ArticleScientific reports2020
Entomopathogenic nematodes from Mexico that can overcome the resistance mechanisms of the western corn rootworm.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 40 citations in OpenAlex.
- Genetic architecture of resistance to plant secondary metabolites in Photorhabdus entomopathogenic bacteria.BMC genomics · 2025Article
- Description of Heterorhabditis americana n. sp. (Rhabditida, Heterorhabditidae), a new entomopathogenic nematode species isolated in North America.Parasites & vectors · 2025Article
- Systematics and phylogeny of the entomopathogenic nematobacterial complexes Steinernema-Xenorhabdus and Heterorhabditis-Photorhabdus.Zoological letters · 2024Review
- Sequestration of cucurbitacins from cucumber plants byJournal of pest science · 2023Article
- Comparative Screening of Mexican, Rwandan and Commercial Entomopathogenic Nematodes to Be Used against Invasive Fall Armyworm,Insects · 2022Article
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- Ecology and Evolutionary History ofInsects · 2022Review
- Potential of Oscheius tipulae nematodes as biological control agents against Ceratitis capitata.PloS one · 2022Article
- Parasites rather than phoronts:Ecology and evolution · 2021Article
- Non-lethal effects of entomopathogenic nematode infection.Scientific reports · 2021Article
- Western Corn Rootworm, Plant and Microbe Interactions: A Review and Prospects for New Management Tools.Insects · 2021Review
- First record of entomopathogenic nematodes from Yucatán State, México and their infectivity capacity againstPeerJ · 2021Article
- Intraspecific virulence of entomopathogenic nematodes against the pestsJournal of nematology · 2021Article
- Evaluation of indigenous entomopathogenic nematodes in Southwest China as potential biocontrol agents againstJournal of nematology · 2021Article
- Multi-locus phylogenetic analyses uncover species boundaries and reveal the occurrence of two new entomopathogenic nematode species,Journal of nematology · 2021Article
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Authors and funding
11 authors at 5 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Natural enemies of herbivores are expected to adapt to the defence strategies of their preys or hosts. Such adaptations may also include their capacity to cope with plant metabolites that herbivores sequester as a defence. In this study, we evaluated the ability of Mexican entomopathogenic nematodes (EPN) to resist benzoxazinoids that are sequestered from maize roots by the western corn rootworm (WCR, Diabrotica virgifera virgifera; Coleoptera: Chrysomelidae), an important maize pest in America and Europe. From maize fields throughout Mexico, we retrieved 40 EPN isolates belonging to five different species, with a majority identified as Heterorhabditis bacteriophora. In the laboratory, all nematodes readily infected non-sequestering larvae of the banded cucumber beetle (D. balteata), while infectivity varied strongly for WCR larvae. While some H. bacteriophora isolates seemed negatively affected by benzoxazinoids, most showed to be resistant. Thus, EPN from Mexican maize fields can cope with these plant defence metabolites, but the results also indicate that WCR larvae possess other mechanisms that help to resist EPN. This work contributes to a better understanding of the capacity of herbivore natural enemies to resist plant defence metabolites. Furthermore, it identifies several benzoxazinoid-resistant EPN isolates that may be used to control this important maize pest.
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