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Poelman EH, Bourne ME, Croijmans L, Cuny MAC, Delamore Z, Joachim G, Kalisvaart SN, Kamps BBJ, Longuemare M, Suijkerbuijk HAC, Zhang NX. Bringing Fundamental Insights of Induced Resistance to Agricultural Management of Herbivore Pests. J Chem Ecol 2023; 49:218-229. [PMID: 37138167 PMCID: PMC10495479 DOI: 10.1007/s10886-023-01432-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/05/2023]
Abstract
In response to herbivory, most plant species adjust their chemical and morphological phenotype to acquire induced resistance to the attacking herbivore. Induced resistance may be an optimal defence strategy that allows plants to reduce metabolic costs of resistance in the absence of herbivores, allocate resistance to the most valuable plant tissues and tailor its response to the pattern of attack by multiple herbivore species. Moreover, plasticity in resistance decreases the potential that herbivores adapt to specific plant resistance traits and need to deal with a moving target of variable plant quality. Induced resistance additionally allows plants to provide information to other community members to attract natural enemies of its herbivore attacker or inform related neighbouring plants of pending herbivore attack. Despite the clear evolutionary benefits of induced resistance in plants, crop protection strategies to herbivore pests have not exploited the full potential of induced resistance for agriculture. Here, we present evidence that induced resistance offers strong potential to enhance resistance and resilience of crops to (multi-) herbivore attack. Specifically, induced resistance promotes plant plasticity to cope with multiple herbivore species by plasticity in growth and resistance, maximizes biological control by attracting natural enemies and, enhances associational resistance of the plant stand in favour of yield. Induced resistance may be further harnessed by soil quality, microbial communities and associational resistance offered by crop mixtures. In the transition to more sustainable ecology-based cropping systems that have strongly reduced pesticide and fertilizer input, induced resistance may prove to be an invaluable trait in breeding for crop resilience.
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Affiliation(s)
- Erik H Poelman
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands.
| | - Mitchel E Bourne
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Luuk Croijmans
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Maximilien A C Cuny
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Zoë Delamore
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Gabriel Joachim
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Sarah N Kalisvaart
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Bram B J Kamps
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Maxence Longuemare
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Hanneke A C Suijkerbuijk
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
| | - Nina Xiaoning Zhang
- Laboratory of Entomology, Wageningen University, P.O. Box 16, 6700AA, Wageningen, the Netherlands
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Consistent individual variation in plant communication: do plants have personalities? Oecologia 2022; 199:129-137. [DOI: 10.1007/s00442-022-05173-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/19/2022] [Indexed: 11/28/2022]
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Song GC, Jeon J, Choi HK, Sim H, Kim S, Ryu C. Bacterial type III effector-induced plant C8 volatiles elicit antibacterial immunity in heterospecific neighbouring plants via airborne signalling. PLANT, CELL & ENVIRONMENT 2022; 45:236-247. [PMID: 34708407 PMCID: PMC9298316 DOI: 10.1111/pce.14209] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 05/10/2023]
Abstract
Upon sensing attack by pathogens and insect herbivores, plants release complex mixtures of volatile compounds. Here, we show that the infection of lima bean (Phaseolus lunatus L.) plants with the non-host bacterial pathogen Pseudomonas syringae pv. tomato led to the production of microbe-induced plant volatiles (MIPVs). Surprisingly, the bacterial type III secretion system, which injects effector proteins directly into the plant cytosol to subvert host functions, was found to prime both intra- and inter-specific defense responses in neighbouring wild tobacco (Nicotiana benthamiana) plants. Screening of each of 16 effectors using the Pseudomonas fluorescens effector-to-host analyser revealed that an effector, HopP1, was responsible for immune activation in receiver tobacco plants. Further study demonstrated that 1-octen-3-ol, 3-octanone and 3-octanol are novel MIPVs emitted by the lima bean plant in a HopP1-dependent manner. Exposure to synthetic 1-octen-3-ol activated immunity in tobacco plants against a virulent pathogen Pseudomonas syringae pv. tabaci. Our results show for the first time that a bacterial type III effector can trigger the emission of C8 plant volatiles that mediate defense priming via plant-plant interactions. These results provide novel insights into the role of airborne chemicals in bacterial pathogen-induced inter-specific plant-plant interactions.
