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Cantu D, Massonnet M, Cochetel N. The wild side of grape genomics. Trends Genet 2024; 40:601-612. [PMID: 38777691 DOI: 10.1016/j.tig.2024.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024]
Abstract
With broad genetic diversity and as a source of key agronomic traits, wild grape species (Vitis spp.) are crucial to enhance viticulture's climatic resilience and sustainability. This review discusses how recent breakthroughs in the genome assembly and analysis of wild grape species have led to discoveries on grape evolution, from wild species' adaptation to environmental stress to grape domestication. We detail how diploid chromosome-scale genomes from wild Vitis spp. have enabled the identification of candidate disease-resistance and flower sex determination genes and the creation of the first Vitis graph-based pangenome. Finally, we explore how wild grape genomics can impact grape research and viticulture, including aspects such as data sharing, the development of functional genomics tools, and the acceleration of genetic improvement.
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Affiliation(s)
- Dario Cantu
- Department of Viticulture and Enology, University of California, Davis, Davis, CA 95616, USA; Genome Center, University of California, Davis, Davis, CA 95616, USA.
| | - Mélanie Massonnet
- Department of Viticulture and Enology, University of California, Davis, Davis, CA 95616, USA
| | - Noé Cochetel
- Department of Viticulture and Enology, University of California, Davis, Davis, CA 95616, USA
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Konecny T, Nikoghosyan M, Binder H. Machine learning extracts marks of thiamine's role in cold acclimation in the transcriptome of Vitis vinifera. FRONTIERS IN PLANT SCIENCE 2023; 14:1303542. [PMID: 38126012 PMCID: PMC10731266 DOI: 10.3389/fpls.2023.1303542] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 11/14/2023] [Indexed: 12/23/2023]
Abstract
Introduction The escalating challenge of climate change has underscored the critical need to understand cold defense mechanisms in cultivated grapevine Vitis vinifera. Temperature variations can affect the growth and overall health of vine. Methods We used Self Organizing Maps machine learning method to analyze gene expression data from leaves of five Vitis vinifera cultivars each treated by four different temperature conditions. The algorithm generated sample-specific "portraits" of the normalized gene expression data, revealing distinct patterns related to the temperature conditions applied. Results Our analysis unveiled a connection with vitamin B1 (thiamine) biosynthesis, suggesting a link between temperature regulation and thiamine metabolism, in agreement with thiamine related stress response established in Arabidopsis before. Furthermore, we found that epigenetic mechanisms play a crucial role in regulating the expression of stress-responsive genes at low temperatures in grapevines. Discussion Application of Self Organizing Maps portrayal to vine transcriptomics identified modules of coregulated genes triggered under cold stress. Our machine learning approach provides a promising option for transcriptomics studies in plants.
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Affiliation(s)
- Tomas Konecny
- Armenian Bioinformatics Institute, Yerevan, Armenia
- Interdisciplinary Centre for Bioinformatics, University of Leipzig, Leipzig, Germany
| | - Maria Nikoghosyan
- Armenian Bioinformatics Institute, Yerevan, Armenia
- Bioinformatics Group, Institute of Molecular Biology Institute of National Academy of Sciences RA, Yerevan, Armenia
| | - Hans Binder
- Armenian Bioinformatics Institute, Yerevan, Armenia
- Interdisciplinary Centre for Bioinformatics, University of Leipzig, Leipzig, Germany
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3
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Zhang C, Dai Z, Ferrier T, Orduña L, Santiago A, Peris A, Wong DCJ, Kappel C, Savoi S, Loyola R, Amato A, Kozak B, Li M, Liang A, Carrasco D, Meyer-Regueiro C, Espinoza C, Hilbert G, Figueroa-Balderas R, Cantu D, Arroyo-Garcia R, Arce-Johnson P, Claudel P, Errandonea D, Rodríguez-Concepción M, Duchêne E, Huang SSC, Castellarin SD, Tornielli GB, Barrieu F, Matus JT. MYB24 orchestrates terpene and flavonol metabolism as light responses to anthocyanin depletion in variegated grape berries. THE PLANT CELL 2023; 35:4238-4265. [PMID: 37648264 PMCID: PMC10689149 DOI: 10.1093/plcell/koad228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 08/13/2023] [Accepted: 08/30/2023] [Indexed: 09/01/2023]
Abstract
