Degradation of keratin biomass by different microorganisms

IA Adelere, A Lateef - Keratin as a Protein Biopolymer: Extraction from …, 2019 - Springer
Keratins are insoluble, fibrous, and structural proteins that are present in the epidermis and
its appendages and these include feather, hair, wool, nail, hoof, and horns. Keratins adhere …

Simultaneous hydrolysis of various protein-rich industrial wastes by a naturally evolved protease from tannery wastewater microbiota

S Ariaeenejad, K Kavousi, ASA Mamaghani… - Science of The Total …, 2022 - Elsevier
Elimination of protein-rich waste materials is one of the vital environmental protection
requirements. Using of non-naturally occurring chemicals for their remediation properties …

Feathers as bioresource: microbial conversion into bioactive protein hydrolysates

K Callegaro, N Welter, DJ Daroit - Process biochemistry, 2018 - Elsevier
Feathers are recalcitrant protein-rich by-products generated by the poultry agro-industry,
and valorization of residual biomasses from industrial processing is increasingly focused …

Evaluation of by-products from agricultural, livestock and fishing industries as nutrient source for the production of proteolytic enzymes

A Sisa, C Sotomayor, L Buitrón, J Gómez-Estaca… - Heliyon, 2023 - cell.com
This study presents an approach that utilizes low-value agro-industrial by-products as
culture media for producing high-value proteolytic enzymes. The objective was to assess the …

Feather hydrolysate as a promising nitrogen-rich fertilizer for greenhouse lettuce cultivation

L Sobucki, RF Ramos, E Gubiani, G Brunetto… - International Journal of …, 2019 - Springer
Purpose Poultry agro-industry generates huge amounts of solid wastes, such as poultry litter
(PL) and feathers. Feathers, possessing a substantial amount of organic nitrogen, are mainly …

Heterologous expression and purification of keratinase from Actinomadura viridilutea DZ50: feather biodegradation and animal hide dehairing bioprocesses

M Ben Elhoul, N Zaraî Jaouadi, K Bouacem… - … Science and Pollution …, 2021 - Springer
The keratin-degrading bacterium Actinomadura viridilutea DZ50 secretes a keratinase
(KERDZ) with potential industrial interest. Here, the ker DZ gene was extracellularly …

Microbial degradation of poultry feather biomass in a constructed bioreactor and application of hydrolysate as bioenhancer to vegetable crops

R Gurav, V Nalavade, C Aware, G Vyavahare… - … Science and Pollution …, 2020 - Springer
Bioconversion of recalcitrant keratinous biomass is one of the greatest ways to utilize
products of feather hydrolysis and recycle them into bionetwork. Present study revealed 87 …

Bioconversion of Fish Scales and Feather Wastes by Bacillus sp. CL18 to Obtain Protease and Bioactive Hydrolysates

B da Silva Bernardo, BW Kopplin, DJ Daroit - Waste and Biomass …, 2023 - Springer
Purpose This study explored diverse substrates/co-substrates to optimize protease
production by Bacillus sp. CL18, and examined bioactivities in optimized medium. Methods …

Optimization of protease production by Bacillus cereus HMRSC30 for simultaneous extraction of chitin from shrimp shell with value-added recovered products

HAA Cahyaningtyas, W Suyotha, B Cheirsilp… - … Science and Pollution …, 2022 - Springer
Chitin extraction from shrimp shell powder (SSP) using protease-producing microbes is an
attractive approach for valorizing shrimp shell waste because it is simple and …

Comprehensive insights into the mechanism of keratin degradation and exploitation of keratinase to enhance the bioaccessibility of soybean protein

B Zhou, Y Guo, Y Xue, X Ji, Y Huang - Biotechnology for Biofuels and …, 2023 - Springer
Keratin is a recalcitrant protein and can be decomposed in nature. However, the mechanism
of keratin degradation is still not well understood. In this study, Bacillus sp. 8A6 can …