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Xu E, Liu Y, Gu D, Zhan X, Li J, Zhou K, Zhang P, Zou Y. Molecular Mechanisms of Plant Responses to Copper: From Deficiency to Excess. Int J Mol Sci 2024; 25:6993. [PMID: 39000099 PMCID: PMC11240974 DOI: 10.3390/ijms25136993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/20/2024] [Accepted: 06/22/2024] [Indexed: 07/16/2024] Open
Abstract
Copper (Cu) is an essential nutrient for plant growth and development. This metal serves as a constituent element or enzyme cofactor that participates in many biochemical pathways and plays a key role in photosynthesis, respiration, ethylene sensing, and antioxidant systems. The physiological significance of Cu uptake and compartmentalization in plants has been underestimated, despite the importance of Cu in cellular metabolic processes. As a micronutrient, Cu has low cellular requirements in plants. However, its bioavailability may be significantly reduced in alkaline or organic matter-rich soils. Cu deficiency is a severe and widespread nutritional disorder that affects plants. In contrast, excessive levels of available Cu in soil can inhibit plant photosynthesis and induce cellular oxidative stress. This can affect plant productivity and potentially pose serious health risks to humans via bioaccumulation in the food chain. Plants have evolved mechanisms to strictly regulate Cu uptake, transport, and cellular homeostasis during long-term environmental adaptation. This review provides a comprehensive overview of the diverse functions of Cu chelators, chaperones, and transporters involved in Cu homeostasis and their regulatory mechanisms in plant responses to varying Cu availability conditions. Finally, we identified that future research needs to enhance our understanding of the mechanisms regulating Cu deficiency or stress in plants. This will pave the way for improving the Cu utilization efficiency and/or Cu tolerance of crops grown in alkaline or Cu-contaminated soils.
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Affiliation(s)
- Ending Xu
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Yuanyuan Liu
- Department of Biochemistry & Molecular Biology, College of Life Science, Nanjing Agriculture University, Nanjing 210095, China
| | - Dongfang Gu
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Xinchun Zhan
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Jiyu Li
- Institute of Horticultural Research, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Kunneng Zhou
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Peijiang Zhang
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
| | - Yu Zou
- Anhui Province Key Laboratory of Rice Germplasm Innovation and Molecular Improvement, Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China
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Hussain Q, Ye T, Li S, Nkoh JN, Zhou Q, Shang C. Genome-Wide Identification and Expression Analysis of the Copper Transporter ( COPT/ Ctr) Gene Family in Kandelia obovata, a Typical Mangrove Plant. Int J Mol Sci 2023; 24:15579. [PMID: 37958561 PMCID: PMC10648262 DOI: 10.3390/ijms242115579] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
The copper transporter (COPT/Ctr) gene family plays a critical part in maintaining the balance of the metal, and many diverse species depend on COPT to move copper (Cu) across the cell membrane. In Arabidopsis thaliana, Oryza sativa, Medicago sativa, Zea mays, Populus trichocarpa, Vitis vinifera, and Solanum lycopersicum, a genome-wide study of the COPT protein family was performed. To understand the major roles of the COPT gene family in Kandelia obovata (Ko), a genome-wide study identified four COPT genes in the Kandelia obovata genome for the first time. The domain and 3D structural variation, phylogenetic tree, chromosomal distributions, gene structure, motif analysis, subcellular localization, cis-regulatory elements, synteny and duplication analysis, and expression profiles in leaves and Cu were all investigated in this research. Structural and sequence investigations show that most KoCOPTs have three transmembrane domains (TMDs). According to phylogenetic research, these KoCOPTs might be divided into two subgroups, just like Populus trichocarpa. KoCOPT gene segmental duplications and positive selection pressure were discovered by universal analysis. According to gene structure and motif analysis, most KoCOPT genes showed consistent exon-intron and motif organization within the same group. In addition, we found five hormones and four stress- and seven light-responsive cis-elements in the KoCOPTs promoters. The expression studies revealed that all four genes changed their expression levels in response to copper (CuCl2) treatments. In summary, our study offers a thorough overview of the Kandelia obovata COPT gene family's expression pattern and functional diversity, making it easier to characterize each KoCOPT gene's function in the future.
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Affiliation(s)
- Quaid Hussain
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ting Ye
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
| | - Sihui Li
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
| | - Jackson Nkoh Nkoh
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Qiao Zhou
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Chenjing Shang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (Q.H.); (T.Y.); (S.L.); (J.N.N.); (Q.Z.)
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Romero P, Lafuente MT. Molecular Responses of Red Ripe Tomato Fruit to Copper Deficiency Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:2062. [PMID: 37653979 PMCID: PMC10220619 DOI: 10.3390/plants12102062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 09/02/2023]
Abstract
Fruit nutritional value, plant growth, and yield can be compromised by deficient copper (Cu) bioavailability, which often appears in arable lands. This condition causes low Cu content and modifications in the ripening-associated processes in tomato fruit. This research studies the transcriptomic changes that occur in red ripe tomato fruit grown under suboptimal Cu conditions to shed light on the molecular mechanisms underlying this stress. Comparative RNA-sequencing and functional analyses revealed that Cu deficiency during cultivation activates signals for metal ion transport, cellular redox homeostasis, pyridoxal phosphate binding, and amino acid metabolism while repressing the response to phosphate starvation in harvested fruit. Transcriptomic analyses highlighted a number of novel Cu stress-responsive genes of unknown function and indicated that Cu homeostasis regulation in tomato fruit may involve additional components than those described in model plants. It also studied the regulation of high-affinity Cu transporters and a number of well-known Cu stress-responsive genes during tomato fruit ripening depending on Cu availability, which allowed potential candidates to be targeted for biotechnological improvements in reproductive tissues. We provide the first study characterizing the molecular responses of fruit to Cu deficiency stress for any fruit crop.
