ArticleDie Naturwissenschaften2020
Biosynthetic origin of benzoquinones in the explosive discharge of the bombardier beetle Brachinus elongatulus.
Article in Die Naturwissenschaften, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 18 citations in OpenAlex.
- Microenvironment-Engineered Biocatalytic Metal-Organic Framework Nanomotors for Selective and Transformative Water Decontamination.Nano-micro letters · 2026Article
- The molecular mechanisms of defensive-grade organic acid biosynthesis in ground beetles.Insect molecular biology · 2025Article
- Molecular basis of the explosive defence response in the bombardier beetleRoyal Society open science · 2025Article
- The Arnold Berliner Award 2021 honors research on bombardier beetles.Die Naturwissenschaften · 2021Article
- Pygidial Glands in Carabidae, an Overview of Morphology and Chemical Secretion.Life (Basel, Switzerland) · 2021Review
- Primary Metabolism co-Opted for Defensive Chemical Production in the Carabid Beetle, Harpalus pensylvanicus.Journal of chemical ecology · 2021Article
- HawaiianZooKeys · 2021Article
- Persistence of the ground beetle (Coleoptera: Carabidae) microbiome to diet manipulation.PloS one · 2021Article
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6 authors at 3 institutions in 1 country.
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Abstract
Bombardier beetles are well-known for their remarkable defensive mechanism. Their defensive apparatus consists of two compartments known as the reservoir and the reaction chamber. When challenged, muscles surrounding the reservoir contract sending chemical precursors into the reaction chamber where they mix with enzymes resulting in an explosive discharge of a hot noxious chemical spray containing two major quinones: 1,4-benzoquinone and 2-methyl-1,4-benzoquinone (toluquinone). Previously, it has been speculated that the biosynthesis of all benzoquinones originates from one core precursor, 1,4-hydroquinone. Careful ligation of the base of the reservoir chamber enabled us to prevent the explosive reaction and sample untransformed reservoir fluid, which showed that it accumulates significant quantities of 1,4-hydroquinone and 2-methyl-1,4-hydroquinone. We investigated the biosynthetic mechanisms leading to quinone formation by injecting or feeding Brachinus elongatulus beetles with stable-isotope-labeled precursors. Chemical analysis of defensive secretion samples obtained from 1,4-hydroquinone-d
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