Variegation is a rare type of mosaicism not fully studied in plants, especially fruits. We examined red and white sections of grape (Vitis vinifera cv. 'Béquignol') variegated berries and found that accumulation of products from branches of the phenylpropanoid and isoprenoid pathways showed an opposite tendency. Light-responsive flavonol and monoterpene levels increased in anthocyanin-depleted areas in correlation with increasing MYB24 expression. Cistrome analysis suggested that MYB24 binds to the promoters of 22 terpene synthase (TPS) genes, as well as 32 photosynthesis/light-related genes, including carotenoid pathway members, the flavonol regulator HY5 HOMOLOGUE (HYH), and other radiation response genes. Indeed, TPS35, TPS09, the carotenoid isomerase gene CRTISO2, and HYH were activated in the presence of MYB24 and MYC2. We suggest that MYB24 modulates ultraviolet and high-intensity visible light stress responses that include terpene and flavonol synthesis and potentially affects carotenoids. The MYB24 regulatory network is developmentally triggered after the onset of berry ripening, while the absence of anthocyanin sunscreens accelerates its activation, likely in a dose-dependent manner due to increased radiation exposure. Anthocyanins and flavonols in variegated berry skins act as effective sunscreens but for different wavelength ranges. The expression patterns of stress marker genes in red and white sections of 'Béquignol' berries strongly suggest that MYB24 promotes light stress amelioration but only partly succeeds during late ripening.
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Affiliation(s)
- Chen Zhang
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna 46980, Valencia, Spain
| | - Zhanwu Dai
- Beijing Key Laboratory of Grape Science and Enology and Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Thilia Ferrier
- EGFV, Bordeaux Sciences Agro, University of Bordeaux, INRAE, ISVV, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France
| | - Luis Orduña
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna 46980, Valencia, Spain
| | - Antonio Santiago
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna 46980, Valencia, Spain
| | - Arnau Peris
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna 46980, Valencia, Spain
| | - Darren C J Wong
- Ecology and Evolution, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
| | - Christian Kappel
- Institute for Biochemistry and Biology, University of Potsdam, Potsdam-Golm 14476, Germany
| | - Stefania Savoi
- Department of Agricultural, Forest and Food Sciences, University of Turin, Turin 10124, Italy
| | - Rodrigo Loyola
- Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - Alessandra Amato
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Bartosz Kozak
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia V1V 1V7, Canada
| | - Miaomiao Li
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Akun Liang
- Departamento de Física Aplicada-ICMUV-MALTA Consolider Team, Universitat de València, Burjassot 46100, Valencia, Spain
| | - David Carrasco
- Centre for Plant Biotechnology and Genomics (CBGP), Universidad Politécnica de Madrid-INIA, 28223, Pozuelo de Alarcón, Madrid, Spain
| | - Carlos Meyer-Regueiro
- Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - Carmen Espinoza
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago 8380453, Chile
| | - Ghislaine Hilbert
- EGFV, Bordeaux Sciences Agro, University of Bordeaux, INRAE, ISVV, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France
| | - Rosa Figueroa-Balderas
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Dario Cantu
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Rosa Arroyo-Garcia
- Centre for Plant Biotechnology and Genomics (CBGP), Universidad Politécnica de Madrid-INIA, 28223, Pozuelo de Alarcón, Madrid, Spain
| | - Patricio Arce-Johnson
- Instituto de Ciencias Aplicadas, Facultad de Ingeniería Universidad Autónoma deChile
| | | | - Daniel Errandonea
- Departamento de Física Aplicada-ICMUV-MALTA Consolider Team, Universitat de València, Burjassot 46100, Valencia, Spain
| | - Manuel Rodríguez-Concepción
- Institute for Plant Molecular and Cell Biology (IBMCP), CSIC-Universitat Politècnica de València, Valencia 46022, Spain
| | - Eric Duchêne
- SVQV, University of Strasbourg, INRAE, Colmar 68000, France
| | - Shao-shan Carol Huang
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Simone Diego Castellarin
- Wine Research Centre, University of British Columbia, Vancouver, British Columbia V1V 1V7, Canada
| | | | - Francois Barrieu
- EGFV, Bordeaux Sciences Agro, University of Bordeaux, INRAE, ISVV, 210 Chemin de Leysotte, 33140 Villenave d'Ornon, France
| | - José Tomás Matus
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna 46980, Valencia, Spain
