of astigmatid mites (Acari …

Purpose This study explored diverse substrates/co-substrates to optimize protease
production by Bacillus sp. CL18, and examined bioactivities in optimized medium. Methods …