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Graham JL, Staudt M, Buatois B, Caro SP. Developing Oak Buds Produce Volatile Emissions in Response to Herbivory by Freshly Hatched Caterpillars. J Chem Ecol 2024:10.1007/s10886-024-01520-y. [PMID: 38949747 DOI: 10.1007/s10886-024-01520-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 05/28/2024] [Accepted: 06/09/2024] [Indexed: 07/02/2024]
Abstract
Plant responses to damage by insectivorous herbivores are well-documented in mature leaves. The resulting herbivore-induced plant volatiles (HIPVs) protect the plant by attracting carnivorous arthropods and even some insectivorous vertebrates, to parasitize or consume the plant invaders. However, very little is known about plant production of HIPVs in developing buds, particularly when herbivorous insects are too small to be considered a prey item. It is additionally unclear whether plants respond differently to generalist and specialist chewing insects that overlap in distribution. Therefore, we compared HIPV production of Downy oak (Quercus pubescens Willd.) buds infested with freshly hatched caterpillars of Tortrix viridana (specialist) and Operophtera brumata (generalist), against uninfested buds. Of the compounds identified in both years of the experiment, we found that (Z)-hex-3-enyl acetate, (E)-β-ocimene, acetophenone, linalool, (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT), methyl salicylate, α-copaene, α-humulene, (E)-caryophyllene, and (E,E)-α-farnesene appeared to be higher in infested buds compared to controls. We found no difference in HIPV production between the specialist and the generalist herbivores. Production of HIPVs was also associated with leaf damage, with higher HIPV production in more severely attacked buds. Thus, our study shows that oak trees already start responding to insect herbivory before leaves are developed, by producing compounds similar to those found in damaged mature leaves. Future work should focus on how Downy oak may benefit from initiating alarm cues at a time when carnivorous arthropods and insectivorous vertebrates are unable to use herbivorous insects as host or food.
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Affiliation(s)
- Jessica L Graham
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
- School of Natural Sciences, Black Hills State University, Spearfish, SD, 57799, USA
| | - Michael Staudt
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Bruno Buatois
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Samuel P Caro
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France.
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2
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Wang Y, Gong Q, Liu Y. Interplant communication: an emerging battlefield in plant-aphid-virus interactions. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1069-1071. [PMID: 38324128 DOI: 10.1007/s11427-023-2497-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/26/2023] [Indexed: 02/08/2024]
Affiliation(s)
- Yunjing Wang
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
- Tsinghua-Peking Center for Life Sciences, Beijing, 100084, China.
| | - Qian Gong
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing, 100084, China
| | - Yule Liu
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing, 100084, China
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3
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Liu S, Islam F, Chen J, Sun Z, Chen J. Attention, neighbors: Methyl salicylate mediates plant airborne defense. PLANT COMMUNICATIONS 2024; 5:100746. [PMID: 37950442 PMCID: PMC10811368 DOI: 10.1016/j.xplc.2023.100746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/04/2023] [Accepted: 11/08/2023] [Indexed: 11/12/2023]
Affiliation(s)
- Shan Liu
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang 212013, China
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China
| | - Zongtao Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, China.
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang 212013, China.
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4
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Ghosh R, Metze D, Sant S, Shaikh M, Deshpande A, Firake DM, Pandit S. Chemical ecology of Himalayan eggplant variety's antixenosis: identification of geraniol as an oviposition deterrent against the eggplant shoot and fruit borer. THE NEW PHYTOLOGIST 2023; 240:1259-1274. [PMID: 36918501 DOI: 10.1111/nph.18877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Eggplant (Solanum melongena) suffers severe losses due to a multi-insecticide-resistant lepidopteran pest, shoot and fruit borer (SFB, Leucinodes orbonalis). Heavy and combinatorial application of pesticides for SFB control renders eggplant risky for human consumption. We observed that gravid SFB females do not oviposit on Himalayan eggplant variety RC-RL-22 (RL22). We hypothesized that RL22 contained an antixenosis factor. Females' behavior indicated that the RL22 cue they perceived was olfactory. To identify it, leaf volatile blends of seven eggplant varieties were profiled using solid phase microextraction and gas chromatography mass spectrometry. Seven RL22-specific compounds were detected in the plant headspace. In choice assays, oviposition deterrence efficacies of these candidate compounds were independently tested by their foliar application on SFB-susceptible varieties. Complementation of geraniol, which was exclusively found in RL22, reduced oviposition (> 90%). To validate geraniol's role in RL22's SFB-deterrence, we characterized RL22's geraniol synthase and silenced its gene in planta, using virus-induced gene silencing. Geraniol biosynthesis suppression rendered RL22 SFB-susceptible; foliar geraniol application on the geraniol synthase-silenced plants restored oviposition deterrence. We infer that geraniol is RL22's SFB oviposition deterrent. The use of natural compounds like geraniol, which influence the chemical ecology of oviposition, can reduce the load of hazardous synthetic larvicides.
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Affiliation(s)
- Rituparna Ghosh
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
| | - Dennis Metze
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
| | - Surhud Sant
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
| | - Maroof Shaikh
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
| | - Ashish Deshpande
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
| | - Dnyaneshwar M Firake
- Division of Crop Protection, ICAR Research Complex for NEH Region, Umiam, Meghalaya, 793103, India
- ICAR-Directorate of Floricultural Research, Pune, Maharashtra, 411036, India
| | - Sagar Pandit
- Agricultural Biotechnology and Chemical Ecology (ABCE) Lab, Indian Institute of Science Education and Research, Pune, Maharashtra, 411008, India
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5
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Gong Q, Wang Y, He L, Huang F, Zhang D, Wang Y, Wei X, Han M, Deng H, Luo L, Cui F, Hong Y, Liu Y. Molecular basis of methyl-salicylate-mediated plant airborne defence. Nature 2023; 622:139-148. [PMID: 37704724 DOI: 10.1038/s41586-023-06533-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 08/11/2023] [Indexed: 09/15/2023]
Abstract
Aphids transmit viruses and are destructive crop pests1. Plants that have been attacked by aphids release volatile compounds to elicit airborne defence (AD) in neighbouring plants2-5. However, the mechanism underlying AD is unclear. Here we reveal that methyl-salicylate (MeSA), salicylic acid-binding protein-2 (SABP2), the transcription factor NAC2 and salicylic acid-carboxylmethyltransferase-1 (SAMT1) form a signalling circuit to mediate AD against aphids and viruses. Airborne MeSA is perceived and converted into salicylic acid by SABP2 in neighbouring plants. Salicylic acid then causes a signal transduction cascade to activate the NAC2-SAMT1 module for MeSA biosynthesis to induce plant anti-aphid immunity and reduce virus transmission. To counteract this, some aphid-transmitted viruses encode helicase-containing proteins to suppress AD by interacting with NAC2 to subcellularly relocalize and destabilize NAC2. As a consequence, plants become less repellent to aphids, and more suitable for aphid survival, infestation and viral transmission. Our findings uncover the mechanistic basis of AD and an aphid-virus co-evolutionary mutualism, demonstrating AD as a potential bioinspired strategy to control aphids and viruses.
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Affiliation(s)
- Qian Gong
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Yunjing Wang
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Linfang He
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Fan Huang
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Danfeng Zhang
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Yan Wang
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Beijing, China
| | - Xiang Wei
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Meng Han
- Protein Research Technology Center, Protein Chemistry and Omics Platform, School of Life Sciences, Tsinghua University, Beijing, China
| | - Haiteng Deng
- Protein Research Technology Center, Protein Chemistry and Omics Platform, School of Life Sciences, Tsinghua University, Beijing, China
| | - Lan Luo
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Feng Cui
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Yiguo Hong
- State Key Laboratory of North China Crop Improvement and Regulation and College of Horticulture, Hebei Agricultural University, Baoding, China
- Research Centre for Plant RNA Signaling, College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
- School of Life Sciences, University of Warwick, Coventry, UK
- School of Science and the Environment, University of Worcester, Worcester, UK
| | - Yule Liu
- MOE Key Laboratory of Bioinformatics and Center for Plant Biology, School of Life Sciences, Tsinghua University, Beijing, China.