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Orduña L, Santiago A, Navarro-Payá D, Zhang C, Wong DCJ, Matus JT. Aggregated gene co-expression networks predict transcription factor regulatory landscapes in grapevine. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6522-6540. [PMID: 37668374 DOI: 10.1093/jxb/erad344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/30/2023] [Indexed: 09/06/2023]
Abstract
Gene co-expression networks (GCNs) have not been extensively studied in non-model plants. However, the rapid accumulation of transcriptome datasets in certain species represents an opportunity to explore underutilized network aggregation approaches. In fact, aggregated GCNs (aggGCNs) highlight robust co-expression interactions and improve functional connectivity. We applied and evaluated two different aggregation methods on public grapevine RNA-Seq datasets from three different tissues (leaf, berry, and 'all organs'). Our results show that co-occurrence-based aggregation generally yielded the best-performing networks. We applied aggGCNs to study several transcription factor gene families, showing their capacity for detecting both already-described and novel regulatory relationships between R2R3-MYBs, bHLH/MYC, and multiple specialized metabolic pathways. Specifically, transcription factor gene- and pathway-centered network analyses successfully ascertained the previously established role of VviMYBPA1 in controlling the accumulation of proanthocyanidins while providing insights into its novel role as a regulator of p-coumaroyl-CoA biosynthesis as well as the shikimate and aromatic amino acid pathways. This network was validated using DNA affinity purification sequencing data, demonstrating that co-expression networks of transcriptional activators can serve as a proxy of gene regulatory networks. This study presents an open repository to reproduce networks in other crops and a GCN application within the Vitviz platform, a user-friendly tool for exploring co-expression relationships.
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Affiliation(s)
- Luis Orduña
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Antonio Santiago
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - David Navarro-Payá
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Chen Zhang
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Darren C J Wong
- Ecology and Evolution, Research School of Biology, The Australian National University, Acton, Australia
| | - José Tomás Matus
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
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Rodríguez-Lorenzo M, Mauri N, Royo C, Rambla JL, Diretto G, Demurtas O, Hilbert G, Renaud C, Tobar V, Huete J, Delrot S, Granell A, Martínez-Zapater JM, Carbonell-Bejerano P. The flavour of grape colour: anthocyanin content tunes aroma precursor composition by altering the berry microenvironment. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6369-6390. [PMID: 37294268 PMCID: PMC10627162 DOI: 10.1093/jxb/erad223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 06/07/2023] [Indexed: 06/10/2023]
Abstract
Anthocyaninless (white) instead of black/red (coloured) fruits develop in grapevine cultivars without functional VviMYBA1 and VviMYBA2 genes, and this conditions the colour of wines that can be produced. To evaluate whether this genetic variation has additional consequences on fruit ripening and composition, we performed comparisons of microenvironment, transcriptomics, and metabolomics of developing grapes between near-isogenic white- and black-berried somatic variants of Garnacha and Tempranillo cultivars. Berry temperature was as much as 3.5 ºC lower in white- compared to black-berried Tempranillo. An RNA-seq study combined with targeted and untargeted metabolomics revealed that ripening fruits of white-berried variants were characterized by the up-regulation of photosynthesis-related and other light-responsive genes and by their higher accumulation of specific terpene aroma precursors, fatty acid-derived aldehyde volatiles, and phenylpropanoid precursor amino acids. MYBA1-MYBA2 function proved essential for flavonol trihydroxylation in black-berried somatic variants, which were also characterized by enhanced expression of pathogen defence genes in the berry skin and increased accumulation of C6-derived alcohol and ester volatiles and γ-aminobutyric acid. Collectively, our results indicate that anthocyanin depletion has side-effects on grape composition by altering the internal microenvironment of the berry and the partitioning of the phenylpropanoid pathway. Our findings show how fruit colour can condition other fruit features, such as flavour potential and stress homeostasis.