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Affiliation(s)
- Geun Cheol Song
- Molecular Phytobacteriology LaboratoryInfectious Disease Research Center, KRIBBDaejeonSouth Korea
| | - Je‐Seung Jeon
- Molecular Phytobacteriology LaboratoryInfectious Disease Research Center, KRIBBDaejeonSouth Korea
| | - Hye Kyung Choi
- Molecular Phytobacteriology LaboratoryInfectious Disease Research Center, KRIBBDaejeonSouth Korea
| | - Hee‐Jung Sim
- Environmental Chemistry Research GroupKorea Institute of Toxicology (KIT)JinjuSouth Korea
| | - Sang‐Gyu Kim
- Department of Biological SciencesKorea Advanced Institute of Science and TechnologyDaejeonSouth Korea
| | - Choong‐Min Ryu
- Molecular Phytobacteriology LaboratoryInfectious Disease Research Center, KRIBBDaejeonSouth Korea
- Biosystems and Bioengineering ProgramUniversity of Science and Technology (UST)DaejeonSouth Korea
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Grof-Tisza P, Karban R, Rasheed MU, Saunier A, Blande JD. Risk of herbivory negatively correlates with the diversity of volatile emissions involved in plant communication. Proc Biol Sci 2021; 288:20211790. [PMID: 34702072 PMCID: PMC8548805 DOI: 10.1098/rspb.2021.1790] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 10/06/2021] [Indexed: 11/12/2022] Open
Abstract
Plant-to-plant volatile-mediated communication and subsequent induced resistance to insect herbivores is common. Less clear is the adaptive significance of these interactions; what selective mechanisms favour plant communication and what conditions allow individuals to benefit by both emitting and responding to cues? We explored the predictions of two non-exclusive hypotheses to explain why plants might emit cues, the kin selection hypothesis (KSH) and the mutual benefit hypothesis (MBH). We examined 15 populations of sagebrush that experience a range of naturally occurring herbivory along a 300 km latitudinal transect. As predicted by the KSH, we found several uncommon chemotypes with some chemotypes occurring only within a single population. Consistent with the MBH, chemotypic diversity was negatively correlated with herbivore pressure; sites with higher levels of herbivory were associated with a few common cues broadly recognized by most individuals. These cues varied among different populations. Our results are similar to those reported for anti-predator signalling in vertebrates.
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Affiliation(s)
- Patrick Grof-Tisza
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Kuopio 70211, Finland
| | - Richard Karban
- Department of Entomology and Nematology, University of California, 1 Shields Avenue, Davis, CA 95616, USA
| | - Muhammad Usman Rasheed
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Kuopio 70211, Finland
| | - Amélie Saunier
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Kuopio 70211, Finland
| | - James D. Blande
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Kuopio 70211, Finland
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Hu L, Zhang K, Wu Z, Xu J, Erb M. Plant volatiles as regulators of plant defense and herbivore immunity: molecular mechanisms and unanswered questions. CURRENT OPINION IN INSECT SCIENCE 2021; 44:82-88. [PMID: 33894408 DOI: 10.1016/j.cois.2021.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
Plants release distinct blends of herbivore-induced plant volatiles (HIPVs) upon herbivore attack. HIPVs have long been known to influence the behavior of herbivores and natural enemies. In addition, HIPVs can act as physiological regulators that induce or prime plant defenses. Recent work indicates that the regulatory capacity of HIPVs may extend to herbivore immunity: herbivores that are exposed to HIPVs can become more resistant or susceptible to parasitoids and pathogens. While the mechanisms of HIPV-mediated plant defense regulation are being unraveled, the mechanisms underlying the regulation of herbivore immunity are unclear. Evidence so far suggests a high degree of context dependency. Here, we review the mechanisms by which HIPVs regulate plant defense and herbivore immunity. We address major gaps of knowledge and discuss directions for future mechanistic research to facilitate efforts to use the regulatory capacity of HIPVs for the biological control of insect pests.
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Affiliation(s)
- Lingfei Hu
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China.
| | - Kaidi Zhang
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Zhenwei Wu
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Jianming Xu
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Matthias Erb
- Institute of Plant Sciences, University of Bern, 3013 Bern, Switzerland
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