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2023 ◽  
Vol 83 ◽  
Author(s):  
S. Masood ◽  
A. Hussain ◽  
A. Javid ◽  
S. M. Bukahri ◽  
W. Ali ◽  
...  

Abstract Poultry industry is expanding rapidly and producing million tons of feather waste annually. Massive production of keratinaceous byproducts in the form of industrial wastes throughout the world necessitates its justified utilization. Chemical treatment of keratin waste is proclaimed as an eco-destructive approach by various researchers since it generates secondary pollutants. Keratinase released by a variety of microbes (bacteria and fungi) can be used for the effective treatment of keratin waste. Microbial degradation of keratin waste is an emerging and eco-friendly approach and offers dual benefits, i.e., treatment of recalcitrant pollutant (keratin) and procurement of a commercially important enzyme (keratinase). This study involves the isolation, characterization, and potential utility of fungal species for the degradation of chicken-feather waste through submerged and solid-state fermentation. The isolated fungus was identified and characterized as Aspergillus (A.) flavus. In a trial of 30 days, it was appeared that 74 and 8% feather weight was reduced through sub-merged and solid-state fermentation, respectively by A. flavus. The pH of the growth media in submerged fermentation was changed from 4.8 to 8.35. The exploited application of keratinolytic microbes is, therefore, recommended for the treatment of keratinaceous wastes to achieve dual benefits of remediation.


2022 ◽  
Vol 210 ◽  
pp. 114475
Author(s):  
Ziqi Zhang ◽  
Chuang Yu ◽  
Ruonan Xu ◽  
Linfeng Peng ◽  
Haotian Ren ◽  
...  

2022 ◽  
Vol 376 ◽  
pp. 115848
Author(s):  
Gaku Shirota ◽  
Akira Nasu ◽  
Minako Deguchi ◽  
Atsushi Sakuda ◽  
Masahiro Tatsumisago ◽  
...  

2022 ◽  
Vol 26 ◽  
pp. 101282
Author(s):  
León Romano Brandt ◽  
Kazunori Nishio ◽  
Enrico Salvati ◽  
Kevin P. Simon ◽  
Chrysanthi Papadaki ◽  
...  

2022 ◽  
Vol 896 ◽  
pp. 163084
Author(s):  
Rui Gu ◽  
Jingrui Kang ◽  
Xu Guo ◽  
Jing Li ◽  
Kun Yu ◽  
...  

2022 ◽  
Vol 243 ◽  
pp. 118650
Author(s):  
Sayed Ali Khan ◽  
Noor Zamin Khan ◽  
Yinong Xie ◽  
Muhammad Rauf ◽  
Ikhtisham Mehmood ◽  
...  

2022 ◽  
Vol 48 ◽  
pp. 103842
Author(s):  
L. Cabras ◽  
D. Danilov ◽  
W. Subber ◽  
V. Oancea ◽  
A. Salvadori

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