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Braidotti R, Falchi R, Calderan A, Pichierri A, Vankova R, Dobrev PI, Griesser M, Sivilotti P. Multi-hormonal analysis and aquaporins regulation reveal new insights on drought tolerance in grapevine. JOURNAL OF PLANT PHYSIOLOGY 2024; 296:154243. [PMID: 38593590 DOI: 10.1016/j.jplph.2024.154243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 02/26/2024] [Accepted: 04/02/2024] [Indexed: 04/11/2024]
Abstract
Disentangling the factors that foster the tolerance to water stress in plants could provide great benefits to crop productions. In a two-year experiment, two new PIWI (fungus resistant) grapevine varieties, namely Merlot Kanthus and Sauvignon Kretos (Vitis hybrids), grown in the field, were subjected to two different water regimes: weekly irrigated (IR) or not irrigated (NIR) for two months during the summer. The two varieties exhibited large differences in terms of performance under water-limiting conditions. In particular, Merlot Kanthus strongly decreased stem water potential (Ψs) under water shortage and Sauvignon Kretos maintained higher Ψs values accompanied by generally high stomatal conductance and net carbon assimilation, regardless of the treatment. We hypothesized differences in the hormonal profile that mediate most of the plant responses to stresses or in the regulation of the aquaporins that control the water transport in the leaves. In general, substantial differences were found in the abundance of different hormonal classes, with Merlot Kanthus reporting higher concentrations of cytokinins while Sauvignon Kretos higher concentrations of auxins, jasmonate and salicylic acid. Interestingly, under water stress conditions ABA modulation appeared similar between the two cultivars, while other hormones were differently modulated between the two varieties. Regarding the expression of aquaporin encoding genes, Merlot Kanthus showed a significant downregulation of VvPIP2;1 and VvTIP2;1 in leaves exposed to water stress. Both genes have probably a role in influencing leaf conductance, and VvTIP2;1 has been correlated with stomatal conductance values. This evidence suggests that the two PIWI varieties are characterized by different behaviour in response to drought. Furthermore, the findings of the study may be generalized, suggesting the involvement of a complex hormonal cross-talk and aquaporins in effectively influencing plant performance under water shortage.
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Affiliation(s)
- Riccardo Braidotti
- University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, Via Delle Scienze 206, 33100, Udine, Italy
| | - Rachele Falchi
- University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, Via Delle Scienze 206, 33100, Udine, Italy.
| | - Alberto Calderan
- University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, Via Delle Scienze 206, 33100, Udine, Italy; University of Trieste, Department of Life Sciences, Via Licio Giorgieri 5, 34127, Trieste, Italy
| | - Alessandro Pichierri
- University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, Via Delle Scienze 206, 33100, Udine, Italy; University of Trieste, Department of Life Sciences, Via Licio Giorgieri 5, 34127, Trieste, Italy
| | - Radomira Vankova
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany, The Czech Academy of Sciences, Rozvojova 263, 16502, Prague, 6, Czech Republic
| | - Petre I Dobrev
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany, The Czech Academy of Sciences, Rozvojova 263, 16502, Prague, 6, Czech Republic
| | - Michaela Griesser
- Department of Crop Sciences, Institute of Viticulture and Pomology, University of Natural Resources and Life Sciences, Konrad Lorenz Straße 24, Tulln, 3430, Vienna, Austria
| | - Paolo Sivilotti
- University of Udine, Department of Agricultural, Food, Environmental and Animal Sciences, Via Delle Scienze 206, 33100, Udine, Italy
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Gaiotti F, Nerva L, Fila G, Lovat L, Belfiore N, Chitarra W. Comparative effects of drought stress on leaf gas exchange, foliar ABA and leaf orientation in four grapevine cultivars grown in Northern Italy. PHYSIOLOGIA PLANTARUM 2023; 175:e14063. [PMID: 38148244 DOI: 10.1111/ppl.14063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 10/11/2023] [Indexed: 12/28/2023]
Abstract
Drought tolerance varies greatly across Vitis vinifera cultivars, depending on physiological responses and structural and morphological adaptations. In this study, responses to water stress were examined in three extensively cultivated varieties from Northern Italy. Over the course of two seasons, mature potted vines were subjected to a 12 or 13-day period of water restriction. Vine water relations were investigated using measures of water potential, gas exchanges, and leaf ABA content. Leaf angle response to increasing water stress was analysed in the four cultivars as a mechanism that improves stress tolerance. Different physiological responses were observed among cultivars, suggesting a near-isohydric water-use strategy for Moscato and a near-anisohydric one for Garganega, Glera and Merlot. Results of leaf ABA analysis highlighted a variability among the studied varieties, indicating higher contents and lower sensitivity to ABA for the anisohydric ones. In all varieties, a similar increase in midday leaf inclination was observed in response to decreasing stem water potentials, indicating that leaf angle adjustments may represent a common adaptive response to drought. These findings increase the understanding of the leaf physiological and structural mechanisms that contribute to water stress tolerance in grapevine, supporting a more efficient cultivar selection to cope with the expected changes in Mediterranean climate.
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Affiliation(s)
- Federica Gaiotti
- Research Centre for Viticulture and Enology, Council for Agricultural Research and Economics (CREA-VE), Conegliano (TV), Italy
| | - Luca Nerva
- Research Centre for Viticulture and Enology, Council for Agricultural Research and Economics (CREA-VE), Conegliano (TV), Italy
| | - Gianni Fila
- Research Centre Agriculture and Environment, Council for Agricultural Research and Economics, Sericulture Laboratory, Padova, Italy
| | - Lorenzo Lovat
- Research Centre for Viticulture and Enology, Council for Agricultural Research and Economics (CREA-VE), Conegliano (TV), Italy
| | - Nicola Belfiore
- Research Centre for Viticulture and Enology, Council for Agricultural Research and Economics (CREA-VE), Conegliano (TV), Italy
| | - Walter Chitarra
- Research Centre for Viticulture and Enology, Council for Agricultural Research and Economics (CREA-VE), Conegliano (TV), Italy
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Bianchi D, Ricciardi V, Pozzoli C, Grossi D, Caramanico L, Pindo M, Stefani E, Cestaro A, Brancadoro L, De Lorenzis G. Physiological and Transcriptomic Evaluation of Drought Effect on Own-Rooted and Grafted Grapevine Rootstock (1103P and 101-14MGt). PLANTS (BASEL, SWITZERLAND) 2023; 12:1080. [PMID: 36903939 PMCID: PMC10005690 DOI: 10.3390/plants12051080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
Grapevines worldwide are grafted onto Vitis spp. rootstocks in order to improve their tolerance to biotic and abiotic stresses. Thus, the response of vines to drought is the result of the interaction between the scion variety and the rootstock genotype. In this work, the responses of genotypes to drought were evaluated on 1103P and 101-14MGt plants, own-rooted and grafted with Cabernet Sauvignon, in three different water deficit conditions (80, 50, and 20% soil water content, SWC). Gas exchange parameters, stem water potential, root and leaf ABA content, and root and leaf transcriptomic response were investigated. Under well-watered conditions, gas exchange and stem water potential were mainly affected by the grafting condition, whereas under sever water deficit they were affected by the rootstock genotype. Under severe stress conditions (20% SWC), 1103P showed an "avoidance" behavior. It reduced stomatal conductance, inhibited photosynthesis, increased ABA content in the roots, and closed the stomata. The 101-14MGt maintained a high photosynthetic rate, limiting the reduction of soil water potential. This behavior results in a "tolerance" strategy. An analysis of the transcriptome showed that most of the differentially expressed genes were detected at 20% SWC, and more significantly in roots than in leaves. A core set of genes has been highlighted on the roots as being related to the root response to drought that are not affected by genotype nor grafting. Genes specifically regulated by grafting and genes specifically regulated by genotype under drought conditions have been identified as well. The 1103P, more than the 101-14MGt, regulated a high number of genes in both own-rooted and grafted conditions. This different regulation revealed that 1103P rootstock readily perceived the water scarcity and rapidly faced the stress, in agreement with its avoidance strategy.
