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Zhang G, Wei J, Li L, Cui D. Lipidomics, transcription analysis, and hormone profiling unveil the role of CsLOX6 in MeJA biosynthesis during black tea processing. HORTICULTURE RESEARCH 2024; 11:uhae032. [PMID: 38544550 PMCID: PMC10967689 DOI: 10.1093/hr/uhae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 01/23/2024] [Indexed: 06/07/2024]
Abstract
Jasmonates, such as jasmonic acid (JA) and methyl jasmonate (MeJA), are crucial aspect of black tea quality. However, lipids species, hormones, and genes regulated mechanism in the jasmonate biosynthesis during black tea processing are lacking. In this study, we employed lipidomics, hormone metabolism analysis, and transcriptome profiling of genes associated with the MeJA biosynthesis pathway to investigate these factors. The contents of lipids GLs, PLs, and TAG are decreased, accompanied by the main lipids species reduced during black tea processing. Galactolipids, primarily 34:3/36:6/36:3 DGDG and 36:6/36:5/36:4 MGDG, are transformed into massive MeJA and JA in black tea processing, accompanied by the decreased SA, MeSA, IAA, and BA and increased zeatin. Additionally, the transcriptional activity of the primary genes in MeJA biosynthesis pathway exhibited downregulated trends except for AOS and OPR and non-primary genes tend to be a little high or have fluctuation of expression. Coordinated expression of main CsHPL (TEA008699), CsAOS (TEA001041), and CsJMT (TEA015791) control the flow of lipids degradation and MeJA production. A strong infected reduction of a key lipoxygenase gene, CsLOX6 (TEA009423), in tea buds significantly reduced the level of jasmonates and expression of downstream genes, accompanied by SA, MeSA level rising, and ABA declining. We have identified a key CsLOX6, as well as established galactolipids, mainly 34:3/36:6/36:3 DGDG and 36:6/36:5/36:4 MGDG, sources for MeJA biosynthesis regulated by dynamics hormone and controlled by coordinated expressed CsHPL (TEA008699), CsAOS (TEA001041), and CsJMT (TEA015791). Our findings provide a theoretical basis for breeding high-quality black tea and offer valuable insights for improving processing methods.
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Affiliation(s)
- Gaoyang Zhang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Jingjing Wei
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Linyan Li
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Dandan Cui
- State Key Laboratory of Tea Plant Biology and Utilization, College of Tea and Food Science and Technology, Anhui Agricultural University, Hefei, 230036, China
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Zhang X, Yu Y, Zhang J, Qian X, Li X, Sun X. Recent Progress Regarding Jasmonates in Tea Plants: Biosynthesis, Signaling, and Function in Stress Responses. Int J Mol Sci 2024; 25:1079. [PMID: 38256153 PMCID: PMC10816084 DOI: 10.3390/ijms25021079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Tea plants have to adapt to frequently challenging environments due to their sessile lifestyle and perennial evergreen nature. Jasmonates regulate not only tea plants' responses to biotic stresses, including herbivore attack and pathogen infection, but also tolerance to abiotic stresses, such as extreme weather conditions and osmotic stress. In this review, we summarize recent progress about jasmonaic acid (JA) biosynthesis and signaling pathways, as well as the underlying mechanisms mediated by jasmontes in tea plants in responses to biotic stresses and abiotic stresses. This review provides a reference for future research on the JA signaling pathway in terms of its regulation against various stresses of tea plants. Due to the lack of a genetic transformation system, the JA pathway of tea plants is still in the preliminary stages. It is necessary to perform further efforts to identify new components involved in the JA regulatory pathway through the combination of genetic and biochemical methods.
