ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
A Set of Novel Venom Proteins Enables Parasitoid Wasps to Exploit Older Hosts and Coexist with Competitors.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Enhanced biocontrol traits of Pachycrepoideus vindemmiae reared on the alternative host Drosophila virilis.Pest management science · 2026Article
- Review
- A Set of Novel Venom Proteins Enables Parasitoid Wasps to Exploit Older Hosts and Coexist with Competitors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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Authors and funding
12 authors.
Funding
Abstract
Interspecific competition can drive species coexistence through niche differentiation, yet the underlying mechanisms remain unclear. Parasitoid wasps are a group of parasitic insects that rely on host nutrients to complete their development, exhibiting intense interspecific competition. Here, two parasitoid wasps, Asobara japonica and Leptopilina drosophilae are employed, which share the common host Drosophila melanogaster, as a model system to investigate the mechanisms governing species coexistence. A. japonica employs venom-induced host manipulation to exploit older hosts is found, thereby avoiding competition and coexisting with its competitor, L. drosophilae. Through integrated multi-omics and functional studies, a set of DUF4803-domain venom proteins is identified that induce the apoptosis-mediated degradation of host imaginal discs. This process elevates dilp8 expression, causing a delay in host development that is essential for the successful development of A. japonica offspring within older hosts. How gene duplication and the subsequent functional specialization of these DUF4803-domain genes facilitated this mechanism, allowing host resource partitioning through temporal niche differentiation, is further revealed. The study suggests that this adaptive strategy minimizes evolutionary trade-offs and advances the understanding of species coexistence mechanisms.
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