Autor según el artículo: Vázquez J., Grillitsch K., Daum G., Mas A., Torija M., Beltran G.

Departamento: Bioquímica i Biotecnologia

Autor/es de la URV: Beltran Casellas, Gemma / Mas Baron, Alberto / Torija Martínez, María Jesús

Palabras clave: Torulaspora delbrueckii Tbars Starmerella bacillaris Ros Peroxisomes Metschnikowia pulcherrima Hanseniaspora uvarum Catalase torulaspora delbrueckii tbars starmerella bacillaris ros metschnikowia pulcherrima hanseniaspora uvarum catalase

Resumen: Melatonin (N-acetyl-5-methoxytryptamine) is synthesized from tryptophan by Saccharomyces cerevisiae and non-conventional yeast species. Antioxidant properties have been suggested as a possible role of melatonin in a S. cerevisiae wine strain. However, the possible antioxidant melatonin effect on non-Saccharomyces species and other strains of S. cerevisiae must be evaluated. The aim of this study was to determine the antioxidant capacity of melatonin in eight S. cerevisiae strains and four non-conventional yeasts (Torulaspora delbrueckii, Metschnikowia pulcherrima, Starmerella bacillaris, and Hanseniaspora uvarum). Therefore, the ROS formation, lipid peroxidation, catalase activity, fatty acid composition, and peroxisome proliferation were investigated. The results showed that the presence of melatonin increases peroxisome accumulation and slightly increases the catalase activity. When cells grown in the presence of melatonin were exposed to oxidative stress induced by H2O2, lower ROS accumulation and lipid peroxidation were observed in all tested strains. Therefore, the increased catalase activity that was a consequence of oxidative stress was lower in the presence of melatonin. Moreover, the presence of MEL modulates cell FA composition, increasing oleic and palmitoleic acids and leading to higher UFA/SFA ratios, which have been previously related to a higher tolerance to H2O2. These findings demonstrate that melatonin can act as an antioxidant compound in both S. cerevisiae and non-Saccharomyces yeasts.

Áreas temáticas: Zootecnia / recursos pesqueiros Saúde coletiva Química Odontología Nutrição Microbiology (medical) Microbiology Medicina veterinaria Medicina ii Medicina i Materiais Matemática / probabilidade e estatística Interdisciplinar Geografía Geociências Farmacia Ensino Engenharias iii Engenharias ii Engenharias i Economia Ciências biológicas iii Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Ciência da computação Biotecnología Biodiversidade Astronomia / física

Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/

ISSN: 1664302X

Direcció de correo del autor: albert.mas@urv.cat mjesus.torija@urv.cat gemma.beltran@urv.cat

Identificador del autor: 0000-0002-0763-1679 0000-0001-6419-0745 0000-0002-7071-205X

Fecha de alta del registro: 2023-02-18

Volumen de revista: 9

Versión del articulo depositado: info:eu-repo/semantics/publishedVersion

Enlace a la fuente original: https://www.frontiersin.org/articles/10.3389/fmicb.2018.01933/full

URL Documento de licencia: http://repositori.urv.cat/ca/proteccio-de-dades/

Referencia al articulo segun fuente origial: Frontiers In Microbiology. 9 (AUG): 1933-

Referencia de l'ítem segons les normes APA: Vázquez J., Grillitsch K., Daum G., Mas A., Torija M., Beltran G. (2018). Melatonin Minimizes the Impact of Oxidative Stress Induced by Hydrogen Peroxide in Saccharomyces and Non-conventional Yeast. Frontiers In Microbiology, 9(AUG), 1933-. DOI: 10.3389/fmicb.2018.01933

DOI del artículo: 10.3389/fmicb.2018.01933

Entidad: Universitat Rovira i Virgili

Año de publicación de la revista: 2018

Página inicial: Article number 1933

Tipo de publicación: Journal Publications