- Tsinghua-Peking Center for Life Sciences, Beijing, China.
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6
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Agho CA, Runno-Paurson E, Tähtjärv T, Kaurilind E, Niinemets Ü. Variation in Leaf Volatile Emissions in Potato ( Solanum tuberosum) Cultivars with Different Late Blight Resistance. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112100. [PMID: 37299080 DOI: 10.3390/plants12112100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/28/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023]
Abstract
Volatile organic compounds (VOCs) play key roles in plant abiotic and biotic stress resistance, but even for widespread crops, there is limited information on variations in the magnitude and composition of constitutive VOC emissions among cultivars with varying stress resistance. The foliage VOC emissions from nine local and commercial potato cultivars (Alouette, Sarme, Kuras, Ando, Anti, Jõgeva Kollane, Teele, 1681-11, and Reet) with medium to late maturities and varying Phytophthora infestans (the causative agent of late blight disease) resistance backgrounds were analyzed to gain an insight into the genetic diversity of constitutive VOC emissions and to test the hypothesis that cultivars more resistant to Phytophthora infestans have greater VOC emissions and different VOC fingerprints. Forty-six VOCs were identified in the emission blends of potato leaves. The majority of the VOCs were sesquiterpenes (50% of the total number of compounds and 0.5-36.9% of the total emissions) and monoterpenes (30.4% of the total number of compounds and 57.8-92.5% of the total VOC emissions). Qualitative differences in leaf volatiles, mainly in sesquiterpenes, were related to the potato genotype background. Among the volatile groups, the monoterpenes α-pinene, β-pinene, Δ3-carene, limonene, and p-cymene, the sesquiterpenes (E)-β-caryophyllene and α-copaene, and green leaf volatile hexanal were the major volatiles in all cultivars. A higher share of VOCs known to have antimicrobial activities was observed. Interestingly, the cultivars were grouped into high and low resistance categories based on the VOC profiles, and the total terpenoid and total constitutive VOC emission scale positively with resistance. To support and expedite advances in breeding for resistance to diseases such as late blight disease, the plant research community must develop a fast and precise approach to measure disease resistance. We conclude that the blend of emitted volatiles is a fast, non-invasive, and promising indicator to identify cultivars resistant to potato late blight disease.
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Affiliation(s)
- C A Agho
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia
| | - E Runno-Paurson
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia
| | - T Tähtjärv
- The Centre of Estonian Rural Research and Knowledge, J. Aamisepa 1, 48309 Jõgeva, Estonia
| | - E Kaurilind
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia
| | - Ü Niinemets
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006 Tartu, Estonia
- Estonian Academy of Sciences, Kohtu 6, 10130 Tallinn, Estonia
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7
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Wang J, Li Y, Wang X, Cao K, Zhu G, Fang W, Chen C, Wu J, Guo J, Xu Q, Wang L. Betulin, Synthesized by PpCYP716A1, Is a Key Endogenous Defensive Metabolite of Peach against Aphids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12865-12877. [PMID: 36173088 DOI: 10.1021/acs.jafc.2c04422] [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] [Indexed: 06/16/2023]
Abstract
Wild pest-resistant germplasms employ secondary metabolites to withstand insect attacks. A close wild relative of the cultivated peach, Prunus davidiana, displays strong resistance to green peach aphids by utilizing metabolites to cope with aphid infestation; however, the underlying mechanism of aphid resistance remains mostly unknown. Here, metabolomic analysis was performed to explore the changes in metabolite levels in P. davidiana after aphid infestation. The data revealed that betulin is a key defensive metabolite in peaches that protects against aphids and possesses potent aphidicidal activity. Further toxicity tests demonstrated that betulin was toxic to pests but not to beneficial insects. Additionally, transcriptomic and phylogenetic analyses revealed that the cytochrome P450 gene PpCYP716A1 was responsible for betulin synthesis─this finding was confirmed by the heterologous expression of this gene. This study revealed a strategy whereby plants harness defense metabolites to develop resistance to pests. These findings may facilitate controlling such pests.
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Affiliation(s)
- Junxiu Wang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Yong Li
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Xinwei Wang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Ke Cao
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Gengrui Zhu
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Weichao Fang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Changwen Chen
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Jinlong Wu
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
| | - Jian Guo
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Taian 271018, China
| | - Qiang Xu
- College of Horticulture & Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Lirong Wang
- Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou 450009, China
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8
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González-González A, Yañez O, Ballesteros GI, Palma-Millanao R, Figueroa CC, Niemeyer HM, Ramírez CC. A mutation increases the specificity to plant compounds in an insect chemosensory protein. J Mol Graph Model 2022; 114:108191. [DOI: 10.1016/j.jmgm.2022.108191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 11/16/2022]
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Screening and Evaluation for Antixenosis Resistance in Wheat Accessions and Varieties to Grain Aphid, Sitobion miscanthi (Takahashi) (Hemiptera: Aphididae). PLANTS 2022; 11:plants11081094. [PMID: 35448823 PMCID: PMC9031254 DOI: 10.3390/plants11081094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/15/2022] [Accepted: 04/15/2022] [Indexed: 11/28/2022]
Abstract
The grain aphid, Sitobion miscanthi causes serious damage by removing nutritional content from wheat plants and transmitting viral diseases. The use of resistant wheat cultivars is an effective method of aphid management. To identify S. miscanthi resistant cultivars, preliminary antixenosis resistance screening was conducted on 112 Ethiopian and 21 Chinese wheat accessions and varieties along with bioassay to test for further antixenosis resistance, identification of aphid feeding behavior using electrical penetration graph (EPG), and imaging of leaf trichome densities using a 3D microscope. According to antixenosis resistance screening, one highly-resistant, 25 moderately-resistant, and 38 slightly-resistant wheat cultivars to S. miscanthi were identified. Aphid choice tests showed that Luxuan266, 243726, and 213312 were the least preferred after 12, 24, 48, and 72 h of S. miscanthi release. Longer duration of Np, longer time to first probe, and shorter duration of E2 waveforms were recorded in Lunxuan266, 243726, and 213312 than in Beijing 837. The trichome density on adaxial and abaxial leaf surfaces of Lunxuan266, 243726 and 213312 was significantly higher than on those of Beijing 837. We concluded that Lunxuan266, 243726, and 213312 were antixenosis resistant to S. miscanthi based on the choice test, EPG results, and leaf trichome densities.
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He J, Verstappen F, Jiao A, Dicke M, Bouwmeester HJ, Kappers IF. Terpene synthases in cucumber (Cucumis sativus) and their contribution to herbivore-induced volatile terpenoid emission. THE NEW PHYTOLOGIST 2022; 233:862-877. [PMID: 34668204 PMCID: PMC9299122 DOI: 10.1111/nph.17814] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/12/2021] [Indexed: 05/10/2023]
Abstract
Terpenoids play important roles in flavour, pollinator attraction and defence of plants. In cucumber (Cucumis sativus) they are important components of the herbivore-induced plant volatile blend that attracts natural enemies of herbivores. We annotated the cucumber TERPENE SYNTHASE gene (CsTPS) family and characterized their involvement in the response towards herbivores with different feeding guilds using a combined molecular and biochemical approach. Transcripts of multiple CsTPS genes were upregulated in leaves upon herbivory and the products generated by the expressed proteins match the terpenoids recorded in the volatile blend released by herbivore-damaged leaves. Spatial and temporal analysis of the promoter activity of CsTPS genes showed that cell content-feeding spider mites (Tetranychus urticae) and thrips (Frankliniella occidentalis) induced promoter activity of CsTPS9 and CsTPS19 within hours after initiation of infestation, while phloem-feeding aphids (Myzus persicae) induced CsTPS2 promoter activity. Our findings offer detailed insights into the involvement of the TPS gene family in the dynamics and fine-tuning of the emission of herbivore-induced plant volatiles in cucumber, and open a new avenue to understand molecular mechanisms that affect plant-herbivore interactions.
