First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive
The olive tree (Olea europaea L.), which characterizes the agriculture of the Mediterranean basin, faces challenges adapting to high-density orchards and mechanized cultivation. This study addresses a key issue: controlling tree size to enhance efficiency and manageability in olive cultivation. Util...
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Frontiers Media S.A.
2025-01-01
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| Series: | Frontiers in Plant Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2025.1519402/full |
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| author | Irene Granata Aparna S. Balan Aparna S. Balan Claudio Di Vaio Antonino Ioppolo Tiziano Caruso Silvia Fretto Jubina Benny Antonio Giovino Daniel James Sargent Francesco Paolo Marra Annalisa Marchese |
| author_facet | Irene Granata Aparna S. Balan Aparna S. Balan Claudio Di Vaio Antonino Ioppolo Tiziano Caruso Silvia Fretto Jubina Benny Antonio Giovino Daniel James Sargent Francesco Paolo Marra Annalisa Marchese |
| author_sort | Irene Granata |
| collection | DOAJ |
| description | The olive tree (Olea europaea L.), which characterizes the agriculture of the Mediterranean basin, faces challenges adapting to high-density orchards and mechanized cultivation. This study addresses a key issue: controlling tree size to enhance efficiency and manageability in olive cultivation. Utilizing genetic mapping methods, we have identified significant Quantitative Trait Loci (QTL) and candidate genes associated with low-vigor traits in olive trees. Our research on the ‘Koroneiki’ F2 progeny, which exhibits low vigor traits but remains underutilized in breeding programs, has pinpointed a QTL linked to trunk basal diameter—a trait correlated with plant height based on morphological measurements. Results underscore a strong genetic control of these traits, with a consistent correlation observed over time. We identified two candidate genes — Acid Phosphatase 1, Shikimate O-hydroxycinnamoyltransferase, and a SNP Marker likely associated with Calcium Responsive Proteins — each potentially interacting with plant hormones to influence growth. Controlling olive tree size presents several challenges, including the genetic complexity of polygenic traits like size and vigor, and limited rootstock options. By integrating reference genomes with our genetic analysis, we offer a conceptual advancement that could substantially accelerate breeding timelines compared to traditional approaches. Although genome editing is still a future possibility due to the complexity of olive genetics and the species’ recalcitrance to transformation, our study lays a foundational understanding to guide future breeding programs. By targeting the identified candidate genes, this research represents a pivotal step toward selecting new low-vigor genotypes and rootstocks, contributing to innovations in olive cultivation. |
| format | Article |
| id | doaj-art-8f6394c83222423c8ee0d156f1635db5 |
| institution | Kabale University |
| issn | 1664-462X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Plant Science |
| spelling | doaj-art-8f6394c83222423c8ee0d156f1635db52025-01-31T05:10:17ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-01-011610.3389/fpls.2025.15194021519402First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of oliveIrene Granata0Aparna S. Balan1Aparna S. Balan2Claudio Di Vaio3Antonino Ioppolo4Tiziano Caruso5Silvia Fretto6Jubina Benny7Antonio Giovino8Daniel James Sargent9Francesco Paolo Marra10Annalisa Marchese11Department of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyScitel Scientific Solutions Private Limited, Kayamkulam, Kerala, IndiaDepartment of Agricultural Sciences, University of Naples Federico II, Portici, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyCouncil for Agricultural Research and Economics (CREA)—Research Centre for Plant Protection and Certification (CREA-DC), Palermo, ItalyDepartment of Plant Genetics, National Institute of Agricultural Botany (NIAB), Cambridge, United KingdomDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyDepartment of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Palermo, ItalyThe olive tree (Olea europaea L.), which characterizes the agriculture of the Mediterranean basin, faces challenges adapting to high-density orchards and mechanized cultivation. This study addresses a key issue: controlling tree size to enhance efficiency and manageability in olive cultivation. Utilizing genetic mapping methods, we have identified significant Quantitative Trait Loci (QTL) and candidate genes associated with low-vigor traits in olive trees. Our research on the ‘Koroneiki’ F2 progeny, which exhibits low vigor traits but remains underutilized in breeding programs, has pinpointed a QTL linked to trunk basal diameter—a trait correlated with plant height based on morphological measurements. Results underscore a strong genetic control of these traits, with a consistent correlation observed over time. We identified two candidate genes — Acid Phosphatase 1, Shikimate O-hydroxycinnamoyltransferase, and a SNP Marker likely associated with Calcium Responsive Proteins — each potentially interacting with plant hormones to influence growth. Controlling olive tree size presents several challenges, including the genetic complexity of polygenic traits like size and vigor, and limited rootstock options. By integrating reference genomes with our genetic analysis, we offer a conceptual advancement that could substantially accelerate breeding timelines compared to traditional approaches. Although genome editing is still a future possibility due to the complexity of olive genetics and the species’ recalcitrance to transformation, our study lays a foundational understanding to guide future breeding programs. By targeting the identified candidate genes, this research represents a pivotal step toward selecting new low-vigor genotypes and rootstocks, contributing to innovations in olive cultivation.https://www.frontiersin.org/articles/10.3389/fpls.2025.1519402/fullOlea europaeaQTL linkage mapF2 progenyplant heightlow-vigorbrachitic dwarf phenotype |
| spellingShingle | Irene Granata Aparna S. Balan Aparna S. Balan Claudio Di Vaio Antonino Ioppolo Tiziano Caruso Silvia Fretto Jubina Benny Antonio Giovino Daniel James Sargent Francesco Paolo Marra Annalisa Marchese First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive Frontiers in Plant Science Olea europaea QTL linkage map F2 progeny plant height low-vigor brachitic dwarf phenotype |
| title | First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive |
| title_full | First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive |
| title_fullStr | First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive |
| title_full_unstemmed | First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive |
| title_short | First note of QTL mapping of low vigor traits using the updated F2 ‘Koroneiki’ linkage map of olive |
| title_sort | first note of qtl mapping of low vigor traits using the updated f2 koroneiki linkage map of olive |
| topic | Olea europaea QTL linkage map F2 progeny plant height low-vigor brachitic dwarf phenotype |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2025.1519402/full |
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