ArticleMicrobiome2024
From phyllosphere to insect cuticles: silkworms gather antifungal bacteria from mulberry leaves to battle fungal parasite attacks.
Article in Microbiome, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 22 citations in OpenAlex.
- Novel Enterobacter strains applied as entomopathogenic insecticides against Plutella xylostella (Lepidoptera: Plutellidae).Pest management science · 2026Article
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- Gut bacteria prime and reinforce mature leaf oviposition preference in beetles via plant mediated feedback.Nature communications · 2026Article
- Synergistic Antimicrobial and Antiviral Efficacy of Chitosan-Silver Nanocomposites Against Major Pathogens ofInsects · 2026Article
- From leaves to aphid honeydew: the zucchini plants enrich bacterium to recruit natural enemy to resist herbivore attacks.NPJ biofilms and microbiomes · 2026Article
- Gut microbiome convergence and functional adaptation underlie the evolution of predation in stink bugs (Heteroptera: Pentatomidae).Microbiome · 2026Article
- Wireworm-Associated Microbial Communities and their Implications on Biological Control.Microbial ecology · 2025Article
- Metagenome-based identification of functional traits of the black soldier fly gut microbiome associated with larval performance.BMC microbiology · 2025Article
- Inhibition of RNase to Attenuate Fungal-Manipulated Rhizosphere Microbiome and Diseases.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Conditional effects ofMicrobiology spectrum · 2025Article
- Towards a Rational Basis for the Selection of Probiotics to Improve Silkworm Health and Performance.Insects · 2025Review
- Gut bacteria of lepidopteran herbivores facilitate digestion of plant toxins.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Engineered fungus containing a caterpillar gene kills insects rapidly by disrupting their ecto- and endo-microbiomes.Communications biology · 2024Article
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBacterial transfers from plants to insect herbivore guts have been well investigated. However, bacterial exchanges between plant phyllospheres and insect cuticles remain unclear, as does their related biological function.
resultsHere, we report that the cuticular bacterial loads of silkworm larvae quickly increased after molting and feeding on the white mulberry (Morus alba) leaves. The isolation and examination of silkworm cuticular bacteria identified one bacterium Mammaliicoccus sciuri that could completely inhibit the spore germination of fungal entomopathogens Metarhizium robertsii and Beauveria bassiana. Interestingly, Ma. sciuri was evident originally from mulberry leaves, which could produce a secreted chitinolytic lysozyme (termed Msp1) to damage fungal cell walls. In consistency, the deletion of Msp1 substantially impaired bacterial antifungal activity. Pretreating silkworm larvae with Ma. sciuri cells followed by fungal topical infections revealed that this bacterium could help defend silkworms against fungal infections. Unsurprisingly, the protective efficacy of ΔMsp1 was considerably reduced when compared with that of wild-type bacterium. Administration of bacterium-treated diets had no negative effect on silkworm development; instead, bacterial supplementation could protect the artificial diet from Aspergillus contamination.
conclusionsThe results of this study evidence that the cross-kingdom transfer of bacteria from plant phyllospheres to insect herbivore cuticles can help protect insects against fungal parasite attacks. Video Abstract.
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