Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium
- Autores
- Rios Cruz, Patricia Leonela; Bezus, Brenda; Cavalitto, Sebastián Fernando; Cavello, Ivana Alejandra
- Año de publicación
- 2022
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Background: Antarctica is one of the harshest environments in the world. Despite this fact, it has been colonized by microorganisms, which had to develop different adaptations in order to survive. By studying their enzymes, we can harness these adaptations in order to use them in various industrial processes. Keratinases (E.C. 3.4.99.11) are characterized by their robustness in withstanding extreme conditions and, along with other enzymes, are commonly added to laundry detergents, which makes their study of industrial interest. Results: In this work, a novel keratinase producer, Pedobacter sp. 3.14.7 (MF 347939.1), isolated from Antarctic birds’ nests, was identified. This psychrotolerant isolate displays a typical psychrotolerant growth pattern, with an optimal temperature of 20 °C (μmax=0.23 h⁻¹). After 238 h, maximum proteolytic (22.00 ± 1.17 U ml⁻¹) and keratinolytic (33.04 ± 1.09 U ml⁻¹) activities were achieved with a feather sample conversion of approximately 85%. The keratinase present in crude extract was characterized as a metalloprotease with a molecular weight of 25 kDa, stable in a wide range of pH, with an optimum pH of 7.5. Optimum temperature was 55 °C. Wash performance at 20 °C using this crude extract could remove completely blood stain from cotton cloth. Conclusion: We report a new keratinolytic bacteria from maritime Antarctica. Among its biochemical characteristics, its stability in the presence of different detergents and bleaching agents and its wash performance showed promising results regarding its potential use as a laundry detergent additive.
Centro de Investigación y Desarrollo en Fermentaciones Industriales - Materia
-
Ciencias Exactas
Química
Cold active keratinase
Pedobacter
Keratin biodegradation - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/154706
Ver los metadatos del registro completo
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Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacteriumRios Cruz, Patricia LeonelaBezus, BrendaCavalitto, Sebastián FernandoCavello, Ivana AlejandraCiencias ExactasQuímicaCold active keratinasePedobacterKeratin biodegradationBackground: Antarctica is one of the harshest environments in the world. Despite this fact, it has been colonized by microorganisms, which had to develop different adaptations in order to survive. By studying their enzymes, we can harness these adaptations in order to use them in various industrial processes. Keratinases (E.C. 3.4.99.11) are characterized by their robustness in withstanding extreme conditions and, along with other enzymes, are commonly added to laundry detergents, which makes their study of industrial interest. Results: In this work, a novel keratinase producer, Pedobacter sp. 3.14.7 (MF 347939.1), isolated from Antarctic birds’ nests, was identified. This psychrotolerant isolate displays a typical psychrotolerant growth pattern, with an optimal temperature of 20 °C (μmax=0.23 h⁻¹). After 238 h, maximum proteolytic (22.00 ± 1.17 U ml⁻¹) and keratinolytic (33.04 ± 1.09 U ml⁻¹) activities were achieved with a feather sample conversion of approximately 85%. The keratinase present in crude extract was characterized as a metalloprotease with a molecular weight of 25 kDa, stable in a wide range of pH, with an optimum pH of 7.5. Optimum temperature was 55 °C. Wash performance at 20 °C using this crude extract could remove completely blood stain from cotton cloth. Conclusion: We report a new keratinolytic bacteria from maritime Antarctica. Among its biochemical characteristics, its stability in the presence of different detergents and bleaching agents and its wash performance showed promising results regarding its potential use as a laundry detergent additive.Centro de Investigación y Desarrollo en Fermentaciones Industriales2022info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/154706enginfo:eu-repo/semantics/altIdentifier/issn/2090-5920info:eu-repo/semantics/altIdentifier/doi/10.1186/s43141-022-00356-xinfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:40:05Zoai:sedici.unlp.edu.ar:10915/154706Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:40:05.76SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
title |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
spellingShingle |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium Rios Cruz, Patricia Leonela Ciencias Exactas Química Cold active keratinase Pedobacter Keratin biodegradation |
title_short |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
title_full |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
