Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites

Autores
Piñeiro Gomez, Mauricio Daniel; Manrique, Sofía; Gómez Pelaytay, Jessica Belén; Rodriguez, Juan Manuel; Barrera, Patricia Andrea; Caballero, Duilio; Sosa, Miguel Angel; Vargas Arana, Gabriel; Tapia, Alejandro; Lima, Beatriz Viviana; Simirgiotis, Mario Juan
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This research was designed to investigate the metabolite profiling, phenolics content, and the trypanocidal, nematicidal, antibacterial, antifungal, and free radical scavenging properties of Usnea lethariiformis Motyka. The air-dried U. lethariiformis material was extracted successively with dichloromethane and methanol (UlMeOH). Two phases were obtained from the extract with dichloromethane, one soluble in methanol (UlDCM-s) and the other insoluble (UlDCM-i). The metabolite profiling was obtained using ultra-high-resolution liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) system. The trypanocidal and nematicidal activities were determined according to standardized protocols. The antimicrobial activity was evaluated according to the Clinical and Laboratory Standards Institute (CLSI) rules. The total phenolic content of lichen extracts was determined by the Folin–Ciocalteu method. Antioxidant properties were assessed through 2,2-diphenyl-1-picrylhydrazyl (DPPH), Trolox equivalent antioxidant activity (TEAC), ferric-reducing antioxidant power (FRAP), and inhibition of lipid peroxidation in erythrocytes (ILP) assays, and the extracts exhibited robust antioxidant activity. Seventeen compounds were detected, of which thirteen were identified by UHPLC-ESI-QTOF-MS analysis, including depsides, depsidones, fatty acids, dibenzofurans, benzoic acids, and triterpenes. The UlDCM-s and UlMeOH extracts displayed strong trypanocidal activity against Trypanosoma cruzi epimastigotes at 50 μg/mL and 100 μg/mL and a nematicidal activity toward J2 Meloidogyne incognita, an important nematode infecting horticultural crops. Regarding the antimicrobial activity, the results showed that all bacteria and yeasts tested were inhibited by the different extracts with minimum inhibitory concentration (MIC) values between 25 μg/mL and 500 μg/mL. The UlDCM-s and UlMeOH extracts showed phenolic content of 107 mg and 48 mg gallic acid equivalents (GAE)/g dried extract, respectively. The UlDCM-s, UIDCM-i, and UlMeOH extracts showed moderate free radical scavenging activity in the DPPH, FRAP, and TEAC assays until 1 mg/mL and ILP tests at 250 μg/mL. The results indicated that U. lethariiformis may constitute a potential source of diverse bioactivities with application in the food, pharmaceutical, and agronomic industries.
Fil: Piñeiro Gomez, Mauricio Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Manrique, Sofía. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Gómez Pelaytay, Jessica Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Rodriguez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Ecología y Recursos Naturales Renovables; Argentina
Fil: Barrera, Patricia Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; Argentina
Fil: Caballero, Duilio. Hospital Público Descentralizado Dr. Marcial Quiroga.; Argentina
Fil: Sosa, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; Argentina
Fil: Vargas Arana, Gabriel. Universidad Nacional de la Amazonía Peruana; Perú. Instituto de Investigaciones de la Amazonía Peruana; Perú
Fil: Tapia, Alejandro. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Lima, Beatriz Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina
Fil: Simirgiotis, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral de Chile; Chile
Materia
TRYPANOCIDAL
ANTIBACTERIAL
ANTIFUNGAL
NEMATICIDAL
TRYPANOZOMA CRUZI
MELOIDOGYNE INCOGNITA
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/262654