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Affiliation(s)
- Xin Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Yongchen Yu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Jin Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiaona Qian
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiwang Li
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiaoling Sun
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
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Cui J, Zhou J, Du W, Guo D, Tang X, Zhao W, Lu M, Yu K, Luo Z, Chen Y, Wang Q, Gao T, Schwab WG, Song C. Distribution of and Temporal Variation in Volatiles in Tea ( Camellia sinensis) Flowers during the Opening Stages. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:19682-19693. [PMID: 37988651 DOI: 10.1021/acs.jafc.3c02690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Tea (Camellia sinensis) flowers emit a large amount of volatiles that attract pollinators. However, few studies have characterized temporal and spatial variation in tea floral volatiles. To investigate the distribution of volatiles within tea flowers and their variation among opening stages, volatile components from different parts of tea flowers and different opening stages were collected by headspace solid-phase microextraction and analyzed by gas chromatography-mass spectrometry. A total of 51 volatile compounds of eight chemical classes were identified in the tea flowers. Volatile compounds were most abundant in tea flowers of the Shuchazao cultivar. Acetophenone, 1-phenylethanol, 2-phenylethanol, and benzyl alcohol were the most abundant volatiles. Terpenes were common in the sepals, and benzoids were common in the stamens. The fatty acid derivatives were mainly distributed in the pistils and receptacles and were less abundant in the petals, sepals, and stamens. During the opening phase of tea flowers, the volatile content increased 12-fold, which mainly stemmed from the increase in benzoids. These results enhance our understanding of the formation of volatiles in tea flowers.
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Affiliation(s)
- Jilai Cui
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
- College of Life Science, Xinyang Normal University, 237 Nanhu R., Xinyang, Henan 464000, People's Republic of China
| | - Jie Zhou
- College of Life Science, Xinyang Normal University, 237 Nanhu R., Xinyang, Henan 464000, People's Republic of China
| | - Wenkai Du
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Danyang Guo
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Xiaoyan Tang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Wei Zhao
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Mengqian Lu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Keke Yu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Zhengwei Luo
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Yushan Chen
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Qiang Wang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Ting Gao
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
| | - Wilfried G Schwab
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Chuankui Song
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave W., Hefei, Anhui 230036, People's Republic of China
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4
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Jin J, Zhao M, Jing T, Zhang M, Lu M, Yu G, Wang J, Guo D, Pan Y, Hoffmann TD, Schwab W, Song C. Volatile compound-mediated plant-plant interactions under stress with the tea plant as a model. HORTICULTURE RESEARCH 2023; 10:uhad143. [PMID: 37691961 PMCID: PMC10483893 DOI: 10.1093/hr/uhad143] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 07/15/2023] [Indexed: 09/12/2023]
Abstract
Plants respond to environmental stimuli via the release of volatile organic compounds (VOCs), and neighboring plants constantly monitor and respond to these VOCs with great sensitivity and discrimination. This sensing can trigger increased plant fitness and reduce future plant damage through the priming of their own defenses. The defense mechanism in neighboring plants can either be induced by activation of the regulatory or transcriptional machinery, or it can be delayed by the absorption and storage of VOCs for the generation of an appropriate response later. Despite much research, many key questions remain on the role of VOCs in interplant communication and plant fitness. Here we review recent research on the VOCs induced by biotic (i.e. insects and pathogens) and abiotic (i.e. cold, drought, and salt) stresses, and elucidate the biosynthesis of stress-induced VOCs in tea plants. Our focus is on the role of stress-induced VOCs in complex ecological environments. Particularly, the roles of VOCs under abiotic stress are highlighted. Finally, we discuss pertinent questions and future research directions for advancing our understanding of plant interactions via VOCs.
