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Thompson MN, Arriaga J, Bradford BJ, Kurian R, Strozier G, Helms AM. Belowground insect herbivory induces systemic volatile emissions that strengthen neighbouring plant resistance aboveground. PLANT, CELL & ENVIRONMENT 2024; 47:714-725. [PMID: 37961782 DOI: 10.1111/pce.14762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 10/20/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023]
Abstract
Plants transmit ecologically relevant messages to neighbouring plants through chemical cues. For instance, insect herbivory triggers the production of herbivore-induced plant volatiles (HIPVs), which can enhance neighbouring plant defences. HIPVs are emitted from directly damaged plant tissues and from systemic, nondamaged tissues. Although volatile-mediated interplant interactions have been observed both above- and belowground, it remains unknown whether belowground herbivory induces systemic HIPVs aboveground that influence neighbouring plants. To explore how belowground herbivory affects interplant interactions aboveground, we characterised systemic HIPVs from squash induced by belowground striped cucumber beetle (Acalymma vittatum) larval herbivory. We exposed squash 'receiver plants' to systemic HIPVs or volatiles from nondamaged plants. We then measured herbivore resistance by challenging 'receiver plants' with aboveground-feeding herbivores: adult beetles (A. vittatum) or squash bugs (Anasa tristis). We discovered belowground-damaged plants emitted more (E)-β-ocimene, a key volatile from the systemic HIPV blend, than nondamaged controls, and that exposure to systemic HIPVs enhanced neighbouring plant resistance to aboveground squash bugs, but not adult beetles. Further investigations into the mechanism of interplant interaction revealed β-ocimene alone can elicit plant resistance against squash bugs. Overall, our findings reveal a novel form of volatile-mediated interactions between plants spanning across aboveground-belowground plant systems.
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Affiliation(s)
- Morgan N Thompson
- Department of Entomology, Texas A&M University, College Station, Texas, USA
| | - Jayda Arriaga
- Department of Entomology, Texas A&M University, College Station, Texas, USA
- Biomedical Sciences Interdisciplinary Program, Texas A&M University, College Station, Texas, USA
| | - B Jack Bradford
- Department of Entomology, Texas A&M University, College Station, Texas, USA
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
| | - Rachel Kurian
- Department of Entomology, Texas A&M University, College Station, Texas, USA
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas, USA
| | - Gage Strozier
- Department of Entomology, Texas A&M University, College Station, Texas, USA
- Department of Horticultural Sciences, Texas A&M University, College Station, Texas, USA
| | - Anjel M Helms
- Department of Entomology, Texas A&M University, College Station, Texas, USA
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Foba CN, Shi JH, An QQ, Liu L, Hu XJ, Hegab MAMS, Liu H, Zhao PM, Wang MQ. Volatile-mediated tritrophic defense and priming in neighboring maize against Ostrinia furnacalis and Mythimna separata. PEST MANAGEMENT SCIENCE 2023; 79:105-113. [PMID: 36088646 DOI: 10.1002/ps.7178] [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: 04/27/2022] [Revised: 08/19/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Plants respond to attackers by triggering phytohormones signaling associated metabolites, including herbivore-induced plant volatiles (HIPVs). HIPVs can indirectly act against herbivory by recruitment of natural enemies and priming of neighboring plants. Ostrinia furnacalis and Mythimna separata are important insect herbivores of maize plants that have a devastating influence on yield. However, little is known about how maize temporally reconfigures its defense systems against these herbivores and variation of neighboring plant resistance. RESULTS This study investigated the effects of HIPVs on the behavior of the dominant predatory beetle Harmonia axyridis and priming in neighboring maize defense against O. furnacalis and M. separata over time. The results showed that maize damaged by either O. furnacalis or M. separata enhanced the release of volatiles including terpenes, aldehydes, alkanes and an ester, which elicited an increased attractive response to H. axyridis after 3 and 12 h, respectively. O. furnacalis damage resulted in accumulations of leaf jasmonic acid (JA) and salicylic acid in maize after 6 and 3 h, respectively, while M. separata damage only raised the JA level after 3 h. Furthermore, HIPVs were able to prime neighboring plants through the accumulation of JA after 24 h. Both larvae showed a significant decrease in weight accumulation after 48 h of feeding on the third leaves of the primed plant. CONCLUSION Taken together, the findings provide a dynamic overview of how attacked maize reconfigures its volatiles and phytohormones to defend against herbivores, as well as priming of neighboring plants against oncoming attacks. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Caroline Ngichop Foba