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spelling Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolitesPiñeiro Gomez, Mauricio DanielManrique, SofíaGómez Pelaytay, Jessica BelénRodriguez, Juan ManuelBarrera, Patricia AndreaCaballero, DuilioSosa, Miguel AngelVargas Arana, GabrielTapia, AlejandroLima, Beatriz VivianaSimirgiotis, Mario JuanTRYPANOCIDALANTIBACTERIALANTIFUNGALNEMATICIDALTRYPANOZOMA CRUZIMELOIDOGYNE INCOGNITAhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1https://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1This research was designed to investigate the metabolite profiling, phenolics content, and the trypanocidal, nematicidal, antibacterial, antifungal, and free radical scavenging properties of Usnea lethariiformis Motyka. The air-dried U. lethariiformis material was extracted successively with dichloromethane and methanol (UlMeOH). Two phases were obtained from the extract with dichloromethane, one soluble in methanol (UlDCM-s) and the other insoluble (UlDCM-i). The metabolite profiling was obtained using ultra-high-resolution liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) system. The trypanocidal and nematicidal activities were determined according to standardized protocols. The antimicrobial activity was evaluated according to the Clinical and Laboratory Standards Institute (CLSI) rules. The total phenolic content of lichen extracts was determined by the Folin–Ciocalteu method. Antioxidant properties were assessed through 2,2-diphenyl-1-picrylhydrazyl (DPPH), Trolox equivalent antioxidant activity (TEAC), ferric-reducing antioxidant power (FRAP), and inhibition of lipid peroxidation in erythrocytes (ILP) assays, and the extracts exhibited robust antioxidant activity. Seventeen compounds were detected, of which thirteen were identified by UHPLC-ESI-QTOF-MS analysis, including depsides, depsidones, fatty acids, dibenzofurans, benzoic acids, and triterpenes. The UlDCM-s and UlMeOH extracts displayed strong trypanocidal activity against Trypanosoma cruzi epimastigotes at 50 μg/mL and 100 μg/mL and a nematicidal activity toward J2 Meloidogyne incognita, an important nematode infecting horticultural crops. Regarding the antimicrobial activity, the results showed that all bacteria and yeasts tested were inhibited by the different extracts with minimum inhibitory concentration (MIC) values between 25 μg/mL and 500 μg/mL. The UlDCM-s and UlMeOH extracts showed phenolic content of 107 mg and 48 mg gallic acid equivalents (GAE)/g dried extract, respectively. The UlDCM-s, UIDCM-i, and UlMeOH extracts showed moderate free radical scavenging activity in the DPPH, FRAP, and TEAC assays until 1 mg/mL and ILP tests at 250 μg/mL. The results indicated that U. lethariiformis may constitute a potential source of diverse bioactivities with application in the food, pharmaceutical, and agronomic industries.Fil: Piñeiro Gomez, Mauricio Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; ArgentinaFil: Manrique, Sofía. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; ArgentinaFil: Gómez Pelaytay, Jessica Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; ArgentinaFil: Rodriguez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Ecología y Recursos Naturales Renovables; ArgentinaFil: Barrera, Patricia Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; ArgentinaFil: Caballero, Duilio. Hospital Público Descentralizado Dr. Marcial Quiroga.; ArgentinaFil: Sosa, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; ArgentinaFil: Vargas Arana, Gabriel. Universidad Nacional de la Amazonía Peruana; Perú. Instituto de Investigaciones de la Amazonía Peruana; PerúFil: Tapia, Alejandro. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; ArgentinaFil: Lima, Beatriz Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; ArgentinaFil: Simirgiotis, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral de Chile; ChileFrontiers Media2025-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/262654Piñeiro Gomez, Mauricio Daniel; Manrique, Sofía; Gómez Pelaytay, Jessica Belén; Rodriguez, Juan Manuel; Barrera, Patricia Andrea; et al.; Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites; Frontiers Media; Frontiers in Pharmacology; 15; 1508835; 1-2025; 1-151663-9812CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.frontiersin.org/articles/10.3389/fphar.2024.1508835/fullinfo:eu-repo/semantics/altIdentifier/doi/10.3389/fphar.2024.1508835info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:21:14Zoai:ri.conicet.gov.ar:11336/262654instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:21:14.715CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
title Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
spellingShingle Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
Piñeiro Gomez, Mauricio Daniel
TRYPANOCIDAL
ANTIBACTERIAL
ANTIFUNGAL
NEMATICIDAL
TRYPANOZOMA CRUZI
MELOIDOGYNE INCOGNITA
title_short Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
title_full Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
title_fullStr Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
title_full_unstemmed Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
title_sort Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites
dc.creator.none.fl_str_mv Piñeiro Gomez, Mauricio Daniel
Manrique, Sofía
Gómez Pelaytay, Jessica Belén
Rodriguez, Juan Manuel
Barrera, Patricia Andrea
Caballero, Duilio
Sosa, Miguel Angel
Vargas Arana, Gabriel
Tapia, Alejandro
Lima, Beatriz Viviana
Simirgiotis, Mario Juan
author Piñeiro Gomez, Mauricio Daniel
author_facet Piñeiro Gomez, Mauricio Daniel
Manrique, Sofía
Gómez Pelaytay, Jessica Belén
Rodriguez, Juan Manuel
Barrera, Patricia Andrea
Caballero, Duilio
Sosa, Miguel Angel
Vargas Arana, Gabriel
Tapia, Alejandro
Lima, Beatriz Viviana
Simirgiotis, Mario Juan
author_role author
author2 Manrique, Sofía
Gómez Pelaytay, Jessica Belén
Rodriguez, Juan Manuel
Barrera, Patricia Andrea
Caballero, Duilio
Sosa, Miguel Angel
Vargas Arana, Gabriel
Tapia, Alejandro
Lima, Beatriz Viviana
Simirgiotis, Mario Juan
author2_role author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv TRYPANOCIDAL
ANTIBACTERIAL
ANTIFUNGAL
NEMATICIDAL
TRYPANOZOMA CRUZI
MELOIDOGYNE INCOGNITA
topic TRYPANOCIDAL
ANTIBACTERIAL
ANTIFUNGAL
NEMATICIDAL
TRYPANOZOMA CRUZI
MELOIDOGYNE INCOGNITA
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv This research was designed to investigate the metabolite profiling, phenolics content, and the trypanocidal, nematicidal, antibacterial, antifungal, and free radical scavenging properties of Usnea lethariiformis Motyka. The air-dried U. lethariiformis material was extracted successively with dichloromethane and methanol (UlMeOH). Two phases were obtained from the extract with dichloromethane, one soluble in methanol (UlDCM-s) and the other insoluble (UlDCM-i). The metabolite profiling was obtained using ultra-high-resolution liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) system. The trypanocidal and nematicidal activities were determined according to standardized protocols. The antimicrobial activity was evaluated according to the Clinical and Laboratory Standards Institute (CLSI) rules. The total phenolic content of lichen extracts was determined by the Folin–Ciocalteu method. Antioxidant properties were assessed through 2,2-diphenyl-1-picrylhydrazyl (DPPH), Trolox equivalent antioxidant activity (TEAC), ferric-reducing antioxidant power (FRAP), and inhibition of lipid peroxidation in erythrocytes (ILP) assays, and the extracts exhibited robust antioxidant activity. Seventeen compounds were detected, of which thirteen were identified by UHPLC-ESI-QTOF-MS analysis, including depsides, depsidones, fatty acids, dibenzofurans, benzoic acids, and triterpenes. The UlDCM-s and UlMeOH extracts displayed strong trypanocidal activity against Trypanosoma cruzi epimastigotes at 50 μg/mL and 100 μg/mL and a nematicidal activity toward J2 Meloidogyne incognita, an important nematode infecting horticultural crops. Regarding the antimicrobial activity, the results showed that all bacteria and yeasts tested were inhibited by the different extracts with minimum inhibitory concentration (MIC) values between 25 μg/mL and 500 μg/mL. The UlDCM-s and UlMeOH extracts showed phenolic content of 107 mg and 48 mg gallic acid equivalents (GAE)/g dried extract, respectively. The UlDCM-s, UIDCM-i, and UlMeOH extracts showed moderate free radical scavenging activity in the DPPH, FRAP, and TEAC assays until 1 mg/mL and ILP tests at 250 μg/mL. The results indicated that U. lethariiformis may constitute a potential source of diverse bioactivities with application in the food, pharmaceutical, and agronomic industries.