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Affiliation(s)
- Davide Bianchi
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
| | - Valentina Ricciardi
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
| | - Carola Pozzoli
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy
| | - Daniele Grossi
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
| | - Leila Caramanico
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
| | - Massimo Pindo
- Fondazione E. Mach, Centro Ricerca e Innovazione, Via E. Mach 1, 38010 San Michele all’Adige, TN, Italy
| | - Erika Stefani
- Fondazione E. Mach, Centro Ricerca e Innovazione, Via E. Mach 1, 38010 San Michele all’Adige, TN, Italy
| | - Alessandro Cestaro
- Fondazione E. Mach, Centro Ricerca e Innovazione, Via E. Mach 1, 38010 San Michele all’Adige, TN, Italy
| | - Lucio Brancadoro
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
| | - Gabriella De Lorenzis
- Dipartimento di Scienze Agrarie e Ambientali-Produzione Territorio e Agroenergia, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy
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Jiao S, Zeng F, Huang Y, Zhang L, Mao J, Chen B. Physiological, biochemical and molecular responses associated with drought tolerance in grafted grapevine. BMC PLANT BIOLOGY 2023; 23:110. [PMID: 36814197 PMCID: PMC9948381 DOI: 10.1186/s12870-023-04109-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Grafting is one of the promising techniques for improving abiotic stress tolerance in horticultural crops, but the underlying regulatory mechanisms of drought on grafted grapevine are largely unexplored. RESULTS Herein, we investigated the phenotypic, physiologic, biochemical, and drought related genes change of self-rooted 1103P (1103 Paulsen), SM (Shine Muscat) and grafted SM/1103P (SM shoot/1103P root) under drought stress condition. The results indicated that grafted grapevine effectively alleviated drought damage in grape leaves by higher RWC, water potential and free water content. Drought stress led to the alterations of chlorophyll, carotenoid, photosynthetic parameters and chlorophyll fluorescence in grapevine leaves after drought treatment indicated grafted plants improved the photosystem response to drought stress. Moreover, grafted plants under drought stress exhibited higher levels of abscisic acid (ABA), indoleacetic acid (IAA) and soluble protein, but less contents of hydrogen peroxide (H2O2) and malondialdehyde (MDA) both in leaves and roots. Drought stress also increased the activities of antioxidant enzymes (SOD, POD and CAT) and activated the transcript expression of VvCu/ZnSOD, VvPOD4 and VvCAT1) in both leaves and roots. Further expression analysis by real-time PCR indicated that the expression levels of ABA-dependent and ABA-independent related genes could be activated in grafted grape after drought treatment. CONCLUSIONS Taken together, our findings demonstrated that grafting onto 1103P enhanced tolerance against drought stress in grape by improving water content, photosynthesis and antioxidant defense capacity, which provided a valuable information for understanding the mechanisms of drought tolerance regulated by grafting plants.
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Affiliation(s)
- Shuzhen Jiao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China
- School of Agriculture, Ningxia University, Yinchuan, 750021, Ningxia, China
| | - Fanwei Zeng
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China
| | - Yaping Huang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China
| | - Libing Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China
| | - Juan Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China
| | - Baihong Chen
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, Gansu, China.
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Lv L, Chen X, Li H, Huang J, Liu Y, Zhao A. Different adaptive patterns of wheat with different drought tolerance under drought stresses and rehydration revealed by integrated metabolomic and transcriptomic analysis. FRONTIERS IN PLANT SCIENCE 2022; 13:1008624. [PMID: 36311061 PMCID: PMC9608176 DOI: 10.3389/fpls.2022.1008624] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/26/2022] [Indexed: 05/27/2023]
Abstract
Wheat as a staple food crop is enduring ever-frequent intermittent and changing drought with the climate change. It is of great significance to highlight the adaptive approaches under such variable conditions at multiple levels to provide a comprehensive understanding of drought tolerance and facilitate the genetic breeding of wheat. Therefore, three wheat lines with different drought tolerance (drought-tolerant mutant Mu > common wheat CK > drought susceptible mutant mu) were analyzed under moderate and severe drought stresses as well as rehydration. Samples were subjected to transcriptomic and metabolomic profiling in combination with physiological and biochemical determination. The moderate drought stress rendered 198 and 115 differentially expressed metabolites (DEMs) in CK and Mu, respectively. The severe drought stress rendered 166, 151 and 137 DEMs in CK, Mu and mu, respectively. The rehydration rendered 150 and 127 DEMs in CK and Mu. 12,557 and 10,402 differentially expressed genes (DEGs) were identified for CK and Mu under moderate drought stress, respectively. 9,893, 7,924, and 9,387 DEGs were identified for CK, Mu, and mu under severe drought stress, respectively. 13,874 and 14,839 were identified in CK and Mu under rehydration, respectively. Metabolomics results showed that amino acid was the most differentially expressed metabolites, followed by phenolic acids. Flavonoids played an important role in drought tolerance. Most enriched pathways under drought included biosynthesis of secondary metabolites, metabolic pathways and photosynthesis. Metabolites and genes involved in osmotic regulation, antioxidase activities, and ABA signaling were more enriched in Mu than in CK and mu. Various drought-responsive genes and metabolites in Mu showed different trends with those in CK and mu. Increased amino acids biosynthetic capability and ROS scavenging ability resulted from higher antioxidase activities and increased flavonoids may be the mechanisms underlying the drought tolerance characteristic of Mu. Recovery from reversible ROS damage and rapid amino acid biosynthesis may contribute to the rapid recovery of Mu. The present study provides new insights for mechanisms of wheat under complex drought conditions.
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Dinis LT, Jesus C, Amaral J, Gómez-Cadenas A, Correia B, Alves A, Pinto G. Water Deficit Timing Differentially Affects Physiological Responses of Grapevines Infected with Lasiodiplodia theobromae. PLANTS (BASEL, SWITZERLAND) 2022; 11:1961. [PMID: 35956441 PMCID: PMC9370450 DOI: 10.3390/plants11151961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Diseases and climate change are major factors limiting grape productivity and fruit marketability. Lasiodiplodia theobromae is a fungus of the family Botryosphaeriaceae that causes Botryosphaeria dieback of grapevine worldwide. Abiotic stress may change host vitality and impact susceptibility to the pathogen and/or change the pathogen's life cycle. However, the interaction between both stress drivers is poorly understood for woody plants. We addressed the hypothesis that distinct morpho-physiological and biochemical responses are induced in grapevine (Vitis vinifera)-L. theobromae interactions depending on when water deficits are imposed. Grapevines were submitted to water deficit either before or after fungus inoculation. Water deficit led to the reduction of the net photosynthetic rate, stomatal conductance, and transpiration rate, and increased the abscisic acid concentration regardless of fungal inoculation. L. theobromae inoculation before water deficit reduced plant survival by 50% and resulted in the accumulation of jasmonic acid and reductions in malondialdehyde levels. Conversely, grapevines inoculated after water deficit showed an increase in proline and malondialdehyde content and all plants survived. Overall, grapevines responded differently to the primary stress encountered, with consequences in their physiological responses. This study reinforces the importance of exploring the complex water deficit timing × disease interaction and the underlying physiological responses involved in grapevine performance.
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Affiliation(s)
- Lia-Tânia Dinis
- Department of Agronomy & CITAB–Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes e Alto Douro (UTAD), Apt. 1013, 5000-801 Vila Real, Portugal
| | - Cláudia Jesus
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.J.); (J.A.); (B.C.); (A.A.); (G.P.)
| | - Joana Amaral
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.J.); (J.A.); (B.C.); (A.A.); (G.P.)
| | - Aurelio Gómez-Cadenas
- Department de Ciències Agràries i del Medi Natural, Universitat Jaume I, E-12071 Castellón de la Plana, Spain;
| | - Barbara Correia
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.J.); (J.A.); (B.C.); (A.A.); (G.P.)
| | - Artur Alves
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.J.); (J.A.); (B.C.); (A.A.); (G.P.)
| | - Glória Pinto
- Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; (C.J.); (J.A.); (B.C.); (A.A.); (G.P.)
