Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization

The Silybum genus belonging to the Asteraceae family, is composed of two species, marianum and eburneum, although, in the past, their classification was not always appropriate. While Silybum marianum is very well known since ancient times for the medicinal properties of a blend of different flavonol...

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Main Authors: Marianna Pasquariello, Tommaso Martinelli, Roberta Paris, Anna Moschella, Roberto Colombo, Alice Di Bello, Jessica Frigerio, Abdenour Kheloufi, Mohammad Amin Mirzaabolghasemi, Damiano Puglisi, Salvatore Esposito, Stefano Scalercio, Nino Virzì, Pasquale De Vita, Nicola Pecchioni, Laura Bassolino
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Plant Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2025.1584104/full
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author Marianna Pasquariello
Marianna Pasquariello
Tommaso Martinelli
Roberta Paris
Roberta Paris
Anna Moschella
Roberto Colombo
Alice Di Bello
Jessica Frigerio
Jessica Frigerio
Abdenour Kheloufi
Mohammad Amin Mirzaabolghasemi
Damiano Puglisi
Damiano Puglisi
Salvatore Esposito
Salvatore Esposito
Stefano Scalercio
Stefano Scalercio
Nino Virzì
Pasquale De Vita
Pasquale De Vita
Nicola Pecchioni
Laura Bassolino
Laura Bassolino
author_facet Marianna Pasquariello
Marianna Pasquariello
Tommaso Martinelli
Roberta Paris
Roberta Paris
Anna Moschella
Roberto Colombo
Alice Di Bello
Jessica Frigerio
Jessica Frigerio
Abdenour Kheloufi
Mohammad Amin Mirzaabolghasemi
Damiano Puglisi
Damiano Puglisi
Salvatore Esposito
Salvatore Esposito
Stefano Scalercio
Stefano Scalercio
Nino Virzì
Pasquale De Vita
Pasquale De Vita
Nicola Pecchioni
Laura Bassolino
Laura Bassolino
author_sort Marianna Pasquariello
collection DOAJ
description The Silybum genus belonging to the Asteraceae family, is composed of two species, marianum and eburneum, although, in the past, their classification was not always appropriate. While Silybum marianum is very well known since ancient times for the medicinal properties of a blend of different flavonolignans contained in the achenes and named silymarin, very little information is available about Silybum eburneum chemodiversity. Here, we describe the biochemical characterization of a wide ex situ germplasm collection including 83 wild Silybum accessions collected during ad hoc sampling campaigns in Italy, Spain, Iran and Algeria as well as accessions acquired by seed GenBanks and studied at both population and single plant level. Interestingly, our results confirm the presence of only three chemotypes in S. marianum, namely A, B and C. Conversely, S. eburneum accessions, exhibit a distinct and stable chemotype (D) where isosilychristin is the predominant silymarin component. Additionally, DNA barcoding based on the ribosomal DNA region ITS2 combined with morphological phenotyping and chemotyping, successfully resolves frequently found mistakes in the identification of the two species. These findings significantly expand our knowledge of the global biodiversity of the Silybum genus and provide valuable insights for future breeding programs and potential applications in nutrition and human health sciences.