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Affiliation(s)
- Jun He
- Laboratory of Plant PhysiologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
- Citrus Research InstituteSouthwest University400712ChongqingChina
| | - Francel Verstappen
- Laboratory of Plant PhysiologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
| | - Ao Jiao
- Laboratory of Plant PhysiologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
| | - Marcel Dicke
- Laboratory of EntomologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
| | - Harro J. Bouwmeester
- Laboratory of Plant PhysiologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
- Plant Hormone Biology GroupSwammerdam Institute for Life SciencesUniversity of Amsterdam1000BEAmsterdamthe Netherlands
| | - Iris F. Kappers
- Laboratory of Plant PhysiologyPlant Sciences GroupWageningen University & Research6700AAWageningenthe Netherlands
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11
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Li S, Yuan X, Xu Y, Li Z, Feng Z, Yue X, Paoletti E. Biogenic volatile organic compound emissions from leaves and fruits of apple and peach trees during fruit development. J Environ Sci (China) 2021; 108:152-163. [PMID: 34465429 DOI: 10.1016/j.jes.2021.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 06/13/2023]
Abstract
Biogenic volatile organic compounds (BVOCs) are widely involved in a variety of atmospheric chemical processes due to their high reactivity and species diversity. To date, however, research on BVOCs in agroecosystems, particularly fruit trees, remains scarce despite their large cultivation area and economic interest. BVOC emissions from different organs (leaf or fruit) of apple and peach trees were investigated throughout the stages of fruit development (FS, fruit swelling; FC, fruit coloration; FM, fruit maturity; and FP, fruit postharvest) using a proton-transfer-reaction mass spectrometer. Results indicated that methanol was the most abundant compound emitted by the leaf (apple tree leaf 492.5 ± 47.9 ng/(g·hr), peach tree leaf 938.8 ± 154.5 ng/(g·hr)), followed by acetic acid and green leaf volatiles. Beside the above three compounds, acetaldehyde had an important contribution to the emissions from the fruit. Overall, the total BVOCs (sum of eight compounds studied in this paper) emitted by both leaf and fruit gradually decreased along the fruit development, although the effect was significant only for the leaf. The leaf (2020.8 ± 258.8 ng/(g·hr)) was a stronger BVOC emitter than the fruit (146.0 ± 45.7 ng/(g·hr)) (P = 0.006), and there were no significant differences in total BVOC emission rates between apple and peach trees. These findings contribute to our understanding on BVOC emissions from different plant organs and provide important insights into the variation of BVOC emissions across different fruit developmental stages.
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Affiliation(s)
- Shuangjiang Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China; Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Xiangyang Yuan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Yan Xu
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China; State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Zhengzhen Li
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Zhaozhong Feng
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Xu Yue
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Elena Paoletti
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Institute of Research on Terrestrial Ecosystems, National Council of Research, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Florence, Italy
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12
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Species-Specific Induction of Plant Volatiles by Two Aphid Species in Apple: Real Time Measurement of Plant Emission and Attraction of Lacewings in the Wind Tunnel. J Chem Ecol 2021; 47:653-663. [PMID: 34196858 PMCID: PMC8346424 DOI: 10.1007/s10886-021-01288-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 05/21/2021] [Accepted: 06/04/2021] [Indexed: 10/30/2022]
Abstract
Upon damage by herbivores, plants release herbivory-induced plant volatiles (HIPVs). To find their prey, the pest's natural enemies need to be fine-tuned to the composition of these volatiles. Whereas standard methods can be used in the identification and quantitation of HIPVs, more recently introduced techniques such as PTR-ToF-MS provide temporal patterns of the volatile release and detect additional compounds. In this study, we compared the volatile profile of apple trees infested with two aphid species, the green apple aphid Aphis pomi, and the rosy apple aphid Dysaphis plantaginea, by CLSA-GC-MS complemented by PTR-ToF-MS. Compounds commonly released in conjunction with both species include nonanal, decanal, methyl salicylate, geranyl acetone, (Z)-3-hexenyl acetate, (Z)-3-hexenyl butanoate, (Z)-3-hexenyl 2-methyl-butanoate, (E)-β-caryophyllene, β-bourbonene and (Z)-3-hexenyl benzoate. In addition, benzaldehyde and (E)-β-farnesene were exclusively associated with A. pomi, whereas linalool, (E)-4,8-dimethyl-1,3,7-nonatriene were exclusively associated with D. plantaginea. PTR-ToF-MS additionally detected acetic acid (AA) and 2-phenylethanol (PET) in the blends of both trees attacked by aphid species. In the wind tunnel, the aphid predator, Chrysoperla carnea (Stephens), responded strongly to a blend of AA and PET, much stronger than to AA or PET alone. The addition of common and species-specific HIPVs did not increase the response to the binary blend of AA and PET. In our setup, two host-associated volatiles AA + PET appeared sufficient in the attraction of C. carnea. Our results also show the importance of combining complementary methods to decipher the odor profile associated with plants under pest attack and identify behaviourally active components for predators.
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Dehimeche N, Buatois B, Bertin N, Staudt M. Insights into the Intraspecific Variability of the above and Belowground Emissions of Volatile Organic Compounds in Tomato. Molecules 2021; 26:molecules26010237. [PMID: 33466378 PMCID: PMC7796079 DOI: 10.3390/molecules26010237] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 11/16/2022] Open
Abstract
The in-vivo monitoring of volatile organic compound (VOC) emissions is a potential non-invasive tool in plant protection, especially in greenhouse cultivation. We studied VOC production from above and belowground organs of the eight parents of the Multi-Parent Advanced Generation Intercross population (MAGIC) tomato population, which exhibits a high genetic variability, in order to obtain more insight into the variability of constitutive VOC emissions from tomato plants under stress-free conditions. Foliage emissions were composed of terpenes, the majority of which were also stored in the leaves. Foliage emissions were very low, partly light-dependent, and differed significantly among genotypes, both in quantity and quality. Soil with roots emitted VOCs at similar, though more variable, rates than foliage. Soil emissions were characterized by terpenes, oxygenated alkanes, and alkenes and phenolic compounds, only a few of which were found in root extracts at low concentrations. Correlation analyses revealed that several VOCs emitted from foliage or soil are jointly regulated and that above and belowground sources are partially interconnected. With respect to VOC monitoring in tomato crops, our results underline that genetic variability, light-dependent de-novo synthesis, and belowground sources are factors to be considered for successful use in crop monitoring.
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Affiliation(s)
- Nafissa Dehimeche
- Centre d’Ecologie Fonctionnelle et Evolutive, CNRS-Université Montpellier-Université Paul-Valéry Montpellier–EPHE, Campus CNRS, CEDEX 5, F-34293 Montpellier, France; (N.D.); (B.B.)
| | - Bruno Buatois
- Centre d’Ecologie Fonctionnelle et Evolutive, CNRS-Université Montpellier-Université Paul-Valéry Montpellier–EPHE, Campus CNRS, CEDEX 5, F-34293 Montpellier, France; (N.D.); (B.B.)
| | - Nadia Bertin
- INRAE, UR115 Plantes et Systèmes de Culture Horticoles, Site Agroparc, 84914 Avignon, France;
| | - Michael Staudt
- Centre d’Ecologie Fonctionnelle et Evolutive, CNRS-Université Montpellier-Université Paul-Valéry Montpellier–EPHE, Campus CNRS, CEDEX 5, F-34293 Montpellier, France; (N.D.); (B.B.)
