ArticleJournal of experimental botany2015
Additive effects of two quantitative trait loci that confer Rhopalosiphum maidis (corn leaf aphid) resistance in maize inbred line Mo17.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 90 citations in OpenAlex.
- Unravelling the Genetic Basis of Insect Resistance in Maize: Progress and Future Challenges.Plants (Basel, Switzerland) · 2026Review
- Dual role of benzoxazinoids in plant response to combined drought stress and aphid feeding.Plant biology (Stuttgart, Germany) · 2026Article
- Decades' progress and prospects on maize functional genomics and molecular breeding.Science China. Life sciences · 2025Review
- Genome-Wide Association Study and RNA-Seq Elucidate the Genetic Mechanisms Behind Aphid (Plants (Basel, Switzerland) · 2025Article
- Review
- Loss-of-function of LIGULELESS1 activates the jasmonate pathway and promotes maize resistance to corn leaf aphids.Plant biotechnology journal · 2024Article
- Benzoxazinoids Biosynthetic Gene Cluster Identification and Expression Analysis in Maize under Biotic and Abiotic Stresses.International journal of molecular sciences · 2024Article
- Comparative Transcriptome Analysis Reveals the Molecular Basis ofPlants (Basel, Switzerland) · 2023Article
- Genetic Variation, DIMBOA Accumulation, and Candidate Gene Identification in Maize Multiple Insect-Resistance.International journal of molecular sciences · 2023Article
- Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Review
- The transcription factor TaMYB31 regulates the benzoxazinoid biosynthetic pathway in wheat.Journal of experimental botany · 2022Article
- Review
- Spatial and Temporal Distribution of Leafhoppers (Hemiptera: Cicadellidae) in a Corn Field.Neotropical entomology · 2021Article
- Specific and conserved patterns of microbiota-structuring by maize benzoxazinoids in the field.Microbiome · 2021Article
- The Effectiveness of Physical and Chemical Defense Responses of Wild Emmer Wheat Against Aphids Depends on Leaf Position and Genotype.Frontiers in plant science · 2021Article
- Differential Defense Responses of Upland and Lowland Switchgrass Cultivars to a Cereal Aphid Pest.International journal of molecular sciences · 2020Article
- Article
- The price of protection: a defensive endosymbiont impairs nymph growth in the bird cherry-oat aphid, Rhopalosiphum padi.Insect science · 2020Article
- Comparative transcriptomic and metabolic analysis of wild and domesticated wheat genotypes reveals differences in chemical and physical defense responses against aphids.BMC plant biology · 2020Article
- Mapping Regulatory Determinants in Plants.Frontiers in genetics · 2020Review
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants show considerable within-species variation in their resistance to insect herbivores. In the case of Zea mays (cultivated maize), Rhopalosiphum maidis (corn leaf aphids) produce approximately twenty times more progeny on inbred line B73 than on inbred line Mo17. Genetic mapping of this difference in maize aphid resistance identified quantitative trait loci (QTL) on chromosomes 4 and 6, with the Mo17 allele reducing aphid reproduction in each case. The chromosome 4 QTL mapping interval includes several genes involved in the biosynthesis of DIMBOA (2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one), a maize defensive metabolite that also is required for callose accumulation in response to aphid feeding. Consistent with the known association of callose with plant defence against aphids, R. maidis reproduction on B73×Mo17 recombinant inbred lines was negatively correlated with both DIMBOA content and callose formation. Further genetic mapping, as well as experiments with near-isogenic lines, confirmed that the Mo17 allele causes increased DIMBOA accumulation relative to the B73 allele. The chromosome 6 aphid resistance QTL functions independently of DIMBOA accumulation and has an effect that is additive to that of the chromosome 4 QTL. Thus, at least two separate defence mechanisms account for the higher level of R. maidis resistance in Mo17 compared with B73.
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