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Santos MMF, Grisi CVB, Madruga MS, Silva FAP. Nutritional and technological potential of chicken feathers for the food industry. Br Poult Sci 2024:1-8. [PMID: 38995227 DOI: 10.1080/00071668.2024.2365859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 05/10/2024] [Indexed: 07/13/2024]
Abstract
1. The production of chicken meat has resulted in high volumes of byproducts, such as feathers, bones, skin, viscera, and feet. The structure of feathers is one of the most complex among vertebrates, with a central axis and lateral filamentary structures, providing rigidity, lightness, and flexibility. Chicken feathers are composed of proteins, lipids, and water, with the highest protein content, especially keratin, which is responsible for the material's rigidity.2. Industries still make little use of feathers, which are generally intended for the production of flour or organic fertilisers. These are low added value products, and discarded feathers can harm the environment.3. Keratin extraction techniques and resulting protein hydrolysates have been studied in chicken feathers. Acid, alkaline or enzymatic hydrolysis is the most commonly used method for obtaining molecules with functional properties such as antioxidant, antimicrobial, antihypertensive and antidiabetic activity.4. The development of keratin-based biodegradable films represents an area of interest for reducing the economic and environmental impacts caused by inappropriate disposal of feathers.
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Affiliation(s)
- M M F Santos
- Technology Department, State University of Feira de Santana, Feira de Santana, Brazil
- Postgraduate Program in Agrifood Technology, Federal University of Paraiba, Bananeiras, Brazil
| | - C V B Grisi
- Postgraduate Program in Agrifood Technology, Federal University of Paraiba, Bananeiras, Brazil
| | - M S Madruga
- Postgraduate Program in Food Science and Technology, Federal University of Paraiba, Campus Universitario I, João Pessoa, Brazil
| | - F A P Silva
- Postgraduate Program in Agrifood Technology, Federal University of Paraiba, Bananeiras, Brazil
- Postgraduate Program in Food Science and Technology, Federal University of Paraiba, Campus Universitario I, João Pessoa, Brazil
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2
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Rama GR, Saraiva Macedo Timmers LF, Volken de Souza CF. In Silico Strategies to Predict Anti-aging Features of Whey Peptides. Mol Biotechnol 2023:10.1007/s12033-023-00887-9. [PMID: 37737930 DOI: 10.1007/s12033-023-00887-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/01/2023] [Indexed: 09/23/2023]
Abstract
We have analysed the in silico potential of bioactive peptides from cheese whey, the most relevant by-product from the dairy industry, to bind into the active site of collagenase and elastase. The peptides generated from the hydrolysis of bovine β-lactoglobulin with three proteases (trypsin, chymotrypsin, and subtilisin) were docked onto collagenase and elastase by molecular docking. The interaction models were ranked according to their free binding energy using molecular dynamics simulations, which showed that most complexes presented favourable interactions. Interactions with elastase had significantly lower binding energies than those with collagenase. Regarding the interaction site, it was found that four bioactive peptides were positioned in collagenase's active site, while six were found in elastase's active site. Among these, the most we have found one promising collagen-binding peptide produced by chymotrypsin and two for elastase, produced by subtilisin and chymotrypsin. These in silico results can be used as a tool for designing further experiments aiming at testing the in vitro potential of the peptides found in this work.
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Affiliation(s)
- Gabriela Rabaioli Rama
- Graduate Program in Biotechnology, University of Vale do Taquari-Univates, Av. Avelino Tallini, 171, Lajeado, RS, 95914-014, Brazil
| | | | - Claucia Fernanda Volken de Souza
- Graduate Program in Biotechnology, University of Vale do Taquari-Univates, Av. Avelino Tallini, 171, Lajeado, RS, 95914-014, Brazil.
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3
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Xu Y, Hu K, Liu C, Du P, Zhou F, Lu Y, Fu Q, Xu J, Lyu G. Eschar dissolution and the immunoregulator effect of keratinase on burn wounds. Sci Rep 2023; 13:13238. [PMID: 37580372 PMCID: PMC10425458 DOI: 10.1038/s41598-023-39765-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 07/30/2023] [Indexed: 08/16/2023] Open
Abstract
At present, enzyme debridement preparation has shown a good curative effect on eschar removal of burn wounds. Keratinase has shown great potential in enzymatic debridement because of its good fibrin-degrading ability. In this study, the debridement of keratinase was examined by using a third degree burn wound model in rats. We observed the wound, and keratinase shortened the time of eschar dissolution after debridement. Histopathology and immunofluorescence staining showed that the eschar in the keratinase group became thinner, inflammatory cell infiltration in the wound increased, the fluorescence intensity of the macrophage surface marker CD68 increased, and the CD163/CD86 ratio increased. In bone marrow-derived macrophages (BMDMs), there was no significant difference in the activity of CCK-8 in cells in the keratinase group compared with the control group. The fluorescence intensity of the keratinase group was higher than that of the control group. At 12 h, the cell scratches were obviously closed. The number of migrated Transwell cells increased. Flow cytometry and immunofluorescence analysis showed increased expression of CD206 and Arg-1 and decreased expression of CD86 and iNOS. The gene expression of the Arg-1, iNOS and IL-10 was increased, as shown by qPCR. The secretion of IL-10 was increased and TNF-α was decreased, as shown by ELISA. We concluded that keratinase dissolution of eschar not only has a hydrolytic effect on eschar but may also affect immune regulation to enhance the migration and phagocytosis of macrophages, promote the polarization of macrophages, and further enhance the effect of eschar dissolution. Therefore, keratinase may have good prospects for the debridement of burn wounds.