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
- Lincoln University, College of Agriculture, Environmental and Human Sciences, Cooperative Extension, 65101, Jefferson City, MO, USA
| | - Jin-Hua Shi
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Qing-Qing An
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Le Liu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Xin-Jun Hu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Mahmoud Ali Morse Soliman Hegab
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
- Department of Entomology, Faculty of Agriculture, Damietta University, Damietta, Damietta El-Gadeeda City, Kafr Saad, Damietta Governorate, 34511, Egypt
| | - Hao Liu
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Pei-Min Zhao
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
| | - Man-Qun Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, 430070, Wuhan, Hubei Province, P. R. China
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Duc NH, Vo HTN, van Doan C, Hamow KÁ, Le KH, Posta K. Volatile organic compounds shape belowground plant-fungi interactions. FRONTIERS IN PLANT SCIENCE 2022; 13:1046685. [PMID: 36561453 PMCID: PMC9763900 DOI: 10.3389/fpls.2022.1046685] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
Volatile organic compounds (VOCs), a bouquet of chemical compounds released by all life forms, play essential roles in trophic interactions. VOCs can facilitate a large number of interactions with different organisms belowground. VOCs-regulated plant-plant or plant-insect interaction both below and aboveground has been reported extensively. Nevertheless, there is little information about the role of VOCs derived from soilborne pathogenic fungi and beneficial fungi, particularly mycorrhizae, in influencing plant performance. In this review, we show how plant VOCs regulate plant-soilborne pathogenic fungi and beneficial fungi (mycorrhizae) interactions. How fungal VOCs mediate plant-soilborne pathogenic and beneficial fungi interactions are presented and the most common methods to collect and analyze belowground volatiles are evaluated. Furthermore, we suggest a promising method for future research on belowground VOCs.
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Affiliation(s)
- Nguyen Hong Duc
- Institute of Genetics and Biotechnology, Department of Microbiology and Applied Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), Godollo, Hungary
| | - Ha T. N. Vo
- Plant Disease Laboratory, Department of Plant Protection, Faculty of Agronomy, Nong Lam University, Ho Chi Minh, Vietnam
| | - Cong van Doan
- Molecular Interaction Ecology, German Centre for Integrative Biodiversity Research (iDIV), Leipzig, Germany
| | - Kamirán Áron Hamow
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Khac Hoang Le
- Plant Disease Laboratory, Department of Plant Protection, Faculty of Agronomy, Nong Lam University, Ho Chi Minh, Vietnam
| | - Katalin Posta
- Institute of Genetics and Biotechnology, Department of Microbiology and Applied Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), Godollo, Hungary
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Brosset A, Blande JD. Volatile-mediated plant-plant interactions: volatile organic compounds as modulators of receiver plant defence, growth, and reproduction. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:511-528. [PMID: 34791168 PMCID: PMC8757495 DOI: 10.1093/jxb/erab487] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 11/04/2021] [Indexed: 05/12/2023]
Abstract
It is firmly established that plants respond to biotic and abiotic stimuli by emitting volatile organic compounds (VOCs). These VOCs provide information on the physiological status of the emitter plant and are available for detection by the whole community. In the context of plant-plant interactions, research has focused mostly on the defence-related responses of receiver plants. However, responses may span hormone signalling and both primary and secondary metabolism, and ultimately affect plant fitness. Here we present a synthesis of plant-plant interactions, focusing on the effects of VOC exposure on receiver plants. An overview of the important chemical cues, the uptake and conversion of VOCs, and the adsorption of VOCs to plant surfaces is presented. This is followed by a review of the substantial VOC-induced changes to receiver plants affecting both primary and secondary metabolism and influencing plant growth and reproduction. Further research should consider whole-plant responses for the effective evaluation of the mechanisms and fitness consequences of exposure of the receiver plant to VOCs.
