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June 28, 2026Microbial EcologyOpen Access

Rare Taxa and Stochastic Drift Drive the Microbiome Assembly of the Invasive Pest Drosophila suzukii, While Host Filtering Structures the Grape Sour Rot Community

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Authors

RBRishi BhandariZWZoe WillsJHJackie Harris

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Overview

Randomized trial investigates microbial community structure in invasive Drosophila and sour rot grapes, suggesting host filtering and stochastic drift influence assembly.

Key Points

  • This research aims to understand the factors shaping microbial community structure in Drosophila suzukii and sour rot-affected grapes.
  • Characterized bacterial and fungal communities using high-throughput sequencing in seven California vineyards.
  • Analyzed the microbial density and diversity in Drosophila suzukii compared to sour rot-affected grapes.
  • Conducted ecological modeling to determine assembly mechanisms influencing community structure.
  • Drosophila suzukii exhibited higher microbial density and diversity than sour rot-affected grapes.
  • Assembly mechanisms were mostly stochastic in Drosophila while a mix of stochastic and deterministic factors shaped grape communities.
  • Rare and intermediate abundance taxa were key in driving dysbiosis during rot development.

Cite This Study

Bhandari et al. (2026) studied this question.

synapsesocial.com/papers/6a40b99561bb0a67205c5c3chttps://doi.org/10.1007/s00248-026-02819-x
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Microbiome composition and co-occurrence dynamics in wild 2025 · 8 citations
  2. 2How Drosophila suzukii Acquires and Interacts with Its Microbiome Across Ecological Contexts2026
  3. 3Revisiting sour rot of grapevine through disease-associated microbiomes: a tripartite co-infection?2024
  4. 4Stochastic processes drive divergence of bacterial and fungal communities in sympatric wild insect species despite sharing a common diet2024 · 5 citations
  5. 5Microbiome composition of Drosophila suzukii varies across geographical regions2025 · 5 citations