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Affiliation(s)
- Yan Xu
- Wuxi Clinical Medical College of Nanjing University of Traditional Chinese Medicine, Wuxi, 214041, China
- Affiliated Hospital of Jiangnan University, Wuxi, 214041, China
| | - Kai Hu
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Chenyang Liu
- Affiliated Hospital of Jiangnan University, Wuxi, 214041, China
| | - Pan Du
- Jiangnan University, Wuxi, 214122, China
| | - Feifan Zhou
- Medical College of Nantong University, Nantong, 226000, China
| | - Yichi Lu
- Jiangnan University, Wuxi, 214122, China
| | - Qiuyan Fu
- Jiangnan University, Wuxi, 214122, China
| | - Jianmin Xu
- Affiliated Hospital of Jiangnan University, Wuxi, 214041, China.
| | - Guozhong Lyu
- Affiliated Hospital of Jiangnan University, Wuxi, 214041, China.
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Sasikanth V, Meganathan B, Rathinavel T, Seshachalam S, Nallappa H, Gopi B. General overview of biopolymers: structure and properties. PHYSICAL SCIENCES REVIEWS 2023. [DOI: 10.1515/psr-2022-0214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Abstract
Biopolymers are synthesized from a biological origin under natural phenomenon especially during their growth cycle, in the form of polymeric substances that portrays excellent properties such as flexibility, tensile strength, steadiness, reusability, and so on. The amalgamated form of two or more biopolymers leads to the formation of “biocomposites” with novel applications. Several mechanisms were identified for the effective production of biopolymers from diverse life forms such as microbial origin plant and animal origin. Based on their origin, biopolymer differs in their structure and functions. Biopolymers are preferred over chemically synthesized polymers due to their biodegradability and their impact on the environment. Biopolymers play a pivotal role in pharmaceutical industries. The biopolymers could be employed for, the administration of medicine as well as regenerative medicine to reach minimal immunogenicity and maximum pharmacological expressivity in a treated individual. Based on their properties biopolymers were exclusively used in medical devices, cosmaceuticals, and confectionaries, it is also used as additives in food industries, bio-sensors, textile industries, and wastewater treatment plants. Ecological support is of utmost concern nowadays due to the ever-expanding ramification over the planet by usage of plastic as packaging material, turning up scientists and researchers to focus on biodegradable biopolymer utilization. The miscibility-structural-property relation between every biopolymer must be focused on to improve the better environment. Specific biopolymers are designed for the betterment of agrarian and commoners of society. Advanced structural modifications, properties of biopolymers, and applications of biopolymers to achieve a greener environment were discussed in this chapter.
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Affiliation(s)
- Vasuki Sasikanth
- Department of Biotechnology , Sona College of Arts and Science , Salem , 636 005 , India
| | | | | | - Sindhu Seshachalam
- Department of Biotechnology , Sona College of Arts and Science , Salem , 636 005 , India
| | - Harini Nallappa
- Department of Biotechnology , Sona College of Arts and Science , Salem , 636 005 , India
| | - Brindha Gopi
- Department of Biotechnology , Sona College of Arts and Science , Salem , 636 005 , India
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Preparation Methods and Functional Characteristics of Regenerated Keratin-Based Biofilms. Polymers (Basel) 2022; 14:polym14214723. [DOI: 10.3390/polym14214723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/29/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
The recycling, development, and application of keratin-containing waste (e.g., hair, wool, feather, and so on) provide an important means to address related environmental pollution and energy shortage issues. The extraction of keratin and the development of keratin-based functional materials are key to solving keratin-containing waste pollution. Keratin-based biofilms are gaining substantial interest due to their excellent characteristics, such as good biocompatibility, high biodegradability, appropriate adsorption, and rich renewable sources, among others. At present, keratin-based biofilms are a good option for various applications, and the development of keratin-based biofilms from keratin-containing waste is considered crucial for sustainable development. In this paper, in order to achieve clean production while maintaining the functional characteristics of natural keratin as much as possible, four important keratin extraction methods—thermal hydrolysis, ultrasonic technology, eco-friendly solvent system, and microbial decomposition—are described, and the characteristics of these four extraction methods are analysed. Next, methods for the preparation of keratin-based biofilms are introduced, including solvent casting, electrospinning, template self-assembly, freeze-drying, and soft lithography methods. Then, the functional properties and application prospects of keratin-based biofilms are discussed. Finally, future research directions related to keratin-based biofilms are proposed. Overall, it can be concluded that the high-value conversion of keratin-containing waste into regenerated keratin-based biofilms has great importance for sustainable development and is highly suggested due to their great potential for use in biomedical materials, optoelectronic devices, and metal ion detection applications. It is hoped that this paper can provide some basic information for the development and application of keratin-based biofilms.