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Affiliation(s)
- Jieyang Jin
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Mingyue Zhao
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Tingting Jing
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Mengting Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Mengqian Lu
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Guomeng Yu
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Jingming Wang
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Danyang Guo
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Yuting Pan
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
| | - Timothy D Hoffmann
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Chuankui Song
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, 230036, Hefei, Anhui, China
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5
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Zhou Y, He Y, Zhu Z. Understanding of formation and change of chiral aroma compounds from tea leaf to tea cup provides essential information for tea quality improvement. Food Res Int 2023; 167:112703. [PMID: 37087269 DOI: 10.1016/j.foodres.2023.112703] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 03/08/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023]
Abstract
Abundant secondary metabolites endow tea with unique quality characteristics, among which aroma is the core component of tea quality. The ratio of chiral isomers of aroma compounds greatly affects the flavor of tea leaves. In this paper, we review the progress of research on chiral aroma compounds in tea. With the well-established GC-MS methods, the formation of, and changes in, the chiral configuration of tea aroma compounds during the whole cycle of tea leaves from the plant to the tea cup has been studied in detail. The ratio of aroma chiral isomers varies among different tea varieties and finished teas. Enzymatic reactions involving tea aroma synthases and glycoside hydrolases participate the formation of aroma compound chiral isomers during tea tree growth and tea processing. Non-enzymatic reactions including environmental factors such as high temperature and microbial fermentation involve in the change of aroma compound chiral isomers during tea processing and storage. In the future, it will be interesting to determine how changes in the proportions of chiral isomers of aroma compounds affect the environmental adaptability of tea trees; and to determine how to improve tea flavor by modifying processing methods or targeting specific genes to alter the ratio of chiral isomers of aroma compounds.
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Affiliation(s)
- Ying Zhou
- Hainan Institute, Zhejiang University, Yazhou District, Sanya 572025, China.
| | - Yunchuan He
- Hainan Institute, Zhejiang University, Yazhou District, Sanya 572025, China; College of Agriculture and Biotechnology, Zhejiang University, Xihu District, Hangzhou 310030, China
| | - Zengrong Zhu
- Hainan Institute, Zhejiang University, Yazhou District, Sanya 572025, China; College of Agriculture and Biotechnology, Zhejiang University, Xihu District, Hangzhou 310030, China
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6
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Gorina SS, Mukhtarova LS, Iljina TM, Toporkova YY, Grechkin AN. Detection of divinyl ether synthase CYP74H2 biosynthesizing (11Z)-etheroleic and (1'Z)-colnelenic acids in asparagus (Asparagus officinalis L.). PHYTOCHEMISTRY 2022; 200:113212. [PMID: 35460712 DOI: 10.1016/j.phytochem.2022.113212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 04/15/2022] [Accepted: 04/17/2022] [Indexed: 06/14/2023]
Abstract
Divinyl ether synthases (DESs) are the enzymes occurring in numerous plant species and catalysing the dehydration of fatty acid hydroperoxides to divinyl ether oxylipins, playing self-defensive and antipathogenic roles in plants. Previously, the DES activities and divinyl ethers were detected in some monocotyledonous plants, including the asparagus (Asparagus officinalis L.). The cloning of the open reading frame of the CYP74H2 gene of asparagus and catalytic properties of the recombinant CYP74H2 protein are described in the present work. The CYP74H2 utilized the 13(S)-hydroperoxide of linoleic acid (13(S)-HPOD) as a preferred substrate and specifically converted it to the divinyl ether, (9Z,11Z)-12-[(1'E)-hexenyloxy]-9,11-dodecadienoic acid, (11Z)-etheroleic acid. The second most efficient substrate after the 13(S)-HPOD was the 9(S)-hydroperoxide of α-linolenic acid (9(S)-HPOT), which was converted to the previously undescribed product, (1'Z)-colnelenic acid. The 13(S)-hydroperoxide of α-linolenic acid (13(S)-HPOT) and 9(S)-hydroperoxide of linoleic acid (9(S)-HPOD) were less efficient substrates for CYP74H2. Both 13(S)-HPOT and 9(S)-HPOD were transformed to divinyl ethers, (11Z)-etherolenic and (1'Z)-colneleic acids, respectively. The CYP74H2 is a second cloned monocotyledonous DES after the garlic CYP74H1 and the first DES biosynthesizing the (1'Z)-colneleic and (1'Z)-colnelenic acids.