- Correspondence: ; Tel.: +33-467613272
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Clancy MV, Haberer G, Jud W, Niederbacher B, Niederbacher S, Senft M, Zytynska SE, Weisser WW, Schnitzler JP. Under fire-simultaneous volatilome and transcriptome analysis unravels fine-scale responses of tansy chemotypes to dual herbivore attack. BMC PLANT BIOLOGY 2020; 20:551. [PMID: 33297957 PMCID: PMC7724791 DOI: 10.1186/s12870-020-02745-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/17/2020] [Indexed: 05/13/2023]
Abstract
BACKGROUND Tansy plants (Tanacetum vulgare L.) are known for their high intraspecific chemical variation, especially of volatile organic compounds (VOC) from the terpenoid compound group. These VOCs are closely involved in plant-insect interactions and, when profiled, can be used to classify plants into groups known as chemotypes. Tansy chemotypes have been shown to influence plant-aphid interactions, however, to date no information is available on the response of different tansy chemotypes to simultaneous herbivory by more than one insect species. RESULTS Using a multi-cuvette system, we investigated the responses of five tansy chemotypes to feeding by sucking and/or chewing herbivores (aphids and caterpillars; Metopeurum fuscoviride Stroyan and Spodoptera littoralis Boisduval). Herbivory by caterpillars following aphid infestation led to a plant chemotype-specific change in the patterns of terpenoids stored in trichome hairs and in VOC emissions. The transcriptomic analysis of a plant chemotype represents the first de novo assembly of a transcriptome in tansy and demonstrates priming effects of aphids on a subsequent herbivory. Overall, we show that the five chemotypes do not react in the same way to the two herbivores. As expected, we found that caterpillar feeding increased VOC emissions, however, a priori aphid infestation only led to a further increase in VOC emissions for some chemotypes. CONCLUSIONS We were able to show that different chemotypes respond to the double herbivore attack in different ways, and that pre-treatment with aphids had a priming effect on plants when they were subsequently exposed to a chewing herbivore. If neighbouring chemotypes in a field population react differently to herbivory/dual herbivory, this could possibly have effects from the individual level to the group level. Individuals of some chemotypes may respond more efficiently to herbivory stress than others, and in a group environment these "louder" chemotypes may affect the local insect community, including the natural enemies of herbivores, and other neighbouring plants.
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Affiliation(s)
- Mary V Clancy
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
- Fundamental and Applied Research in Chemical Ecology (FARCE Lab), Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland
| | - Georg Haberer
- Helmholtz Zentrum München, Plant Genome and Systems Biology, Neuherberg, Germany
| | - Werner Jud
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
| | - Bishu Niederbacher
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
| | - Simon Niederbacher
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany
| | - Matthias Senft
- Terrestrial Ecology Research Group, Department of Ecology and Ecosystem Management, Technical University of Munich, School of Life Sciences Weihenstephan, Freising, Germany
| | - Sharon E Zytynska
- Helmholtz Zentrum München, Plant Genome and Systems Biology, Neuherberg, Germany
- Department of Ecology, University of Liverpool, Evolution and Behaviour, Institute of Infection, Veterinary and Ecological Sciences, Liverpool, UK
| | - Wolfgang W Weisser
- Terrestrial Ecology Research Group, Department of Ecology and Ecosystem Management, Technical University of Munich, School of Life Sciences Weihenstephan, Freising, Germany
| | - Jörg-Peter Schnitzler
- Helmholtz Zentrum München, Research Unit Environmental Simulation (EUS), Institute of Biochemical Plant Pathology, Neuherberg, Germany.
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Methyl Salicylate and Sesquiterpene Emissions Are Indicative for Aphid Infestation on Scots Pine. FORESTS 2020. [DOI: 10.3390/f11050573] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Biotic stresses on forest trees are caused by various pest insects and plant pathogens. Attack by these parasites is known to induce the emissions of various biogenic volatile organic compounds (BVOCs), and the profile of these emissions often differs between infested and healthy plants. This difference in emission profile can be used for the non-destructive early-stage diagnosis of the stressor organism. We studied how phloem feeding by a large pine aphid (Cinara pinea Mordvilko) on the branch bark of Scots pine (Pinus sylvestris L.) affects BVOC emissions compared to those of healthy plants in two experiments. We found that in aphid-infested plants, methyl salicylate (MeSA) emissions significantly increased, and the emission rates were dependent on aphid density on the studied branch. Aphid infestation did not significantly affect total monoterpene emission, while the emissions of total sesquiterpenes were substantially higher in aphid-infested saplings than in uninfested plants. Sesquiterpene (E, E)-α-farnesene was emitted at increased rates in both experiments, and the aphid alarm pheromone sesquiterpene (E)-β-farnesene, only in the experiment with higher aphid pressure. We conclude that the rapid increase in MeSA emissions is the most reliable indicator of aphid infestation in pine trees together with (E, E)-α-farnesene.
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16
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Sobhy IS, Caulfield JC, Pickett JA, Birkett MA. Sensing the Danger Signals: cis-Jasmone Reduces Aphid Performance on Potato and Modulates the Magnitude of Released Volatiles. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2019.00499] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Cui S, Inocente EAA, Acosta N, Keener HM, Zhu H, Ling PP. Development of Fast E-nose System for Early-Stage Diagnosis of Aphid-Stressed Tomato Plants. SENSORS 2019; 19:s19163480. [PMID: 31395823 PMCID: PMC6721161 DOI: 10.3390/s19163480] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/05/2019] [Accepted: 08/06/2019] [Indexed: 02/05/2023]
Abstract
An electronic nose (E-nose) system equipped with a sensitive sensor array was developed for fast diagnosis of aphid infestation on greenhouse tomato plants at early stages. Volatile organic compounds (VOCs) emitted by tomato plants with and without aphid attacks were detected using both the developed E-nose system and gas chromatography mass spectrometry (GC-MS), respectively. Sensor performance, with fast sensor responses and high sensitivity, were observed using the E-nose system. A principle component analysis (PCA) indicated accurate diagnosis of aphid-stressed plants compared to healthy ones, with the first two PCs accounting for 86.7% of the classification. The changes in VOCs profiles of the healthy and infested tomato plants were quantitatively determined by GC-MS. Results indicated that a group of new VOCs biomarkers (linalool, carveol, and nonane (2,2,4,4,6,8,8-heptamethyl-)) played a role in providing information on the infestation on the tomato plants. More importantly, the variation in the concentration of sesquiterpene VOCs (e.g., caryophyllene) and new terpene alcohol compounds was closely associated with the sensor responses during E-nose testing, which verified the reliability and accuracy of the developed E-nose system. Tomato plants growing in spring had similar VOCs profiles as those of winter plants, except several terpenes released from spring plants that had a slightly higher intensity.
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Affiliation(s)
- Shaoqing Cui
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave, Wooster, OH 44691-4096, USA
| | - Elvia Adriana Alfaro Inocente
- Department of Entomology, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave, Wooster, OH 44691-4096, USA
| | - Nuris Acosta
- Department of Entomology, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave, Wooster, OH 44691-4096, USA
| | - Harold M Keener
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave, Wooster, OH 44691-4096, USA
| | - Heping Zhu
- United States Department of Agriculture-Agricultural Research Service (USDA-ARS) Application Technology Research Unit, 1680 Madison Ave, Wooster, OH 44691-4096, USA.
| | - Peter P Ling
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave, Wooster, OH 44691-4096, USA.