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Affiliation(s)
- Maite Rodríguez-Lorenzo
- Instituto de Ciencias de la Vid y del Vino, ICVV, CSIC - Universidad de La Rioja - Gobierno de La Rioja, 26007 Logroño, Spain
| | - Nuria Mauri
- Instituto de Ciencias de la Vid y del Vino, ICVV, CSIC - Universidad de La Rioja - Gobierno de La Rioja, 26007 Logroño, Spain
| | - Carolina Royo
- Instituto de Ciencias de la Vid y del Vino, ICVV, CSIC - Universidad de La Rioja - Gobierno de La Rioja, 26007 Logroño, Spain
| | - José L Rambla
- Instituto de Biología Molecular y Celular de Plantas, IBMCP, CSIC - Universidad Politécnica de Valencia, 46011 Valencia, Spain
- Universitat Jaume I, Departamento de Biología, Bioquímica y Ciencias Naturales, 12071 Castellón de la Plana, Spain
| | - Gianfranco Diretto
- Italian National Agency for New Technologies Energy and Sustainable Development, Casaccia Research Centre, 00123 Rome, Italy
| | - Olivia Demurtas
- Italian National Agency for New Technologies Energy and Sustainable Development, Casaccia Research Centre, 00123 Rome, Italy
| | - Ghislaine Hilbert
- EGFV, Bordeaux Sciences Agro, INRA - Université de Bordeaux, ISVV, 33140 Villenave d’Ornon, France
| | - Christel Renaud
- EGFV, Bordeaux Sciences Agro, INRA - Université de Bordeaux, ISVV, 33140 Villenave d’Ornon, France
| | - Vanessa Tobar
- Servicio de Información Agroclimática de La Rioja (SIAR). Consejería de Agricultura, Ganadería y Medio Ambiente, Gobierno de La Rioja, 26007 Logroño, Spain
| | - Joaquín Huete
- Servicio de Información Agroclimática de La Rioja (SIAR). Consejería de Agricultura, Ganadería y Medio Ambiente, Gobierno de La Rioja, 26007 Logroño, Spain
| | - Serge Delrot
- EGFV, Bordeaux Sciences Agro, INRA - Université de Bordeaux, ISVV, 33140 Villenave d’Ornon, France
| | - Antonio Granell
- Instituto de Biología Molecular y Celular de Plantas, IBMCP, CSIC - Universidad Politécnica de Valencia, 46011 Valencia, Spain
| | - José Miguel Martínez-Zapater
- Instituto de Ciencias de la Vid y del Vino, ICVV, CSIC - Universidad de La Rioja - Gobierno de La Rioja, 26007 Logroño, Spain
| | - Pablo Carbonell-Bejerano
- Instituto de Ciencias de la Vid y del Vino, ICVV, CSIC - Universidad de La Rioja - Gobierno de La Rioja, 26007 Logroño, Spain
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Cheng C, Ma N, Zheng Y, Xi L. Editorial: Growth regulation in horticultural plants: new insights in the omics era. FRONTIERS IN PLANT SCIENCE 2023; 14:1305520. [PMID: 37929172 PMCID: PMC10623409 DOI: 10.3389/fpls.2023.1305520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 10/10/2023] [Indexed: 11/07/2023]
Affiliation(s)
- Chenxia Cheng
- College of Horticulture, Qingdao Agricultural University, Qingdao, China
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Yi Zheng
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, Beijing University of Agriculture, Beijing, China
- Plant Science and Technology College, Beijing University of Agriculture, Beijing, China
| | - Lin Xi
- Department of Plant Systems Biology, University of Hohenheim, Stuttgart, Germany
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7
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Palai G, Caruso G, Gucci R, D’Onofrio C. Water deficit before veraison is crucial in regulating berry VOCs concentration in Sangiovese grapevines. FRONTIERS IN PLANT SCIENCE 2023; 14:1117572. [PMID: 36890905 PMCID: PMC9986437 DOI: 10.3389/fpls.2023.1117572] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
The impact of water deficit on volatile organic compounds (VOCs) responsible for grape aroma remains quite unclear. The aim of this study was to evaluate the effect of different timing and intensity of water deficit on berry VOCs and on their biosynthetic pathways. Fully irrigated control vines were compared with the following treatments: i) two different levels of water deficit from berry pea-size through veraison, ii) one level of water deficit during the lag-phase, and iii) two different levels of water deficit from veraison through harvest. At harvest, total VOC concentrations were higher in berries of water stressed vines from berry pea size through veraison or during the lag phase, whereas post-veraison water deficit determined similar concentrations as control. This pattern was even more pronounced for the glycosylated fraction and was also observed for single compounds, mainly monoterpenes and C13-norisoprenoids. On the other hand, free VOCs were higher in berries from lag phase or post-veraison stressed vines. The significant glycosylated and free VOCs increment measured after the short water stress limited to the lag phase highlight the pivotal role played by this stage in berry aroma compound biosynthesis modulation. The severity of water stress before veraison was also important, since glycosylated VOCs showed a positive correlation with the pre-veraison daily water stress integral. The RNA-seq analysis showed a wide regulation induced by irrigation regimes on terpenes and carotenoids biosynthetic pathways. The terpene synthases and glycosyltransferases as well as genes of the network of transcription factors were upregulated, especially in berries from pre-veraison stressed vines. Since the timing and intensity of water deficit contribute to regulate berry VOCs, irrigation management can be used to achieve high-quality grapes while saving water.
