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Benrey B. The effects of plant domestication on the foraging and performance of parasitoids. CURRENT OPINION IN INSECT SCIENCE 2023; 57:101031. [PMID: 37028646 DOI: 10.1016/j.cois.2023.101031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/01/2023] [Accepted: 04/03/2023] [Indexed: 05/04/2023]
Abstract
Domestication-related changes in the chemical traits of crop plants affect parasitoid foraging success, development, and survival. For example, herbivore-induced changes in the production of volatiles by domesticated plants can enhance or reduce parasitoid attraction. While the trade-off between nutrient content and chemical defense in cultivated plants can increase the suitability of hosts for parasitoids, their increased health and size can positively affect their immune response against parasitoids. Overall, plant domestication is expected to significantly affect their relationship with parasitoids due to altered plant morphology, physical characteristics, chemical defenses, and new plant associations. This review highlights the need for research on the effects of plant domestication on host-parasitoid interactions in the interest of better controlling insect pests.
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Affiliation(s)
- Betty Benrey
- Laboratory of Evolutionary Entomology, Institute of Biology, University of Neuchâtel, Rue Emile-Argand 11, 2000 Neuchâtel, Switzerland.
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Greenberg LO, Huigens ME, Groot AT, Cusumano A, Fatouros NE. Finding an egg in a haystack: variation in chemical cue use by egg parasitoids of herbivorous insects. CURRENT OPINION IN INSECT SCIENCE 2023; 55:101002. [PMID: 36535578 DOI: 10.1016/j.cois.2022.101002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Egg parasitoids of herbivorous insects use an interplay of short- and long-range chemical cues emitted by hosts and host plants to find eggs to parasitize. Volatile compounds that attract egg parasitoids can be identified via behavioral assays and used to manipulate parasitoid behavior in the field for biological control of herbivorous pests. However, how and when a particular cue will be used varies over the life of an individual, as well as at and below species level. Future research should expand taxonomic coverage to explore variation in chemical cue use in more natural, dynamic settings. More nuanced understanding of the variability of egg parasitoid host-finding strategies will aid in disentangling the underlying genetics and further enhancing biological control.
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Affiliation(s)
- Liana O Greenberg
- Biosystematics Group, Wageningen University, Wageningen, the Netherlands
| | - Martinus E Huigens
- Education and Student Affairs, Wageningen University, Wageningen, the Netherlands
| | - Astrid T Groot
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, the Netherlands
| | - Antonino Cusumano
- Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy
| | - Nina E Fatouros
- Biosystematics Group, Wageningen University, Wageningen, the Netherlands.
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Hilker M, Salem H, Fatouros NE. Adaptive Plasticity of Insect Eggs in Response to Environmental Challenges. ANNUAL REVIEW OF ENTOMOLOGY 2023; 68:451-469. [PMID: 36266253 DOI: 10.1146/annurev-ento-120120-100746] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Insect eggs are exposed to a plethora of abiotic and biotic threats. Their survival depends on both an innate developmental program and genetically determined protective traits provided by the parents. In addition, there is increasing evidence that (a) parents adjust the egg phenotype to the actual needs, (b) eggs themselves respond to environmental challenges, and (c) egg-associated microbes actively shape the egg phenotype. This review focuses on the phenotypic plasticity of insect eggs and their capability to adjust themselves to their environment. We outline the ways in which the interaction between egg and environment is two-way, with the environment shaping the egg phenotype but also with insect eggs affecting their environment. Specifically, insect eggs affect plant defenses, host biology (in the case of parasitoid eggs), and insect oviposition behavior. We aim to emphasize that the insect egg, although it is a sessile life stage, actively responds to and interacts with its environment.
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Affiliation(s)
- Monika Hilker
- Applied Zoology/Animal Ecology, Institute of Biology, Freie Universität Berlin, Berlin, Germany;
| | - Hassan Salem
- Mutualisms Research Group, Max Planck Institute for Biology, Tübingen, Germany;
| | - Nina E Fatouros
- Biosystematics Group, Wageningen University and Research, Wageningen, The Netherlands;
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Obermeier C, Mason AS, Meiners T, Petschenka G, Rostás M, Will T, Wittkop B, Austel N. Perspectives for integrated insect pest protection in oilseed rape breeding. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:3917-3946. [PMID: 35294574 PMCID: PMC9729155 DOI: 10.1007/s00122-022-04074-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/01/2022] [Indexed: 05/02/2023]
Abstract
In the past, breeding for incorporation of insect pest resistance or tolerance into cultivars for use in integrated pest management schemes in oilseed rape/canola (Brassica napus) production has hardly ever been approached. This has been largely due to the broad availability of insecticides and the complexity of dealing with high-throughput phenotyping of insect performance and plant damage parameters. However, recent changes in the political framework in many countries demand future sustainable crop protection which makes breeding approaches for crop protection as a measure for pest insect control attractive again. At the same time, new camera-based tracking technologies, new knowledge-based genomic technologies and new scientific insights into the ecology of insect-Brassica interactions are becoming available. Here we discuss and prioritise promising breeding strategies and direct and indirect breeding targets, and their time-perspective for future realisation in integrated insect pest protection of oilseed rape. In conclusion, researchers and oilseed rape breeders can nowadays benefit from an array of new technologies which in combination will accelerate the development of improved oilseed rape cultivars with multiple insect pest resistances/tolerances in the near future.
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Affiliation(s)
- Christian Obermeier
- Department of Plant Breeding, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392, Giessen, Germany.
| | - Annaliese S Mason
- Plant Breeding Department, University of Bonn, Katzenburgweg 5, 53115, Bonn, Germany
| | - Torsten Meiners
- Institute for Ecological Chemistry, Plant Analysis and Stored Product Protection, Julius Kühn Institute, Koenigin-Luise-Str. 19, 14195, Berlin, Germany
| | - Georg Petschenka
- Department of Applied Entomology, University of Hohenheim, Otto-Sander-Straße 5, 70599, Stuttgart, Germany
| | - Michael Rostás
- Division of Agricultural Entomology, University of Göttingen, Grisebachstr. 6, 37077, Göttingen, Germany
| | - Torsten Will
- Insitute for Resistance Research and Stress Tolerance, Julius Kühn Insitute, Erwin-Baur-Str. 27, 06484, Quedlinburg, Germany
| | - Benjamin Wittkop
- Department of Plant Breeding, Justus Liebig University, Heinrich-Buff-Ring 26-32, 35392, Giessen, Germany
| | - Nadine Austel
- Institute for Ecological Chemistry, Plant Analysis and Stored Product Protection, Julius Kühn Institute, Koenigin-Luise-Str. 19, 14195, Berlin, Germany
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