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Affiliation(s)
- Svetlana S Gorina
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia.
| | - Lucia S Mukhtarova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Tatiana M Iljina
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Yana Y Toporkova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia
| | - Alexander N Grechkin
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, P.O. Box 30, 420111, Kazan, Russia.
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Rusman Q, Hooiveld‐Knoppers S, Dijksterhuis M, Bloem J, Reichelt M, Dicke M, Poelman EH. Flowers prepare thyselves: leaf and root herbivores induce specific changes in floral phytochemistry with consequences for plant interactions with florivores. THE NEW PHYTOLOGIST 2022; 233:2548-2560. [PMID: 34953172 PMCID: PMC9305281 DOI: 10.1111/nph.17931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
The phenotypic plasticity of flowering plants in response to herbivore damage to vegetative tissues can affect plant interactions with flower-feeding organisms. Such induced systemic responses are probably regulated by defence-related phytohormones that signal flowers to alter secondary chemistry that affects resistance to florivores. Current knowledge on the effects of damage to vegetative tissues on plant interactions with florivores and the underlying mechanisms is limited. We compared the preference and performance of two florivores on flowering Brassica nigra plants damaged by one of three herbivores feeding from roots or leaves. To investigate the underlying mechanisms, we quantified expression patterns of marker genes for defence-related phytohormonal pathways, and concentrations of phytohormones and glucosinolates in buds and flowers. Florivores displayed contrasting preferences for plants damaged by herbivores feeding on roots and leaves. Chewing florivores performed better on plants damaged by folivores, but worse on plants damaged by the root herbivore. Chewing root and foliar herbivory led to specific induced changes in the phytohormone profile of buds and flowers. This resulted in increased glucosinolate concentrations for leaf-damaged plants, and decreased glucosinolate concentrations for root-damaged plants. The outcome of herbivore-herbivore interactions spanning from vegetative tissues to floral tissues is unique for the inducing root/leaf herbivore and receiving florivore combination.
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Affiliation(s)
- Quint Rusman
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
- Present address:
Department of Systematic and Evolutionary BotanyUniversity of ZürichZollikerstrasse 1078008ZürichSwitzerland
| | - Sanne Hooiveld‐Knoppers
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
| | - Mirjam Dijksterhuis
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
| | - Janneke Bloem
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
| | - Michael Reichelt
- Department of BiochemistryMax Planck Institute for Chemical EcologyHans‐Knöll‐Strasse 807745JenaGermany
| | - Marcel Dicke
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
| | - Erik H. Poelman
- Laboratory of EntomologyWageningen University & ResearchDroevendaalsesteeg 1Wageningen6708PBthe Netherlands
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Li H, Xu X, Han K, Wang Z, Ma W, Lin Y, Hua H. Isolation and functional analysis of OsAOS1 promoter for resistance to Nilaparvata lugens Stål infestation in rice. J Cell Physiol 2022; 237:1833-1844. [PMID: 34908164 DOI: 10.1002/jcp.30653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 10/30/2021] [Accepted: 11/18/2021] [Indexed: 11/07/2022]
Abstract
Insect pests have a great impact on the yield and quality of crops. Insecticide applications are an effective method of pest control, however, they also have adverse effects on the environment. Using insect-inducible promoters to drive insect-resistant genes in transgenic crops is a potential sustainable pest management strategy, but insect-inducible promoters have been rarely reported. In this study, we found rice allene oxide synthase gene (AOS, LOC_Os03g12500) can be highly upregulated following brown planthopper (Nilaparvata lugens Stål, BPH) infestation. Then, we amplified the promoter of OsAOS1 and the β- glucuronidase reporter gene was used to analyze the expression pattern of the promoter. Through a series of 5' truncated assays, three positive regulatory regions in response to BPH infestation in the promoter were identified. The transgenic plants, P1R123-min 35S and P1TR1-min 35S promoter-driven snowdrop lectin (Galanthus nivalis agglutinin, GNA) gene, demonstrated the highest expression levels of GNA and lowest BPH survival. Our work identified a BPH-inducible promoter and three positive regions within it. Transgenic rice with GNA driven by OsAOS1 promoter and positive regions exhibited an expected lethal effect on BPH. This study proved the application potential of BPH-inducible promoter and provided a novel path for the selection of insect-resistant tools in the future.