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Affiliation(s)
- Paco Romero
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Avenida Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain;
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Physiological and Molecular Mechanisms of Plant Responses to Copper Stress. Int J Mol Sci 2022; 23:ijms232112950. [PMID: 36361744 PMCID: PMC9656524 DOI: 10.3390/ijms232112950] [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: 10/04/2022] [Revised: 10/22/2022] [Accepted: 10/23/2022] [Indexed: 11/25/2022] Open
Abstract
Copper (Cu) is an essential micronutrient for humans, animals, and plants, and it participates in various morphological, physiological, and biochemical processes. Cu is a cofactor for a variety of enzymes, and it plays an important role in photosynthesis, respiration, the antioxidant system, and signal transduction. Many studies have demonstrated the adverse effects of excess Cu on crop germination, growth, photosynthesis, and antioxidant activity. This review summarizes the biological functions of Cu, the toxicity of excess Cu to plant growth and development, the roles of Cu transport proteins and chaperone proteins, and the transport process of Cu in plants, as well as the mechanisms of detoxification and tolerance of Cu in plants. Future research directions are proposed, which provide guidelines for related research.
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Ceasar SA, Maharajan T, Hillary VE, Ajeesh Krishna TP. Insights to improve the plant nutrient transport by CRISPR/Cas system. Biotechnol Adv 2022; 59:107963. [PMID: 35452778 DOI: 10.1016/j.biotechadv.2022.107963] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/09/2022] [Accepted: 04/14/2022] [Indexed: 02/06/2023]
Abstract
We need to improve food production to feed the ever growing world population especially in a changing climate. Nutrient deficiency in soils is one of the primary bottlenecks affecting the crop production both in developed and developing countries. Farmers are forced to apply synthetic fertilizers to improve the crop production to meet the demand. Understanding the mechanism of nutrient transport is helpful to improve the nutrient-use efficiency of crops and promote the sustainable agriculture. Many transporters involved in the acquisition, export and redistribution of nutrients in plants are characterized. In these studies, heterologous systems like yeast and Xenopus were most frequently used to study the transport function of plant nutrient transporters. CRIPSR/Cas system introduced recently has taken central stage for efficient genome editing in diverse organisms including plants. In this review, we discuss the key nutrient transporters involved in the acquisition and redistribution of nutrients from soil. We draw insights on the possible application CRISPR/Cas system for improving the nutrient transport in plants by engineering key residues of nutrient transporters, transcriptional regulation of nutrient transport signals, engineering motifs in promoters and transcription factors. CRISPR-based engineering of plant nutrient transport not only helps to study the process in native plants with conserved regulatory system but also aid to develop non-transgenic crops with better nutrient use-efficiency. This will reduce the application of synthetic fertilizers and promote the sustainable agriculture strengthening the food and nutrient security.
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Affiliation(s)
| | | | - V Edwin Hillary
- Department of Biosciences, Rajagiri College of Social Sciences, Kochi 683104, Kerala, India
| | - T P Ajeesh Krishna
- Department of Biosciences, Rajagiri College of Social Sciences, Kochi 683104, Kerala, India
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Romero P, Gabrielli A, Sampedro R, Perea-García A, Puig S, Lafuente MT. Identification and molecular characterization of the high-affinity copper transporters family in Solanum lycopersicum. Int J Biol Macromol 2021; 192:600-610. [PMID: 34655579 DOI: 10.1016/j.ijbiomac.2021.10.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/27/2021] [Accepted: 10/03/2021] [Indexed: 11/17/2022]
Abstract
Copper (Cu) plays a key role as cofactor in the plant proteins participating in essential cellular processes, such as electron transport and free radical scavenging. Despite high-affinity Cu transporters (COPTs) being key participants in Cu homeostasis maintenance, very little is known about COPTs in tomato (Solanum lycopersicum) even though it is the most consumed fruit worldwide and this crop is susceptible to suboptimal Cu conditions. In this study, a six-member family of COPT (SlCOPT1-6) was identified and characterized. SlCOPTs have a conserved architecture consisting of three transmembrane domains and β-strains. However, the presence of essential methionine residues, a methionine-enriched amino-terminal region, an Mx3Mx12Gx3G Cu-binding motif and a cysteine rich carboxy-terminal region, all required for their functionality, is more variable among members. Accordingly, functional complementation assays in yeast indicate that SlCOPT1 and SlCOPT2 are able to transport Cu inside the cell, while SlCOPT3 and SlCOPT5 are only partially functional. In addition, protein interaction network analyses reveal the connection between SlCOPTs and Cu PIB-type ATPases, other metal transporters, and proteins related to the peroxisome. Gene expression analyses uncover organ-dependency, fruit vasculature tissue specialization and ripening-dependent gene expression profiles, as well as different response to Cu deficiency or toxicity in an organ-dependent manner.