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Bartlett MK, Sinclair G, Fontanesi G, Knipfer T, Walker MA, McElrone AJ. Root pressure-volume curve traits capture rootstock drought tolerance. ANNALS OF BOTANY 2022; 129:389-402. [PMID: 34668965 PMCID: PMC8944712 DOI: 10.1093/aob/mcab132] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/18/2021] [Indexed: 06/01/2023]
Abstract
BACKGROUND AND AIMS Living root tissues significantly constrain plant water uptake under drought, but we lack functional traits to feasibly screen diverse plants for variation in the drought responses of these tissues. Water stress causes roots to lose volume and turgor, which are crucial to root structure, hydraulics and growth. Thus, we hypothesized that root pressure-volume (p-v) curve traits, which quantify the effects of water potential on bulk root turgor and volume, would capture differences in rootstock drought tolerance. METHODS We used a greenhouse experiment to evaluate relationships between root p-v curve traits and gas exchange, whole-plant hydraulic conductance and biomass under drought for eight grapevine rootstocks that varied widely in drought performance in field trials (101-14, 110R, 420A, 5C, 140-Ru, 1103P, Ramsey and Riparia Gloire), grafted to the same scion variety (Vitis vinifera 'Chardonnay'). KEY RESULTS The traits varied significantly across rootstocks, and droughted vines significantly reduced root turgor loss point (πtlp), osmotic potential at full hydration (πo) and capacitance (C), indicating that roots became less susceptible to turgor loss and volumetric shrinkage. Rootstocks that retained a greater root volume (i.e. a lower C) also maintained more gas exchange under drought. The rootstocks that previous field trials have classified as drought tolerant exhibited significantly lower πtlp, πo and C values in well-watered conditions, but significantly higher πo and πtlp values under water stress, than the varieties classified as drought sensitive. CONCLUSIONS These findings suggest that acclimation in root p-v curve traits improves gas exchange in persistently dry conditions, potentially through impacts on root hydraulics or root to shoot chemical signalling. However, retaining turgor and volume in previously unstressed roots, as these roots deplete wet soil to moderately negative water potentials, could be more important to drought performance in the deep, highly heterogenous rooting zones which grapevines develop under field conditions.
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Affiliation(s)
| | - G Sinclair
- Department of Viticulture & Enology, University of
California, Davis, CA, USA
| | - G Fontanesi
- Department of Viticulture & Enology, University of
California, Davis, CA, USA
| | - T Knipfer
- Department of Viticulture & Enology, University of
California, Davis, CA, USA
- Faculty of Land and Food Systems, The University of British
Columbia, Vancouver, British Columbia, Canada
| | - M A Walker
- Department of Viticulture & Enology, University of
California, Davis, CA, USA
| | - A J McElrone
- Department of Viticulture & Enology, University of
California, Davis, CA, USA
- USDA-ARS, Crops Pathology and Genetics Research Unit,
Davis, CA, USA
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Muhammad Aslam M, Waseem M, Jakada BH, Okal EJ, Lei Z, Saqib HSA, Yuan W, Xu W, Zhang Q. Mechanisms of Abscisic Acid-Mediated Drought Stress Responses in Plants. Int J Mol Sci 2022; 23:ijms23031084. [PMID: 35163008 PMCID: PMC8835272 DOI: 10.3390/ijms23031084] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/10/2022] [Accepted: 01/13/2022] [Indexed: 12/11/2022] Open
Abstract
Drought is one of the major constraints to rain-fed agricultural production, especially under climate change conditions. Plants evolved an array of adaptive strategies that perceive stress stimuli and respond to these stress signals through specific mechanisms. Abscisic acid (ABA) is a premier signal for plants to respond to drought and plays a critical role in plant growth and development. ABA triggers a variety of physiological processes such as stomatal closure, root system modulation, organizing soil microbial communities, activation of transcriptional and post-transcriptional gene expression, and metabolic alterations. Thus, understanding the mechanisms of ABA-mediated drought responses in plants is critical for ensuring crop yield and global food security. In this review, we highlighted how plants adjust ABA perception, transcriptional levels of ABA- and drought-related genes, and regulation of metabolic pathways to alter drought stress responses at both cellular and the whole plant level. Understanding the synergetic role of drought and ABA will strengthen our knowledge to develop stress-resilient crops through integrated advanced biotechnology approaches. This review will elaborate on ABA-mediated drought responses at genetic, biochemical, and molecular levels in plants, which is critical for advancement in stress biology research.
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Affiliation(s)
- Mehtab Muhammad Aslam
- Joint International Research Laboratory of Water and Nutrient in Crop and College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.M.A.); (Z.L.); (W.X.)
- College of Agriculture, Yangzhou University, Yangzhou 225009, China
| | - Muhammad Waseem
- Department of Botany, University of Narowal, Narowal 51600, Pakistan;
- College of Horticulture, Hainan University, Haikou 570100, China
| | - Bello Hassan Jakada
- Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, College of Life Science, Fujian Agriculture and Forestry University, Ministry of Education, Fuzhou 350002, China;
| | - Eyalira Jacob Okal
- Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
| | - Zuliang Lei
- Joint International Research Laboratory of Water and Nutrient in Crop and College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.M.A.); (Z.L.); (W.X.)
| | - Hafiz Sohaib Ahmad Saqib
- Guangdong Provincial Key Laboratory of Marine Biology, College of Science, Shantou University, Shantou 515063, China;
| | - Wei Yuan
- College of Agriculture, Yangzhou University, Yangzhou 225009, China
- Correspondence: (W.Y.); (Q.Z.)
| | - Weifeng Xu
- Joint International Research Laboratory of Water and Nutrient in Crop and College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.M.A.); (Z.L.); (W.X.)
- College of Agriculture, Yangzhou University, Yangzhou 225009, China
| | - Qian Zhang
- Joint International Research Laboratory of Water and Nutrient in Crop and College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (M.M.A.); (Z.L.); (W.X.)
- Correspondence: (W.Y.); (Q.Z.)
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9
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Carvalho LC, Gonçalves EF, Marques da Silva J, Costa JM. Potential Phenotyping Methodologies to Assess Inter- and Intravarietal Variability and to Select Grapevine Genotypes Tolerant to Abiotic Stress. FRONTIERS IN PLANT SCIENCE 2021; 12:718202. [PMID: 34764964 PMCID: PMC8575754 DOI: 10.3389/fpls.2021.718202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/28/2021] [Indexed: 06/12/2023]
Abstract
Plant phenotyping is an emerging science that combines multiple methodologies and protocols to measure plant traits (e.g., growth, morphology, architecture, function, and composition) at multiple scales of organization. Manual phenotyping remains as a major bottleneck to the advance of plant and crop breeding. Such constraint fostered the development of high throughput plant phenotyping (HTPP), which is largely based on imaging approaches and automatized data retrieval and processing. Field phenotyping still poses major challenges and the progress of HTPP for field conditions can be relevant to support selection and breeding of grapevine. The aim of this review is to discuss potential and current methods to improve field phenotyping of grapevine to support characterization of inter- and intravarietal diversity. Vitis vinifera has a large genetic diversity that needs characterization, and the availability of methods to support selection of plant material (polyclonal or clonal) able to withstand abiotic stress is paramount. Besides being time consuming, complex and expensive, field experiments are also affected by heterogeneous and uncontrolled climate and soil conditions, mostly due to the large areas of the trials and to the high number of traits to be observed in a number of individuals ranging from hundreds to thousands. Therefore, adequate field experimental design and data gathering methodologies are crucial to obtain reliable data. Some of the major challenges posed to grapevine selection programs for tolerance to water and heat stress are described herein. Useful traits for selection and related field phenotyping methodologies are described and their adequacy for large scale screening is discussed.
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Affiliation(s)
- Luísa C. Carvalho
- LEAF – Linking Landscape, Environment, Agriculture and Food – Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
| | - Elsa F. Gonçalves
- LEAF – Linking Landscape, Environment, Agriculture and Food – Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
| | - Jorge Marques da Silva
- BioISI – Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Lisboa, Portugal
| | - J. Miguel Costa
- LEAF – Linking Landscape, Environment, Agriculture and Food – Research Center, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
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Afifi M, Obenland D, El-kereamy A. The Complexity of Modulating Anthocyanin Biosynthesis Pathway by Deficit Irrigation in Table Grapes. FRONTIERS IN PLANT SCIENCE 2021; 12:713277. [PMID: 34484275 PMCID: PMC8416356 DOI: 10.3389/fpls.2021.713277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 07/30/2021] [Indexed: 05/20/2023]
Abstract
Deficit irrigation (DI) is an irrigation scheduling technique that is used in grapes to improve red color development; however, results are not always satisfactory in table grapes. The red color in grapes is mainly due to the plant pigment anthocyanin. In the present study, the anthocyanin biosynthesis in Scarlet Royal grapes (Vitis vinifera L.) grown in the San Joaquin and Coachella Valleys, and subjected to two different DI strategies was investigated. The objective of this study was to identify potential regulatory factors that may lead to potential treatments to improve red color in table grapes, especially under warm climate conditions. In both locations, DI induced the expression of several genes involved in three major pathways that control the red color in table grapes: anthocyanin biosynthesis, hormone biosynthesis, and antioxidant system. DI at veraison induced anthocyanin accumulation and enhanced red color in berries at harvest time. However, anthocyanin accumulation was lower at the Coachella Valley compared to the San Joaquin Valley. The lower level of anthocyanin was associated with lower expression of critical genes involved in anthocyanin biosynthesis, such as flavonoid-3-O-glucosyltransferase (UFGT), myb-related regulatory gene (R2R3-MYB) (MYBA1), basic helix-loop-helix (bHLH) (MYCA1) and the tryptophan-aspartic acid repeat (WDR or WD40) proteins (WDR1). Further, gene expression analysis revealed the association of ABA biosynthesis gene 9-cis-epoxycarotenoid dioxygenase (NCED1), 1-aminocyclopropane-1-carboxylic acid oxidase (ACO3), and the gibberellic acid (GA) catabolic gene GA2 oxidase (GA2ox1) in the induction of anthocyanin biosynthesis. An increase in the chalcone synthase gene (CHS2) was observed in response to DI treatments in both sites. However, CHS2 expression was higher in Coachella Valley after ending the DI treatment, suggesting the involvement of environmental stress in elevating its transcripts. This data was also supported by the lower level of antioxidant gene expression and enzyme activities in the Coachella Valley compared to the San Joaquin Valley. The present data suggested that the lack of grape red coloration could partially be due to the lower level of antioxidant activities resulting in accelerated anthocyanin degradation and impaired anthocyanin biosynthesis. It seems that under challenging warmer conditions, several factors are required to optimize anthocyanin accumulation via DI, including an active antioxidant system, proper light perception, and hormonal balance.