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18
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Conchou L, Lucas P, Meslin C, Proffit M, Staudt M, Renou M. Insect Odorscapes: From Plant Volatiles to Natural Olfactory Scenes. Front Physiol 2019; 10:972. [PMID: 31427985 PMCID: PMC6688386 DOI: 10.3389/fphys.2019.00972] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 07/11/2019] [Indexed: 11/13/2022] Open
Abstract
Olfaction is an essential sensory modality for insects and their olfactory environment is mostly made up of plant-emitted volatiles. The terrestrial vegetation produces an amazing diversity of volatile compounds, which are then transported, mixed, and degraded in the atmosphere. Each insect species expresses a set of olfactory receptors that bind part of the volatile compounds present in its habitat. Insect odorscapes are thus defined as species-specific olfactory spaces, dependent on the local habitat, and dynamic in time. Manipulations of pest-insect odorscapes are a promising approach to answer the strong demand for pesticide-free plant-protection strategies. Moreover, understanding their olfactory environment becomes a major concern in the context of global change and environmental stresses to insect populations. A considerable amount of information is available on the identity of volatiles mediating biotic interactions that involve insects. However, in the large body of research devoted to understanding how insects use olfaction to locate resources, an integrative vision of the olfactory environment has rarely been reached. This article aims to better apprehend the nature of the insect odorscape and its importance to insect behavioral ecology by reviewing the literature specific to different disciplines from plant ecophysiology to insect neuroethology. First, we discuss the determinants of odorscape composition, from the production of volatiles by plants (section "Plant Metabolism and Volatile Emissions") to their filtering during detection by the olfactory system of insects (section "Insect Olfaction: How Volatile Plant Compounds Are Encoded and Integrated by the Olfactory System"). We then summarize the physical and chemical processes by which volatile chemicals distribute in space (section "Transportation of Volatile Plant Compounds and Spatial Aspects of the Odorscape") and time (section "Temporal Aspects: The Dynamics of the Odorscape") in the atmosphere. The following sections consider the ecological importance of background odors in odorscapes and how insects adapt to their olfactory environment. Habitat provides an odor background and a sensory context that modulate the responses of insects to pheromones and other olfactory signals (section "Ecological Importance of Odorscapes"). In addition, insects do not respond inflexibly to single elements in their odorscape but integrate several components of their environment (section "Plasticity and Adaptation to Complex and Variable Odorscapes"). We finally discuss existing methods of odorscape manipulation for sustainable pest insect control and potential future developments in the context of agroecology (section "Odorscapes in Plant Protection and Agroecology").
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Affiliation(s)
- Lucie Conchou
- INRA, Sorbonne Université, INRA, CNRS, UPEC, IRD, University P7, Institute of Ecology and Environmental Sciences of Paris, Paris, France
| | - Philippe Lucas
- INRA, Sorbonne Université, INRA, CNRS, UPEC, IRD, University P7, Institute of Ecology and Environmental Sciences of Paris, Paris, France
| | - Camille Meslin
- INRA, Sorbonne Université, INRA, CNRS, UPEC, IRD, University P7, Institute of Ecology and Environmental Sciences of Paris, Paris, France
| | - Magali Proffit
- CEFE, CNRS, EPHE, IRD, Université de Montpellier, Université Paul-Valéry Montpellier, Montpellier, France
| | - Michael Staudt
- CEFE, CNRS, EPHE, IRD, Université de Montpellier, Université Paul-Valéry Montpellier, Montpellier, France
| | - Michel Renou
- INRA, Sorbonne Université, INRA, CNRS, UPEC, IRD, University P7, Institute of Ecology and Environmental Sciences of Paris, Paris, France
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Mycorrhizae Alter Constitutive and Herbivore-Induced Volatile Emissions by Milkweeds. J Chem Ecol 2019; 45:610-625. [PMID: 31281942 DOI: 10.1007/s10886-019-01080-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 01/24/2019] [Accepted: 05/29/2019] [Indexed: 10/26/2022]
Abstract
Plants use volatile organic compounds (VOCs) to cue natural enemies to their herbivore prey on plants. Simultaneously, herbivores utilize volatile cues to identify appropriate hosts. Despite extensive efforts to understand sources of variation in plant communication by VOCs, we lack an understanding of how ubiquitous belowground mutualists, such as arbuscular mycorrhizal fungi (AMF), influence plant VOC emissions. In a full factorial experiment, we subjected plants of two milkweed (Asclepias) species under three levels of AMF availability to damage by aphids (Aphis nerii). We then measured plant headspace volatiles and chemical defenses (cardenolides) and compared these to VOCs emitted and cardenolides produced by plants without herbivores. We found that AMF have plant species-specific effects on constitutive and aphid-induced VOC emissions. High AMF availability increased emissions of total VOCs, two green leaf volatiles (3-hexenyl acetate and hexyl acetate), and methyl salicylate in A. curassavica, but did not affect emissions in A. incarnata. In contrast, aphids consistently increased emissions of 6-methyl-5-hepten-2-one and benzeneacetaldehyde in both species, independent of AMF availability. Both high AMF availability and aphids alone suppressed emissions of individual terpenes. However, aphid damage on plants under high AMF availability increased, or did not affect, emissions of those terpenes. Lastly, aphid feeding suppressed cardenolide concentrations only in A. curassavica, and AMF did not affect cardenolides in either plant species. Our findings suggest that by altering milkweed VOC profiles, AMF may affect both herbivore performance and natural enemy attraction.
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20
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Rasulov B, Talts E, Niinemets Ü. A novel approach for real-time monitoring of leaf wounding responses demonstrates unprecedently fast and high emissions of volatiles from cut leaves. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2019; 283:256-265. [PMID: 31128696 PMCID: PMC6837861 DOI: 10.1016/j.plantsci.2019.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/09/2019] [Accepted: 03/10/2019] [Indexed: 05/04/2023]
Abstract
Wounding is a key plant stress that results in a rapid, within seconds to a few minutes, release of ubiquitous stress volatiles and stored volatiles in species with storage structures. Understanding the timing and extent of wound-dependent volatile elicitation is needed to gain an insight into different emission controls, but real-time monitoring of plant emissions through wounding treatments has been hampered by the need to stop the measurements to perform the wounding, slow stabilization of gas flows upon chamber closure and smearing out the signal by large chambers and long sampling lines. We developed a novel leaf cutter that allows to rapidly perform highly precise leaf cuts within the leaf chamber. The cutter was fitted to the standard Walz GFS-3000 portable gas-exchange system leaf chamber and chamber exhaust air for analysis with a proton transfer reaction time-of-flight mass-spectrometer (PTR-TOF-MS) was taken right at the leaf chamber outlet. Wounding experiments in four species of contrasting leaf structure demonstrated significant species differences in timing, extent and blend of emitted volatiles, and showed unprecedently high emission rates of several stress volatiles and stored monoterpenes. In light of the rapid rise of release of de novo synthesized and stored volatiles, the results of this study suggest that past studies have underestimated the rate of elicitation and maximum emission rates of wound-dependent volatiles.
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Affiliation(s)
- Bahtijor Rasulov
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006, Tartu, Estonia
| | - Eero Talts
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006, Tartu, Estonia
| | - Ülo Niinemets
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006, Tartu, Estonia; Estonian Academy of Sciences, Kohtu 6, 10130, Tallinn, Estonia.
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Bari G, Scala A, Garzone V, Salvia R, Yalcin C, Vernile P, Aresta AM, Facini O, Baraldi R, Bufo SA, Vogel H, de Lillo E, Rapparini F, Falabella P. Chemical Ecology of Capnodis tenebrionis (L.) (Coleoptera: Buprestidae): Behavioral and Biochemical Strategies for Intraspecific and Host Interactions. Front Physiol 2019; 10:604. [PMID: 31191334 PMCID: PMC6545930 DOI: 10.3389/fphys.2019.00604] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/29/2019] [Indexed: 12/21/2022] Open
Abstract
This study focuses on several aspects of communication strategies adopted by adults of the Mediterranean flat-headed root-borer Capnodis tenebrionis (Coleoptera: Buprestidae). Morphological studies on the structures involved in mate recognition and acceptance revealed the presence of porous areas in the pronota in both sexes. These areas were variable in shape and size, but proportionally larger in males. The presence of chaetic, basiconic, and coeloconic sensilla in the antennae of both males and females was verified. Bioassays revealed stereotyped rituals in males and the involvement of female pronotal secretions in mate recognition and acceptance. During the mating assays, the female's pronotum was covered by a biologically inert polymeric resin (DenFilTM), which prevented males from detecting the secretions and from completing the copulation ritual. The use of the resin allowed for the collection of chemical compounds. GC-MS analysis of the resin suggested it may be used to retain compounds from insect body surfaces and revealed sex-specific chemical profiles in the cuticles. Since adult C. tenebrionis may use volatile organic compounds (VOCs) emitted from leaves or shoots, the VOC emission profiles of apricot trees were characterized. Several volatiles related to plant-insect interactions involving fruit tree species of the Rosaceae family and buprestid beetles were identified. To improve understanding of how VOCs are perceived, candidate soluble olfactory proteins involved in chemoreception (odorant-binding proteins and chemosensory proteins) were identified using tissue and sex-specific RNA-seq data. The implications for chemical identification, physiological and ecological functions in intraspecific communication and insect-host interactions are discussed and potential applications for monitoring presented.