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D'Incà E, Foresti C, Orduña L, Amato A, Vandelle E, Santiago A, Botton A, Cazzaniga S, Bertini E, Pezzotti M, Giovannoni J, Vrebalov J, Matus JT, Tornielli GB, Zenoni S. The transcription factor VviNAC60 regulates senescence- and ripening-related processes in grapevine. PLANT PHYSIOLOGY 2023:kiad050. [PMID: 36718552 DOI: 10.1093/plphys/kiad050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/03/2022] [Accepted: 12/11/2022] [Indexed: 06/18/2023]
Abstract
Grapevine (Vitis vinifera L.) is one of the most widely cultivated fruit crops because the winemaking industry has huge economic relevance worldwide. Uncovering the molecular mechanisms controlling the developmental progression of plant organs will prove essential for maintaining high-quality grapes, expressly in the context of climate change, which impairs the ripening process. Through a deep inspection of transcriptomic data, we identified VviNAC60, a member of the NAC transcription factor family, as a putative regulator of grapevine organ maturation. We explored VviNAC60 binding landscapes through DNA affinity purification followed by sequencing and compared bound genes with transcriptomics datasets from grapevine plants stably and transiently overexpressing VviNAC60 to define a set of high-confidence targets. Among these, we identified key molecular markers associated with organ senescence and fruit ripening. Physiological, metabolic, and promoter activation analyses showed that VviNAC60 induces chlorophyll degradation and anthocyanin accumulation through the up-regulation of STAY-GREEN PROTEIN 1 (VviSGR1) and VviMYBA1, respectively, with the latter being up-regulated through a VviNAC60-VviNAC03 regulatory complex. Despite sharing a closer phylogenetic relationship with senescence-related homologues to the NAC transcription factor AtNAP, VviNAC60 complemented the non-ripening(nor) mutant phenotype in tomato (Solanum lycopersicum), suggesting a dual role as an orchestrator of both ripening- and senescence-related processes. Our data support VviNAC60 as a regulator of processes initiated in the grapevine vegetative- to mature-phase organ transition and therefore as a potential target for enhancing the environmental resilience of grapevine by fine-tuning the duration of the vegetative phase.