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Affiliation(s)
- Maha Afifi
- California Table Grape Commission, Fresno, CA, United States
| | - David Obenland
- United States Department of Agriculture, Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, Parlier, CA, United States
| | - Ashraf El-kereamy
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, United States
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11
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Theine J, Holtgräwe D, Herzog K, Schwander F, Kicherer A, Hausmann L, Viehöver P, Töpfer R, Weisshaar B. Transcriptomic analysis of temporal shifts in berry development between two grapevine cultivars of the Pinot family reveals potential genes controlling ripening time. BMC PLANT BIOLOGY 2021; 21:327. [PMID: 34233614 PMCID: PMC8265085 DOI: 10.1186/s12870-021-03110-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/22/2021] [Indexed: 05/16/2023]
Abstract
BACKGROUND Grapevine cultivars of the Pinot family represent clonally propagated mutants with major phenotypic and physiological differences, such as different colour or shifted ripening time, as well as changes in important viticultural traits. Specifically, the cultivars 'Pinot Noir' (PN) and 'Pinot Noir Precoce' (PNP, early ripening) flower at the same time, but vary in the beginning of berry ripening (veraison) and, consequently, harvest time. In addition to genotype, seasonal climatic conditions (i.e. high temperatures) also affect ripening times. To reveal possible regulatory genes that affect the timing of veraison onset, we investigated differences in gene expression profiles between PN and PNP throughout berry development with a closely meshed time series and over two separate years. RESULTS The difference in the duration of berry formation between PN and PNP was quantified to be approximately two weeks under the growth conditions applied, using plant material with a proven PN and PNP clonal relationship. Clusters of co-expressed genes and differentially expressed genes (DEGs) were detected which reflect the shift in the timing of veraison onset. Functional annotation of these DEGs fit to observed phenotypic and physiological changes during berry development. In total, we observed 3,342 DEGs in 2014 and 2,745 DEGs in 2017 between PN and PNP, with 1,923 DEGs across both years. Among these, 388 DEGs were identified as veraison-specific and 12 were considered as berry ripening time regulatory candidates. The expression profiles revealed two candidate genes for ripening time control which we designated VviRTIC1 and VviRTIC2 (VIT_210s0071g01145 and VIT_200s0366g00020, respectively). These genes likely contribute the phenotypic differences observed between PN and PNP. CONCLUSIONS Many of the 1,923 DEGs show highly similar expression profiles in both cultivars if the patterns are aligned according to developmental stage. In our work, putative genes differentially expressed between PNP and PN which could control ripening time as well as veraison-specific genes were identified. We point out connections of these genes to molecular events during berry development and discuss potential candidate genes which may control ripening time. Two of these candidates were observed to be differentially expressed in the early berry development phase. Several down-regulated genes during berry ripening are annotated as auxin response factors / ARFs. Conceivably, general changes in auxin signaling may cause the earlier ripening phenotype of PNP.
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Affiliation(s)
- Jens Theine
- Genetics and Genomics of Plants, Faculty of Biology & Center for Biotechnology, Bielefeld University, Bielefeld, Germany
| | - Daniela Holtgräwe
- Genetics and Genomics of Plants, Faculty of Biology & Center for Biotechnology, Bielefeld University, Bielefeld, Germany
| | - Katja Herzog
- Julius Kühn-Institute, Institute for Grapevine Breeding Geilweilerhof, Siebeldingen, Germany
| | - Florian Schwander
- Julius Kühn-Institute, Institute for Grapevine Breeding Geilweilerhof, Siebeldingen, Germany
| | - Anna Kicherer
- Julius Kühn-Institute, Institute for Grapevine Breeding Geilweilerhof, Siebeldingen, Germany
| | - Ludger Hausmann
- Julius Kühn-Institute, Institute for Grapevine Breeding Geilweilerhof, Siebeldingen, Germany
| | - Prisca Viehöver
- Genetics and Genomics of Plants, Faculty of Biology & Center for Biotechnology, Bielefeld University, Bielefeld, Germany
| | - Reinhard Töpfer
- Julius Kühn-Institute, Institute for Grapevine Breeding Geilweilerhof, Siebeldingen, Germany
| | - Bernd Weisshaar
- Genetics and Genomics of Plants, Faculty of Biology & Center for Biotechnology, Bielefeld University, Bielefeld, Germany
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12
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Sabir F, Zarrouk O, Noronha H, Loureiro-Dias MC, Soveral G, Gerós H, Prista C. Grapevine aquaporins: Diversity, cellular functions, and ecophysiological perspectives. Biochimie 2021; 188:61-76. [PMID: 34139292 DOI: 10.1016/j.biochi.2021.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/23/2021] [Accepted: 06/07/2021] [Indexed: 11/30/2022]
Abstract
High-scored premium wines are typically produced under moderate drought stress, suggesting that the water status of grapevine is crucial for wine quality. Aquaporins greatly influence the plant water status by facilitating water diffusion across the plasma membrane in a tightly regulated manner. They adjust the hydraulic conductance of the plasma membrane rapidly and reversibly, which is essential in specific physiological events, including adaptation to soil water scarcity. The comprehension of the sophisticated plant-water relations at the molecular level are thus important to optimize agricultural practices or to assist plant breeding programs. This review explores the recent progresses in understanding the water transport in grapevine at the cellular level through aquaporins and its regulation. Important aspects, including aquaporin structure, diversity, cellular localization, transport properties, and regulation at the cellular and whole plant level are addressed. An ecophysiological perspective about the roles of grapevine aquaporins in plant response to drought stress is also provided.
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Affiliation(s)
- Farzana Sabir
- Linking Landscape, Environment, Agriculture and Food (LEAF), Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal; Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003, Lisbon, Portugal.
| | - Olfa Zarrouk
- Association SFCOLAB - Collaborative Laboratory for Digital Innovation in Agriculture, Rua Cândido dos Reis nº1, Espaço SFCOLAB, 2560-312, Torres Vedras, Portugal
| | - Henrique Noronha
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, 4710-057, Braga, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, 5001-801, Vila Real, Portugal
| | - Maria C Loureiro-Dias
- Linking Landscape, Environment, Agriculture and Food (LEAF), Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal
| | - Graça Soveral
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003, Lisbon, Portugal
| | - Hernâni Gerós
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, 4710-057, Braga, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes e Alto Douro, 5001-801, Vila Real, Portugal; Centre of Biological Engineering (CEB), Department of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Catarina Prista
- Linking Landscape, Environment, Agriculture and Food (LEAF), Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal; Departamento de Recursos Biologicos, Ambiente e Territorio (DRAT), Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisbon, Portugal
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13
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Sánchez‐Ortiz A, Mateo‐Sanz JM, Nadal M, Lampreave M. Water stress assessment on grapevines by using classification and regression trees. PLANT DIRECT 2021; 5:e00319. [PMID: 33851071 PMCID: PMC8022199 DOI: 10.1002/pld3.319] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 03/07/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Multiple factors, such as the vineyard environment and winemaking practices, are known to affect the development of vines as well as the final composition of grapes. Water stress promotes the synthesis of phenols and is associated with grape quality as long as it does not inhibit production. To identify the key parameters for managing water stress and grape quality, multivariate statistical analysis is essential. Classification and regression trees are methods for constructing prediction models from data, especially when data are complex and when constructing a single global model is difficult and models are challenging to interpret. The models were obtained by recursively partitioning the data space and fitting a simple prediction model within each partition. The partitioning can be represented graphically as a decision tree. This approach permitted the most decisive variables for predicting the most vulnerable vineyards and wine quality parameters associated with water stress. In Priorat AOC, Carignan grapevines had the highest water potential and abscisic acid concentration in the early growth plant stages and permitted vineyards to be classified by mesoclimate. This information is useful for identifying which measurements could most easily differentiate between early and late-ripening vineyards. LWP and Ts during an early physiological stage (pea size) permitted warm and cold areas to be differentiated.