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Lee J, Hong H, Lee J, Hong Y, Hwang HW, Jin H, Shim H, Hong Y, Park W, Chung J, Lee D. Valorization of leftover green tea residues through conversion to bioactive peptides using probiotics-aided anaerobic digestion. Microb Biotechnol 2022; 16:418-431. [PMID: 36285915 PMCID: PMC9871527 DOI: 10.1111/1751-7915.14155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/16/2022] [Accepted: 09/20/2022] [Indexed: 01/27/2023] Open
Abstract
Bioactive peptides (BPs) are protein fragments that benefit human health. To assess whether leftover green tea residues (GTRs) can serve as a resource for new BPs, we performed in silico proteolysis of GTRs using the BIOPEP database, revealing a wide range of BPs embedded in GTRs. Comparative genomics and the percentage of conserved protein analyses enabled us to select a few probiotic strains for GTR hydrolysis. The selected probiotics digested GTRs anaerobically to yield GTR-derived peptide fractions. To examine whether green tea (GT) peptide fractions could be potential mediators of host-microbe interactions, we comprehensively screened agonistic and antagonistic activities of 168 human G protein-coupled receptors (GPCRs). NanoLC-MS/MS analysis and thin-layer chromatography allowed the identification of peptide sequences and the composition of glycan moieties in the GTRs. Remarkably, GT peptide fractions produced by Lactiplantibacillus plantarum APsulloc 331261, a strain isolated from GT, showed a potent-binding activity for P2RY6, a GPCR involved in intestinal homeostasis. Therefore, this study suggests the potential use of probiotics-aided GTR hydrolysates as postbiotic BPs, providing a biological process for recycling GTRs from agro-waste into renewable resources as health-promoting BPs.
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Affiliation(s)
- Ji‐Young Lee
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea
| | - Hyein Hong
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea
| | - Jae‐Eun Lee
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea
| | - Yi‐Jee Hong
- Department of Bioindustrial EngineeringYonsei UniversitySeoulSouth Korea
| | - Hye Won Hwang
- Department of Bioindustrial EngineeringYonsei UniversitySeoulSouth Korea
| | - Hyeon‐Su Jin
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea
| | - Hyunkyou Shim
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea
| | | | | | | | - Dong‐Woo Lee
- Department of BiotechnologyYonsei UniversitySeoulSouth Korea,Department of Bioindustrial EngineeringYonsei UniversitySeoulSouth Korea
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Chen H, Yang T, Shen Z, Yang E, Liu K, Wang H, Chen J, Sanjaya EH, Wu S. Can digestate recirculation promote biohythane production from two-stage co-digestion of rice straw and pig manure? JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 319:115655. [PMID: 35839651 DOI: 10.1016/j.jenvman.2022.115655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/05/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Digestate recirculation is often considered an important way to improve system stability (system acidification, ammonia inhibition, hydrolysis limitations, etc.) and gas production performance. However, it is not clear how the promotion of biohythane production works in anaerobic co-digestion with digestate recirculation of rice straw (RS) and pig manure (PM). Two sets of laboratory-scale two-stage continuous stirred tank reactors were operated continuously for 95 d to investigate the performance of biohythane production in the first/second phase under mesophilic (M)/thermophilic (T) and digestate recirculation conditions. Firstly, biohythane was not produced by PM with RS under digestate recirculation. The main reasons were: 1) Digestive recirculation promoted the growth of hydrogenotrophic methanogenic bacteria; and 2) limitations in hydrolysis. Secondly, digestate recirculation has positive effects on the removal rates (removal rates of TS, VS, polysaccharide, protein and TCOD increased by 30.4%, 22.3%, 9.9%, 31.4%, and 11.9%, respectively) and energy yield (up to 68.7%). Finally, there was a higher abundance of hydrogen-producing bacteria (Fervidobacterium [44.9%] and Coprothermobacter [18.8%]) in T2, accounting for >80% of the total, and of which the huge hydrogen production potential cannot be ignored. The results provide new ideas for alleviating the energy crisis and developing green energy in the future.
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Affiliation(s)
- Hong Chen
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | - Tao Yang
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | - Zhiqiang Shen
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing, 100012, China
| | - Enzhe Yang
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | - Ke Liu
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | - Hong Wang
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | - Jing Chen
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China
| | | | - Sha Wu
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, 410004, China; Key Laboratory of Water-Sediment Sciences and Water Disaster Prevention of Hunan Province, Changsha, 410114, China.
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8
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Valorization of Livestock Keratin Waste: Application in Agricultural Fields. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116681. [PMID: 35682267 PMCID: PMC9180014 DOI: 10.3390/ijerph19116681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 01/25/2023]
Abstract
Livestock keratin waste is a rich source of protein. However, the unique structure of livestock keratin waste makes its valorization a great challenge. This paper reviews the main methods for the valorization of livestock keratin waste, which include chemical, biological, and other novel methods, and summarizes the main agricultural applications of keratin-based material. Livestock keratin waste is mainly used as animal feed and fertilizer. However, it has promising potential for biosorbents and in other fields. In the future, researchers should focus on the biological extraction and carbonization methods of processing and keratin-based biosorbents for the soil remediation of farmland.
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Zhang J, Su C, Kong XL, Gong JS, Liu YL, Li H, Qin J, Xu ZH, Shi JS. Directed evolution driving the generation of an efficient keratinase variant to facilitate the feather degradation. BIORESOUR BIOPROCESS 2022; 9:38. [PMID: 38647843 PMCID: PMC10992214 DOI: 10.1186/s40643-022-00524-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 03/12/2022] [Indexed: 11/10/2022] Open
Abstract
Keratinases can specifically degrade keratins, which widely exist in hair, horns, claws and human skin. There is a great interest in developing keratinase to manage keratin waste generated by the poultry industry and reusing keratin products in agriculture, medical treatment and feed industries. Degradation of keratin waste by keratinase is more environmentally friendly and more sustainable compared with chemical and physical methods. However, the wild-type keratinase-producing strains usually cannot meet the requirements of industrial production, and some are pathogenic, limiting their development and utilization. The main purpose of this study is to improve the catalytic performance of keratinase via directed evolution technology for the degradation of feathers. We first constructed a mutant library through error-prone PCR and screened variants with enhanced enzyme activity. The keratinase activity was further improved through fermentation conditions optimization and fed-batch strategies in a 7-L bioreactor. As a result, nine mutants with enhanced activity were identified and the highest enzyme activity was improved from 1150 to 8448 U/mL finally. The mutant achieved efficient biodegradation of feathers, increasing the degradation rate from 49 to 88%. Moreover, a large number of amino acids and soluble peptides were obtained as degradation products, which were excellent protein resources to feed. Therefore, the study provided a keratinase mutant with application potential in the management of feather waste and preparation of protein feed additive.