title_fullStr |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
title_full_unstemmed |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
title_sort |
Production and characterization of a new detergent‑stable keratinase expressed by Pedobacter sp. 3.14.7, a novel Antarctic psychrotolerant keratin‑degrading bacterium |
dc.creator.none.fl_str_mv |
Rios Cruz, Patricia Leonela Bezus, Brenda Cavalitto, Sebastián Fernando Cavello, Ivana Alejandra |
author |
Rios Cruz, Patricia Leonela |
author_facet |
Rios Cruz, Patricia Leonela Bezus, Brenda Cavalitto, Sebastián Fernando Cavello, Ivana Alejandra |
author_role |
author |
author2 |
Bezus, Brenda Cavalitto, Sebastián Fernando Cavello, Ivana Alejandra |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Ciencias Exactas Química Cold active keratinase Pedobacter Keratin biodegradation |
topic |
Ciencias Exactas Química Cold active keratinase Pedobacter Keratin biodegradation |
dc.description.none.fl_txt_mv |
Background: Antarctica is one of the harshest environments in the world. Despite this fact, it has been colonized by microorganisms, which had to develop different adaptations in order to survive. By studying their enzymes, we can harness these adaptations in order to use them in various industrial processes. Keratinases (E.C. 3.4.99.11) are characterized by their robustness in withstanding extreme conditions and, along with other enzymes, are commonly added to laundry detergents, which makes their study of industrial interest. Results: In this work, a novel keratinase producer, Pedobacter sp. 3.14.7 (MF 347939.1), isolated from Antarctic birds’ nests, was identified. This psychrotolerant isolate displays a typical psychrotolerant growth pattern, with an optimal temperature of 20 °C (μmax=0.23 h⁻¹). After 238 h, maximum proteolytic (22.00 ± 1.17 U ml⁻¹) and keratinolytic (33.04 ± 1.09 U ml⁻¹) activities were achieved with a feather sample conversion of approximately 85%. The keratinase present in crude extract was characterized as a metalloprotease with a molecular weight of 25 kDa, stable in a wide range of pH, with an optimum pH of 7.5. Optimum temperature was 55 °C. Wash performance at 20 °C using this crude extract could remove completely blood stain from cotton cloth. Conclusion: We report a new keratinolytic bacteria from maritime Antarctica. Among its biochemical characteristics, its stability in the presence of different detergents and bleaching agents and its wash performance showed promising results regarding its potential use as a laundry detergent additive. Centro de Investigación y Desarrollo en Fermentaciones Industriales |
description |
Background: Antarctica is one of the harshest environments in the world. Despite this fact, it has been colonized by microorganisms, which had to develop different adaptations in order to survive. By studying their enzymes, we can harness these adaptations in order to use them in various industrial processes. Keratinases (E.C. 3.4.99.11) are characterized by their robustness in withstanding extreme conditions and, along with other enzymes, are commonly added to laundry detergents, which makes their study of industrial interest. Results: In this work, a novel keratinase producer, Pedobacter sp. 3.14.7 (MF 347939.1), isolated from Antarctic birds’ nests, was identified. This psychrotolerant isolate displays a typical psychrotolerant growth pattern, with an optimal temperature of 20 °C (μmax=0.23 h⁻¹). After 238 h, maximum proteolytic (22.00 ± 1.17 U ml⁻¹) and keratinolytic (33.04 ± 1.09 U ml⁻¹) activities were achieved with a feather sample conversion of approximately 85%. The keratinase present in crude extract was characterized as a metalloprotease with a molecular weight of 25 kDa, stable in a wide range of pH, with an optimum pH of 7.5. Optimum temperature was 55 °C. Wash performance at 20 °C using this crude extract could remove completely blood stain from cotton cloth. Conclusion: We report a new keratinolytic bacteria from maritime Antarctica. Among its biochemical characteristics, its stability in the presence of different detergents and bleaching agents and its wash performance showed promising results regarding its potential use as a laundry detergent additive. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
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publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/154706 |
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dc.language.none.fl_str_mv |
eng |
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eng |
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info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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openAccess |
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http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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