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Affiliation(s)
- Antoni Sánchez‐Ortiz
- Departament de Bioquímica i BiotecnologiaFacultat d'Enologia de TarragonaUniversitat Rovira i VirgiliTarragonaSpain
| | - Josep M. Mateo‐Sanz
- Departament d'Enginyeria QuimicaETSEQUniversitat Rovira i VirgiliTarragonaSpain
| | - Montserrat Nadal
- Departament de Bioquímica i BiotecnologiaFacultat d'Enologia de TarragonaUniversitat Rovira i VirgiliTarragonaSpain
| | - Míriam Lampreave
- Departament de Bioquímica i BiotecnologiaFacultat d'Enologia de TarragonaUniversitat Rovira i VirgiliTarragonaSpain
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14
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Bianchi D, Caramanico L, Grossi D, Brancadoro L, Lorenzis GD. How Do Novel M-Rootstock ( Vitis Spp.) Genotypes Cope with Drought? PLANTS 2020; 9:plants9101385. [PMID: 33080884 PMCID: PMC7603061 DOI: 10.3390/plants9101385] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/09/2020] [Accepted: 10/14/2020] [Indexed: 12/31/2022]
Abstract
Most of the vineyards around the world are in areas characterized by seasonal drought, where water deficits and high temperatures represent severe constraints on the regular grapevine growth cycle. Although grapevines are well adapted to arid and semi-arid environments, water stress can cause physiological changes, from mild to irreversible. Screening of available Vitis spp. genetic diversity for new rootstock breeding programs has been proposed as a way for which new viticulture challenges may be faced. In 2014, novel genotypes (M-rootstocks) were released from the University of Milan. In this work, the behavior of M1, M3 and M4 in response to decreasing water availabilities (80%, 50% and 20% soil water content, SWC) was investigated at the physiological and gene expression levels, evaluating gas exchange, stem water potential and transcript abundances of key genes related to ABA (abscisic acid) biosynthesis (VvZEP, VvNCED1 and VvNCED2) and signaling (VvPP2C4, VvSnRK2.6 and VvABF2), and comparing them to those of cuttings of nine commercial rootstocks widely used in viticulture. M-rootstocks showed a change at physiological levels in severe water-stressed conditions (20% soil water content, SWC), reducing the stomatal conductance and stem water potential, but maintaining high photosynthetic activity. Water use efficiency was high in water-limiting conditions. The transcriptional changes were observed at 50% SWC, with an increment of transcripts of VvNCED1 and VvNCED2 genes. M-rootstocks showed similar behavior to 1103P and 110R rootstocks, two highly tolerant commercial genotypes. These rootstocks adopted a tolerant strategy to face water-stressed conditions.
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Affiliation(s)
| | | | | | - Lucio Brancadoro
- Correspondence: (L.B.); (G.D.L.); Tel.: +39-02-503-16559 (L.B.); +39-02-503-16565 (G.D.L.)
| | - Gabriella De Lorenzis
- Correspondence: (L.B.); (G.D.L.); Tel.: +39-02-503-16559 (L.B.); +39-02-503-16565 (G.D.L.)
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15
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Dayer S, Scharwies JD, Ramesh SA, Sullivan W, Doerflinger FC, Pagay V, Tyerman SD. Comparing Hydraulics Between Two Grapevine Cultivars Reveals Differences in Stomatal Regulation Under Water Stress and Exogenous ABA Applications. FRONTIERS IN PLANT SCIENCE 2020; 11:705. [PMID: 32636852 PMCID: PMC7316991 DOI: 10.3389/fpls.2020.00705] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 05/05/2020] [Indexed: 05/23/2023]
Abstract
Hydraulics of plants that have different strategies of stomatal regulation under water stress are relatively poorly understood. We explore how root and shoot hydraulics, stomatal conductance (g s), leaf and root aquaporin (AQP) expression, and abscisic acid (ABA) concentration in leaf xylem sap ([ABA]xylemsap) may be coordinated under mild water stress and exogenous ABA applications in two Vitis vinifera L. cultivars traditionally classified as near-isohydric (Grenache) and near-anisohydric (Syrah). Under water stress, Grenache exhibited stronger adjustments of plant and root hydraulic conductances and greater stomatal sensitivity to [ABA]xylemsap than Syrah resulting in greater conservation of soil moisture but not necessarily more isohydric behavior. Correlations between leaf (Ψleaf) and predawn (ΨPD) water potentials between cultivars suggested a "hydrodynamic" behavior rather than a particular iso-anisohydric classification. A significant decrease of Ψleaf in well-watered ABA-fed vines supported a role of ABA in the soil-leaf hydraulic pathway to regulate g s. Correlations between leaf and root AQPs expression levels under water deficit could explain the response of leaf (K leaf) and root (Lp r) hydraulic conductances in both cultivars. Additional studies under a wider range of soil water deficits are required to explore the possible differential regulation of g s and plant hydraulics in different cultivars and experimental conditions.
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Affiliation(s)
- Silvina Dayer
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
| | - Johannes D. Scharwies
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
| | - Sunita A. Ramesh
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
| | - Wendy Sullivan
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
| | | | - Vinay Pagay
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
| | - Stephen D. Tyerman
- School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, Australia
- Australian Research Council Centre of Excellence in Plant Energy Biology, Waite Research Institute, School of Agriculture, Food and Wine, The University of Adelaide, Adelaide, SA, Australia
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16
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Luo J, Peng F, Zhang S, Xiao Y, Zhang Y. The protein kinase FaSnRK1α regulates sucrose accumulation in strawberry fruits. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 151:369-377. [PMID: 32276220 DOI: 10.1016/j.plaphy.2020.03.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/27/2020] [Accepted: 03/28/2020] [Indexed: 05/14/2023]
Abstract
In strawberry, sucrose is the major form of carbohydrate translocated from the leaves to the fruits and plays an important role in fruit ripening. As a conserved energy sensor, sucrose nonfermenting-1 (SNF1)-related kinase 1 (SnRK1) plays an important role in plant carbon metabolism. However, evidence that SnRK1 regulates sucrose accumulation in fruits is lacking. In this study, we transiently expressed FaSnRK1α in strawberry fruits and found that overexpression (OE) of the FaSnRK1α gene significantly increased the sucrose content, whereas repression of FaSnRK1α by RNA interference (RNAi) decreased the sucrose content. Further analysis revealed that FaSnRK1α increased the expression of FaSUS1 and FaSUS3 as well as the activity of sucrose synthase (SUS; EC 2.4.1.13) and that FaSPS1 expression and sucrose phosphate synthase (SPS; EC 2.4.1.14) activity were strongly downregulated, which decreased the accumulation of sucrose. However, the expression of FaSPS3, which is reported to contribute to sucrose accumulation, was induced by FaSnRK1α, and FaNI expression and invertase (INV; EC 3.2.1.26) activity were upregulated by FaSnRK1α. In addition, FaSnRK1α positively upregulated the expression of the sucrose transporter (SUT) genes FaSUT1 and FaSUT5 and interacted with FaSUS1, FaSPS1 and FaSPS3 proteins but not with FaSUS3, FaNI, FaSUT1 or FaSUT5 proteins. Overall, FaSnRK1α systematically regulates the expression of the genes and activities of key enzymes involved in the sucrose metabolic pathway and promotes the long-distance transport of sucrose, thereby increasing sucrose accumulation and ultimately promoting fruit ripening. However, the mechanisms by which sucrose transport and degradation are regulated by SnRK1 warrant additional research.
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Affiliation(s)
- Jingjing Luo
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, China.
| | - Futian Peng
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, China.
| | - Shuhui Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, China.
| | - Yuansong Xiao
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, China.
| | - Yafei Zhang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, China.