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Affiliation(s)
- Jing Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
- Jiangsu Provincial Engineering Research Center for Bioactive Product Processing, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Chang Su
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China
| | - Xiao-Li Kong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China
| | - Jin-Song Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China.
| | - Yan-Lin Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China
| | - Heng Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China
| | - Jiufu Qin
- Science Center for Future Foods, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Zheng-Hong Xu
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
- Jiangsu Provincial Engineering Research Center for Bioactive Product Processing, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Jin-Song Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Lihu Avenue No. 1800, Wuxi, 214122, People's Republic of China.
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Romero-Garay MG, Montalvo-González E, Hernández-González C, Soto-Domínguez A, Becerra-Verdín EM, De Lourdes García-Magaña M. Bioactivity of peptides obtained from poultry by-products: A review. Food Chem X 2022; 13:100181. [PMID: 35498958 PMCID: PMC9039914 DOI: 10.1016/j.fochx.2021.100181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 10/26/2022] Open
Abstract
The production and consumption of poultry products (chicken, duck, and turkey) are continually growing throughout the world, leading to the generation of thousands of tons of organic by-products, which may be important sources of bioactive peptides. The bioactive peptides isolated from poultry by-products have biological properties that can be useful in the prevention of different metabolic diseases and hence, their consumption could be beneficial for human health. Such peptides can be used as nutraceuticals, and their inclusion as active components of functional food products is increasingly gaining attention. The aim of this review was to present the investigations of the biological effect of the peptides obtained from different poultry by-products and the possible mechanisms of action underlying these effects.
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Affiliation(s)
- Martha Guillermina Romero-Garay
- Integral Research Laboratory Food, Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Col. Lagos del Country 63175, Tepic, Nayarit, Mexico
| | - Efigenia Montalvo-González
- Integral Research Laboratory Food, Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Col. Lagos del Country 63175, Tepic, Nayarit, Mexico
| | - Crisantema Hernández-González
- Centro de Investigación en Alimentación y Desarrollo, A. C., Unidad Mazatlán, Av. Sábalo Cerritos s/n. Mazatlán, Sinaloa 89010, Mexico
| | - Adolfo Soto-Domínguez
- Histology Department, Facultad de Medicina, Universidad Autónoma de Nuevo León, Madero y E. Aguirre Pequeño SN, C.P. 64460. Monterrey, Nuevo León, Mexico
| | - Eduardo Mendeleev Becerra-Verdín
- Clinical Research and Histology Laboratory, Universidad Autónoma de Nayarit, Ciudad de la Cultura Amado Nervo S/N, 63155 Tepic, Nayarit, Mexico
| | - María De Lourdes García-Magaña
- Integral Research Laboratory Food, Instituto Tecnológico de Tepic, Av. Tecnológico 2595, Col. Lagos del Country 63175, Tepic, Nayarit, Mexico
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Perța-Crișan S, Ursachi CȘ, Gavrilaș S, Oancea F, Munteanu FD. Closing the Loop with Keratin-Rich Fibrous Materials. Polymers (Basel) 2021; 13:1896. [PMID: 34200460 PMCID: PMC8201023 DOI: 10.3390/polym13111896] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/26/2021] [Accepted: 06/03/2021] [Indexed: 02/06/2023] Open
Abstract
One of the agro-industry's side streams that is widely met is the-keratin rich fibrous material that is becoming a waste product without valorization. Its management as a waste is costly, as the incineration of this type of waste constitutes high environmental concern. Considering these facts, the keratin-rich waste can be considered as a treasure for the producers interested in the valorization of such slowly-biodegradable by-products. As keratin is a protein that needs harsh conditions for its degradation, and that in most of the cases its constitutive amino acids are destroyed, we review new extraction methods that are eco-friendly and cost-effective. The chemical and enzymatic extractions of keratin are compared and the optimization of the extraction conditions at the lab scale is considered. In this study, there are also considered the potential applications of the extracted keratin as well as the reuse of the by-products obtained during the extraction processes.
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Affiliation(s)
- Simona Perța-Crișan
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania; (S.P.-C.); (C.Ș.U.); (S.G.)
| | - Claudiu Ștefan Ursachi
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania; (S.P.-C.); (C.Ș.U.); (S.G.)
| | - Simona Gavrilaș
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania; (S.P.-C.); (C.Ș.U.); (S.G.)
| | - Florin Oancea
- Bioresource Department, National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM Bucharest, 202 Splaiul Independentei, 6th District, 060021 Bucharest, Romania;
| | - Florentina-Daniela Munteanu
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania; (S.P.-C.); (C.Ș.U.); (S.G.)