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Affiliation(s)
- Paco Romero
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
| | - Alessandro Gabrielli
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
| | - Raúl Sampedro
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
| | - Ana Perea-García
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
| | - Sergi Puig
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
| | - María Teresa Lafuente
- Department of Food Biotechnology, Institute of Agrochemistry and Food Technology (IATA-CSIC), Catedrático Agustín Escardino 7, 46980 Paterna, Valencia, Spain.
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Bodin E, Bellée A, Dufour MC, André O, Corio-Costet MF. Grapevine Stimulation: A Multidisciplinary Approach to Investigate the Effects of Biostimulants and a Plant Defense Stimulator. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:15085-15096. [PMID: 33315399 DOI: 10.1021/acs.jafc.0c05849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The increasing use of plant defense stimulators (PDS) and biostimulants (BS) to make agriculture more sustainable has led to questions about their action on plants. A new PhysBioGen approach is proposed with complementary tools: PHYSiological (root weight); BIOchemical and BIOlogical (secondary metabolite quantification and Plasmopara viticola development) and expressions of 161 GENes involved in metabolic plant functions. The proposed approach investigated the effects of three phytostimulants on Vitis vinifera: one PDS (ASM) and one BS chelated (CH) and another enriched with seaweed (SW). Distinct responses were obtained between the PDS and the two BS. In particular, we observed the persistence of anti-mildew efficacy over time, correlated with differentiated expressions of defense genes (VvROMT, VvSAMT, VvPR8). As expected, the two BS displayed more similarities to each other than to the PDS (flavonols, anthocyanins, free salicylic acid). However, the two BS revealed differences in the modulation of genes involved in defense and primary metabolism and some genes were identified as potential markers of their action (VvWRKY1, VvLOX9, VvPOD, VvPDV1, VvXIP1, VVDnaJ). Our results highlight the common and the specific effects of the two BS and the PDS. These new tools could help in understanding the mode of action of phytostimulants in order to achieve better quality and production yield and/or as a way to limit chemical inputs in the vineyard.
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Affiliation(s)
- Enora Bodin
- INRAE, UMR Santé et Agroécologie du Vignoble (1065), ISVV, Labex Cote, Plant Health Department, INRAE, CS 20032, 33882 Villenave d'Ornon, France
- De Sangosse, Bonnel, 47480 Pont-Du-Casse, France
| | - Anthony Bellée
- INRAE, UMR Santé et Agroécologie du Vignoble (1065), ISVV, Labex Cote, Plant Health Department, INRAE, CS 20032, 33882 Villenave d'Ornon, France
| | - Marie-Cécile Dufour
- INRAE, UMR Santé et Agroécologie du Vignoble (1065), ISVV, Labex Cote, Plant Health Department, INRAE, CS 20032, 33882 Villenave d'Ornon, France
| | | | - Marie-France Corio-Costet
- INRAE, UMR Santé et Agroécologie du Vignoble (1065), ISVV, Labex Cote, Plant Health Department, INRAE, CS 20032, 33882 Villenave d'Ornon, France
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Hsu CC, Chen SY, Lai PH, Hsiao YY, Tsai WC, Liu ZJ, Chung MC, Panaud O, Chen HH. Identification of high-copy number long terminal repeat retrotransposons and their expansion in Phalaenopsis orchids. BMC Genomics 2020; 21:807. [PMID: 33213366 PMCID: PMC7678294 DOI: 10.1186/s12864-020-07221-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 11/09/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Transposable elements (TEs) are fragments of DNA that can insert into new chromosomal locations. They represent a great proportion of eukaryotic genomes. The identification and characterization of TEs facilitates understanding the transpositional activity of TEs with their effects on the orchid genome structure. RESULTS We combined the draft whole-genome sequences of Phalaenopsis equestris with BAC end sequences, Roche 454, and Illumina/Solexa, and identified long terminal repeat (LTR) retrotransposons in these genome sequences by using LTRfinder and classified by using Gepard software. Among the 10 families Gypsy-like retrotransposons, three families Gypsy1, Gypsy2, and Gypsy3, contained the most copies among these predicted elements. In addition, six high-copy retrotransposons were identified according to their reads in the sequenced raw data. The 12-kb Orchid-rt1 contains 18,000 copies representing 220 Mbp of the P. equestris genome. Southern blot and slot blot assays showed that these four retrotransposons Gypsy1, Gypsy2, Gypsy3, and Orchid-rt1 contained high copies in the large-genome-size/large-chromosome species P. violacea and P. bellina. Both Orchid-rt1 and Gypsy1 displayed various ratios of copy number for the LTR sequences versus coding sequences among four Phalaenopsis species, including P. violacea and P. bellina and small-genome-size/small-chromosome P. equestris and P. ahprodite subsp. formosana, which suggests that Orchid-rt1 and Gypsy1 have been through various mutations and homologous recombination events. FISH results showed amplification of Orchid-rt1 in the euchromatin regions among the four Phalaenopsis species. The expression levels of Peq018599 encoding copper transporter 1 is highly upregulated with the insertion of Orchid-rt1, while it is down regulated for Peq009948 and Peq014239 encoding for a 26S proteasome non-ATP regulatory subunit 4 homolog and auxin-responsive factor AUX/IAA-related. In addition, insertion of Orchid-rt1 in these three genes are all in their intron regions. CONCLUSION Orchid-rt1 and Gypsy1-3 have amplified within Phalaenopsis orchids concomitant with the expanded genome sizes, and Orchid-rt1 and Gypsy1 may have gone through various mutations and homologous recombination events. Insertion of Orchid-rt1 is in the introns and affects gene expression levels.