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Affiliation(s)
- Giuseppe Bari
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Andrea Scala
- Department of Science, University of Basilicata, Potenza, Italy
| | - Vita Garzone
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Rosanna Salvia
- Department of Science, University of Basilicata, Potenza, Italy
| | - Cem Yalcin
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
- Syngenta, Izmir, Turkey
| | - Pasqua Vernile
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | | | - Osvaldo Facini
- Department of Biology, Agriculture and Food Sciences, Biometeorology Institute, National Research Council, Bologna, Italy
| | - Rita Baraldi
- Department of Biology, Agriculture and Food Sciences, Biometeorology Institute, National Research Council, Bologna, Italy
| | - Sabino A. Bufo
- Department of Science, University of Basilicata, Potenza, Italy
| | - Heiko Vogel
- Department of Entomology, Max Planck Institute for Chemical Ecology, Jena, Germany
| | - Enrico de Lillo
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Francesca Rapparini
- Department of Biology, Agriculture and Food Sciences, Biometeorology Institute, National Research Council, Bologna, Italy
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Rubene D, Leidefors M, Ninkovic V, Eggers S, Low M. Disentangling olfactory and visual information used by field foraging birds. Ecol Evol 2019; 9:545-552. [PMID: 30680135 PMCID: PMC6341975 DOI: 10.1002/ece3.4773] [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: 06/23/2018] [Revised: 10/23/2018] [Accepted: 11/01/2018] [Indexed: 11/22/2022] Open
Abstract
Foraging strategies of birds can influence trophic plant-insect networks with impacts on primary plant production. Recent experiments show that some forest insectivorous birds can use herbivore-induced plant volatiles (HIPVs) to locate herbivore-infested trees, but it is unclear how birds combine or prioritize visual and olfactory information when making foraging decisions. Here, we investigated attraction of ground-foraging birds to HIPVs and visible prey in short vegetation on farmland in a series of foraging choice experiments. Birds showed an initial preference for HIPVs when visual information was the same for all choice options (i.e., one experimental setup had all options with visible prey, another setup with hidden prey). However, if the alternatives within an experimental setup included visible prey (without HIPV) in competition with HIPV-only, then birds preferred the visual option over HIPVs. Our results show that olfactory cues can play an important role in birds' foraging choices when visual information contains little variation; however, visual cues are preferred when variation is present. This suggests certain aspects of bird foraging decisions in agricultural habitats are mediated by olfactory interaction mechanisms between birds and plants. We also found that birds from variety of dietary food guilds were attracted to HIPVs; hence, the ability of birds to use plant cues is probably more general than previously thought, and may influence the biological pest control potential of birds on farmland.
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Affiliation(s)
- Diana Rubene
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
- Present address:
Department of Crop Production EcologySwedish University of Agricultural SciencesUppsalaSweden
| | - Malin Leidefors
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
| | - Velemir Ninkovic
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
| | - Sönke Eggers
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
| | - Matthew Low
- Department of EcologySwedish University of Agricultural SciencesUppsalaSweden
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Moreira X, Nell CS, Katsanis A, Rasmann S, Mooney KA. Herbivore specificity and the chemical basis of plant-plant communication in Baccharis salicifolia (Asteraceae). THE NEW PHYTOLOGIST 2018; 220:703-713. [PMID: 27597176 DOI: 10.1111/nph.14164] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 07/20/2016] [Indexed: 05/24/2023]
Abstract
It is well known that plant damage by leaf-chewing herbivores can induce resistance in neighbouring plants. It is unknown whether such communication occurs in response to sap-feeding herbivores, whether communication is specific to herbivore identity, and the chemical basis of communication, including specificity. We carried out glasshouse experiments using the California-native shrub Baccharis salicifolia and two ecologically distinct aphid species (one a dietary generalist and the other a specialist) to test for specificity of plant-plant communication and to document the underlying volatile organic compounds (VOCs). We show specificity of plant-plant communication to herbivore identity, as each aphid-damaged plant only induced resistance in neighbours against the same aphid species. The amount and composition of induced VOCs were markedly different between plants attacked by the two aphid species, providing a putative chemical mechanism for this specificity. Furthermore, a synthetic blend of the five major aphid-induced VOCs (ethanone, limonene, methyl salicylate, myrcene, ocimene) triggered resistance in receiving plants of comparable magnitude to aphid damage of neighbours, and the effects of the blend exceeded those of individual compounds. This study significantly advances our understanding of plant-plant communication by demonstrating the importance of sap-feeding herbivores and herbivore identity, as well as the chemical basis for such effects.
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Affiliation(s)
- Xoaquín Moreira
- Misión Biológica de Galicia (MBG-CSIC), Apdo. 28, Pontevedra, Galicia, 36080, Spain
| | - Colleen S Nell
- Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, 92697, USA
| | - Angelos Katsanis
- Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, 92697, USA
| | - Sergio Rasmann
- Institute of Biology, Laboratory of Functional Ecology, University of Neuchâtel, Rue Emile-Argand 11, Neuchâtel, 2000, Switzerland
| | - Kailen A Mooney
- Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, 92697, USA
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Sobhy IS, Woodcock CM, Powers SJ, Caulfield JC, Pickett JA, Birkett MA. cis-Jasmone Elicits Aphid-Induced Stress Signalling in Potatoes. J Chem Ecol 2017; 43:39-52. [PMID: 28130741 PMCID: PMC5331074 DOI: 10.1007/s10886-016-0805-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 10/16/2016] [Accepted: 12/02/2016] [Indexed: 11/30/2022]
Abstract
Elicitation of plant defense signaling that results in altered emission of volatile organic compounds (VOCs) offers opportunities for protecting plants against arthropod pests. In this study, we treated potato, Solanum tuberosum L., with the plant defense elicitor cis-jasmone (CJ), which induces the emission of defense VOCs and thus affects the behavior of herbivores. Using chemical analysis, electrophysiological and behavioral assays with the potato-feeding aphid Macrosiphum euphorbiae, we showed that CJ treatment substantially increased the emission of defense VOCs from potatoes compared to no treatment. Coupled GC-electroantennogram (GC-EAG) recordings from the antennae of M. euphorbiae showed robust responses to 14 compounds present in induced VOCs, suggesting their behavioral role in potato/aphid interactions. Plants treated with CJ and then challenged with M. euphorbiae were most repellent to alate M. euphorbiae. Principal component analysis (PCA) of VOC collections suggested that (E)-2-hexenal, (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene (TMTT), (E)-β-farnesene, (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT), methyl salicylate (MeSA), CJ, and methyl benzoate (MeBA) were the main VOCs contributing to aphid behavioral responses, and that production of TMTT, (E)-β-farnesene, CJ, and DMNT correlated most strongly with aphid repellency. Our findings confirm that CJ can enhance potato defense against aphids by inducing production of VOCs involved in aphid-induced signalling.
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Affiliation(s)
- Islam S Sobhy
- Rothamsted Research, West Common, Harpenden, AL5 2JQ, Hertfordshire, UK.,Department of Plant Protection, Public Service Center of Biological Control (PSCBC), Faculty of Agriculture, Suez Canal University, Ismailia, 41522, Egypt.,Department of Microbial & Molecular Systems, KU Leuven, Campus De Nayer, B-2860 Sint-Katelijne-Waver, Leuven, Belgium
| | | | - Stephen J Powers
- Rothamsted Research, West Common, Harpenden, AL5 2JQ, Hertfordshire, UK
| | - John C Caulfield
- Rothamsted Research, West Common, Harpenden, AL5 2JQ, Hertfordshire, UK
| | - John A Pickett
- Rothamsted Research, West Common, Harpenden, AL5 2JQ, Hertfordshire, UK
| | - Michael A Birkett
- Rothamsted Research, West Common, Harpenden, AL5 2JQ, Hertfordshire, UK.