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spelling doaj-art-762ad01368ec414cbb8bc2206ebb80f02025-08-20T02:09:19ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-06-011610.3389/fpls.2025.15841041584104Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterizationMarianna Pasquariello0Marianna Pasquariello1Tommaso Martinelli2Roberta Paris3Roberta Paris4Anna Moschella5Roberto Colombo6Alice Di Bello7Jessica Frigerio8Jessica Frigerio9Abdenour Kheloufi10Mohammad Amin Mirzaabolghasemi11Damiano Puglisi12Damiano Puglisi13Salvatore Esposito14Salvatore Esposito15Stefano Scalercio16Stefano Scalercio17Nino Virzì18Pasquale De Vita19Pasquale De Vita20Nicola Pecchioni21Laura Bassolino22Laura Bassolino23Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, ItalyNBFC, National Biodiversity Future Center, Palermo, ItalyCouncil for Agricultural Research and Economics, Research Centre for Plant Protection and Certification (CREA-DC), Firenze, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, ItalyNBFC, National Biodiversity Future Center, Palermo, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, ItalyCouncil for Agricultural Research and Economics, Agriculture and Environment Research Centre (CREA-AA), Bologna, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, ItalyNBFC, National Biodiversity Future Center, Palermo, ItalyDepartment of Biotechnology and Biosciences, University of Milano Bicocca, Milan, ItalyDepartment of Ecology and Environment, University of Batna 2, Batna, AlgeriaSection of Plant Breeding and Biotechnology, Department of Horticulture, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Rafsanjan, IranNBFC, National Biodiversity Future Center, Palermo, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Foggia, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Foggia, ItalyCNR-IBBR, National Research Council of Italy, Institute of Biosciences and Bioresources, Research Division, Portici, ItalyNBFC, National Biodiversity Future Center, Palermo, Italy0Council for Agricultural Research and Economics, Research Centre for Forestry and Wood (CREA-FL), Rende, Italy1Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Acireale, CT, ItalyNBFC, National Biodiversity Future Center, Palermo, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Foggia, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Foggia, ItalyCouncil for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops (CREA-CI), Bologna, ItalyNBFC, National Biodiversity Future Center, Palermo, ItalyThe Silybum genus belonging to the Asteraceae family, is composed of two species, marianum and eburneum, although, in the past, their classification was not always appropriate. While Silybum marianum is very well known since ancient times for the medicinal properties of a blend of different flavonolignans contained in the achenes and named silymarin, very little information is available about Silybum eburneum chemodiversity. Here, we describe the biochemical characterization of a wide ex situ germplasm collection including 83 wild Silybum accessions collected during ad hoc sampling campaigns in Italy, Spain, Iran and Algeria as well as accessions acquired by seed GenBanks and studied at both population and single plant level. Interestingly, our results confirm the presence of only three chemotypes in S. marianum, namely A, B and C. Conversely, S. eburneum accessions, exhibit a distinct and stable chemotype (D) where isosilychristin is the predominant silymarin component. Additionally, DNA barcoding based on the ribosomal DNA region ITS2 combined with morphological phenotyping and chemotyping, successfully resolves frequently found mistakes in the identification of the two species. These findings significantly expand our knowledge of the global biodiversity of the Silybum genus and provide valuable insights for future breeding programs and potential applications in nutrition and human health sciences.https://www.frontiersin.org/articles/10.3389/fpls.2025.1584104/fullflavonolignanchemotypemilk thistleisosilychristingermplasm (genetic) resources
spellingShingle Marianna Pasquariello
Marianna Pasquariello
Tommaso Martinelli
Roberta Paris
Roberta Paris
Anna Moschella
Roberto Colombo
Alice Di Bello
Jessica Frigerio
Jessica Frigerio
Abdenour Kheloufi
Mohammad Amin Mirzaabolghasemi
Damiano Puglisi
Damiano Puglisi
Salvatore Esposito
Salvatore Esposito
Stefano Scalercio
Stefano Scalercio
Nino Virzì
Pasquale De Vita
Pasquale De Vita
Nicola Pecchioni
Laura Bassolino
Laura Bassolino
Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
Frontiers in Plant Science
flavonolignan
chemotype
milk thistle
isosilychristin
germplasm (genetic) resources
title Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
title_full Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
title_fullStr Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
title_full_unstemmed Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
title_short Exploring the chemotypic variability of Silybum marianum and Silybum eburneum by biochemical and genetic characterization
title_sort exploring the chemotypic variability of silybum marianum and silybum eburneum by biochemical and genetic characterization
topic flavonolignan
chemotype
milk thistle
isosilychristin
germplasm (genetic) resources
url https://www.frontiersin.org/articles/10.3389/fpls.2025.1584104/full
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