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Affiliation(s)
- Chia-Chi Hsu
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shu-Yun Chen
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Pei-Han Lai
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Yun Hsiao
- Orchid Research and Development Center, National Cheng Kung University, Tainan, Taiwan
| | - Wen-Chieh Tsai
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, Tainan, Taiwan
| | - Zhong-Jian Liu
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization at College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mei-Chu Chung
- Institute of Plant and Microbial Biology, Academia Sinica, Nankang, Taipei, Taiwan
| | - Olivier Panaud
- Institute of Plant Genome and Development, University of Perpignan, Perpignan, France
| | - Hong-Hwa Chen
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan. .,Orchid Research and Development Center, National Cheng Kung University, Tainan, Taiwan.
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Xi X, Zha Q, He Y, Tian Y, Jiang A. Influence of cluster thinning and girdling on aroma composition in 'Jumeigui' table grape. Sci Rep 2020; 10:6877. [PMID: 32327696 PMCID: PMC7181712 DOI: 10.1038/s41598-020-63826-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 04/06/2020] [Indexed: 12/20/2022] Open
Abstract
Cluster thinning and girdling are common and simple practices applied to improve berry quality in table grape cultivation. However, there is limited information about the accumulation and biosynthesis of the entire aromatic profile under cluster thinning and girdling, notably in table grapes. This research investigated the influences of cluster thinning and girdling (alone or in combination) on aroma profiles, particularly the changes in biosynthesis and accumulation of Muscat-flavored related compounds from véraison to harvest in 'Jumeigui' grape. Cluster thinning and girdling (alone or in combination) significantly increased the concentrations of total soluble solids (TSS) and key aromatic compounds at harvest, with higher concentrations of both under cluster thinning than girdling. Berry weight and titratable acidity (TA) were unaffected by cluster thinning, girdling, or in combination at harvest. Linalool, the most abundant and active odorant related to Muscat flavor, accumulated in 28.6% and 20.2% higher concentrations from cluster thinning than control and girdling at maturity, respectively. Furthermore, higher DXS3 transcript abundance in cluster thinning groups might contribute to the increased accumulation of terpenes and linalool in 'Jumeigui' grape. The results will contribute to further understand the mechanism of source/sink ratio modulation on aroma accumulation and better apply cluster thinning and girdling for grape production.
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Affiliation(s)
- Xiaojun Xi
- Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
- Shanghai Key Lab of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
| | - Qian Zha
- Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Lab of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Yani He
- Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Lab of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Yihua Tian
- Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Lab of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Aili Jiang
- Forestry and Pomology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
- Shanghai Key Lab of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
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Marastoni L, Sandri M, Pii Y, Valentinuzzi F, Cesco S, Mimmo T. Morphological Root Responses and Molecular Regulation of Cation Transporters Are Differently Affected by Copper Toxicity and Cropping System Depending on the Grapevine Rootstock Genotype. FRONTIERS IN PLANT SCIENCE 2019; 10:946. [PMID: 31379914 PMCID: PMC6658886 DOI: 10.3389/fpls.2019.00946] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/08/2019] [Indexed: 05/23/2023]
Abstract
The high copper (Cu) concentration in vineyard soils causes the increase of Cu toxicity symptoms in young grapevines. Recently, intercropping of grapevine and oat was shown to reduce Cu toxicity effects, modulating the root ionome. On these bases, the focus of the work was to investigate the impact of Cu toxicity of either monocropped or oat-intercropped grapevine rootstocks plants (196.17 and Fercal), at both phenotypic (i.e., root architecture), and molecular (i.e., expression of transporters) levels. The results showed a different response in terms of root morphology that are both rootstock- and cropping system dependent. Moreover, the expression pattern of transporter genes (i.e., VvCTr, VvNRAMP, and VvIRT1) in monocropped grapevine might resemble a Mn deficiency response induced by the excess of Cu, especially in Fercal plants. The gene expression in intercropped grapevines suggested rootstock-specific response mechanisms, depending on Cu levels. In fact, at low Cu concentrations, Fercal enhanced both root system growth and transporter genes expression; contrarily, 196.17 increased apoplast divalent cations accumulation and transporters expression. At high Cu concentrations, Fercal increased the expression of all bivalent cation transporters and, as previously observed, enhanced the release of root exudates, whereas the 196.17 only modulated transporters. In conclusion, our results might suggest that the different adaptation strategies of the two rootstocks to Cu toxicity could be mainly ascribable to a fine-tuning of bivalent cations transporters expression at root level.