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25
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Portillo-Estrada M, Kazantsev T, Niinemets Ü. Fading of wound-induced volatile release during Populus tremula leaf expansion. JOURNAL OF PLANT RESEARCH 2017; 130:157-165. [PMID: 27885502 PMCID: PMC5788259 DOI: 10.1007/s10265-016-0880-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/25/2016] [Indexed: 05/04/2023]
Abstract
The release of stress-driven volatiles throughout leaf development has been little studied. Therefore, we subjected poplar leaves during their developmental stage (from 2 days to 2 weeks old) to wounding by a single punch hole, and measured online the wound-induced volatile organic compound emissions. Our study shows that the emission of certain volatile compounds fades with increasing leaf age. Among these compounds we found lipoxygenase products (LOX products), acetaldehyde, methyl benzoate, methyl salicylate, and mono- and sesquiterpenes. In parallel, we studied the fading of constitutive emissions of methanol during leaf maturation, as well as the rise in isoprene constitutive emission during leaf maturation and its relationship to leaf photosynthetic capacity. We found highly significant relationships between leaf chlorophyll content, photosynthetic capacity, and leaf size during leaf ageing. As the level of constitutive defences increases with increasing leaf age, the strength of the volatile signal is expected to be gradually reduced. The higher elicitation of volatile organic compound emissions (especially LOX products) in younger leaves could be an evolutionary defence against herbivory, given that younger leaves are usually more subjected to infestation and herbivory.
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Affiliation(s)
- Miguel Portillo-Estrada
- Centre of Excellence PLECO, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium.
- Department of Plant Physiology, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia.
| | - Taras Kazantsev
- Department of Plant Physiology, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Ülo Niinemets
- Department of Plant Physiology, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
- Estonian Academy of Sciences, Kohtu 6, 10130, Tallinn, Estonia
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26
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Rowen E, Kaplan I. Eco-evolutionary factors drive induced plant volatiles: a meta-analysis. THE NEW PHYTOLOGIST 2016; 210:284-94. [PMID: 26725245 DOI: 10.1111/nph.13804] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 11/11/2015] [Indexed: 05/18/2023]
Abstract
Herbivore-induced plant volatiles (HIPVs) mediate critical ecological functions, but no studies have quantitatively synthesized data published on HIPVs to evaluate broad patterns. We tested three hypotheses that use eco-evolutionary theory to predict volatile induction: feeding guild (chewing arthropods > sap feeders), diet breadth (specialist herbivores > generalists), and selection history (domesticated plants < wild species). To test these hypotheses, we extracted data from 236 experiments that report volatiles produced by herbivore-damaged and undamaged plants. These data were subjected to meta-analysis, including effects on total volatiles and major biochemical classes. Overall, we found that chewers induced more volatiles than sap feeders, for both total volatiles and most volatile classes (e.g. green leaf volatiles, monoterpenes). Although specialist herbivores induced more total volatiles than generalists, this was inconsistent across chemical classes. Contrary to our expectation, domesticated species induced stronger volatile responses than wild species, even when controlling for plant taxonomy. Surprisingly, this is the first quantitative synthesis of published studies on HIPVs. Our analysis provides support for perceptions in the published literature (chewers > sap feeders), while challenging other commonly held notions (wild > crop). Despite the large number of experiments, we identified several gaps in the existing literature that should guide future investigations.
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Affiliation(s)
- Elizabeth Rowen
- Department of Entomology, The Pennsylvania State University, University Park, PA, 16802-3508, USA
| | - Ian Kaplan
- Department of Entomology, Purdue University, 901 W. State Street, West Lafayette, IN, 47907, USA
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27
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Effects of aphid herbivory on volatile organic compounds of Artemisia annua and Chrysanthemum morifolium. BIOCHEM SYST ECOL 2015. [DOI: 10.1016/j.bse.2015.04.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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28
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Kamphuis LG, Zulak K, Gao LL, Anderson J, Singh KB. Plant-aphid interactions with a focus on legumes. FUNCTIONAL PLANT BIOLOGY : FPB 2013; 40:1271-1284. [PMID: 32481194 DOI: 10.1071/fp13090] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 05/29/2013] [Indexed: 06/11/2023]
Abstract
Sap-sucking insects such as aphids cause substantial yield losses in agriculture by draining plant nutrients as well as vectoring viruses. The main method of control in agriculture is through the application of insecticides. However, aphids rapidly evolve mechanisms to detoxify these, so there is a need to develop durable plant resistance to these damaging insect pests. The focus of this review is on aphid interactions with legumes, but work on aphid interactions with other plants, particularly Arabidopsis and tomato is also discussed. This review covers advances on the plant side of the interaction, including the identification of major resistance genes and quantitative trait loci conferring aphid resistance in legumes, basal and resistance gene mediated defence signalling following aphid infestation and the role of specialised metabolites. On the aphid side of the interaction, this review covers what is known about aphid effector proteins and aphid detoxification enzymes. Recent advances in these areas have provided insight into mechanisms underlying resistance to aphids and the strategies used by aphids for successful infestations and have significant impacts for the delivery of durable resistance to aphids in legume crops.
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Affiliation(s)
- Lars G Kamphuis
- CSIRO Plant Industry, Private Bag 5, Wembley, WA 6913, Australia
| | - Katherine Zulak
- CSIRO Plant Industry, Private Bag 5, Wembley, WA 6913, Australia
| | - Ling-Ling Gao
- CSIRO Plant Industry, Private Bag 5, Wembley, WA 6913, Australia
| | | | - Karam B Singh
- CSIRO Plant Industry, Private Bag 5, Wembley, WA 6913, Australia
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29
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Niinemets Ü, Kännaste A, Copolovici L. Quantitative patterns between plant volatile emissions induced by biotic stresses and the degree of damage. FRONTIERS IN PLANT SCIENCE 2013; 4:262. [PMID: 23888161 PMCID: PMC3719043 DOI: 10.3389/fpls.2013.00262] [Citation(s) in RCA: 128] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 06/27/2013] [Indexed: 05/18/2023]
Abstract
Plants have to cope with a plethora of biotic stresses such as herbivory and pathogen attacks throughout their life cycle. The biotic stresses typically trigger rapid emissions of volatile products of lipoxygenase (LOX) pathway (LOX products: various C6 aldehydes, alcohols, and derivatives, also called green leaf volatiles) associated with oxidative burst. Further a variety of defense pathways is activated, leading to induction of synthesis and emission of a complex blend of volatiles, often including methyl salicylate, indole, mono-, homo-, and sesquiterpenes. The airborne volatiles are involved in systemic responses leading to elicitation of emissions from non-damaged plant parts. For several abiotic stresses, it has been demonstrated that volatile emissions are quantitatively related to the stress dose. The biotic impacts under natural conditions vary in severity from mild to severe, but it is unclear whether volatile emissions also scale with the severity of biotic stresses in a dose-dependent manner. Furthermore, biotic impacts are typically recurrent, but it is poorly understood how direct stress-triggered and systemic emission responses are silenced during periods intervening sequential stress events. Here we review the information on induced emissions elicited in response to biotic attacks, and argue that biotic stress severity vs. emission rate relationships should follow principally the same dose-response relationships as previously demonstrated for different abiotic stresses. Analysis of several case studies investigating the elicitation of emissions in response to chewing herbivores, aphids, rust fungi, powdery mildew, and Botrytis, suggests that induced emissions do respond to stress severity in dose-dependent manner. Bi-phasic emission kinetics of several induced volatiles have been demonstrated in these experiments, suggesting that next to immediate stress-triggered emissions, biotic stress elicited emissions typically have a secondary induction response, possibly reflecting a systemic response. The dose-response relationships can also vary in dependence on plant genotype, herbivore feeding behavior, and plant pre-stress physiological status. Overall, the evidence suggests that there are quantitative relationships between the biotic stress severity and induced volatile emissions. These relationships constitute an encouraging platform to develop quantitative plant stress response models.