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Affiliation(s)
- Erica D'Incà
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Chiara Foresti
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Luis Orduña
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Alessandra Amato
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Elodie Vandelle
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Antonio Santiago
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Alessandro Botton
- Department of Agronomy, Food, Natural resources, Animals and Environment, University of Padova, Italy
| | - Stefano Cazzaniga
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Edoardo Bertini
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - Mario Pezzotti
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
| | - James Giovannoni
- USDA-ARS Robert W. Holley Center and Boyce Thompson Institute for Plant Research, Tower Road, Cornell Campus, Ithaca, NY 14853, USA
| | - Julia Vrebalov
- USDA-ARS Robert W. Holley Center and Boyce Thompson Institute for Plant Research, Tower Road, Cornell Campus, Ithaca, NY 14853, USA
| | - José Tomás Matus
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | | | - Sara Zenoni
- Department of Biotechnology, University of Verona, 37134 Verona, Italy
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Palai G, Caruso G, Gucci R, D’Onofrio C. Berry flavonoids are differently modulated by timing and intensities of water deficit in Vitis vinifera L. cv. Sangiovese. FRONTIERS IN PLANT SCIENCE 2022; 13:1040899. [PMID: 36388597 PMCID: PMC9659973 DOI: 10.3389/fpls.2022.1040899] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
In this work, we tested the effect of different regulated deficit irrigation (RDI) regimes on berry flavonoid content and its relative biosynthetic pathways. Vines were subjected to six irrigation regimes over two consecutive years: a) full irrigation during the entire irrigation period (FI); b) moderate (RDI-1M) or c) severe (RDI-1S) water deficit between berry pea-size and veraison; d) severe water deficit during the lag-phase (RDI-LS); and e) moderate (RDI-2M) or f) severe (RDI-2S) water deficit from veraison through harvest. Berries from both RDI-1 treatments showed the highest accumulation of anthocyanins, upregulating the expression of many genes of the flavonoid pathway since the beginning of veraison until harvest, far after the water deficit was released. Although to a lesser degree than RDI-1, both post-veraison water deficit treatments increased anthocyanin concentration, particularly those of the tri-substituted forms, overexpressing the F3'5'H hydroxylases. The moderate deficit irrigation treatments enhanced anthocyanin accumulation with respect to the severe ones regardless of the period when they were applied (pre- or post-veraison). The water deficit imposed during the lag-phase downregulated many genes throughout the flavonoid pathway, showing a slight reduction in anthocyanin accumulation. The measurements of cluster temperature and light exposure highlighted that under deficit irrigation conditions, the effects induced by water stress prevailed over that of light and temperature in regulating anthocyanin biosynthesis. Flavonol concentration was higher in RDI-1S berries due to the upregulation of the flavonol synthases and the flavonol-3-O-glycosyltransferases. In this case, the higher cluster light exposure induced by water deficit in RDI-1S berries had a major role in flavonol accumulation. We conclude that the timing and intensity of water stress strongly regulate the berry flavonoid accumulation and that proper management of deficit irrigation can modulate the phenylpropanoid and flavonoid pathways.
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Savoi S, Santiago A, Orduña L, Matus JT. Transcriptomic and metabolomic integration as a resource in grapevine to study fruit metabolite quality traits. FRONTIERS IN PLANT SCIENCE 2022; 13:937927. [PMID: 36340350 PMCID: PMC9630917 DOI: 10.3389/fpls.2022.937927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Transcriptomics and metabolomics are methodologies being increasingly chosen to perform molecular studies in grapevine (Vitis vinifera L.), focusing either on plant and fruit development or on interaction with abiotic or biotic factors. Currently, the integration of these approaches has become of utmost relevance when studying key plant physiological and metabolic processes. The results from these analyses can undoubtedly be incorporated in breeding programs whereby genes associated with better fruit quality (e.g., those enhancing the accumulation of health-promoting compounds) or with stress resistance (e.g., those regulating beneficial responses to environmental transition) can be used as selection markers in crop improvement programs. Despite the vast amount of data being generated, integrative transcriptome/metabolome meta-analyses (i.e., the joint analysis of several studies) have not yet been fully accomplished in this species, mainly due to particular specificities of metabolomic studies, such as differences in data acquisition (i.e., different compounds being investigated), unappropriated and unstandardized metadata, or simply no deposition of data in public repositories. These meta-analyses require a high computational capacity for data mining a priori, but they also need appropriate tools to explore and visualize the integrated results. This perspective article explores the universe of omics studies conducted in V. vinifera, focusing on fruit-transcriptome and metabolome analyses as leading approaches to understand berry physiology, secondary metabolism, and quality. Moreover, we show how omics data can be integrated in a simple format and offered to the research community as a web resource, giving the chance to inspect potential gene-to-gene and gene-to-metabolite relationships that can later be tested in hypothesis-driven research. In the frame of the activities promoted by the COST Action CA17111 INTEGRAPE, we present the first grapevine transcriptomic and metabolomic integrated database (TransMetaDb) developed within the Vitis Visualization (VitViz) platform (https://tomsbiolab.com/vitviz). This tool also enables the user to conduct and explore meta-analyses utilizing different experiments, therefore hopefully motivating the community to generate Findable, Accessible, Interoperable and Reusable (F.A.I.R.) data to be included in the future.