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Affiliation(s)
| | | | - Youry Pii
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
| | | | - Stefano Cesco
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
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Escaray FJ, Antonelli CJ, Copello GJ, Puig S, Peñarrubia L, Ruiz OA, Perea-García A. Characterization of the Copper Transporters from Lotus spp. and Their Involvement under Flooding Conditions. Int J Mol Sci 2019; 20:E3136. [PMID: 31252630 PMCID: PMC6651048 DOI: 10.3390/ijms20133136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 06/20/2019] [Accepted: 06/25/2019] [Indexed: 02/07/2023] Open
Abstract
Forage legumes are an important livestock nutritional resource, which includes essential metals, such as copper. Particularly, the high prevalence of hypocuprosis causes important economic losses to Argentinian cattle agrosystems. Copper deficiency in cattle is partially due to its low content in forage produced by natural grassland, and is exacerbated by flooding conditions. Previous results indicated that incorporation of Lotus spp. into natural grassland increases forage nutritional quality, including higher copper levels. However, the biological processes and molecular mechanisms involved in copper uptake by Lotus spp. remain poorly understood. Here, we identify four genes that encode putative members of the Lotus copper transporter family, denoted COPT in higher plants. A heterologous functional complementation assay of the Saccharomyces cerevisiae ctr1∆ctr3∆ strain, which lacks the corresponding yeast copper transporters, with the putative Lotus COPT proteins shows a partial rescue of the yeast phenotypes in restrictive media. Under partial submergence conditions, the copper content of L. japonicus plants decreases and the expression of two Lotus COPT genes is induced. These results strongly suggest that the Lotus COPT proteins identified in this work function in copper uptake. In addition, the fact that environmental conditions affect the expression of certain COPT genes supports their involvement in adaptive mechanisms and envisages putative biotechnological strategies to improve cattle copper nutrition.
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Affiliation(s)
- Francisco J Escaray
- Instituto Tecnológico de Chascomús (INTECh), UNSAM/CONICET, Avda. Intendente Marino Km. 8.2, Chascomús, Buenos Aires 7130, Argentina.
- Departament de Bioquímica i Biologia Molecular, Estructura de Recerca Interdisciplinar en Biotecnologiaia i Biomedicina (ERI BIOTECMED), Universitat de València. Burjassot, 46100 Valencia, Spain.
| | - Cristian J Antonelli
- Instituto Tecnológico de Chascomús (INTECh), UNSAM/CONICET, Avda. Intendente Marino Km. 8.2, Chascomús, Buenos Aires 7130, Argentina.
- Instituto de Fisiología Vegetal (INFIVE), Universidad Nacional de La Plata (UNLP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), La Plata, Buenos Aires 1900, Argentina.
| | - Guillermo J Copello
- Instituto de Quı́mica y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Buenos Aires C113AAD, Argentina.
- Departamento de Química Analítica y Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires, Buenos Aires C113AAD, Argentina.
| | - Sergi Puig
- Instituto de Agroquímica y Tecnología de los Alimentos, Centro Superior de Investigaciones Científicas, IATA-CSIC, Paterna, 46980 Valencia, Spain.
| | - Lola Peñarrubia
- Departament de Bioquímica i Biologia Molecular, Estructura de Recerca Interdisciplinar en Biotecnologiaia i Biomedicina (ERI BIOTECMED), Universitat de València. Burjassot, 46100 Valencia, Spain.
| | - Oscar A Ruiz
- Instituto Tecnológico de Chascomús (INTECh), UNSAM/CONICET, Avda. Intendente Marino Km. 8.2, Chascomús, Buenos Aires 7130, Argentina.
| | - Ana Perea-García
- Instituto Tecnológico de Chascomús (INTECh), UNSAM/CONICET, Avda. Intendente Marino Km. 8.2, Chascomús, Buenos Aires 7130, Argentina.
- Instituto de Agroquímica y Tecnología de los Alimentos, Centro Superior de Investigaciones Científicas, IATA-CSIC, Paterna, 46980 Valencia, Spain.
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12
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Wang H, Du H, Li H, Huang Y, Ding J, Liu C, Wang N, Lan H, Zhang S. Identification and functional characterization of the ZmCOPT copper transporter family in maize. PLoS One 2018; 13:e0199081. [PMID: 30036360 PMCID: PMC6056030 DOI: 10.1371/journal.pone.0199081] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 05/31/2018] [Indexed: 12/11/2022] Open
Abstract
Copper (Cu) is an essential micronutrient for plant growth and development; Cu homeostasis in plant is maintained by the important functions of Ctr/COPT-type Cu transporters. Although the COPT genes have been identified in Arabidopsis thaliana and rice, little is known about Cu transporters in maize. In this study, three-members of putative maize Cu transporters (ZmCOPT 1, 2 and 3) are identified. ZmCOPT genes have expression in all of the tested tissues, including roots, stems, leaves and flowers (male and female), and their expression levels vary responding to stress due to Cu-deficiency and excess. Functional complementation and overexpression together with Cu uptake measurements in ZmCOPTs-transformed ctr1⊿ctr2⊿mutant strain or the wild type strain of Saccharomyces cerevisiae show that the three ZmCOPT members possess the ability to be Cu transporters. Among these, ZmCOPT1 and ZmCOPT2 have high-affinity while ZmCOPT3 has low-affinity. In addition, ZmCOPT2 tend to specifically transport Cu (I) but no other bivalent metal ions.