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Affiliation(s)
- Hanpeng Li
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Xueliang Xu
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Kehong Han
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Zhengjie Wang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Weihua Ma
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yongjun Lin
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hongxia Hua
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
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9
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Spatial and developmental regulation of putative genes associated with the biosynthesis of sesquiterpenes and pyrethrin I in Chrysanthemum cinerariaefolium. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00710-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Feng Y, Wang J, Zhao Y, Zhang M, Zhou Z, Li Y, Hu Y, Wu Y, Feng Z, Schwab W, Wan X, Song C. Biosynthesis of orchid-like volatile methyl jasmonate in tea (Camellia sinensis) leaves in response to multiple stresses during the shaking process of oolong tea. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Serrazina S, Machado H, Costa RL, Duque P, Malhó R. Expression of Castanea crenata Allene Oxide Synthase in Arabidopsis Improves the Defense to Phytophthora cinnamomi. FRONTIERS IN PLANT SCIENCE 2021; 12:628697. [PMID: 33659016 PMCID: PMC7917121 DOI: 10.3389/fpls.2021.628697] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
Allene oxide synthase (AOS) is a key enzyme of the jasmonic acid (JA) signaling pathway. The AOS gene was previously found to be upregulated in an Asian chestnut species resistant to infection by the oomycete Phytophthora cinnamomi (Castanea crenata), while lower expression values were detected in the susceptible European chestnut (Castanea sativa). Here, we report a genetic and functional characterization of the C. crenata AOS (CcAOS) upon its heterologous gene expression in a susceptible ecotype of Arabidopsis thaliana, which contains a single AOS gene. It was found that Arabidopsis plants expressing CcAOS delay pathogen progression and exhibit more vigorous growth in its presence. They also show upregulation of jasmonic acid and salicylic acid-related genes. As in its native species, heterologous CcAOS localized to plastids, as revealed by confocal imaging of the CcAOS-eGFP fusion protein in transgenic Arabidopsis roots. This observation was confirmed upon transient expression in Nicotiana benthamiana leaf epidermal cells. To further confirm a specific role of CcAOS in the defense mechanism against the pathogen, we performed crosses between transgenic CcAOS plants and an infertile Arabidopsis AOS knockout mutant line. It was found that plants expressing CcAOS exhibit normal growth, remain infertile but are significantly more tolerant to the pathogen than wild type plants. Together, our results indicate that CcAOS is an important player in plant defense responses against oomycete infection and that its expression in susceptible varieties may be a valuable tool to mitigate biotic stress responses.