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Affiliation(s)
- Stefania Savoi
- Department of Agricultural, Forest and Food Sciences, University of Turin, Grugliasco, Italy
| | - Antonio Santiago
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Spain
| | - Luis Orduña
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Spain
| | - José Tomás Matus
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, Spain
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Grimplet J. Genomic and Bioinformatic Resources for Perennial Fruit Species. Curr Genomics 2022; 23:217-233. [PMID: 36777875 PMCID: PMC9875543 DOI: 10.2174/1389202923666220428102632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/12/2022] [Accepted: 03/12/2022] [Indexed: 11/22/2022] Open
Abstract
In the post-genomic era, data management and development of bioinformatic tools are critical for the adequate exploitation of genomics data. In this review, we address the actual situation for the subset of crops represented by the perennial fruit species. The agronomical singularity of these species compared to plant and crop model species provides significant challenges on the implementation of good practices generally not addressed in other species. Studies are usually performed over several years in non-controlled environments, usage of rootstock is common, and breeders heavily rely on vegetative propagation. A reference genome is now available for all the major species as well as many members of the economically important genera for breeding purposes. Development of pangenome for these species is beginning to gain momentum which will require a substantial effort in term of bioinformatic tool development. The available tools for genome annotation and functional analysis will also be presented.
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Affiliation(s)
- Jérôme Grimplet
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Unidad de Hortofruticultura, Gobierno de Aragón, Avda. Montañana, Zaragoza, Spain;,Instituto Agroalimentario de Aragón–IA2 (CITA-Universidad de Zaragoza), Calle Miguel Servet, Zaragoza, Spain,Address correspondence to this author at the Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Unidad de Hortofruticultura, Gobierno de Aragón, Avda. Montañana, Zaragoza, Spain; Instituto Agroalimentario de Aragón–IA2 (CITA-Universidad de Zaragoza), Calle Miguel Servet, Zaragoza, Spain; Tel: +34976713635; E-mail:
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12
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Martínez-García PJ, Mas-Gómez J, Wegrzyn J, Botía JA. Bioinformatic approach for the discovery of cis-eQTL signals during fruit ripening of a woody species as grape (Vitis vinifera L.). Sci Rep 2022; 12:7481. [PMID: 35523985 PMCID: PMC9076688 DOI: 10.1038/s41598-022-11689-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/08/2022] [Indexed: 11/09/2022] Open
Abstract
Expression quantitative trait loci (eQTLs) are associations between genetic variants, such as Single Nucleotide Polymorphisms (SNPs), and gene expression. eQTLs are an important tool to understand the genetic variance of gene expression of complex phenotypes. eQTLs analyses are common in biomedical models but are scarce in woody crop species such as fruit trees or grapes. In this study, a comprehensive bioinformatic analysis was conducted leveraging with expression data from two different growth stages, around ripening onset, of 10 genotypes of grape (Vitis vinifera L.). A total of 2170 cis-eQTL were identified in 212 gene modulated at ripening onset. The 48% of these DEGs have a known function. Among the annotated protein-coding genes, terpene synthase, auxin-regulatory factors, GRFS, ANK_REP_REGION domain-containing protein, Kinesin motor domain-containing protein and flavonol synthase were noted. This new inventory of cis-eQTLs influencing gene expression during fruit ripening will be an important resource to examine variation for this trait and will help to elucidate the complex genetic architecture underlying this process in grape.