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Affiliation(s)
- Hongling Wang
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hanmei Du
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hongyou Li
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Ying Huang
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Jianzhou Ding
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Chan Liu
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Ning Wang
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hai Lan
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Suzhi Zhang
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest China of Agricultural Department, Ministry of Agriculture, Maize Research Institute, Sichuan Agricultural University, Chengdu, China
- * E-mail:
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13
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Martins V, Carneiro F, Conde C, Sottomayor M, Gerós H. The grapevine VvCAX3 is a cation/H + exchanger involved in vacuolar Ca 2+ homeostasis. PLANTA 2017; 246:1083-1096. [PMID: 28801786 DOI: 10.1007/s00425-017-2754-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 08/03/2017] [Indexed: 05/05/2023]
Abstract
The grapevine VvCAX3 mediates calcium transport in the vacuole and is mostly expressed in green grape berries and upregulated by Ca 2+ , Na + and methyl jasmonate. Calcium is an essential plant nutrient with important regulatory and structural roles in the berries of grapevine (Vitis vinifera L.). On the other hand, the proton-cation exchanger CAX proteins have been shown to impact Ca2+ homeostasis with important consequences for fruit integrity and resistance to biotic/abiotic stress. Here, the CAX gene found in transcriptomic databases as having one of the highest expressions in grapevine tissues, VvCAX3, was cloned and functionally characterized. Heterologous expression in yeast showed that a truncated version of VvCAX3 lacking its NNR autoinhibitory domain (sCAX3) restored the ability of the yeast strain to grow in 100-200 mM Ca2+, demonstrating a role in Ca2+ transport. The truncated VvCAX3 was further shown to be involved in the transport of Na+, Li+, Mn2+ and Cu2+ in yeast cells. Subcellular localization studies using fluorescently tagged proteins confirmed VvCAX3 as a tonoplast transporter. VvCAX3 is expressed in grapevine stems, leaves, roots, and berries, especially at pea size, decreasing gradually throughout development, in parallel with the pattern of calcium accumulation in the fruit. The transcript abundance of VvCAX3 was shown to be regulated by methyl jasmonate (MeJA), Ca2+, and Na+ in grape cell suspensions, and the VvCAX3 promotor contains several predicted cis-acting elements related to developmental and stress response processes. As a whole, the results obtained add new insights on the mechanisms involved in calcium homeostasis and intracellular compartmentation in grapevine, and indicate that VvCAX3 may be an interesting target towards the development of strategies for enhancement of grape berry properties.
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Affiliation(s)
- Viviana Martins
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas, CITAB-UMinho Pole, Departamento de Biologia, Escola de Ciências, Universidade do Minho, Braga, Portugal.
| | - Filipa Carneiro
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas, CITAB-UMinho Pole, Departamento de Biologia, Escola de Ciências, Universidade do Minho, Braga, Portugal
| | - Carlos Conde
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC, Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Mariana Sottomayor
- CIBIO-InBIO, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Hernâni Gerós
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas, CITAB-UMinho Pole, Departamento de Biologia, Escola de Ciências, Universidade do Minho, Braga, Portugal
- Centro de Biologia Molecular e Ambiental (CBMA), Departamento de Biologia, Escola de Ciências, Universidade do Minho, Braga, Portugal
- Centro de Engenharia Biológica (CEB), Universidade do Minho, Braga, Portugal
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14
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15
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Noronha H, Araújo D, Conde C, Martins AP, Soveral G, Chaumont F, Delrot S, Gerós H. The Grapevine Uncharacterized Intrinsic Protein 1 (VvXIP1) Is Regulated by Drought Stress and Transports Glycerol, Hydrogen Peroxide, Heavy Metals but Not Water. PLoS One 2016; 11:e0160976. [PMID: 27504956 PMCID: PMC4978503 DOI: 10.1371/journal.pone.0160976] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 07/27/2016] [Indexed: 12/21/2022] Open
Abstract
A MIP (Major Intrinsic Protein) subfamily called Uncharacterized Intrinsic Proteins (XIP) was recently described in several fungi and eudicot plants. In this work, we cloned a XIP from grapevine, VvXIP1, and agrobacterium-mediated transformation studies in Nicotiana benthamiana revealed that the encoded aquaporin shows a preferential localization at the endoplasmic reticulum membrane. Stopped-flow spectrometry in vesicles from the aqy-null yeast strain YSH1172 overexpressing VvXIP1 showed that VvXIP1 is unable to transport water but is permeable to glycerol. Functional studies with the ROS sensitive probe CM-H2DCFDA in intact transformed yeasts showed that VvXIP1 is also able to permeate hydrogen peroxide (H2O2). Drop test growth assays showed that besides glycerol and H2O2, VvXIP1 also transports boric acid, copper, arsenic and nickel. Furthermore, we found that VvXIP1 transcripts were abundant in grapevine leaves from field grown plants and strongly repressed after the imposition of severe water-deficit conditions in potted vines. The observed downregulation of VvXIP1 expression in cultured grape cells in response to ABA and salt, together with the increased sensitivity to osmotic stress displayed by the aqy-null yeast overexpressing VvXIP1, corroborates the role of VvXIP1 in osmotic regulation besides its involvement in H2O2 transport and metal homeostasis.