Fil: Piñeiro Gomez, Mauricio Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Manrique, Sofía. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Gómez Pelaytay, Jessica Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Rodriguez, Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones Biológicas y Tecnológicas. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Instituto de Investigaciones Biológicas y Tecnológicas; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Ecología y Recursos Naturales Renovables; Argentina
Fil: Barrera, Patricia Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; Argentina
Fil: Caballero, Duilio. Hospital Público Descentralizado Dr. Marcial Quiroga.; Argentina
Fil: Sosa, Miguel Angel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Instituto de Histología y Embriología de Mendoza Dr. Mario H. Burgos; Argentina
Fil: Vargas Arana, Gabriel. Universidad Nacional de la Amazonía Peruana; Perú. Instituto de Investigaciones de la Amazonía Peruana; Perú
Fil: Tapia, Alejandro. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina
Fil: Lima, Beatriz Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Biotecnología; Argentina. Universidad Nacional de San Juan. Facultad de Filosofía, Humanidades y Artes. Instituto de Ciencias Básicas; Argentina
Fil: Simirgiotis, Mario Juan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Austral de Chile; Chile
description This research was designed to investigate the metabolite profiling, phenolics content, and the trypanocidal, nematicidal, antibacterial, antifungal, and free radical scavenging properties of Usnea lethariiformis Motyka. The air-dried U. lethariiformis material was extracted successively with dichloromethane and methanol (UlMeOH). Two phases were obtained from the extract with dichloromethane, one soluble in methanol (UlDCM-s) and the other insoluble (UlDCM-i). The metabolite profiling was obtained using ultra-high-resolution liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) system. The trypanocidal and nematicidal activities were determined according to standardized protocols. The antimicrobial activity was evaluated according to the Clinical and Laboratory Standards Institute (CLSI) rules. The total phenolic content of lichen extracts was determined by the Folin–Ciocalteu method. Antioxidant properties were assessed through 2,2-diphenyl-1-picrylhydrazyl (DPPH), Trolox equivalent antioxidant activity (TEAC), ferric-reducing antioxidant power (FRAP), and inhibition of lipid peroxidation in erythrocytes (ILP) assays, and the extracts exhibited robust antioxidant activity. Seventeen compounds were detected, of which thirteen were identified by UHPLC-ESI-QTOF-MS analysis, including depsides, depsidones, fatty acids, dibenzofurans, benzoic acids, and triterpenes. The UlDCM-s and UlMeOH extracts displayed strong trypanocidal activity against Trypanosoma cruzi epimastigotes at 50 μg/mL and 100 μg/mL and a nematicidal activity toward J2 Meloidogyne incognita, an important nematode infecting horticultural crops. Regarding the antimicrobial activity, the results showed that all bacteria and yeasts tested were inhibited by the different extracts with minimum inhibitory concentration (MIC) values between 25 μg/mL and 500 μg/mL. The UlDCM-s and UlMeOH extracts showed phenolic content of 107 mg and 48 mg gallic acid equivalents (GAE)/g dried extract, respectively. The UlDCM-s, UIDCM-i, and UlMeOH extracts showed moderate free radical scavenging activity in the DPPH, FRAP, and TEAC assays until 1 mg/mL and ILP tests at 250 μg/mL. The results indicated that U. lethariiformis may constitute a potential source of diverse bioactivities with application in the food, pharmaceutical, and agronomic industries.
publishDate 2025
dc.date.none.fl_str_mv 2025-01
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info:eu-repo/semantics/publishedVersion
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info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/262654
Piñeiro Gomez, Mauricio Daniel; Manrique, Sofía; Gómez Pelaytay, Jessica Belén; Rodriguez, Juan Manuel; Barrera, Patricia Andrea; et al.; Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites; Frontiers Media; Frontiers in Pharmacology; 15; 1508835; 1-2025; 1-15
1663-9812
CONICET Digital
CONICET
url http://hdl.handle.net/11336/262654
identifier_str_mv Piñeiro Gomez, Mauricio Daniel; Manrique, Sofía; Gómez Pelaytay, Jessica Belén; Rodriguez, Juan Manuel; Barrera, Patricia Andrea; et al.; Biological activities of Usnea lethariiformis lichen extracts and UHPLC-ESI-QTOF-MS analysis of their secondary metabolites; Frontiers Media; Frontiers in Pharmacology; 15; 1508835; 1-2025; 1-15
1663-9812
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
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info:eu-repo/semantics/altIdentifier/doi/10.3389/fphar.2024.1508835
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publisher.none.fl_str_mv Frontiers Media
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