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Affiliation(s)
- Agnès Brosset
- Department of Environmental and Biological Sciences, University of Eastern Finland, Yliopistonranta 1 E, P.O. Box 1627, Kuopio FIN-70211, Finland
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Sharifi R, Jeon JS, Ryu CM. Belowground plant-microbe communications via volatile compounds. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:463-486. [PMID: 34727189 DOI: 10.1093/jxb/erab465] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
Volatile compounds play important roles in rhizosphere biological communications and interactions. The emission of plant and microbial volatiles is a dynamic phenomenon that is affected by several endogenous and exogenous signals. Diffusion of volatiles can be limited by their adsorption, degradation, and dissolution under specific environmental conditions. Therefore, rhizosphere volatiles need to be investigated on a micro and spatiotemporal scale. Plant and microbial volatiles can expand and specialize the rhizobacterial niche not only by improving the root system architecture such that it serves as a nutrient-rich shelter, but also by inhibiting or promoting the growth, chemotaxis, survival, and robustness of neighboring organisms. Root volatiles play an important role in engineering the belowground microbiome by shaping the microbial community structure and recruiting beneficial microbes. Microbial volatiles are appropriate candidates for improving plant growth and health during environmental challenges and climate change. However, some technical and experimental challenges limit the non-destructive monitoring of volatile emissions in the rhizosphere in real-time. In this review, we attempt to clarify the volatile-mediated intra- and inter-kingdom communications in the rhizosphere, and propose improvements in experimental design for future research.
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Affiliation(s)
- Rouhallah Sharifi
- Department of Plant Protection, College of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
| | - Je-Seung Jeon
- Molecular Phytobacteriology Laboratory, Infectious Disease Research Center, KRIBB, Daejeon 34141, South Korea
| | - Choong-Min Ryu
- Molecular Phytobacteriology Laboratory, Infectious Disease Research Center, KRIBB, Daejeon 34141, South Korea
- Biosystem and Bioengineering Program, University of Science and Technology (UST), Daejeon 34141, South Korea
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Prada F, Stashenko EE, Martínez JR. Volatiles Emission by Crotalaria nitens after Insect Attack. Molecules 2021; 26:6941. [PMID: 34834034 PMCID: PMC8618423 DOI: 10.3390/molecules26226941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/26/2021] [Accepted: 11/12/2021] [Indexed: 01/09/2023] Open
Abstract
Plants are known to increase the emission of volatile organic compounds upon the damage of phytophagous insects. However, very little is known about the composition and temporal dynamics of volatiles released by wild plants of the genus Crotalaria (Fabaceae) attacked with the specialist lepidopteran caterpillar Utetheisa ornatrix (Linnaeus) (Erebidae). In this work, the herbivore-induced plant volatiles (HIPV) emitted by Crotalaria nitens Kunth plants were isolated with solid phase micro-extraction and the conventional purge and trap technique, and their identification was carried out by GC/MS. The poly-dimethylsiloxane/divinylbenzene fiber showed higher affinity for the extraction of apolar compounds (e.g., trans-β-caryophyllene) compared to the Porapak™-Q adsorbent from the purge & trap method that extracted more polar compounds (e.g., trans-nerolidol and indole). The compounds emitted by C. nitens were mainly green leaf volatile substances, terpenoids, aromatics, and aldoximes (isobutyraldoxime and 2-methylbutyraldoxime), whose maximum emission was six hours after the attack. The attack by caterpillars significantly increased the volatile compounds emission in the C. nitens leaves compared to those subjected to mechanical damage. This result indicated that the U. ornatrix caterpillar is responsible for generating a specific response in C. nitens plants. It was demonstrated that HIPVs repelled conspecific moths from attacked plants and favored oviposition in those without damage. The results showed the importance of volatiles in plant-insect interactions, as well as the choice of appropriate extraction and analytical methods for their study.
