Publicado

2019-10-01

Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp

Potencial antimicrobiano de un extracto de proteína hidrolizado de la microalga Nannochloropsis sp

DOI:

https://doi.org/10.15446/dyna.v86n211.78865

Palabras clave:

microalgal protein, enzymatic hydrolysate, Nannochloropsis sp., antimicrobial activity (en)
proteína microalgal, hidrolizado enzimático, Nannochloropsis sp., actividad antimicrobiana (es)

Autores/as

Microalgae are photosynthetic microorganisms widely used at the industrial level because of their high content of compounds with bioactive properties such as antimicrobial peptides. These compounds have a wide range of action mechanisms, do not produce the resistance of conventional antibiotics and could be effective against bacteria, fungi, viruses, parasites, and even tumor cells. In this work, by mechanical cell lysis treatment, a protein extract of dry biomass of Nannochloropsis sp was obtained, subsequently, it was hydrolyzed with an enzyme complex of proteases, papain, and pancreatin, for 6 hours, at 44 ° C and pH 7. Finally, the antimicrobial activity of the fraction of hydrolyzed extract with a size less than 3 kDa was evaluated against Staphylococcus aureus, Escherichia coli, and Candida albicans, obtaining a percentage of growth inhibition of 93.1%, 96.6%, and 14.4% respectively, which represents a peptic extract with bacteriostatic and fungistatic properties.

Las microalgas son microorganismos fotosintéticos ampliamente utilizados a nivel industrial gracias a su alto contenido de compuestos con propiedades bioactivas como lo son los péptidos antimicrobianos. Estos compuestos son eficaces contra bacterias, hongos, virus, parásitos e incluso células tumorales, poseen una amplia variedad de mecanismos de acción y no generan la resistencia de los antibióticos convencionales. En este trabajo, a través de lisis celular mecánica, se obtuvo un extracto de proteínas a partir de biomasa seca de Nannochloropsis sp., posteriormente fue hidrolizado usando un complejo enzimático de proteasas, papaína y pancreatina, durante 6 horas, a 44°C y pH 7. Finalmente, se evaluó la actividad antimicrobiana de la fracción de extracto hidrolizado que poseía un tamaño menor a 3 kDa contra Staphylococcus aureus, Escherichia coli y Candida albicans, obteniendo un porcentaje de inhibición de crecimiento de los microorganismos de 93,1%, 96,6%, y 14,4% respectivamente, lo cual representa un extracto peptídico con propiedades bacteriostáticas y fungistáticas.

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Cómo citar

IEEE

[1]
L. Verdugo González, A. Acosta Cárdenas, A. D. Zapata Zapata, E. M. Cadena Chamorro, y S. A. Pulido Muñoz, «Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp», DYNA, vol. 86, n.º 211, pp. 192–198, oct. 2019.

ACM

[1]
Verdugo González, L., Acosta Cárdenas, A., Zapata Zapata, A.D., Cadena Chamorro, E.M. y Pulido Muñoz, S.A. 2019. Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp. DYNA. 86, 211 (oct. 2019), 192–198. DOI:https://doi.org/10.15446/dyna.v86n211.78865.

ACS

(1)
Verdugo González, L.; Acosta Cárdenas, A.; Zapata Zapata, A. D.; Cadena Chamorro, E. M.; Pulido Muñoz, S. A. Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp. DYNA 2019, 86, 192-198.

APA

Verdugo González, L., Acosta Cárdenas, A., Zapata Zapata, A. D., Cadena Chamorro, E. M. & Pulido Muñoz, S. A. (2019). Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp. DYNA, 86(211), 192–198. https://doi.org/10.15446/dyna.v86n211.78865

ABNT

VERDUGO GONZÁLEZ, L.; ACOSTA CÁRDENAS, A.; ZAPATA ZAPATA, A. D.; CADENA CHAMORRO, E. M.; PULIDO MUÑOZ, S. A. Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp. DYNA, [S. l.], v. 86, n. 211, p. 192–198, 2019. DOI: 10.15446/dyna.v86n211.78865. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/78865. Acesso em: 14 mar. 2026.

Chicago

Verdugo González, Lucia, Alejandro Acosta Cárdenas, Arley David Zapata Zapata, Edith Marleny Cadena Chamorro, y Sergio Andrés Pulido Muñoz. 2019. «Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp». DYNA 86 (211):192-98. https://doi.org/10.15446/dyna.v86n211.78865.

Harvard

Verdugo González, L., Acosta Cárdenas, A., Zapata Zapata, A. D., Cadena Chamorro, E. M. y Pulido Muñoz, S. A. (2019) «Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp», DYNA, 86(211), pp. 192–198. doi: 10.15446/dyna.v86n211.78865.

MLA

Verdugo González, L., A. Acosta Cárdenas, A. D. Zapata Zapata, E. M. Cadena Chamorro, y S. A. Pulido Muñoz. «Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp». DYNA, vol. 86, n.º 211, octubre de 2019, pp. 192-8, doi:10.15446/dyna.v86n211.78865.

Turabian

Verdugo González, Lucia, Alejandro Acosta Cárdenas, Arley David Zapata Zapata, Edith Marleny Cadena Chamorro, y Sergio Andrés Pulido Muñoz. «Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp». DYNA 86, no. 211 (octubre 1, 2019): 192–198. Accedido marzo 14, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/78865.

Vancouver

1.
Verdugo González L, Acosta Cárdenas A, Zapata Zapata AD, Cadena Chamorro EM, Pulido Muñoz SA. Antimicrobial potential of a hydrolyzed protein extract of the microalgae Nannochloropsis sp. DYNA [Internet]. 1 de octubre de 2019 [citado 14 de marzo de 2026];86(211):192-8. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/78865

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