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17
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Effects of Vine Water Status and Exogenous Abscisic Acid on Berry Composition of Three Red Wine Grapes Grown under Mediterranean Climate. HORTICULTURAE 2020. [DOI: 10.3390/horticulturae6010012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Beyond climatic conditions, qualitative performance is led by the intrinsic characteristics of the genotype. The aim of this study was to investigate the relationship between vine water status and exogenous abscisic acid (ABA) application on berry composition of the cultivars Cannonau, Merlot and Sangiovese. The experiment, carried out in 2016 and 2017, consisted of comparing two levels of irrigation treatments, full irrigation versus a non-irrigation treatment. Within each treatment, two sub-treatments were set up: (i) 4 mL L−1 of exogenous ABA applied at veraison to clusters only and subsequently repeated after six days; (ii) a control (untreated vines). The application of different irrigation regimes confirmed that the response to water stress is highly cultivar-dependent. Berry composition was influenced differently among cultivars by water stress. In terms of metabolites, positive influences were observed with Cannonau. No significant effects were observed by spraying exogenous ABA directly on grapes. Moreover, no significant interactions were found between the application of water stress and ABA. Exogenous ABA application did not appear to be a viticultural practice capable of influencing must composition in environments characterized by severe environmental conditions such as heat and drought.
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18
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Cochetel N, Ghan R, Toups HS, Degu A, Tillett RL, Schlauch KA, Cramer GR. Drought tolerance of the grapevine, Vitis champinii cv. Ramsey, is associated with higher photosynthesis and greater transcriptomic responsiveness of abscisic acid biosynthesis and signaling. BMC PLANT BIOLOGY 2020; 20:55. [PMID: 32019503 PMCID: PMC7001288 DOI: 10.1186/s12870-019-2012-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/30/2019] [Indexed: 05/27/2023]
Abstract
BACKGROUND Grapevine is an economically important crop for which yield and berry quality is strongly affected by climate change. Large variations in drought tolerance exist across Vitis species. Some of these species are used as rootstock to enhance abiotic and biotic stress tolerance. In this study, we investigated the physiological and transcriptomic responses to water deficit of four different genotypes that differ in drought tolerance: Ramsey (Vitis champinii), Riparia Gloire (Vitis riparia), Cabernet Sauvignon (Vitis vinifera), and SC2 (Vitis vinifera x Vitis girdiana). RESULTS Ramsey was particularly more drought tolerant than the other three genotypes. Ramsey maintained a higher stomatal conductance and photosynthesis at equivalent levels of moderate water deficit. We identified specific and common transcriptomic responses shared among the four different Vitis species using RNA sequencing analysis. A weighted gene co-expression analysis identified a water deficit core gene set with the ABA biosynthesis and signaling genes, NCED3, RD29B and ABI1 as potential hub genes. The transcript abundance of many abscisic acid metabolism and signaling genes was strongly increased by water deficit along with genes associated with lipid metabolism, galactinol synthases and MIP family proteins. This response occurred at smaller water deficits in Ramsey and with higher transcript abundance than the other genotypes. A number of aquaporin genes displayed differential and unique responses to water deficit in Ramsey leaves. Genes involved in cysteine biosynthesis and metabolism were constitutively higher in the roots of Ramsey; thus, linking the gene expression of a known factor that influences ABA biosynthesis to this genotype's increased NCED3 transcript abundance. CONCLUSION The drought tolerant Ramsey maintained higher photosynthesis at equivalent water deficit than the three other grapevine genotypes. Ramsey was more responsive to water deficit; its transcriptome responded at smaller water deficits, whereas the other genotypes did not respond until more severe water deficits were reached. There was a common core gene network responding to water deficit for all genotypes that included ABA metabolism and signaling. The gene clusters and sub-networks identified in this work represent interesting gene lists to explore and to better understand drought tolerance molecular mechanisms.
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Affiliation(s)
- Noé Cochetel
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
| | - Ryan Ghan
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
| | - Haley S. Toups
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
| | - Asfaw Degu
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
- Present address: College of Agriculture and Environmental Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Richard L. Tillett
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
| | - Karen A. Schlauch
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
| | - Grant R. Cramer
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557 USA
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Khadka VS, Vaughn K, Xie J, Swaminathan P, Ma Q, Cramer GR, Fennell AY. Transcriptomic response is more sensitive to water deficit in shoots than roots of Vitis riparia (Michx.). BMC PLANT BIOLOGY 2019; 19:72. [PMID: 30760212 PMCID: PMC6375209 DOI: 10.1186/s12870-019-1664-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 01/28/2019] [Indexed: 05/11/2023]
Abstract
BACKGROUND Drought is an important constraint on grapevine sustainability. Vitis riparia, widely used in rootstock and scion breeding, has been studied in isolated leaf drying response studies; however, it is essential to identify key root and shoot water deficit signaling traits in intact plants. This information will aid improved scion and rootstock selection and management practices in grapevine. RNAseq data were generated from V. riparia roots and shoots under water deficit and well-watered conditions to determine root signaling and shoot responses to water deficit. RESULTS Shoot elongation, photosynthetic rate, and stomatal conductance were significantly reduced in water deficit (WD) treated than in well-watered grapevines. RNAseq analysis indicated greater transcriptional differences in shoots than in roots under WD, with 6925 and 1395 genes differentially expressed, respectively (q-value < 0.05). There were 50 and 25 VitisNet pathways significantly enriched in WD relative to well-watered treatments in grapevine shoots and roots, respectively. The ABA biosynthesis genes beta-carotene hydroxylase, zeaxanthin epoxidase, and 9-cis-epoxycarotenoid dioxygenases were up-regulated in WD root and WD shoot. A positive enrichment of ABA biosynthesis genes and signaling pathways in WD grapevine roots indicated enhanced root signaling to the shoot. An increased frequency of differentially expressed reactive oxygen species scavenging (ROS) genes were found in the WD shoot. Analyses of hormone signaling genes indicated a strong ABA, auxin, and ethylene network and an ABA, cytokinin, and circadian rhythm network in both WD shoot and WD root. CONCLUSIONS This work supports previous findings in detached leaf studies suggesting ABA-responsive binding factor 2 (ABF2) is a central regulator in ABA signaling in the WD shoot. Likewise, ABF2 may have a key role in V. riparia WD shoot and WD root. A role for ABF3 was indicated only in WD root. WD shoot and WD root hormone expression analysis identified strong ABA, auxin, ethylene, cytokinin, and circadian rhythm signaling networks. These results present the first ABA, cytokinin, and circadian rhythm signaling network in roots under water deficit. These networks point to organ specific regulators that should be explored to further define the communication network from soil to shoot.
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Affiliation(s)
- Vedbar Singh Khadka
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
- JABSOM Bioinformatics Core, Department of Complementary & Integrative Medicine, University of Hawaii, Honolulu, HI USA
| | - Kimberley Vaughn
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
| | - Juan Xie
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
- South Dakota State University, Brookings, SD 57006 USA
| | - Padmapriya Swaminathan
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
- South Dakota State University, Brookings, SD 57006 USA
| | - Qin Ma
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
- South Dakota State University, Brookings, SD 57006 USA
| | - Grant R. Cramer
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV USA
| | - Anne Y. Fennell
- McFadden BioStress Laboratory, Agronomy, Horticulture, and Plant Science Department, South Dakota State University, Brookings, SD 57006 USA
- South Dakota State University, Brookings, SD 57006 USA
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Degu A, Hochberg U, Wong DCJ, Alberti G, Lazarovitch N, Peterlunger E, Castellarin SD, Herrera JC, Fait A. Swift metabolite changes and leaf shedding are milestones in the acclimation process of grapevine under prolonged water stress. BMC PLANT BIOLOGY 2019; 19:69. [PMID: 30744556 PMCID: PMC6371445 DOI: 10.1186/s12870-019-1652-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 01/14/2019] [Indexed: 05/06/2023]
Abstract
BACKGROUND Grape leaves provide the biochemical substrates for berry development. Thus, understanding the regulation of grapevine leaf metabolism can aid in discerning processes fundamental to fruit development and berry quality. Here, the temporal alterations in leaf metabolism in Merlot grapevine grown under sufficient irrigation and water deficit were monitored from veraison until harvest. RESULTS The vines mediated water stress gradually and involving multiple strategies: osmotic adjustment, transcript-metabolite alteration and leaf shedding. Initially stomatal conductance and leaf water potential showed a steep decrease together with the induction of stress related metabolism, e.g. up-regulation of proline and GABA metabolism and stress related sugars, and the down-regulation of developmental processes. Later, progressive soil drying was associated with an incremental contribution of Ca2+ and sucrose to the osmotic adjustment concomitant with the initiation of leaf shedding. Last, towards harvest under progressive stress conditions following leaf shedding, incremental changes in leaf water potential were measured, while the magnitude of perturbation in leaf metabolism lessened. CONCLUSIONS The data present evidence that over time grapevine acclimation to water stress diversifies in temporal responses encompassing the alteration of central metabolism and gene expression, osmotic adjustments and reduction in leaf area. Together these processes mitigate leaf water stress and aid in maintaining the berry-ripening program.