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Affiliation(s)
- Fausto Prada
- Center for Chromatography and Mass Spectrometry (CROM-MASS), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (F.P.); (J.R.M.)
- Colombia Research Center for Biomolecules (CIBIMOL), Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E. Stashenko
- Center for Chromatography and Mass Spectrometry (CROM-MASS), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (F.P.); (J.R.M.)
- Colombia Research Center for Biomolecules (CIBIMOL), Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Jairo René Martínez
- Center for Chromatography and Mass Spectrometry (CROM-MASS), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (F.P.); (J.R.M.)
- Colombia Research Center for Biomolecules (CIBIMOL), Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Ďurkovič J, Bubeníková T, Gužmerová A, Fleischer P, Kurjak D, Čaňová I, Lukáčik I, Dvořák M, Milenković I. Effects of Phytophthora Inoculations on Photosynthetic Behaviour and Induced Defence Responses of Plant Volatiles in Field-Grown Hybrid Poplar Tolerant to Bark Canker Disease. J Fungi (Basel) 2021; 7:jof7110969. [PMID: 34829256 PMCID: PMC8624009 DOI: 10.3390/jof7110969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/03/2021] [Accepted: 11/09/2021] [Indexed: 01/01/2023] Open
Abstract
Bark cankers accompanied by symptoms of decline and dieback are the result of a destructive disease caused by Phytophthora infections in woody plants. Pathogenicity, gas exchange, chlorophyll a fluorescence, and volatile responses to P. cactorum and P. plurivora inoculations were studied in field-grown 10-year-old hybrid poplar plants. The most stressful effects of P. cactorum on photosynthetic behaviour were found at days 30 and 38 post-inoculation (p.-i.), whereas major disturbances induced by P. plurivora were identified at day 30 p.-i. and also belatedly at day 52 p.-i. The spectrum of volatile organic compounds emitted at day 98 p.-i. was richer than that at day 9 p.-i, and the emissions of both sesquiterpenes α-cubebene and germacrene D were induced solely by the Phytophthora inoculations. Significant positive relationships were found between both the axial and the tangential development of bark cankers and the emissions of α-cubebene and β-caryophyllene, respectively. These results show that both α-cubebene and germacrene D are signal molecules for the suppression of Phytophthora hyphae spread from necrotic sites of the bark to healthy living tissues. Four years following inoculations, for the majority of the inoculated plants, the callus tissue had already closed over the bark cankers.
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Affiliation(s)
- Jaroslav Ďurkovič
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
- Correspondence:
| | - Tatiana Bubeníková
- Faculty of Wood Sciences and Technology, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia;
| | - Adriána Gužmerová
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
| | - Peter Fleischer
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
| | - Daniel Kurjak
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
| | - Ingrid Čaňová
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
| | - Ivan Lukáčik
- Faculty of Forestry, Technical University in Zvolen, T.G. Masaryka 24, 96001 Zvolen, Slovakia; (A.G.); (P.F.); (D.K.); (I.Č.); (I.L.)
| | - Miloň Dvořák
- Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemědělská 3, 61300 Brno, Czech Republic;
| | - Ivan Milenković
- Phytophthora Research Centre, Faculty of Forestry and Wood Technology, Mendel University in Brno, 61300 Brno, Czech Republic;
- The Chair of Forest Protection, Faculty of Forestry, University of Belgrade, Kneza Višeslava 1, 11030 Belgrade, Serbia
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