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Jin H, Dhanasingh I, Sung J, La JW, Lee Y, Lee EM, Kang Y, Lee DY, Lee SH, Lee D. The sulfur formation system mediating extracellular cysteine-cystine recycling in Fervidobacterium islandicum AW-1 is associated with keratin degradation. Microb Biotechnol 2021; 14:938-952. [PMID: 33320434 PMCID: PMC8085985 DOI: 10.1111/1751-7915.13717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/08/2020] [Accepted: 11/11/2020] [Indexed: 11/27/2022] Open
Abstract
Most extremophilic anaerobes possess a sulfur formation (Suf) system for Fe-S cluster biogenesis. In addition to its essential role in redox chemistry and stress responses of Fe-S cluster proteins, the Suf system may play an important role in keratin degradation by Fervidobacterium islandicum AW-1. Comparative genomics of the order Thermotogales revealed that the feather-degrading F. islandicum AW-1 has a complete Suf-like machinery (SufCBDSU) that is highly expressed in cells grown on native feathers in the absence of elemental sulfur (S0 ). On the other hand, F. islandicum AW-1 exhibited a significant retardation in the Suf system-mediated keratin degradation in the presence of S0 . Detailed differential expression analysis of sulfur assimilation machineries unveiled the mechanism by which an efficient sulfur delivery from persulfurated SufS to SufU is achieved during keratinolysis under sulfur starvation. Indeed, addition of SufS-SufU to cell extracts containing keratinolytic proteases accelerated keratin decomposition in vitro under reducing conditions. Remarkably, mass spectrometric analysis of extracellular and intracellular levels of amino acids suggested that redox homeostasis within cells coupled to extracellular cysteine and cystine recycling might be a prerequisite for keratinolysis. Taken together, these results suggest that the Suf-like machinery including the SufS-SufU complex may contribute to sulfur availability for an extracellular reducing environment as well as intracellular redox homeostasis through cysteine released from keratin hydrolysate under starvation conditions.
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Affiliation(s)
- Hyeon‐Su Jin
- Department of BiotechnologyYonsei UniversitySeoul03722South Korea
| | - Immanuel Dhanasingh
- Department of Cellular and Molecular MedicineChosun University School of MedicineGwangju61452South Korea
| | - Jae‐Yoon Sung
- Department of BiotechnologyYonsei UniversitySeoul03722South Korea
| | - Jae Won La
- Department of BiotechnologyYonsei UniversitySeoul03722South Korea
| | - Yena Lee
- Department of BiotechnologyYonsei UniversitySeoul03722South Korea
| | - Eun Mi Lee
- Department of Agricultural BiotechnologyCenter for Food and BioconvergenceResearch Institute for Agricultural and Life SciencesSeoul National UniversitySeoul08826South Korea
| | - Yujin Kang
- Department of Bio and Fermentation Convergence TechnologyBK21 PLUS ProgramKookmin UniversitySeoul02707Korea
| | - Do Yup Lee
- Department of Agricultural BiotechnologyCenter for Food and BioconvergenceResearch Institute for Agricultural and Life SciencesSeoul National UniversitySeoul08826South Korea
| | - Sung Haeng Lee
- Department of Cellular and Molecular MedicineChosun University School of MedicineGwangju61452South Korea
| | - Dong‐Woo Lee
- Department of BiotechnologyYonsei UniversitySeoul03722South Korea
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13
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de Menezes CLA, Santos RDC, Santos MV, Boscolo M, da Silva R, Gomes E, da Silva RR. Industrial sustainability of microbial keratinases: production and potential applications. World J Microbiol Biotechnol 2021; 37:86. [DOI: 10.1007/s11274-021-03052-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/07/2021] [Indexed: 12/13/2022]
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14
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Microbial enzymes catalyzing keratin degradation: Classification, structure, function. Biotechnol Adv 2020; 44:107607. [PMID: 32768519 PMCID: PMC7405893 DOI: 10.1016/j.biotechadv.2020.107607] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022]
Abstract
Keratin is an insoluble and protein-rich epidermal material found in e.g. feather, wool, hair. It is produced in substantial amounts as co-product from poultry processing plants and pig slaughterhouses. Keratin is packed by disulfide bonds and hydrogen bonds. Based on the secondary structure, keratin can be classified into α-keratin and β-keratin. Keratinases (EC 3.4.-.- peptide hydrolases) have major potential to degrade keratin for sustainable recycling of the protein and amino acids. Currently, the known keratinolytic enzymes belong to at least 14 different protease families: S1, S8, S9, S10, S16, M3, M4, M14, M16, M28, M32, M36, M38, M55 (MEROPS database). The various keratinolytic enzymes act via endo-attack (proteases in families S1, S8, S16, M4, M16, M36), exo-attack (proteases in families S9, S10, M14, M28, M38, M55) or by action only on oligopeptides (proteases in families M3, M32), respectively. Other enzymes, particularly disulfide reductases, also play a key role in keratin degradation as they catalyze the breakage of disulfide bonds for better keratinase catalysis. This review aims to contribute an overview of keratin biomass as an enzyme substrate and a systematic analysis of currently sequenced keratinolytic enzymes and their classification and reaction mechanisms. We also summarize and discuss keratinase assays, available keratinase structures and finally examine the available data on uses of keratinases in practical biorefinery protein upcycling applications.