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Affiliation(s)
- Asfaw Degu
- The French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institute for Desert Research, Ben-Gurion University of the Negev, Sede Boqer campus, Midreshet Ben Gurion, Israel
- College of Agriculture and Environmental Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Uri Hochberg
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy
- Intitute of Soil, Water and Environmental Sciences, Agricultural Research Organization Rishon LeZion, Rishon LeZion, Israel
| | - Darren C. J. Wong
- Wine Research Centre, The University of British Columbia, Vancouver, Canada
| | - Giorgio Alberti
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy
| | - Naftali Lazarovitch
- The French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institute for Desert Research, Ben-Gurion University of the Negev, Sede Boqer campus, Midreshet Ben Gurion, Israel
| | - Enrico Peterlunger
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy
| | | | - Jose C. Herrera
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Udine, Italy
- Division of Viticulture and Pomology, Department of Crop Sciences, University of Natural Resources and Life Sciences Vienna (BOKU), Tulln, Austria
| | - Aaron Fait
- The French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institute for Desert Research, Ben-Gurion University of the Negev, Sede Boqer campus, Midreshet Ben Gurion, Israel
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21
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Cochetel N, Météier E, Merlin I, Hévin C, Pouvreau JB, Coutos-Thévenot P, Hernould M, Vivin P, Cookson SJ, Ollat N, Lauvergeat V. Potential contribution of strigolactones in regulating scion growth and branching in grafted grapevine in response to nitrogen availability. JOURNAL OF EXPERIMENTAL BOTANY 2018; 69:4099-4112. [PMID: 29860350 PMCID: PMC6054193 DOI: 10.1093/jxb/ery206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 05/22/2018] [Indexed: 05/06/2023]
Abstract
In grafted plants, rootstocks assure the mineral nutrition of the scion and modify its development. In this study, we show that two grapevine rootstock genotypes have different shoot branching architectures when cultivated as cuttings and that this trait is transmitted to the scion when grafted. Shoot branching plasticity in response to nitrogen supply was also studied. As strigolactones are known to have a role in the regulation of shoot development in response to nutrient availability, their involvement in the control of scion architecture by the rootstock was investigated. Functional characterization of putative grapevine strigolactone biosynthetic genes in Arabidopsis mutants or grapevine cell suspensions showed similar functions to those of Arabidopsis. Both rootstocks produced strigolactone-like compounds; the quantity produced in response to nitrogen treatments differed between the two rootstock genotypes and correlated with the expression of putative strigolactone biosynthetic genes. Exudation of strigolactone-like compounds by both rootstocks was closely related to the developmental pattern of the scion in grafted plants. These results suggest that differential regulation of strigolactone biosynthesis in response to nitrogen availability may contribute to the control of scion development conferred by each rootstock genotype.
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Affiliation(s)
- Noé Cochetel
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Eloïse Météier
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Isabelle Merlin
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Cyril Hévin
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Jean-Bernard Pouvreau
- LBPV, Laboratoire de Biologie et de Pathologie Végétales, EA 1157, SFR 4207 QUASAV, UFR Sciences et Techniques, Université de Nantes, Nantes, France
| | - Pierre Coutos-Thévenot
- SEVE, Laboratoire Sucres & Echanges Végétaux-Environnement, UMR Ecologie et Biologie des Interactions CNRS 7267, Université de Poitiers, Poitiers, France
| | - Michel Hernould
- BFP, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Philippe Vivin
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Sarah Jane Cookson
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Nathalie Ollat
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
| | - Virginie Lauvergeat
- EGFV, Bordeaux Sciences Agro, INRA, Université de Bordeaux, Villenave d’Ornon, France
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22
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Peccoux A, Loveys B, Zhu J, Gambetta GA, Delrot S, Vivin P, Schultz HR, Ollat N, Dai Z. Dissecting the rootstock control of scion transpiration using model-assisted analyses in grapevine. TREE PHYSIOLOGY 2018; 38:1026-1040. [PMID: 29228360 DOI: 10.1093/treephys/tpx153] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 10/31/2017] [Indexed: 05/06/2023]
Abstract
How rootstocks contribute to the control of scion transpiration under drought is poorly understood. We investigated the role of root characteristics, hydraulic conductance and chemical signals (abscisic acid, ABA) in the response of stomatal conductance (gs) and transpiration (E) to drought in Cabernet Sauvignon (Vitis vinifera) grafted onto drought-sensitive (Vitis riparia) and drought-tolerant (Vitis berlandieri × Vitis rupestris 110R) rootstocks. All combinations showed a concomitant reduction in gs and E, and an increase in xylem sap ABA concentration during the drought cycle. Cabernet Sauvignon grafted onto 110R exhibited higher gs and E under well-watered and moderate water deficit, but all combinations converged as water deficit increased. These results were integrated into three permutations of a whole-plant transpiration model that couples both chemical (i.e., ABA) and hydraulic signals in the modelling of stomatal control. Model comparisons revealed that both hydraulic and chemical signals were important for rootstock-specific stomatal regulation. Moreover, model parameter comparison and sensitivity analysis highlighted two major parameters differentiating the rootstocks: (i) ABA biosynthetic activity and (ii) the hydraulic conductance between the rhizosphere and soil-root interface determined by root system architecture. These differences in root architecture, specifically a higher root length area in 110R, likely explain its higher E and gs observed at low and moderate water deficit.
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Affiliation(s)
- Anthony Peccoux
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
- Hochschule Geisenheim University, von-Lade-Straße 1, Geisenheim, Germany
| | - Brian Loveys
- CSIRO Plant Industry, Glen Osmond, SA, Australia
| | - Junqi Zhu
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
| | - Gregory A Gambetta
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
| | - Serge Delrot
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
| | - Philippe Vivin
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
| | - Hans R Schultz
- Hochschule Geisenheim University, von-Lade-Straße 1, Geisenheim, Germany
| | - Nathalie Ollat
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
| | - Zhanwu Dai
- EGFV, Bordeaux Sciences Agro, CNRS, INRA, ISVV, Université de Bordeaux, Villenave d'Ornon, France
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23
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24
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Wong DCJ, Lopez Gutierrez R, Gambetta GA, Castellarin SD. Genome-wide analysis of cis-regulatory element structure and discovery of motif-driven gene co-expression networks in grapevine. DNA Res 2017; 24:311-326. [PMID: 28119334 PMCID: PMC5499852 DOI: 10.1093/dnares/dsw061] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 12/13/2016] [Indexed: 11/29/2022] Open
Abstract
Coordinated transcriptional and metabolic reprogramming ensures a plant’s continued growth and survival under adverse environmental conditions. Transcription factors (TFs) act to modulate gene expression through complex cis-regulatory element (CRE) interactions. Genome-wide analysis of known plant CREs was performed for all currently predicted protein-coding gene promoters in grapevine (Vitis vinifera L.). Many CREs such as abscisic acid (ABA)-responsive, drought-responsive, auxin-responsive, and evening elements, exhibit bona fide CRE properties such as strong position bias towards the transcription start site (TSS) and over-representation when compared with random promoters. Genes containing these CREs are enriched in a large repertoire of plant biological pathways. Large-scale transcriptome analyses also show that these CREs are highly implicated in grapevine development and stress response. Numerous CRE-driven modules in condition-specific gene co-expression networks (GCNs) were identified and many of these modules were highly enriched for plant biological functions. Several modules corroborate known roles of CREs in drought response, pathogen defense, cell wall metabolism, and fruit ripening, whereas others reveal novel functions in plants. Comparisons with Arabidopsis suggest a general conservation in promoter architecture, gene expression dynamics, and GCN structure across species. Systems analyses of CREs provide insights into the grapevine cis-regulatory code and establish a foundation for future genomic studies in grapevine.