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Affiliation(s)
- Henrique Noronha
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas CITAB, Vila Real, Portugal
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
| | - Diogo Araújo
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas CITAB, Vila Real, Portugal
| | - Carlos Conde
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- IBMC; Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
| | - Ana P. Martins
- Research Institute for Medicines and Pharmaceutical Sciences (iMed.UL) University of Lisbon, Lisbon, Portugal
| | - Graça Soveral
- Research Institute for Medicines and Pharmaceutical Sciences (iMed.UL) University of Lisbon, Lisbon, Portugal
| | - François Chaumont
- Institut des Science de la Vie, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Serge Delrot
- INRA, ISVV, Ecophysiologie et Génomique Fonctionnelle de la Vigne, UMR 1287, Université de Bordeaux, Villenave D’Ornon, France
| | - Hernâni Gerós
- Centro de Investigação e de Tecnologias Agro-ambientais e Biológicas CITAB, Vila Real, Portugal
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
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16
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Dong Z, Guan L, Wang C, Xu H, Li Z, Li F. Reconstruction of a helical trimer by the second transmembrane domain of human copper transporter 2 in micelles and the binding of the trimer to silver. RSC Adv 2016. [DOI: 10.1039/c5ra24889b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The second transmembrane domain of human copper transporter 2 (hCtr2-TMD2) forms a trimer with a weaker intermolecular interaction and a lower affinity for Ag(I) than hCtr1-TMD2 trimer.
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Affiliation(s)
- Zhe Dong
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Liping Guan
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Chunyu Wang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Haoran Xu
- Key Laboratory for Molecular Enzymology & Engineering
- The Ministry of Education
- Jilin University
- Changchun 130012
- P. R. China
| | - Zhengqiang Li
- Key Laboratory for Molecular Enzymology & Engineering
- The Ministry of Education
- Jilin University
- Changchun 130012
- P. R. China
| | - Fei Li
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
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17
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Leng X, Jia H, Sun X, Shangguan L, Mu Q, Wang B, Fang J. Comparative transcriptome analysis of grapevine in response to copper stress. Sci Rep 2015; 5:17749. [PMID: 26673527 PMCID: PMC4682189 DOI: 10.1038/srep17749] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 11/05/2015] [Indexed: 01/03/2023] Open
Abstract
Grapevine is one of the most economically important and widely cultivated fruit crop worldwide. With the industrialization and the popular application of cupric fungicides in grape industry, copper stress and copper pollution are also the factors affecting grape production and berry and wine quality. Here, 3,843 transcripts were significantly differently expressed genes in response to Cu stress by RNA-seq, which included 1,892 up-regulated and 1,951 down-regulated transcripts. During this study we found many known and novel Cu-induced and -repressed genes. Biological analysis of grape samples were indicated that exogenous Cu can influence chlorophylls metabolism and photosynthetic activities of grapevine. Most ROS detoxification systems, including antioxidant enzyme, stress-related proteins and secondary metabolites were strongly induced. Concomitantly, abscisic acid functioned as a negative regulator in Cu stress, in opposite action to ethylene, auxin, jasmonic acid, and brassinolide. This study also identified a set of Cu stress specifically activated genes coding copper transporter, P1B-type ATPase, multidrug transporters. Overall, this work was carried out to gain insights into the copper-regulated and stress-responsive mechanisms in grapevine at transcriptome level. This research can also provide some genetic information that can help us in better vinery management and breeding Cu-resistant grape cultivars.
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Affiliation(s)
- Xiangpeng Leng
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Haifeng Jia
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Xin Sun
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Lingfei Shangguan
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Qian Mu
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Baoju Wang
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
| | - Jinggui Fang
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing 210095, PR. China
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18
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Leng X, Mu Q, Wang X, Li X, Zhu X, Shangguan L, Fang J. Transporters, chaperones, and P-type ATPases controlling grapevine copper homeostasis. Funct Integr Genomics 2015; 15:673-84. [PMID: 26054906 DOI: 10.1007/s10142-015-0444-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 04/22/2015] [Accepted: 04/28/2015] [Indexed: 12/20/2022]
Abstract
With more copper and copper-containing compounds used as bactericides and fungicides in viticulture, copper homeostasis in grapevine (Vitis) has become one of the serious environmental crises with great risk. To better understand the regulation of Cu homeostasis in grapevine, grapevine seedlings cultured in vitro with different levels of Cu were utilized to investigate the tolerance mechanisms of grapevine responding to copper availability at physiological and molecular levels. The results indicated that Cu contents in roots and leaves arose with increasing levels of Cu application. With copper concentration increasing, malondialdehyde (MDA) content increased in roots and leaves and the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) increased to protect the plant itself from damage. The expression patterns of 19 genes, encoding transporters, chaperones, and P-type ATPases involved in copper homeostasis in root and leaf of grapevine seedling under various levels of Cu(2+) were further analyzed. The expression patterns indicated that CTr1, CTr2, and CTr8 transporters were significantly upregulated in response both to Cu excess and deficiency. ZIP2 was downregulated in response to Cu excess and upregulated under Cu-deficient conditions, while ZIP4 had an opposite expression pattern under similar conditions. The expression of chaperones and P-type ATPases in response to Cu availability in grapevine were also briefly studied.
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Affiliation(s)
- Xiangpeng Leng
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China
| | - Qian Mu
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China
| | - Xiaomin Wang
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China
| | - Xiaopeng Li
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China
| | - Xudong Zhu
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China
| | - Lingfei Shangguan
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China.
| | - Jinggui Fang
- College of Horticulture, Nanjing Agricultural University, Tongwei Road 6, Nanjing, 210095, China.