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Affiliation(s)
- Susana Serrazina
- Faculdade de Ciências, BioISI – Biosystems & Integrative Sciences Institute, Universidade de Lisboa, Lisbon, Portugal
| | - Helena Machado
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Oeiras, Portugal
| | - Rita Lourenço Costa
- INIAV—Instituto Nacional de Investigação Agrária e Veterinária, Oeiras, Portugal
- Centro de Estudos Florestais, Instituto Superior de Agronomia, Universidade de Lisboa—Tapada da Ajuda, Lisbon, Portugal
| | - Paula Duque
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Rui Malhó
- Faculdade de Ciências, BioISI – Biosystems & Integrative Sciences Institute, Universidade de Lisboa, Lisbon, Portugal
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Li H, Wang Z, Han K, Guo M, Zou Y, Zhang W, Ma W, Hua H. Cloning and functional identification of a Chilo suppressalis-inducible promoter of rice gene, OsHPL2. PEST MANAGEMENT SCIENCE 2020; 76:3177-3187. [PMID: 32336018 DOI: 10.1002/ps.5872] [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] [Received: 11/22/2019] [Revised: 03/11/2020] [Accepted: 04/26/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Promoters play a key role in driving insect-resistant genes during breeding of transgenic plants. In current transgenic procedures for breeding rice resistance to striped stem borer (Chilo suppressalis Walker, SSB), the constitutive promoter is used to drive the insect-resistant gene. To reduce the burden of constitutive promoters on plant growth, isolation and identification of insect-inducible promoters are particularly important. However, few promoters are induced specifically by insect feeding. RESULTS We found rice hydroperoxide lyase gene (OsHPL2) (LOC_Os02g12680) was upregulated after feeding by SSB. We subsequently cloned the promoter of OsHPL2 and analysed its expression pattern using the β-glucuronidase (GUS) reporter gene. Histochemical assays and quantitative analyses of GUS activity confirmed that P HPL2 :GUS was activated by SSB, but did not respond to brown planthopper (Nilaparvata lugens Stål, BPH) infestation, mechanical wounding or phytohormone treatments. A series of 5' truncated assays were conducted and three positive regulatory regions (-1452 to -1213, -903 to -624, and -376 to -176) induced by SSB infestation were identified. P2R123-min 35S and P2TR2-min 35S promoters linked with cry1C of transgenic plants showed the highest levels of Cry1C protein expression and SSB larval mortality. CONCLUSION We identified an SSB-inducible promoter and three positive internal regions. Transgenic rice plants with the OsHPL2 promoter and its positive regions driving cry1C exhibited the expected larvicidal effect on SSB. Our study is the first report of an SSB-inducible promoter that could be used as a potential resource for breeding insect-resistant transgenic crops. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Hanpeng Li
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhengjie Wang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Kehong Han
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Mengjian Guo
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yulan Zou
- College of Life Science, Huazhong Agricultural University, Wuhan, China
| | - Wei Zhang
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, China
| | - Weihua Ma
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hongxia Hua
- National Key Laboratory of Crop Genetic Improvement, National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, China
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Xiong J, Liu L, Ma X, Li F, Tang C, Li Z, Lü B, Zhou T, Lian X, Chang Y, Tang M, Xie S, Lu X. Characterization of PtAOS1 Promoter and Three Novel Interacting Proteins Responding to Drought in Poncirus trifoliata. Int J Mol Sci 2020; 21:ijms21134705. [PMID: 32630273 PMCID: PMC7370134 DOI: 10.3390/ijms21134705] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/27/2020] [Accepted: 06/29/2020] [Indexed: 11/16/2022] Open
Abstract
Jasmonic acid (JA) plays a crucial role in various biological processes including development, signal transduction and stress response. Allene oxide synthase (AOS) catalyzing (13S)-hydroperoxyoctadecatrienoic acid (13-HPOT) to an unstable allene oxide is involved in the first step of JA biosynthesis. Here, we isolated the PtAOS1 gene and its promoter from trifoliate orange (Poncirus trifoliata). PtAOS1 contains a putative chloroplast targeting sequence in N-terminal and shows relative to pistachio (Pistacia vera) AOS. A number of stress-, light- and hormone-related cis-elements were found in the PtAOS1 promoter which may be responsible for the up-regulation of PtAOS1 under drought and JA treatments. Transient expression in tobacco (Nicotiana benthamiana) demonstrated that the P-532 (-532 to +1) fragment conferring drive activity was a core region in the PtAOS1 promoter. Using yeast one-hybrid, three novel proteins, PtDUF886, PtDUF1685 and PtRAP2.4, binding to P-532 were identified. The dual luciferase assay in tobacco illustrated that all three transcription factors could enhance PtAOS1 promoter activity. Genes PtDUF1685 and PtRAP2.4 shared an expression pattern which was induced significantly by drought stress. These findings should be available evidence for trifoliate orange responding to drought through JA modulation.