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Affiliation(s)
| | | | - Gregory Alan Gambetta
- Ecophysiologie et Génomique Fonctionnelle de la Vigne, Bordeaux Sciences Agro, INRA, Université de Bordeaux, 33140 Villenave d'Ornon, France
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25
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Savoi S, Wong DCJ, Degu A, Herrera JC, Bucchetti B, Peterlunger E, Fait A, Mattivi F, Castellarin SD. Multi-Omics and Integrated Network Analyses Reveal New Insights into the Systems Relationships between Metabolites, Structural Genes, and Transcriptional Regulators in Developing Grape Berries ( Vitis vinifera L.) Exposed to Water Deficit. FRONTIERS IN PLANT SCIENCE 2017; 8:1124. [PMID: 28740499 DOI: 10.2174/9781608059300117010001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 06/12/2017] [Indexed: 05/24/2023]
Abstract
Grapes are one of the major fruit crops and they are cultivated in many dry environments. This study comprehensively characterizes the metabolic response of grape berries exposed to water deficit at different developmental stages. Increases of proline, branched-chain amino acids, phenylpropanoids, anthocyanins, and free volatile organic compounds have been previously observed in grape berries exposed to water deficit. Integrating RNA-sequencing analysis of the transcriptome with large-scale analysis of central and specialized metabolites, we reveal that these increases occur via a coordinated regulation of key structural pathway genes. Water deficit-induced up-regulation of flavonoid genes is also coordinated with the down-regulation of many stilbene synthases and a consistent decrease in stilbenoid concentration. Water deficit activated both ABA-dependent and ABA-independent signal transduction pathways by modulating the expression of several transcription factors. Gene-gene and gene-metabolite network analyses showed that water deficit-responsive transcription factors such as bZIPs, AP2/ERFs, MYBs, and NACs are implicated in the regulation of stress-responsive metabolites. Enrichment of known and novel cis-regulatory elements in the promoters of several ripening-specific/water deficit-induced modules further affirms the involvement of a transcription factor cross-talk in the berry response to water deficit. Together, our integrated approaches show that water deficit-regulated gene modules are strongly linked to key fruit-quality metabolites and multiple signal transduction pathways may be critical to achieve a balance between the regulation of the stress-response and the berry ripening program. This study constitutes an invaluable resource for future discoveries and comparative studies, in grapes and other fruits, centered on reproductive tissue metabolism under abiotic stress.
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Affiliation(s)
- Stefania Savoi
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund MachSan Michele all'Adige, Italy
| | - Darren C J Wong
- Wine Research Centre, The University of British Columbia, VancouverBC, Canada
| | - Asfaw Degu
- The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the NegevSede Boqer, Israel
| | - Jose C Herrera
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Barbara Bucchetti
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Enrico Peterlunger
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Aaron Fait
- The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the NegevSede Boqer, Israel
| | - Fulvio Mattivi
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund MachSan Michele all'Adige, Italy
- Center Agriculture Food Environment, University of TrentoSan Michele all'Adige, Italy
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26
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Savoi S, Wong DCJ, Degu A, Herrera JC, Bucchetti B, Peterlunger E, Fait A, Mattivi F, Castellarin SD. Multi-Omics and Integrated Network Analyses Reveal New Insights into the Systems Relationships between Metabolites, Structural Genes, and Transcriptional Regulators in Developing Grape Berries ( Vitis vinifera L.) Exposed to Water Deficit. FRONTIERS IN PLANT SCIENCE 2017; 8:1124. [PMID: 28740499 PMCID: PMC5502274 DOI: 10.3389/fpls.2017.01124] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 06/12/2017] [Indexed: 05/19/2023]
Abstract
Grapes are one of the major fruit crops and they are cultivated in many dry environments. This study comprehensively characterizes the metabolic response of grape berries exposed to water deficit at different developmental stages. Increases of proline, branched-chain amino acids, phenylpropanoids, anthocyanins, and free volatile organic compounds have been previously observed in grape berries exposed to water deficit. Integrating RNA-sequencing analysis of the transcriptome with large-scale analysis of central and specialized metabolites, we reveal that these increases occur via a coordinated regulation of key structural pathway genes. Water deficit-induced up-regulation of flavonoid genes is also coordinated with the down-regulation of many stilbene synthases and a consistent decrease in stilbenoid concentration. Water deficit activated both ABA-dependent and ABA-independent signal transduction pathways by modulating the expression of several transcription factors. Gene-gene and gene-metabolite network analyses showed that water deficit-responsive transcription factors such as bZIPs, AP2/ERFs, MYBs, and NACs are implicated in the regulation of stress-responsive metabolites. Enrichment of known and novel cis-regulatory elements in the promoters of several ripening-specific/water deficit-induced modules further affirms the involvement of a transcription factor cross-talk in the berry response to water deficit. Together, our integrated approaches show that water deficit-regulated gene modules are strongly linked to key fruit-quality metabolites and multiple signal transduction pathways may be critical to achieve a balance between the regulation of the stress-response and the berry ripening program. This study constitutes an invaluable resource for future discoveries and comparative studies, in grapes and other fruits, centered on reproductive tissue metabolism under abiotic stress.
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Affiliation(s)
- Stefania Savoi
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund MachSan Michele all’Adige, Italy
| | - Darren C. J. Wong
- Wine Research Centre, The University of British Columbia, VancouverBC, Canada
| | - Asfaw Degu
- The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the NegevSede Boqer, Israel
| | - Jose C. Herrera
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Barbara Bucchetti
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Enrico Peterlunger
- Department of Agricultural, Food, Environmental and Animal Sciences, University of UdineUdine, Italy
| | - Aaron Fait
- The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the NegevSede Boqer, Israel
| | - Fulvio Mattivi
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund MachSan Michele all’Adige, Italy
- Center Agriculture Food Environment, University of TrentoSan Michele all’Adige, Italy
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27
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Serrano A, Espinoza C, Armijo G, Inostroza-Blancheteau C, Poblete E, Meyer-Regueiro C, Arce A, Parada F, Santibáñez C, Arce-Johnson P. Omics Approaches for Understanding Grapevine Berry Development: Regulatory Networks Associated with Endogenous Processes and Environmental Responses. FRONTIERS IN PLANT SCIENCE 2017; 8:1486. [PMID: 28936215 PMCID: PMC5594091 DOI: 10.3389/fpls.2017.01486] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 08/10/2017] [Indexed: 05/21/2023]
Abstract
Grapevine fruit development is a dynamic process that can be divided into three stages: formation (I), lag (II), and ripening (III), in which physiological and biochemical changes occur, leading to cell differentiation and accumulation of different solutes. These stages can be positively or negatively affected by multiple environmental factors. During the last decade, efforts have been made to understand berry development from a global perspective. Special attention has been paid to transcriptional and metabolic networks associated with the control of grape berry development, and how external factors affect the ripening process. In this review, we focus on the integration of global approaches, including proteomics, metabolomics, and especially transcriptomics, to understand grape berry development. Several aspects will be considered, including seed development and the production of seedless fruits; veraison, at which anthocyanin accumulation begins in the berry skin of colored varieties; and hormonal regulation of berry development and signaling throughout ripening, focusing on the transcriptional regulation of hormone receptors, protein kinases, and genes related to secondary messenger sensing. Finally, berry responses to different environmental factors, including abiotic (temperature, water-related stress and UV-B radiation) and biotic (fungi and viruses) stresses, and how they can significantly modify both, development and composition of vine fruit, will be discussed. Until now, advances have been made due to the application of Omics tools at different molecular levels. However, the potential of these technologies should not be limited to the study of single-level questions; instead, data obtained by these platforms should be integrated to unravel the molecular aspects of grapevine development. Therefore, the current challenge is the generation of new tools that integrate large-scale data to assess new questions in this field, and to support agronomical practices.
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Affiliation(s)
- Alejandra Serrano
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Carmen Espinoza
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Grace Armijo
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Claudio Inostroza-Blancheteau
- Núcleo de Investigación en Producción Alimentaría, Facultad de Recursos Naturales, Escuela de Agronomía, Universidad Católica de TemucoTemuco, Chile
| | - Evelyn Poblete
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Carlos Meyer-Regueiro
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Anibal Arce
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Francisca Parada
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
| | - Claudia Santibáñez
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
- Ecophysiology and Functional Genomic of Grapevine, Institut des Sciences de la Vigne et du Vin, Institut National de la Recherche Agronomique, Université de BordeauxBordeaux, France
| | - Patricio Arce-Johnson
- Laboratorio de Biología Molecular y Biotecnología Vegetal, Departamento de Genética Molecular y Microbiología, Pontificia Universidad Católica de ChileSantiago, Chile
- *Correspondence: Patricio Arce-Johnson,
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