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15
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Su C, Gong JS, Qin J, Li H, Li H, Xu ZH, Shi JS. The tale of a versatile enzyme: Molecular insights into keratinase for its industrial dissemination. Biotechnol Adv 2020; 45:107655. [PMID: 33186607 DOI: 10.1016/j.biotechadv.2020.107655] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 10/30/2020] [Accepted: 11/02/2020] [Indexed: 01/02/2023]
Abstract
Keratinases are unique among proteolytic enzymes for their ability to degrade recalcitrant insoluble proteins, and they are of critical importance in keratin waste management. Over the past few decades, researchers have focused on discovering keratinase producers, as well as producing and characterizing keratinases. The application potential of keratinases has been investigated in the feed, fertilizer, leathering, detergent, cosmetic, and medical industries. However, the commercial availability of keratinases is still limited due to poor productivity and properties, such as thermostability, storage stability and resistance to organic reagents. Advances in molecular biotechnology have provided powerful tools for enhancing the production and functional properties of keratinase. This critical review systematically summarizes the application potential of keratinase, and in particular certain newly discovered catalytic capabilities. Furthermore, we provide comprehensive insight into mechanistic and molecular aspects of keratinases including analysis of gene sequences and protein structures. In addition, development and current advances in protein engineering of keratinases are summarized and discussed, revealing that the engineering of protein domains such as signal peptides and pro-peptides has become an important strategy to increase production of keratinases. Finally, prospects for further development are also proposed, indicating that advanced protein engineering technologies will lead to improved and additional commercial keratinases for various industrial applications.
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Affiliation(s)
- Chang Su
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Jin-Song Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China.
| | - Jiufu Qin
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Heng Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Hui Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Zheng-Hong Xu
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi 214122, PR China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, PR China
| | - Jin-Song Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China.
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16
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Song YR, Lim WC, Han A, Lee MH, Shin EJ, Lee KM, Nam TG, Lim TG. Rose Petal Extract ( Rosa gallica) Exerts Skin Whitening and Anti-Skin Wrinkle Effects. J Med Food 2020; 23:870-878. [PMID: 32609563 DOI: 10.1089/jmf.2020.4705] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
We sought to investigate the effect of extracts from Rosa gallica petals (RPE) on skin whitening and anti-wrinkle activity. Tyrosinase activity was attenuated by RPE treatment, concomitant with the reduction of melanin accumulation in human B16F10 melanoma. Treatment of the facial skin of volunteers in a clinical trial with an RPE-containing formulation enhanced skin brightness (L* value) significantly. The underlying mechanism responsible was determined to be associated with mitogen-activated protein kinase (MAPK) activation. In addition, RPE exhibited anti-wrinkle formation activity of human dermal fibroblasts by suppressing matrix metalloproteinase (MMP)-1 level. In vivo study, RPE also inhibited solar ultraviolet-stimulated MMP-1 level by c-Jun regulation. Overall, our findings indicate that RPE evokes skin whitening and anti-wrinkle formation activity by regulating intracellular signaling, supporting its utility as an ingredient for skin whitening and anti-wrinkle cosmetic products.
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Affiliation(s)
| | | | - Ahram Han
- Korea Food Research Institute, Wanju-gun, Korea
| | | | - Eun Ju Shin
- Korea Food Research Institute, Wanju-gun, Korea
| | - Kwang-Min Lee
- Korea Food Research Institute, Wanju-gun, Korea.,Department of Life Science and Environmental Biochemistry, Pusan National University, Miryang, Korea
| | - Tae-Gyu Nam
- Korea Food Research Institute, Wanju-gun, Korea
| | - Tae-Gyu Lim
- Korea Food Research Institute, Wanju-gun, Korea.,Department of Food Science and Biotechnology, Sejong University, Seoul, Korea
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17
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Challenges and Opportunities in Identifying and Characterising Keratinases for Value-Added Peptide Production. Catalysts 2020. [DOI: 10.3390/catal10020184] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Keratins are important structural proteins produced by mammals, birds and reptiles. Keratins usually act as a protective barrier or a mechanical support. Millions of tonnes of keratin wastes and low value co-products are generated every year in the poultry, meat processing, leather and wool industries. Keratinases are proteases able to breakdown keratin providing a unique opportunity of hydrolysing keratin materials like mammalian hair, wool and feathers under mild conditions. These mild conditions ameliorate the problem of unwanted amino acid modification that usually occurs with thermochemical alternatives. Keratinase hydrolysis addresses the waste problem by producing valuable peptide mixes. Identifying keratinases is an inherent problem associated with the search for new enzymes due to the challenge of predicting protease substrate specificity. Here, we present a comprehensive review of twenty sequenced peptidases with keratinolytic activity from the serine protease and metalloprotease families. The review compares their biochemical activities and highlights the difficulties associated with the interpretation of these data. Potential applications of keratinases and keratin hydrolysates generated with these enzymes are also discussed. The review concludes with a critical discussion of the need for standardized assays and increased number of sequenced keratinases, which would allow a meaningful comparison of the biochemical traits, phylogeny and keratinase sequences. This deeper understanding would facilitate the search of the vast peptidase family sequence space for novel keratinases with industrial potential.
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18
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Aguilar-Toalá JE, Hernández-Mendoza A, González-Córdova AF, Vallejo-Cordoba B, Liceaga AM. Potential role of natural bioactive peptides for development of cosmeceutical skin products. Peptides 2019; 122:170170. [PMID: 31574281 DOI: 10.1016/j.peptides.2019.170170] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 12/11/2022]
Abstract
In recent years, consumers' demand for cosmeceutical products with protective and therapeutic functions derived from natural sources have caused this industry to search for alternative active ingredients. Bioactive peptides have a wide spectrum of bioactivities, which make them ideal candidates for development of these cosmeceutical products. In vitro studies have demonstrated that bioactive peptides (obtained as extracts, hydrolysates, and/or individual peptides) exhibit biological properties including antioxidant, antimicrobial, and anti-inflammatory activities, in addition to their properties of inhibiting aging-related enzymes such as elastase, collagenase, tyrosinase and hyaluronidase. Some studies report multifunctional bioactive peptides that can simultaneously affect, beneficially, multiple physiological pathways in the skin. Moreover, in vivo studies have revealed that topical application or consumption of bioactive peptides possess remarkable skin protection. These properties suggest that bioactive peptides may contribute in the improvement of skin health by providing specific physiological functions, even though the mechanisms underlying the protective effect have not been completely elucidated. This review provides an overview of in vitro, in silico and in vivo properties of bioactive peptides with potential use as functional ingredients in the cosmeceutical field. It also describes the possible mechanisms involved as well as opportunities and challenges associated with their application.