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Affiliation(s)
- Jiang Xiong
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Lian Liu
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Xiaochuan Ma
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Feifei Li
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
- Institute of Horticulture, Hunan Academy of Agricultural Science, Changsha 410125, China
| | - Chaolan Tang
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Zehang Li
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Biwen Lü
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Tie Zhou
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Xuefei Lian
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Yuanyuan Chang
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Mengjing Tang
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Shenxi Xie
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
| | - Xiaopeng Lu
- Department of Horticulture, College of Horticulture, Hunan Agricultural University, Changsha 410128, China; (J.X.); (L.L.); (X.M.); (F.L.); (C.T.); (Z.L.); (B.L.); (T.Z.); (X.L.); (Y.C.); (M.T.); (S.X.)
- National Centre for Citrus Improvement, Changsha 410128, China
- Correspondence: ; Tel./Fax: +86-0731-84618171
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Rusman Q, Lucas-Barbosa D, Poelman EH, Dicke M. Ecology of Plastic Flowers. TRENDS IN PLANT SCIENCE 2019; 24:725-740. [PMID: 31204246 DOI: 10.1016/j.tplants.2019.04.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 04/16/2019] [Accepted: 04/25/2019] [Indexed: 05/20/2023]
Abstract
Plant phenotypic plasticity in response to herbivore attack includes changes in flower traits. Such herbivore-induced changes in flower traits have consequences for interactions with flower visitors. We synthesize here current knowledge on the specificity of herbivore-induced changes in flower traits, the underlying molecular mechanisms, and the ecological consequences for flower-associated communities. Herbivore-induced changes in flower traits seem to be largely herbivore species-specific. The extensive plasticity observed in flowers influences a highly connected web of interactions within the flower-associated community. We argue that the adaptive value of herbivore-induced plant responses and flower plasticity can be fully understood only from a community perspective rather than from pairwise interactions.
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Affiliation(s)
- Quint Rusman
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands.
| | - Dani Lucas-Barbosa
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - Erik H Poelman
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - Marcel Dicke
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
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Influence of Chloroplast Defects on Formation of Jasmonic Acid and Characteristic Aroma Compounds in Tea ( Camellia sinensis) Leaves Exposed to Postharvest Stresses. Int J Mol Sci 2019; 20:ijms20051044. [PMID: 30818885 PMCID: PMC6429154 DOI: 10.3390/ijms20051044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/21/2019] [Accepted: 02/22/2019] [Indexed: 01/30/2023] Open
Abstract
Characteristic aroma formation in tea (Camellia sinensis) leaves during the oolong tea manufacturing process might result from the defense responses of tea leaves against these various stresses, which involves upregulation of the upstream signal phytohormones related to leaf chloroplasts, such as jasmonic acid (JA). Whether chloroplast changes affect the formation of JA and characteristic aroma compounds in tea leaves exposed to stresses is unknown. In tea germplasms, albino-induced yellow tea leaves have defects in chloroplast ultrastructure and composition. Herein, we have compared the differential responses of phytohormone and characteristic aroma compound formation in normal green and albino-induced yellow tea leaves exposed to continuous wounding stress, which is the main stress in oolong tea manufacture. In contrast to single wounding stress (from picking, as a control), continuous wounding stress can upregulate the expression of CsMYC2, a key transcription factor of JA signaling, and activate the synthesis of JA and characteristic aroma compounds in both normal tea leaves (normal chloroplasts) and albino tea leaves (chloroplast defects). Chloroplast defects had no significant effect on the expression levels of CsMYC2 and JA synthesis-related genes in response to continuous wounding stress, but reduced the increase in JA content in response to continuous wounding stress. Furthermore, chloroplast defects reduced the increase in volatile fatty acid derivatives, including jasmine lactone and green leaf volatile contents, in response to continuous wounding stress. Overall, the formation of metabolites derived from fatty acids, such as JA, jasmine lactone, and green leaf volatiles in tea leaves, in response to continuous wounding stress, was affected by chloroplast defects. This information will improve understanding of the relationship of the stress responses of JA and aroma compound formation with chloroplast changes in tea.
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