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Affiliation(s)
| | | | - Lucian Copolovici
- Estonian University of Life SciencesTartu, Estonia
- Institute of Technical and Natural Sciences Research-Development, Aurel Vlaicu UniversityArad, Romania
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30
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Different Reactions of Potato Varieties to Infection by Potato Leafroll Virus, and Associated Responses by its Vector, Myzus persicae (Sulzer). J Chem Ecol 2013; 39:1027-35. [DOI: 10.1007/s10886-013-0311-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Revised: 06/05/2013] [Accepted: 06/11/2013] [Indexed: 10/26/2022]
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31
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Pineda A, Soler R, Weldegergis BT, Shimwela MM, VAN Loon JJA, Dicke M. Non-pathogenic rhizobacteria interfere with the attraction of parasitoids to aphid-induced plant volatiles via jasmonic acid signalling. PLANT, CELL & ENVIRONMENT 2013; 36:393-404. [PMID: 22812443 DOI: 10.1111/j.1365-3040.2012.02581.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Beneficial soil-borne microbes, such as mycorrhizal fungi or rhizobacteria, can affect the interactions of plants with aboveground insects at several trophic levels. While the mechanisms of interactions with herbivorous insects, that is, the second trophic level, are starting to be understood, it remains unknown how plants mediate the interactions between soil microbes and carnivorous insects, that is, the third trophic level. Using Arabidopsis thaliana Col-0 and the aphid Myzus persicae, we evaluate here the underlying mechanisms involved in the plant-mediated interaction between the non-pathogenic rhizobacterium Pseudomonas fluorescens and the parasitoid Diaeretiella rapae, by combining ecological, chemical and molecular approaches. Rhizobacterial colonization modifies the composition of the blend of herbivore-induced plant volatiles. The volatile blend from rhizobacteria-treated aphid-infested plants is less attractive to an aphid parasitoid, in terms of both olfactory preference behaviour and oviposition, than the volatile blend from aphid-infested plants without rhizobacteria. Importantly, the effect of rhizobacteria on both the emission of herbivore-induced volatiles and parasitoid response to aphid-infested plants is lost in an Arabidopsis mutant (aos/dde2-2) that is impaired in jasmonic acid production. By modifying the blend of herbivore-induced plant volatiles that depend on the jasmonic acid-signalling pathway, root-colonizing microbes interfere with the attraction of parasitoids of leaf herbivores.
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Affiliation(s)
- Ana Pineda
- Laboratory of Entomology, Wageningen University, PO Box 8031, 6700 EH Wageningen, The Netherlands.
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32
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Aksenov AA, Novillo AVG, Sankaran S, Fung AG, Pasamontes A, Martinelli F, Cheung WHK, Ehsani R, Dandekar AM, Davis CE. Volatile Organic Compounds (VOCs) for Noninvasive Plant Diagnostics. ACS SYMPOSIUM SERIES 2013. [DOI: 10.1021/bk-2013-1141.ch006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Alexander A. Aksenov
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Ana V. Guaman Novillo
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Sindhuja Sankaran
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Alexander G. Fung
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Alberto Pasamontes
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Frederico Martinelli
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - William H. K. Cheung
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Reza Ehsani
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Abhaya M. Dandekar
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
| | - Cristina E. Davis
- Mechanical and Aerospace Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
- Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Cataluña, Carrer Baldiri Reixac, 4, 08028, Barcelona, Spain
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, U.S.A
- Department of Agricultural and Forest Sciences, University of Palermo, Viale delle scienze, 90128, Palermo, Italy
- Plant Sciences, University of California, Davis, One Shields Avenue, Davis, California 95616, U.S.A
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Holopainen JK. Can forest trees compensate for stress-generated growth losses by induced production of volatile compounds? TREE PHYSIOLOGY 2011; 31:1356-77. [PMID: 22112623 DOI: 10.1093/treephys/tpr111] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Plants produce a variety of volatile organic compounds (VOCs). Under abiotic and biotic stresses, the number and amount of produced compounds can increase. Due to their long life span and large size, trees can produce biogenic VOCs (BVOCs) in much higher amounts than many other plants. It has been suggested that at cellular and tree physiological levels, induced production of VOCs is aimed at improving plant resistance to damage by reactive oxygen species generated by multiple abiotic stresses. In the few reported cases when biosynthesis of plant volatiles is inhibited or enhanced, the observed response to stress can be attributed to plant volatiles. Reported increase, e.g., in photosynthesis has mostly ranged between 5 and 50%. A comprehensive model to explain similar induction of VOCs under multiple biotic stresses is not yet available. As a result of pathogen or herbivore attack on forest trees, the induced production of VOCs is localized to the damage site but systemic induction of emissions has also been detected. These volatiles can affect fungal pathogens and the arrival rate of herbivorous insects on damaged trees, but also act as signalling compounds to maintain the trophic cascades that may improve tree fitness by improved efficiency of herbivore natural enemies. On the forest scale, biotic induction of VOC synthesis and release leads to an amplified flow of BVOCs in atmospheric reactions, which in atmospheres rich in oxides of nitrogen (NOx) results in ozone formation, and in low NOx atmospheres results in oxidation of VOCs, removal in ozone from the troposphere and the resulting formation of biogenic secondary organic aerosol (SOA) particles. I will summarize recent advances in the understanding of stress-induced VOC emissions from trees, with special focus on Populus spp. Particular importance is given to the ecological and atmospheric feedback systems based on BVOCs and biogenic SOA formation.
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Affiliation(s)
- Jarmo K Holopainen
- Department of Environmental Science, University of Eastern Finland, FI-70211 Kuopio, Finland.
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34
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Sauge MH, Lambert P, Pascal T. Co-localisation of host plant resistance QTLs affecting the performance and feeding behaviour of the aphid Myzus persicae in the peach tree. Heredity (Edinb) 2011; 108:292-301. [PMID: 21897441 DOI: 10.1038/hdy.2011.74] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The architecture and action of quantitative trait loci (QTL) contributing to plant resistance mechanisms against aphids, the largest group of phloem-feeding insects, are not well understood. Comparative mapping of several components of resistance to the green peach aphid (Myzus persicae) was undertaken in Prunus davidiana, a wild species related to peach. An interspecific F(1) population of Prunus persica var. Summergrand × P. davidiana clone P1908 was scored for resistance (aphid colony development and foliar damage) and 17 aphid feeding behaviour traits monitored by means of the electrical penetration graph technique. Seven resistance QTLs were detected, individually explaining 6.1-43.1% of the phenotypic variation. Consistency was shown over several trials. Nine QTLs affecting aphid feeding behaviour were identified. All resistance QTLs except one co-located with QTLs underlying aphid feeding behaviour. A P. davidiana resistance allele at the major QTL was associated with drastic reductions in phloem sap ingestion by aphids, suggesting a phloem-based resistance mechanism. Resistance was also positively correlated with aphid salivation into sieve elements, suggesting an insect response to restore the appropriate conditions for ingestion after phloem occlusion. No significant QTL was found for traits characterising aphid mouthpart activity in plant tissues other than phloem vessels. Two QTLs with effects on aphid feeding behaviour but without effect on resistance were identified. SSR markers linked to the main QTLs involved in resistance are of potential use in marker-assisted selection for aphid resistance. Linking our results with the recent sequencing of the peach genome may help clarify the physiological resistance mechanisms.
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Affiliation(s)
- M-H Sauge
- INRA, UR 1115 Plantes et Systèmes de culture Horticoles, Domaine Saint Paul, Avignon Cedex, France.
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35
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Bracho-Nunez A, Welter S, Staudt M, Kesselmeier J. Plant-specific volatile organic compound emission rates from young and mature leaves of Mediterranean vegetation. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2010jd015521] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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