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Affiliation(s)
- J E Aguilar-Toalá
- Protein Chemistry and Bioactive Peptides Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Dr., West Lafayette, IN 47907, United States
| | - A Hernández-Mendoza
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas, 46, Hermosillo, Sonora 83304, Mexico
| | - A F González-Córdova
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas, 46, Hermosillo, Sonora 83304, Mexico
| | - B Vallejo-Cordoba
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo Enrique Astiazarán Rosas, 46, Hermosillo, Sonora 83304, Mexico
| | - A M Liceaga
- Protein Chemistry and Bioactive Peptides Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Dr., West Lafayette, IN 47907, United States.
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19
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Kang E, Jin HS, La JW, Sung JY, Park SY, Kim WC, Lee DW. Identification of keratinases from Fervidobacterium islandicum AW-1 using dynamic gene expression profiling. Microb Biotechnol 2019; 13:442-457. [PMID: 31613061 PMCID: PMC7017815 DOI: 10.1111/1751-7915.13493] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/17/2019] [Accepted: 09/18/2019] [Indexed: 01/11/2023] Open
Abstract
Keratin degradation is of great interest for converting agro‐industrial waste into bioactive peptides and is directly relevant for understanding the pathogenesis of superficial infections caused by dermatophytes. However, the mechanism of this process remains unclear. Here, we obtained the complete genome sequence of a feather‐degrading, extremely thermophilic bacterium, Fervidobacterium islandicum AW‐1 and performed bioinformatics‐based functional annotation. Reverse transcription PCR revealed that 57 putative protease‐encoding genes were differentially expressed in substrate‐dependent manners. Consequently, 16 candidate genes were highly expressed under starvation conditions, when keratin degradation begun. Subsequently, the dynamic expression profiles of these 16 selected genes in response to feathers, as determined via quantitative real‐time PCR, suggested that they included four metalloproteases and two peptidases including an ATP‐dependent serine protease, all of which might act as key players in feather decomposition. Furthermore, in vitro keratinolytic assays supported the notion that recombinant enzymes enhanced the decomposition of feathers in the presence of cell extracts. Therefore, our genome‐based systematic and dynamic expression profiling demonstrated that these identified metalloproteases together with two additional peptidases might be primarily associated with the decomposition of native feathers, suggesting that keratin degradation can be achieved via non‐canonical catalysis of several membrane‐associated metalloproteases in cooperation with cytosolic proteases.
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Affiliation(s)
- Eunju Kang
- School of Applied Biosciences, Kyungpook National University, Daegu, 41566, South Korea
| | - Hyeon-Su Jin
- Department of Biotechnology, Yonsei University, Seoul, 03722, South Korea
| | - Jae Won La
- Department of Biotechnology, Yonsei University, Seoul, 03722, South Korea
| | - Jae-Yoon Sung
- Department of Biotechnology, Yonsei University, Seoul, 03722, South Korea
| | - Soo-Young Park
- Department of Biotechnology, Yonsei University, Seoul, 03722, South Korea
| | - Won-Chan Kim
- School of Applied Biosciences, Kyungpook National University, Daegu, 41566, South Korea
| | - Dong-Woo Lee
- Department of Biotechnology, Yonsei University, Seoul, 03722, South Korea
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20
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Callegaro K, Brandelli A, Daroit DJ. Beyond plucking: Feathers bioprocessing into valuable protein hydrolysates. WASTE MANAGEMENT (NEW YORK, N.Y.) 2019; 95:399-415. [PMID: 31351626 DOI: 10.1016/j.wasman.2019.06.040] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 06/10/2023]
Abstract
The livestock production and subsequent processing of meat results in huge quantities of solid waste such as viscera, bones, skin and keratin-rich materials, including feathers, hair, wool, claws and hooves. In particular, the continuous growth of poultry industry generates massive amounts of feathers as major waste material. The conversion of such by-products into materials with increased value has been studied. Hydrothermal, chemical or biological approaches have been investigated to achive effective conversion of highly recalcitrant proteins that are abundant in animal waste, but increasing interest is devoted to the development of biotechnological methods. The processing of feathers and other by-products into protein hydrolysates may have industrial and commercial significance. Therefore, this review comprehensively addresses the postulated applications of hydrolysates obtained from keratinous biomasses. Examples on the utilization of feather hydrolysates as organic soil fertilizers, feed ingredients, cosmetic formulations and biofuel production are described in the literature. Microbial feather hydrolysis can generate bioactive peptides as well. The use of protein-rich waste from meat industry to produce hydrolysates with biological activities constitutes a point of utmost interest for development of functional ingredients with elevated value.