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Affiliation(s)
- Pedro José Martínez-García
- Department of Plant Breeding, Centro de Edafología y Biología Aplicada del Segura (CEBAS), CSIC, P.O. Box 164, 30100, Espinardo, Spain.
| | - Jorge Mas-Gómez
- Department of Plant Breeding, Centro de Edafología y Biología Aplicada del Segura (CEBAS), CSIC, P.O. Box 164, 30100, Espinardo, Spain
| | - Jill Wegrzyn
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT, 06269, USA
| | - Juan A Botía
- Department of Neurodegenerative Disease, University College London, London, WC1N 3BG, UK.,Departamento de Ingeniería de la Información y las Comunicaciones, Universidad de Murcia, 30100, Murcia, Spain
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Orduña L, Li M, Navarro-Payá D, Zhang C, Santiago A, Romero P, Ramšak Ž, Magon G, Höll J, Merz P, Gruden K, Vannozzi A, Cantu D, Bogs J, Wong DCJ, Huang SSC, Matus JT. Direct regulation of shikimate, early phenylpropanoid, and stilbenoid pathways by Subgroup 2 R2R3-MYBs in grapevine. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 110:529-547. [PMID: 35092714 DOI: 10.1111/tpj.15686] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/17/2022] [Accepted: 01/19/2022] [Indexed: 05/08/2023]
Abstract
The stilbenoid pathway is responsible for the production of resveratrol in grapevine (Vitis vinifera L.). A few transcription factors (TFs) have been identified as regulators of this pathway but the extent of this control has not been deeply studied. Here we show how DNA affinity purification sequencing (DAP-Seq) allows for the genome-wide TF-binding site interrogation in grape. We obtained 5190 and 4443 binding events assigned to 4041 and 3626 genes for MYB14 and MYB15, respectively (approximately 40% of peaks located within −10 kb of transcription start sites). DAP-Seq of MYB14/MYB15 was combined with aggregate gene co-expression networks (GCNs) built from more than 1400 transcriptomic datasets from leaves, fruits, and flowers to narrow down bound genes to a set of high confidence targets. The analysis of MYB14, MYB15, and MYB13, a third uncharacterized member of Subgroup 2 (S2), showed that in addition to the few previously known stilbene synthase (STS) targets, these regulators bind to 30 of 47 STS family genes. Moreover, all three MYBs bind to several PAL, C4H, and 4CL genes, in addition to shikimate pathway genes, the WRKY03 stilbenoid co-regulator and resveratrol-modifying gene candidates among which ROMT2-3 were validated enzymatically. A high proportion of DAP-Seq bound genes were induced in the activated transcriptomes of transient MYB15-overexpressing grapevine leaves, validating our methodological approach for delimiting TF targets. Overall, Subgroup 2 R2R3-MYBs appear to play a key role in binding and directly regulating several primary and secondary metabolic steps leading to an increased flux towards stilbenoid production. The integration of DAP-Seq and reciprocal GCNs offers a rapid framework for gene function characterization using genome-wide approaches in the context of non-model plant species and stands up as a valid first approach for identifying gene regulatory networks of specialized metabolism.
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Affiliation(s)
- Luis Orduña
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Miaomiao Li
- Center for Genomics and Systems Biology, Department of Biology, New York University, USA
| | - David Navarro-Payá
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Chen Zhang
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Antonio Santiago
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Pablo Romero
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
| | - Živa Ramšak
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Gabriele Magon
- Department of Agronomy, Food, Natural resources, Animals, and Environment (DAFNAE), University of Padova, Legnaro, 35020, Italy
| | - Janine Höll
- Dienstleistungszentrum Ländlicher Raum Rheinpfalz, Viticulture and Enology Group, Neustadt/W, Germany
| | - Patrick Merz
- Dienstleistungszentrum Ländlicher Raum Rheinpfalz, Viticulture and Enology Group, Neustadt/W, Germany
| | - Kristina Gruden
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Alessandro Vannozzi
- Department of Agronomy, Food, Natural resources, Animals, and Environment (DAFNAE), University of Padova, Legnaro, 35020, Italy
| | - Dario Cantu
- Department of Viticulture and Enology, University of California Davis, Davis, California, USA
| | - Jochen Bogs
- Dienstleistungszentrum Ländlicher Raum Rheinpfalz, Viticulture and Enology Group, Neustadt/W, Germany
| | - Darren C J Wong
- Ecology and Evolution, Research School of Biology, The Australian National University, Acton, Australia
| | - Shao-Shan Carol Huang
- Center for Genomics and Systems Biology, Department of Biology, New York University, USA
| | - José Tomás Matus
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, Paterna, 46908, Valencia, Spain
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