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Peñarrubia L, Romero P, Carrió-Seguí A, Andrés-Bordería A, Moreno J, Sanz A. Temporal aspects of copper homeostasis and its crosstalk with hormones. FRONTIERS IN PLANT SCIENCE 2015; 6:255. [PMID: 25941529 PMCID: PMC4400860 DOI: 10.3389/fpls.2015.00255] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 03/31/2015] [Indexed: 05/20/2023]
Abstract
To cope with the dual nature of copper as being essential and toxic for cells, plants temporarily adapt the expression of copper homeostasis components to assure its delivery to cuproproteins while avoiding the interference of potential oxidative damage derived from both copper uptake and photosynthetic reactions during light hours. The circadian clock participates in the temporal organization of coordination of plant nutrition adapting metabolic responses to the daily oscillations. This timely control improves plant fitness and reproduction and holds biotechnological potential to drive increased crop yields. Hormonal pathways, including those of abscisic acid, gibberellins, ethylene, auxins, and jasmonates are also under direct clock and light control, both in mono and dicotyledons. In this review, we focus on copper transport in Arabidopsis thaliana and Oryza sativa and the presumable role of hormones in metal homeostasis matching nutrient availability to growth requirements and preventing metal toxicity. The presence of putative hormone-dependent regulatory elements in the promoters of copper transporters genes suggests hormonal regulation to match special copper requirements during plant development. Spatial and temporal processes that can be affected by hormones include the regulation of copper uptake into roots, intracellular trafficking and compartmentalization, and long-distance transport to developing vegetative and reproductive tissues. In turn, hormone biosynthesis and signaling are also influenced by copper availability, which suggests reciprocal regulation subjected to temporal control by the central oscillator of the circadian clock. This transcriptional regulatory network, coordinates environmental and hormonal signaling with developmental pathways to allow enhanced micronutrient acquisition efficiency.
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Affiliation(s)
- Lola Peñarrubia
- Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, ValenciaSpain
- *Correspondence: Lola Peñarrubia, Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, Avenida Doctor Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Paco Romero
- Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, ValenciaSpain
| | - Angela Carrió-Seguí
- Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, ValenciaSpain
| | - Amparo Andrés-Bordería
- Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, ValenciaSpain
| | - Joaquín Moreno
- Laboratory of Plant Molecular Biology, Department of Biochemistry and Molecular Biology, University of Valencia, ValenciaSpain
| | - Amparo Sanz
- Department of Plant Biology, University of Valencia, ValenciaSpain
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20
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Martins V, Teixeira A, Bassil E, Blumwald E, Gerós H. Metabolic changes of Vitis vinifera berries and leaves exposed to Bordeaux mixture. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2014; 82:270-8. [PMID: 25022258 DOI: 10.1016/j.plaphy.2014.06.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 06/25/2014] [Indexed: 05/15/2023]
Abstract
Since the development of Bordeaux mixture in the late 1800's, copper-based fungicides have been widely used against grapevine (Vitis vinifera L.) diseases, mainly in organic but also in conventional viticulture; however their intensive use has raised phytotoxicity concerns. In this study, the composition of grape berries and leaves upon Bordeaux mixture treatment was investigated during the fructification season by a metabolomic approach. Four applications of Bordeaux mixture till 3 weeks before harvest were performed following the regular management practices of organic viticulture. Results showed that the copper-based treatment affected the content in sugars, organic acids, lipids and flavan-3-ols of grapes and leaves at specific developmental stages. Nonetheless, the levels of sucrose, glucose and fructose, and of tartaric and malic acids were not significantly affected in mature grapes. In contrast, a sharp decrease in free natural amino acids was observed, together with a reduction in protein content and in mineral nitrogen forms. The treatment with Bordeaux mixture increased by 7-fold the copper levels in tissue extracts from surface-washed mature berries.
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Affiliation(s)
- Viviana Martins
- Centro de Investigação e de Tecnologias Agro-Ambientais e Biológicas (CITAB), Portugal; Grupo de Investigação em Biologia Vegetal Aplicada e Inovação Agroalimentar - Agrobioplant, Departamento de Biologia, Escola Ciências, Universidade do Minho, Campus de Gualtar, Braga 4710-057, Portugal.
| | - António Teixeira
- Centro de Investigação e de Tecnologias Agro-Ambientais e Biológicas (CITAB), Portugal; Grupo de Investigação em Biologia Vegetal Aplicada e Inovação Agroalimentar - Agrobioplant, Departamento de Biologia, Escola Ciências, Universidade do Minho, Campus de Gualtar, Braga 4710-057, Portugal.
| | - Elias Bassil
- Dept of Plant Sciences, University of California, One Shields Ave, Davis 95616, USA.
| | - Eduardo Blumwald
- Dept of Plant Sciences, University of California, One Shields Ave, Davis 95616, USA.
| | - Hernâni Gerós
- Centro de Investigação e de Tecnologias Agro-Ambientais e Biológicas (CITAB), Portugal; Grupo de Investigação em Biologia Vegetal Aplicada e Inovação Agroalimentar - Agrobioplant, Departamento de Biologia, Escola Ciências, Universidade do Minho, Campus de Gualtar, Braga 4710-057, Portugal.
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