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Affiliation(s)
- Kelly Callegaro
- Programa de Pós-Graduação em Ambiente e Tecnologias Sustentáveis, Universidade Federal da Fronteira Sul (UFFS), Campus Cerro Largo, Av. Jacob Reinaldo Haupenthal 1580, 97900-000 Cerro Largo, RS, Brazil
| | - Adriano Brandelli
- Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos (ICTA), Universidade Federal do Rio Grande do Sul (UFRGS), 91501-970 Porto Alegre, RS, Brazil
| | - Daniel Joner Daroit
- Programa de Pós-Graduação em Ambiente e Tecnologias Sustentáveis, Universidade Federal da Fronteira Sul (UFFS), Campus Cerro Largo, Av. Jacob Reinaldo Haupenthal 1580, 97900-000 Cerro Largo, RS, Brazil.
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21
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Fluorescence-based Quantification of Bioactive Keratin Peptides from Feathers for Optimizing Large-scale Anaerobic Fermentation and Purification. BIOTECHNOL BIOPROC E 2019. [DOI: 10.1007/s12257-018-0400-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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22
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Acquah C, Chan YW, Pan S, Agyei D, Udenigwe CC. Structure-informed separation of bioactive peptides. J Food Biochem 2019; 43:e12765. [PMID: 31353493 DOI: 10.1111/jfbc.12765] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/05/2018] [Accepted: 12/14/2018] [Indexed: 12/21/2022]
Abstract
The application of proteomic and peptidomic technologies for food-derived bioactive peptides is an emerging field in food sciences. These technologies include the use of separation tools coupled to a high-resolution spectrometric and bioinformatic tools for prediction, identification, sequencing, and characterization of peptides. To a large extent, one-dimensional separation technologies have been extensively used as a continuous tool under different optimized conditions for the identification and analysis of food peptides. However, most one-dimensional separation technologies are fraught with significant bottlenecks such as insufficient sensitivity and specificity limits for complex samples. To address this limitation, separation systems based on orthogonal, multidimensional principles, which allow for the coupling of more than one analytical separation tool with different operational principles, provide a higher separation power than one-dimensional separation tools. This review describes the structure-informed separation and purification of protein hydrolyzates to obtain peptides with desirable bioactivities. PRACTICAL APPLICATIONS: Application of bioactive peptides in the formulation of functional foods, nutraceuticals, and therapeutic agents have increasingly gained scholarly and industrial attention. The bioactive peptides exist originally in protein sources and are only active after hydrolysis of the parent protein. Currently, several tools can be configured in one-dimensional or multidimensional systems for the separation and purification of protein hydrolyzates. The separations are informed by the structural properties such as the molecular weight, charge, hydrophobicity or hydrophilicity, and the solubility of peptides. This review provides a concise discussion on the commonly used analytical tools, their configurations, advantages and challenges in peptide separation. Emphasis is placed on how the structural properties of peptides assist in the separation and purification processes and the concomitant effect of the separation on peptide bioactivity.
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Affiliation(s)
- Caleb Acquah
- School of Nutrition Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Yi Wei Chan
- Biotechnology Research Institute, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia
| | - Sharadwata Pan
- School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Dominic Agyei
- Department of Food Science, University of Otago, Dunedin, New Zealand
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Jin HS, Song K, Baek JH, Lee JE, Kim DJ, Nam GW, Kang NJ, Lee DW. Identification of Matrix Metalloproteinase-1-Suppressive Peptides in Feather Keratin Hydrolysate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:12719-12729. [PMID: 30395462 DOI: 10.1021/acs.jafc.8b05213] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Inhibition of matrix metalloproteinases (MMPs), which degrade collagen and elastin in the dermis of normal skin, is a key strategy for anti-skin aging. In this study, we identified five low-molecular-weight (LMW, <1 kDa) MMP-1-suppressive peptides in feather keratin hydrolysate (FKH) obtained by anaerobic digestion with an extremophilic bacterium. FKH was first subjected to ultrafiltration, followed by size-exclusion chromatography and liquid chromatography/electrospray ionization tandem mass spectrometry analysis. Chemically synthesized peptides identical to the sequences identified suppressed MMP expression in human dermal fibroblasts (HDFs). To investigate the impact of the MMP-1-suppressive peptides on the signaling pathway, we performed antibody array phosphorylation profiling of HDFs. The results suggested that the peptide GGFDL regulates ultraviolet-B-induced MMP-1 expression by inhibiting mitogen-activated protein kinases and nuclear factor κB signaling pathways as well as histone modification. Thus, LMW feather keratin peptides could serve as novel bioactive compounds to protect the skin against intrinsic and extrinsic factors.
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Affiliation(s)
- Hyeon-Su Jin
- Department of Biotechnology , Yonsei University , Seoul 03722 , South Korea
| | - Kyeongseop Song
- School of Food Science and Biotechnology , Kyungpook National University , Daegu 41566 , South Korea
| | - Je-Hyun Baek
- Center of Biomedical Mass Spectrometry (CBMS) , DiatechKorea Company, Limited , Seoul 05808 , South Korea
| | - Jae-Eun Lee
- School of Food Science and Biotechnology , Kyungpook National University , Daegu 41566 , South Korea
| | - Da Jeong Kim
- School of Food Science and Biotechnology , Kyungpook National University , Daegu 41566 , South Korea
| | - Gae-Won Nam
- School of Cosmetics , Seowon University , Cheongju 28674 , South Korea
| | - Nam Joo Kang
- School of Food Science and Biotechnology , Kyungpook National University , Daegu 41566 , South Korea
| | - Dong-Woo Lee
- Department of Biotechnology , Yonsei University , Seoul 03722 , South Korea
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24
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Callegaro K, Welter N, Daroit DJ. Feathers as bioresource: Microbial conversion into bioactive protein hydrolysates. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.09.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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